diff --git a/bin/sbang b/bin/sbang
index 4ff6b1b327846304bd50c959b0cdefe58671266e..b3d74ef48f72c15ea8eb4c93e6c49de66c788d20 100755
--- a/bin/sbang
+++ b/bin/sbang
@@ -1,28 +1,10 @@
 #!/bin/bash
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # `sbang`: Run scripts with long shebang lines.
 #
diff --git a/bin/spack b/bin/spack
index 22a7032daabc2a942826b735c907ea58046b3d81..c62871d6a6750d77ddcd30fdad0857db974db7a7 100755
--- a/bin/spack
+++ b/bin/spack
@@ -1,28 +1,10 @@
 #!/usr/bin/env python
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import os
diff --git a/bin/spack-python b/bin/spack-python
index 4f6ae94904052e088d1f47c0ffcc8008f6396de6..e4487e3464b7dbb69dceb28635b29eca780f6965 100755
--- a/bin/spack-python
+++ b/bin/spack-python
@@ -1,28 +1,10 @@
 #!/bin/sh
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # spack-python
 #
diff --git a/lib/spack/docs/basic_usage.rst b/lib/spack/docs/basic_usage.rst
index d61ca699ada0e80c18f447ace350a157ed1bed99..7eda320029183130773d1bbe11d768fcd26d4139 100644
--- a/lib/spack/docs/basic_usage.rst
+++ b/lib/spack/docs/basic_usage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _basic-usage:
 
 ===========
diff --git a/lib/spack/docs/binary_caches.rst b/lib/spack/docs/binary_caches.rst
index c7eed69a6e16cce835adff5f268fc230c86b6389..844d7c194dc7786064e7f076c6d53576acc11513 100644
--- a/lib/spack/docs/binary_caches.rst
+++ b/lib/spack/docs/binary_caches.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _binary_caches:
 
 ============
diff --git a/lib/spack/docs/build_settings.rst b/lib/spack/docs/build_settings.rst
index e46d52cc52277c965f98fba094d96b51e7d5293f..07e4ab13b8f997a255d1a06b1c4260b863ebcf45 100644
--- a/lib/spack/docs/build_settings.rst
+++ b/lib/spack/docs/build_settings.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _build-settings:
 
 ======================================
diff --git a/lib/spack/docs/build_systems.rst b/lib/spack/docs/build_systems.rst
index b84c9fe45030e6d205a4c8cefc605db535467727..eb8d3f6ab2bc9d8a7e7b0ab3828b785186dc6629 100644
--- a/lib/spack/docs/build_systems.rst
+++ b/lib/spack/docs/build_systems.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 .. _build-systems:
 
diff --git a/lib/spack/docs/build_systems/autotoolspackage.rst b/lib/spack/docs/build_systems/autotoolspackage.rst
index 21d722664f32c4f7fe31e3317234fb1ad6a39f6b..ce22fd832bdc4d154b39afebfc176d089cd874a6 100644
--- a/lib/spack/docs/build_systems/autotoolspackage.rst
+++ b/lib/spack/docs/build_systems/autotoolspackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _autotoolspackage:
 
 ----------------
diff --git a/lib/spack/docs/build_systems/cmakepackage.rst b/lib/spack/docs/build_systems/cmakepackage.rst
index 763d368ca42d6e0908706a467b1a38ad92cde90b..b627ddb84be202e7844f5cdeff8779539af11169 100644
--- a/lib/spack/docs/build_systems/cmakepackage.rst
+++ b/lib/spack/docs/build_systems/cmakepackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _cmakepackage:
 
 ------------
diff --git a/lib/spack/docs/build_systems/cudapackage.rst b/lib/spack/docs/build_systems/cudapackage.rst
index 42ed61e33f4b7c8b80cb141e30090732c00d9d8d..1eed57e669d1d192be155e7e2e65e1c82ba48b4f 100644
--- a/lib/spack/docs/build_systems/cudapackage.rst
+++ b/lib/spack/docs/build_systems/cudapackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _cudapackage:
 
 -----------
diff --git a/lib/spack/docs/build_systems/custompackage.rst b/lib/spack/docs/build_systems/custompackage.rst
index 092310058ed030450f22853bce0c5a644affc04e..d02c9c1a0a50aa168c5d0baf34552a1c211ab467 100644
--- a/lib/spack/docs/build_systems/custompackage.rst
+++ b/lib/spack/docs/build_systems/custompackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _custompackage:
 
 --------------------
diff --git a/lib/spack/docs/build_systems/intelpackage.rst b/lib/spack/docs/build_systems/intelpackage.rst
index c03bbc30e031763948dcbe0d116846fafe02c736..6a1be0519b3f4d6896d486613e6f11703ef90907 100644
--- a/lib/spack/docs/build_systems/intelpackage.rst
+++ b/lib/spack/docs/build_systems/intelpackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _intelpackage:
 
 ------------
diff --git a/lib/spack/docs/build_systems/makefilepackage.rst b/lib/spack/docs/build_systems/makefilepackage.rst
index 8a0cd04dcdf75aecd9fa9ac90f48fbece110250c..dbb8686cc351c9bc459029eaee363ca2326c5373 100644
--- a/lib/spack/docs/build_systems/makefilepackage.rst
+++ b/lib/spack/docs/build_systems/makefilepackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _makefilepackage:
 
 ---------------
diff --git a/lib/spack/docs/build_systems/mesonpackage.rst b/lib/spack/docs/build_systems/mesonpackage.rst
index a3379d7772a2ddfa61d3adfd428edb86971b2efc..4b30ac5df0c443c0e8ec0cb7c0f44ef0522216cb 100644
--- a/lib/spack/docs/build_systems/mesonpackage.rst
+++ b/lib/spack/docs/build_systems/mesonpackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _mesonpackage:
 
 ------------
diff --git a/lib/spack/docs/build_systems/octavepackage.rst b/lib/spack/docs/build_systems/octavepackage.rst
index 4262f621aba85074b38acbed5ac5e99e87830a93..f63089406c0924a8a18d89a36da599622ea0cc09 100644
--- a/lib/spack/docs/build_systems/octavepackage.rst
+++ b/lib/spack/docs/build_systems/octavepackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _octavepackage:
 
 -------------
diff --git a/lib/spack/docs/build_systems/perlpackage.rst b/lib/spack/docs/build_systems/perlpackage.rst
index c2a8543251cd6440c28fe6d99f30739df58b0dbe..3f36a4eb2fd331eb1cdf72af87fb0fbf56adffd3 100644
--- a/lib/spack/docs/build_systems/perlpackage.rst
+++ b/lib/spack/docs/build_systems/perlpackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _perlpackage:
 
 -----------
diff --git a/lib/spack/docs/build_systems/pythonpackage.rst b/lib/spack/docs/build_systems/pythonpackage.rst
index 4b916e2c4ad7df5aee956f87edcf70d2a03105f0..61aef00c50782d1a80841504d26dcbcea7f3d9c5 100644
--- a/lib/spack/docs/build_systems/pythonpackage.rst
+++ b/lib/spack/docs/build_systems/pythonpackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _pythonpackage:
 
 -------------
diff --git a/lib/spack/docs/build_systems/qmakepackage.rst b/lib/spack/docs/build_systems/qmakepackage.rst
index 98f908bdb7b20ea51ef8822d64a1272ae6625734..f54b80f8d3a78c3b658d3c9b857524d704459563 100644
--- a/lib/spack/docs/build_systems/qmakepackage.rst
+++ b/lib/spack/docs/build_systems/qmakepackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _qmakepackage:
 
 ------------
diff --git a/lib/spack/docs/build_systems/rpackage.rst b/lib/spack/docs/build_systems/rpackage.rst
index 170bc6ffdfd8f76782d83a5133027069ff327efb..5e44b2135e9ead77fbb00c82cb2db71bf1724226 100644
--- a/lib/spack/docs/build_systems/rpackage.rst
+++ b/lib/spack/docs/build_systems/rpackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _rpackage:
 
 --------
diff --git a/lib/spack/docs/build_systems/rubypackage.rst b/lib/spack/docs/build_systems/rubypackage.rst
index 06a6927914680b44375539bfe8231900413ed601..70e23f6d50c25a066b05a3481bf15d6685d74beb 100644
--- a/lib/spack/docs/build_systems/rubypackage.rst
+++ b/lib/spack/docs/build_systems/rubypackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _rubypackage:
 
 -----------
diff --git a/lib/spack/docs/build_systems/sconspackage.rst b/lib/spack/docs/build_systems/sconspackage.rst
index 6be41ee0d8ae027ed67d78d0c7354a3e3666dd54..d87702b9dc7c725ec58ee9f9d4e5387dea91e849 100644
--- a/lib/spack/docs/build_systems/sconspackage.rst
+++ b/lib/spack/docs/build_systems/sconspackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _sconspackage:
 
 ------------
diff --git a/lib/spack/docs/build_systems/wafpackage.rst b/lib/spack/docs/build_systems/wafpackage.rst
index 3c65d4d39f14d3a1ad1d495b005dbccada6d7338..10a458f59ee33f503c166c79934cfebe0553bd84 100644
--- a/lib/spack/docs/build_systems/wafpackage.rst
+++ b/lib/spack/docs/build_systems/wafpackage.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _wafpackage:
 
 ----------
diff --git a/lib/spack/docs/conf.py b/lib/spack/docs/conf.py
index 97b46970bd0e7ed9c3c27a41441f4e9f363090c0..5212b4cc30193050b9ad7e50c5c48992d531fefe 100644
--- a/lib/spack/docs/conf.py
+++ b/lib/spack/docs/conf.py
@@ -1,28 +1,9 @@
-# flake8: noqa
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+# flake8: noqa
 # -*- coding: utf-8 -*-
 #
 # Spack documentation build configuration file, created by
diff --git a/lib/spack/docs/config_yaml.rst b/lib/spack/docs/config_yaml.rst
index 1db56792780a788a927bd88feb5aea307105e81c..24921efee1191dcb5a25e194e2103f1a0380c3ad 100644
--- a/lib/spack/docs/config_yaml.rst
+++ b/lib/spack/docs/config_yaml.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _config-yaml:
 
 ====================================
diff --git a/lib/spack/docs/configuration.rst b/lib/spack/docs/configuration.rst
index 6d3744f78c190262c34af80278321cab366495a5..af4fd2d5a8ca30e6d2abdcf62b14d5782c4a17ab 100644
--- a/lib/spack/docs/configuration.rst
+++ b/lib/spack/docs/configuration.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _configuration:
 
 ==============================
diff --git a/lib/spack/docs/contribution_guide.rst b/lib/spack/docs/contribution_guide.rst
index 542ba385194fcafd1ab8bb59aac20b7dd11318af..11b826da13350b2b692c769167181137d01b0131 100644
--- a/lib/spack/docs/contribution_guide.rst
+++ b/lib/spack/docs/contribution_guide.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _contribution-guide:
 
 ==================
diff --git a/lib/spack/docs/developer_guide.rst b/lib/spack/docs/developer_guide.rst
index 046de145d0ae22cb2727430a4d1ac2dd5d02e67a..926d2a360de9c70e140d159b139fab5742e396f6 100644
--- a/lib/spack/docs/developer_guide.rst
+++ b/lib/spack/docs/developer_guide.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _developer_guide:
 
 ===============
diff --git a/lib/spack/docs/docker_for_developers.rst b/lib/spack/docs/docker_for_developers.rst
index cb08b7503ea4ea5769573b14f030b93a63956086..70d5183011856374abdc3dab02302a619a7aa230 100644
--- a/lib/spack/docs/docker_for_developers.rst
+++ b/lib/spack/docs/docker_for_developers.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _docker_for_developers:
 
 =====================
diff --git a/lib/spack/docs/features.rst b/lib/spack/docs/features.rst
index 8d7c1ec0cdfd867a1babf372976bd1261c140540..dce20d51d698305dc8e4f947c21f54ed7bb9fd1c 100644
--- a/lib/spack/docs/features.rst
+++ b/lib/spack/docs/features.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ================
 Feature Overview
 ================
@@ -126,7 +131,7 @@ It doesn't take much python coding to get from there to a working
 package:
 
 .. literalinclude:: ../../../var/spack/repos/builtin/packages/libelf/package.py
-   :lines: 25-
+   :lines: 6-
 
 Spack also provides wrapper functions around common commands like
 ``configure``, ``make``, and ``cmake`` to make writing packages
diff --git a/lib/spack/docs/getting_started.rst b/lib/spack/docs/getting_started.rst
index 7fb1ad648cc2533ba313da055a0004c72a90c47d..8fd0840e350901d08818302e97b84e7b24b08393 100644
--- a/lib/spack/docs/getting_started.rst
+++ b/lib/spack/docs/getting_started.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _getting_started:
 
 ===============
diff --git a/lib/spack/docs/index.rst b/lib/spack/docs/index.rst
index 16dc69de4d1e1dcd3284633372ff076b0042d345..c2d8a28b89cf3cc6d07a4bbdc27165690c4c8fce 100644
--- a/lib/spack/docs/index.rst
+++ b/lib/spack/docs/index.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. Spack documentation master file, created by
    sphinx-quickstart on Mon Dec  9 15:32:41 2013.
    You can adapt this file completely to your liking, but it should at least
diff --git a/lib/spack/docs/known_issues.rst b/lib/spack/docs/known_issues.rst
index fff2cd8d08602bbbdb244e969a65196363ae51e2..9e64cd63b4c9e70daad4fe08c0d6326dbd8f236a 100644
--- a/lib/spack/docs/known_issues.rst
+++ b/lib/spack/docs/known_issues.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ============
 Known Issues
 ============
diff --git a/lib/spack/docs/mirrors.rst b/lib/spack/docs/mirrors.rst
index 02bec812586fabde94da90dade02970f4ff63113..d273e330d0466338a8034002996dbaf9ed5f94ef 100644
--- a/lib/spack/docs/mirrors.rst
+++ b/lib/spack/docs/mirrors.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _mirrors:
 
 =======
diff --git a/lib/spack/docs/module_file_support.rst b/lib/spack/docs/module_file_support.rst
index e699f4244a17f97afa8347da624fb59e54ecd9ab..37dd03547f3c822a687f41cc382afbc5b730c4da 100644
--- a/lib/spack/docs/module_file_support.rst
+++ b/lib/spack/docs/module_file_support.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _modules:
 
 =======
diff --git a/lib/spack/docs/package_list.rst b/lib/spack/docs/package_list.rst
index 2deb5bfc0fcfc77d4e79d03c739ca479a960906f..f112525d52766d4ea6f881fe4512c6994aa19f52 100644
--- a/lib/spack/docs/package_list.rst
+++ b/lib/spack/docs/package_list.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _package-list:
 
 ============
diff --git a/lib/spack/docs/packaging_guide.rst b/lib/spack/docs/packaging_guide.rst
index a9c8c137104d36f3a12092e23a50a535a4ee77c7..647c38b6ec65b64b0b4755d51f481241825c4e80 100644
--- a/lib/spack/docs/packaging_guide.rst
+++ b/lib/spack/docs/packaging_guide.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _packaging-guide:
 
 ===============
diff --git a/lib/spack/docs/repositories.rst b/lib/spack/docs/repositories.rst
index 0502fa36f9670d16588b8dadaa5ff4ac8ccc76f4..699fe4a7edc638e95b63a49bf19156b5140c5d5f 100644
--- a/lib/spack/docs/repositories.rst
+++ b/lib/spack/docs/repositories.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _repositories:
 
 =============================
diff --git a/lib/spack/docs/tutorial.rst b/lib/spack/docs/tutorial.rst
index 3a448977a26825fb59b4eea2f0d4d5dc1ede80bb..c3ddf98cfb1a25a627c4900f80813b8f9d86f120 100644
--- a/lib/spack/docs/tutorial.rst
+++ b/lib/spack/docs/tutorial.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _spack-101:
 
 =============================
diff --git a/lib/spack/docs/tutorial/examples/0.package.py b/lib/spack/docs/tutorial/examples/0.package.py
index 147492127d366c50a8d1ee568fb934d59e69954f..cdc8f6a6e476eeda65856529a86570d9c1bdc669 100644
--- a/lib/spack/docs/tutorial/examples/0.package.py
+++ b/lib/spack/docs/tutorial/examples/0.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # This is a template package file for Spack.  We've put "FIXME"
 # next to all the things you'll want to change. Once you've handled
diff --git a/lib/spack/docs/tutorial/examples/1.package.py b/lib/spack/docs/tutorial/examples/1.package.py
index 9b7466b4ff76b2cc20a89846e58f0b803bd7a858..a6af7ed3e48addce0cbe9e5262c8d30ef9e91df4 100644
--- a/lib/spack/docs/tutorial/examples/1.package.py
+++ b/lib/spack/docs/tutorial/examples/1.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/2.package.py b/lib/spack/docs/tutorial/examples/2.package.py
index bb16f5b82ffcee1c226499bd16f46586828bd476..c2687a95cdb675bd605eb2fa0684b3f9efeb17b9 100644
--- a/lib/spack/docs/tutorial/examples/2.package.py
+++ b/lib/spack/docs/tutorial/examples/2.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/3.package.py b/lib/spack/docs/tutorial/examples/3.package.py
index 71a42cd54c20893d24912d58a98b505aed1ea7fc..1a9d76f050a4972bbbe5ee72f8f6efbcc64902ba 100644
--- a/lib/spack/docs/tutorial/examples/3.package.py
+++ b/lib/spack/docs/tutorial/examples/3.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/4.package.py b/lib/spack/docs/tutorial/examples/4.package.py
index c1167c61f655e40115bace37a4c45303e506eb99..c90c14b836b4b7db9f4009d7bd03d648aa885be5 100644
--- a/lib/spack/docs/tutorial/examples/4.package.py
+++ b/lib/spack/docs/tutorial/examples/4.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/5.package.py b/lib/spack/docs/tutorial/examples/5.package.py
index 1147d87753a6f72abdf46facc3f02939bbe18f8a..18cb846d349ffd98fea6905c60e7f431f08cae51 100644
--- a/lib/spack/docs/tutorial/examples/5.package.py
+++ b/lib/spack/docs/tutorial/examples/5.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Autotools/0.package.py b/lib/spack/docs/tutorial/examples/Autotools/0.package.py
index 566ec5293f66d667241da3889c429a6bf8951704..b9d2f2ca432d4754d69e283ffbe7ca74c5361ef4 100644
--- a/lib/spack/docs/tutorial/examples/Autotools/0.package.py
+++ b/lib/spack/docs/tutorial/examples/Autotools/0.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Autotools/1.package.py b/lib/spack/docs/tutorial/examples/Autotools/1.package.py
index 69542c434ffe8599a7918579d716fba2ae2e8aa1..cebe14f91bf9abdc019ef098b24291f0b695aaf1 100644
--- a/lib/spack/docs/tutorial/examples/Autotools/1.package.py
+++ b/lib/spack/docs/tutorial/examples/Autotools/1.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Cmake/0.package.py b/lib/spack/docs/tutorial/examples/Cmake/0.package.py
index 529405ab15367bfc3265006939f1047ca47ab575..2cdf06fd690b4fad773690c92e719f33b250f76a 100644
--- a/lib/spack/docs/tutorial/examples/Cmake/0.package.py
+++ b/lib/spack/docs/tutorial/examples/Cmake/0.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # This is a template package file for Spack.  We've put "FIXME"
 # next to all the things you'll want to change. Once you've handled
diff --git a/lib/spack/docs/tutorial/examples/Cmake/1.package.py b/lib/spack/docs/tutorial/examples/Cmake/1.package.py
index 8f11003015a96b51bd929227da974314e9e2a79b..4b8c35b5a3a3435b698720235e1a2086ffda23b9 100644
--- a/lib/spack/docs/tutorial/examples/Cmake/1.package.py
+++ b/lib/spack/docs/tutorial/examples/Cmake/1.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Cmake/2.package.py b/lib/spack/docs/tutorial/examples/Cmake/2.package.py
index d2fc1e670ccc2c4b7c53211a7a42c924f6af4d9c..2fbff1ce0892ab6963dae90e4786b10a2b19b42e 100644
--- a/lib/spack/docs/tutorial/examples/Cmake/2.package.py
+++ b/lib/spack/docs/tutorial/examples/Cmake/2.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Makefile/0.package.py b/lib/spack/docs/tutorial/examples/Makefile/0.package.py
index d1b5be0c47b20cb4277ff0208c308436918d2f54..c6be060420bd1bd4035c5ce69ac6c0181ae3f5b8 100644
--- a/lib/spack/docs/tutorial/examples/Makefile/0.package.py
+++ b/lib/spack/docs/tutorial/examples/Makefile/0.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Makefile/1.package.py b/lib/spack/docs/tutorial/examples/Makefile/1.package.py
index cf1cdc8b50206758cf9469520d3fc9ce59d87e46..184a8a137aa0183a1df812f821f03de0fdacbf20 100644
--- a/lib/spack/docs/tutorial/examples/Makefile/1.package.py
+++ b/lib/spack/docs/tutorial/examples/Makefile/1.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Makefile/2.package.py b/lib/spack/docs/tutorial/examples/Makefile/2.package.py
index 4405eea22bdcff7e7c3a1d50290a22e872d0e159..fda0d8aae6a279d4c6f2896bcda321696bfd5ff0 100644
--- a/lib/spack/docs/tutorial/examples/Makefile/2.package.py
+++ b/lib/spack/docs/tutorial/examples/Makefile/2.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/Makefile/3.package.py b/lib/spack/docs/tutorial/examples/Makefile/3.package.py
index 2f3222f84dbeeb6db7b61cad162e25a9affe8859..a992d03388431010460086df2fe73a925830ae92 100644
--- a/lib/spack/docs/tutorial/examples/Makefile/3.package.py
+++ b/lib/spack/docs/tutorial/examples/Makefile/3.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial/examples/PyPackage/0.package.py b/lib/spack/docs/tutorial/examples/PyPackage/0.package.py
index fc99418da717b367336e9ae6a8fd2fe5fe5f6ba8..e06546ae9ad6be181eda2778a1fac97bf85ac687 100644
--- a/lib/spack/docs/tutorial/examples/PyPackage/0.package.py
+++ b/lib/spack/docs/tutorial/examples/PyPackage/0.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # This is a template package file for Spack.  We've put "FIXME"
 # next to all the things you'll want to change. Once you've handled
diff --git a/lib/spack/docs/tutorial/examples/PyPackage/1.package.py b/lib/spack/docs/tutorial/examples/PyPackage/1.package.py
index d22fe6f044898596cedb9132ef3a3b2a1cc8f0ff..40402a824e77e3e58bc7b267aacf5307b7e6d84e 100644
--- a/lib/spack/docs/tutorial/examples/PyPackage/1.package.py
+++ b/lib/spack/docs/tutorial/examples/PyPackage/1.package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/lib/spack/docs/tutorial_advanced_packaging.rst b/lib/spack/docs/tutorial_advanced_packaging.rst
index 4d075889d8be794cdf0461257fc920f9b9aa4fea..f72f483fcbd48abc1f85868b9789684838fea92c 100644
--- a/lib/spack/docs/tutorial_advanced_packaging.rst
+++ b/lib/spack/docs/tutorial_advanced_packaging.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _advanced-packaging-tutorial:
 
 ============================
diff --git a/lib/spack/docs/tutorial_basics.rst b/lib/spack/docs/tutorial_basics.rst
index 2fdb170482e2ea46298a1135d6d8a69aa35f85b6..d0ca3a4eba9c2b4ab5601897aca79f5c20278f1c 100644
--- a/lib/spack/docs/tutorial_basics.rst
+++ b/lib/spack/docs/tutorial_basics.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _basics-tutorial:
 
 =========================================
diff --git a/lib/spack/docs/tutorial_buildsystems.rst b/lib/spack/docs/tutorial_buildsystems.rst
index d92db1306264cc1fb2119cb2aac1f67b833ead5d..603477d29617902ed45ae9c7420e9187702acf58 100644
--- a/lib/spack/docs/tutorial_buildsystems.rst
+++ b/lib/spack/docs/tutorial_buildsystems.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _build-systems-tutorial:
 
 ==============================
@@ -105,8 +110,8 @@ This will open the :code:`AutotoolsPackage` file in your text editor.
 
 .. literalinclude:: ../../../lib/spack/spack/build_systems/autotools.py
     :language: python
-    :emphasize-lines: 42,45,62
-    :lines: 40-95,259-267
+    :emphasize-lines: 23,26,44
+    :lines: 30-76,240-248
     :linenos:
 
 
@@ -151,7 +156,7 @@ build system. Although this package is acceptable let's make this into an
 
 .. literalinclude:: tutorial/examples/Autotools/0.package.py
    :language: python
-   :emphasize-lines: 28
+   :emphasize-lines: 9
    :linenos:
 
 We first inherit from the :code:`AutotoolsPackage` class.
@@ -163,7 +168,7 @@ to be overridden is :code:`configure_args()`.
 
 .. literalinclude:: tutorial/examples/Autotools/1.package.py
    :language: python
-   :emphasize-lines: 42,43
+   :emphasize-lines: 23,24
    :linenos:
 
 Since Spack takes care of setting the prefix for us we can exclude that as
@@ -204,7 +209,7 @@ Take note of the following:
 
 .. literalinclude:: ../../../lib/spack/spack/build_systems/makefile.py
    :language: python
-   :lines: 33-79,89-107
+   :lines: 14-60,70-88
    :emphasize-lines: 48,54,61
    :linenos:
 
@@ -247,7 +252,7 @@ Let's add in the rest of our details for our package:
 
 .. literalinclude:: tutorial/examples/Makefile/1.package.py
    :language: python
-   :emphasize-lines: 29,30,32,33,37,39
+   :emphasize-lines: 10,11,13,14,18,20
    :linenos:
 
 As we mentioned earlier, most packages using a :code:`Makefile` have hard-coded
@@ -289,7 +294,7 @@ To fix this, we need to use the :code:`edit()` method to write our custom
 
 .. literalinclude:: tutorial/examples/Makefile/2.package.py
    :language: python
-   :emphasize-lines: 42,43,44
+   :emphasize-lines: 23,24,25
    :linenos:
 
 Here we use a :code:`FileFilter` object to edit our :code:`Makefile`. It takes
@@ -302,7 +307,7 @@ Let's change the build and install phases of our package:
 
 .. literalinclude:: tutorial/examples/Makefile/3.package.py
    :language: python
-   :emphasize-lines: 46, 52
+   :emphasize-lines: 27, 33
    :linenos:
 
 Here demonstrate another strategy that we can use to manipulate our package
@@ -482,8 +487,8 @@ And go into a bit of detail on the highlighted sections:
 
 .. literalinclude:: ../../../lib/spack/spack/build_systems/cmake.py
    :language: python
-   :lines: 37-92, 94-155, 174-211
-   :emphasize-lines: 57,68,86,94,96,99,100,101,102,111,117,135,136
+   :lines: 18-73, 75-136, 155-192
+   :emphasize-lines: 38,49,67,75,77,80,81,82,83,92,98,116,117
    :linenos:
 
 Some :code:`CMake` packages use different generators. Spack is able to support
@@ -564,7 +569,7 @@ Again we fill in the details:
 .. literalinclude:: tutorial/examples/Cmake/1.package.py
    :language: python
    :linenos:
-   :emphasize-lines: 28,32,33,37,38,39,40,41,42
+   :emphasize-lines: 9,13,14,18,19,20,21,22,23
 
 As mentioned earlier, Spack will use sensible defaults to prevent repeated code
 and to make writing :code:`CMake` package files simpler.
@@ -575,7 +580,7 @@ compiler flags. We add the following options like so:
 .. literalinclude:: tutorial/examples/Cmake/2.package.py
    :language: python
    :linenos:
-   :emphasize-lines: 45,49,50
+   :emphasize-lines: 26,30,31
 
 Now we can control our build options using :code:`cmake_args()`. If defaults are
 sufficient enough for the package, we can leave this method out.
@@ -677,7 +682,7 @@ We see the following:
 
 .. literalinclude:: ../../../lib/spack/spack/build_systems/python.py
    :language: python
-   :lines: 35, 161-364
+   :lines: 16, 142-345
    :linenos:
 
 Each of these methods have sensible defaults or they can be overridden.
diff --git a/lib/spack/docs/tutorial_configuration.rst b/lib/spack/docs/tutorial_configuration.rst
index 2e97eab5908e3b2970c2d4bbd08e663f5ff8e53d..14c51b70ee1dd7775430c6ba133c5a5b37d6d675 100644
--- a/lib/spack/docs/tutorial_configuration.rst
+++ b/lib/spack/docs/tutorial_configuration.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _configs-tutorial:
 
 ======================
diff --git a/lib/spack/docs/tutorial_modules.rst b/lib/spack/docs/tutorial_modules.rst
index f51f20f80c724cf00dd3aed5b1d8afa3112096f8..2277763da6489f9b8b035b30cde20c6f6fcd2fe9 100644
--- a/lib/spack/docs/tutorial_modules.rst
+++ b/lib/spack/docs/tutorial_modules.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _modules-tutorial:
 
 ============
diff --git a/lib/spack/docs/tutorial_packaging.rst b/lib/spack/docs/tutorial_packaging.rst
index e85be7c6370b2905429c9d691d9692cd11e45201..b6b4ee6cf7ec6e836fe58822db61173419352887 100644
--- a/lib/spack/docs/tutorial_packaging.rst
+++ b/lib/spack/docs/tutorial_packaging.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 .. _packaging-tutorial:
 
 =========================
@@ -55,9 +60,9 @@ we run ``spack create`` on it:
   $ spack create -t generic -f https://github.com/hpc/mpileaks/releases/download/v1.0/mpileaks-1.0.tar.gz
   ==> This looks like a URL for mpileaks
   ==> Found 1 version of mpileaks:
-    
+
     1.0  https://github.com/LLNL/mpileaks/releases/download/v1.0/mpileaks-1.0.tar.gz
-  
+
   ==> How many would you like to checksum? (default is 1, q to abort) 1
   ==> Downloading...
   ==> Fetching https://github.com/LLNL/mpileaks/releases/download/v1.0/mpileaks-1.0.tar.gz
@@ -133,7 +138,7 @@ found in ``$SPACK_ROOT/lib/spack/docs/tutorial/examples/1.package.py``
 and are below.  Make these changes to your ``package.py``:
 
 .. literalinclude:: tutorial/examples/1.package.py
-   :lines: 25-
+   :lines: 6-
    :language: python
 
 We've filled in the comment that describes what this package does and
@@ -184,7 +189,7 @@ The mpileaks packages depends on three other package: ``MPI``,
 ``$SPACK_ROOT/lib/spack/docs/tutorial/examples/2.package.py``):
 
 .. literalinclude:: tutorial/examples/2.package.py
-   :lines: 25-
+   :lines: 6-
    :language: python
 
 Now when we go to build mpileaks, Spack will fetch and build these
@@ -212,15 +217,15 @@ Now when we try to install this package a lot more happens:
   ==> Executing phase: 'install'
   ==> Error: ProcessError: Command exited with status 2:
       'make' '-j36'
-  
+
   1 error found in build log:
        1     ==> Executing phase: 'install'
        2     ==> 'make' '-j36'
     >> 3     make: *** No targets specified and no makefile found.  Stop.
-  
+
   See build log for details:
     SPACK_ROOT/var/spack/stage/mpileaks-1.0-lfgf53rns5mswq25rxckzgvmjc6ywam7/mpileaks-1.0/spack-build.out
-  
+
 Note that this command may take a while to run and produce more output if
 you don't have an MPI already installed or configured in Spack.
 
@@ -239,7 +244,7 @@ call to ``configure()`` to the top of the install routine. The resulting
 package.py is in ``$SPACK_ROOT/lib/spack/docs/tutorial/examples/3.package.py``:
 
 .. literalinclude:: tutorial/examples/3.package.py
-  :lines: 25-
+  :lines: 6-
   :language: python
 
 If we re-run we still get errors:
@@ -254,7 +259,7 @@ If we re-run we still get errors:
   ==> Executing phase: 'install'
   ==> Error: ProcessError: Command exited with status 1:
       './configure'
-  
+
   1 error found in build log:
        [ ... ]
        21    checking whether SPACK_ROOT/lib/spack/env/gcc/gcc and cc understand -c and -o together... yes
@@ -264,10 +269,10 @@ If we re-run we still get errors:
        25    checking for SPACK_ROOT/opt/spack/linux-ubuntu16.04-x86_64/gcc-5.4.0/openmpi-3.0.0-yo5qkfvumpmgmvlbalqcadu46j5bd52f/bin/mpicc... SPACK_ROOT/opt/spack/linux-ubuntu16.04-x86_64/gcc-5.4.0/openmpi-3.0.0-yo5qkfvumpmgmvlbalqcadu46j5bd52f/bin/mpicc
        26    Checking whether SPACK_ROOT/opt/spack/linux-ubuntu16.04-x86_64/gcc-5.4.0/openmpi-3.0.0-yo5qkfvumpmgmvlbalqcadu46j5bd52f/bin/mpicc responds to '-showme:compile'... yes
     >> 27    configure: error: unable to locate adept-utils installation
-  
+
   See build log for details:
     SPACK_ROOT/var/spack/stage/mpileaks-1.0-lfgf53rns5mswq25rxckzgvmjc6ywam7/mpileaks-1.0/spack-build.out
-  
+
 Again, the problem may be obvious.  But let's pretend we're not
 all intelligent developers and use this opportunity spend some
 time debugging.  We have a few options that can tell us about
@@ -276,7 +281,7 @@ what's going wrong:
 As per the error message, Spack has given us a ``spack-build.out`` debug log:
 
 .. code-block:: console
-  
+
   ==> Executing phase: 'install'
   ==> './configure'
   checking metadata... no
@@ -290,7 +295,7 @@ As per the error message, Spack has given us a ``spack-build.out`` debug log:
   checking for C compiler default output file name... a.out
   checking whether the C compiler works... yes
   checking whether we are cross compiling... no
-  checking for suffix of executables... 
+  checking for suffix of executables...
   checking for suffix of object files... o
   checking whether we are using the GNU C compiler... yes
   checking whether SPACK_ROOT/lib/spack/env/gcc/gcc accepts -g... yes
@@ -340,7 +345,7 @@ From here we can manually re-run the build:
   checking for C compiler default output file name... a.out
   checking whether the C compiler works... yes
   checking whether we are cross compiling... no
-  checking for suffix of executables... 
+  checking for suffix of executables...
   checking for suffix of object files... o
   checking whether we are using the GNU C compiler... yes
   checking whether SPACK_ROOT/lib/spack/env/gcc/gcc accepts -g... yes
@@ -372,7 +377,7 @@ version can be found in
 ``$SPACK_ROOT/lib/spack/docs/tutorial/examples/4.package.py``:
 
 .. literalinclude:: tutorial/examples/4.package.py
-   :lines: 25-
+   :lines: 6-
    :language: python
 
 This is all we need for working mpileaks!  If we install now we'll see:
@@ -423,7 +428,7 @@ To do this, we'll add a variant to our package, as per the following (see
 ``$SPACK_ROOT/lib/spack/docs/tutorial/examples/5.package.py``):
 
 .. literalinclude:: tutorial/examples/5.package.py
-   :lines: 25-
+   :lines: 6-
    :language: python
 
 We've added the variant ``stackstart``, and given it a default value of
diff --git a/lib/spack/docs/workflows.rst b/lib/spack/docs/workflows.rst
index 18b546aa30016fe6d0ef9c6d0af717d89b3af890..b55c8bfd491b61b957eb2bee3e4c64a19e54fb8d 100644
--- a/lib/spack/docs/workflows.rst
+++ b/lib/spack/docs/workflows.rst
@@ -1,3 +1,8 @@
+.. Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+   Spack Project Developers. See the top-level COPYRIGHT file for details.
+
+   SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 =========
 Workflows
 =========
diff --git a/lib/spack/env/cc b/lib/spack/env/cc
index bf78f2d5d0987b4e3dcfce81b86281e0d8805277..3b83291cc2b2f5372c33e4310fd17f111ba850ee 100755
--- a/lib/spack/env/cc
+++ b/lib/spack/env/cc
@@ -1,28 +1,10 @@
 #!/bin/bash
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Spack compiler wrapper script.
 #
diff --git a/lib/spack/external/__init__.py b/lib/spack/external/__init__.py
index 0f81f3780200e01e0950ee2a76a53f8178deb0f9..320d3a6341a961bd5273cad9eed029d0f394fb60 100644
--- a/lib/spack/external/__init__.py
+++ b/lib/spack/external/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module contains the following external, potentially separately
 licensed, packages that are included in Spack:
 
diff --git a/lib/spack/external/ordereddict_backport.py b/lib/spack/external/ordereddict_backport.py
index 02b2ea1f4bd5c1a56f397baeb6cb778aad7ca052..9bb788f0935ceec0c24914aa734594256c269bd6 100644
--- a/lib/spack/external/ordereddict_backport.py
+++ b/lib/spack/external/ordereddict_backport.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This file dispatches to the correct implementation of OrderedDict."""
 
 # TODO: this file, along with py26/ordereddict.py, can be removed when
diff --git a/lib/spack/llnl/__init__.py b/lib/spack/llnl/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/llnl/__init__.py
+++ b/lib/spack/llnl/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/llnl/util/__init__.py b/lib/spack/llnl/util/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/llnl/util/__init__.py
+++ b/lib/spack/llnl/util/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/llnl/util/argparsewriter.py b/lib/spack/llnl/util/argparsewriter.py
index 75c62f007faa5dce5f307675d6219e9e41ab17b2..7ae89b81a80c2ef172950aef10fd2d1b5561df3e 100644
--- a/lib/spack/llnl/util/argparsewriter.py
+++ b/lib/spack/llnl/util/argparsewriter.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 import re
 import argparse
diff --git a/lib/spack/llnl/util/filesystem.py b/lib/spack/llnl/util/filesystem.py
index 599d0b95e14cb41b9f6199fa214c90d195406699..3a43cfd58226cb105e3bfaa81f5895a06da19a91 100644
--- a/lib/spack/llnl/util/filesystem.py
+++ b/lib/spack/llnl/util/filesystem.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import collections
 import errno
 import hashlib
diff --git a/lib/spack/llnl/util/lang.py b/lib/spack/llnl/util/lang.py
index 314dc92f2c6a020182246fbc8be57eb349873bcd..92a9222f27db51ab47766d7174febb460b502441 100644
--- a/lib/spack/llnl/util/lang.py
+++ b/lib/spack/llnl/util/lang.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import division
 
 import os
diff --git a/lib/spack/llnl/util/link_tree.py b/lib/spack/llnl/util/link_tree.py
index 6deadf8109a87d51b8421124f3609f75648c737e..e675523015990b82c0ba1ac50677be65eef2fe1a 100644
--- a/lib/spack/llnl/util/link_tree.py
+++ b/lib/spack/llnl/util/link_tree.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """LinkTree class for setting up trees of symbolic links."""
 
 import os
diff --git a/lib/spack/llnl/util/lock.py b/lib/spack/llnl/util/lock.py
index 9a2044992b80ad25bdc56515a954857f111f6e2c..3beb219bd90a94eefe54848a73e37057fcd90347 100644
--- a/lib/spack/llnl/util/lock.py
+++ b/lib/spack/llnl/util/lock.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import fcntl
 import errno
diff --git a/lib/spack/llnl/util/multiproc.py b/lib/spack/llnl/util/multiproc.py
index 26902d02ee4b3c3138445099d43b40c168a052e4..9c555112ec80439b527035cbdd3fc53fcdffb8a1 100644
--- a/lib/spack/llnl/util/multiproc.py
+++ b/lib/spack/llnl/util/multiproc.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This implements a parallel map operation but it can accept more values
 than multiprocessing.Pool.apply() can.  For example, apply() will fail
diff --git a/lib/spack/llnl/util/tty/__init__.py b/lib/spack/llnl/util/tty/__init__.py
index 5bf4e0f8ba0a2bc03326cfa487a195c40203276b..49a2187ad3860074352e3ea3e5a9d7ceac934e35 100644
--- a/lib/spack/llnl/util/tty/__init__.py
+++ b/lib/spack/llnl/util/tty/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import fcntl
 import os
 import struct
diff --git a/lib/spack/llnl/util/tty/colify.py b/lib/spack/llnl/util/tty/colify.py
index bc3aed3a92d53f840cf56bb84f9625cabb2681c5..c329193fba622b240711a32a97cc4f578e9050c3 100644
--- a/lib/spack/llnl/util/tty/colify.py
+++ b/lib/spack/llnl/util/tty/colify.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 Routines for printing columnar output.  See ``colify()`` for more information.
 """
diff --git a/lib/spack/llnl/util/tty/color.py b/lib/spack/llnl/util/tty/color.py
index 3e40443a40db0e55a50ea97c1516b87e7fa19cc4..53a1150adabcb4cb8c10c9ec63db1cd58db68c85 100644
--- a/lib/spack/llnl/util/tty/color.py
+++ b/lib/spack/llnl/util/tty/color.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This file implements an expression syntax, similar to ``printf``, for adding
 ANSI colors to text.
diff --git a/lib/spack/llnl/util/tty/log.py b/lib/spack/llnl/util/tty/log.py
index 64238f3ba0ab8614a24b0e92a80857bf7e6e24d1..df2d56cab22a6a358bc9a0c771751b979724d6a8 100644
--- a/lib/spack/llnl/util/tty/log.py
+++ b/lib/spack/llnl/util/tty/log.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Utility classes for logging the output of blocks of code.
 """
 import multiprocessing
diff --git a/lib/spack/spack/__init__.py b/lib/spack/spack/__init__.py
index 515b36cf26ac059c3bf6e5dc91be9f41753eda38..338e4c67ec4697f5b7b45db4134c948b4cd6e741 100644
--- a/lib/spack/spack/__init__.py
+++ b/lib/spack/spack/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 #: major, minor, patch version for Spack, in a tuple
 spack_version_info = (0, 11, 2)
diff --git a/lib/spack/spack/abi.py b/lib/spack/spack/abi.py
index ce31ebecbb24596199bf9e4f76b3cf8d2be13a82..490c68891121e1ba849fc91e3ddb76eb37f76685 100644
--- a/lib/spack/spack/abi.py
+++ b/lib/spack/spack/abi.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from llnl.util.lang import memoized
diff --git a/lib/spack/spack/architecture.py b/lib/spack/spack/architecture.py
index ca0a647121b504577d317f4ee7be19db06fdfb42..1b7b60212103b7211529a05a35d6d2e0dead9dc7 100644
--- a/lib/spack/spack/architecture.py
+++ b/lib/spack/spack/architecture.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This module contains all the elements that are required to create an
 architecture object. These include, the target processor, the operating system,
diff --git a/lib/spack/spack/binary_distribution.py b/lib/spack/spack/binary_distribution.py
index 669cdb78aa1292883a113f9a572ffff4cb33190d..7df8016f18e0c1257fe6b9c942b8087d8c59a557 100644
--- a/lib/spack/spack/binary_distribution.py
+++ b/lib/spack/spack/binary_distribution.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import re
 import tarfile
diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index b6288993dde92ed504cdf4ad4a10296b3348a0de..71edc65ce7fc47336e8baaa3312a015a48ef6ad3 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This module contains all routines related to setting up the package
 build environment.  All of this is set up by package.py just before
diff --git a/lib/spack/spack/build_systems/__init__.py b/lib/spack/spack/build_systems/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/spack/build_systems/__init__.py
+++ b/lib/spack/spack/build_systems/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/spack/build_systems/aspell_dict.py b/lib/spack/spack/build_systems/aspell_dict.py
index 76b6d8ebc5a7f6954ee8623b3dff3da0d60ea9f1..437983e8a7412e0fee397f6b7f55b72e008ad38a 100644
--- a/lib/spack/spack/build_systems/aspell_dict.py
+++ b/lib/spack/spack/build_systems/aspell_dict.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # Why doesn't this work for me?
 # from spack import *
 from llnl.util.filesystem import filter_file
diff --git a/lib/spack/spack/build_systems/autotools.py b/lib/spack/spack/build_systems/autotools.py
index 21fe7c4c5be53b3b81c02023b4be5705312ba9ef..a26c7f56bb1a3b3ab122d1fef3704b052d1276a3 100644
--- a/lib/spack/spack/build_systems/autotools.py
+++ b/lib/spack/spack/build_systems/autotools.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 import os
diff --git a/lib/spack/spack/build_systems/cmake.py b/lib/spack/spack/build_systems/cmake.py
index 6da901e473a6bbe8adaaa0b259069fbd0a07a65a..6f46643f83425873772b3ae63878063410b4d375 100644
--- a/lib/spack/spack/build_systems/cmake.py
+++ b/lib/spack/spack/build_systems/cmake.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 import os
diff --git a/lib/spack/spack/build_systems/cuda.py b/lib/spack/spack/build_systems/cuda.py
index 4fad073d71ef3ff037241302a222812a4698eb4a..2e395fe9dd713514ba31c9b75aca18e8a73b9eb3 100644
--- a/lib/spack/spack/build_systems/cuda.py
+++ b/lib/spack/spack/build_systems/cuda.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.package import PackageBase
 from spack.directives import depends_on, variant, conflicts
 import platform
diff --git a/lib/spack/spack/build_systems/intel.py b/lib/spack/spack/build_systems/intel.py
index 0c5707a8ef4eb8786cb9faccc677b1221f4e76c6..d82bd416888c01bfee64f3b30ff9104260d54fcd 100644
--- a/lib/spack/spack/build_systems/intel.py
+++ b/lib/spack/spack/build_systems/intel.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 import sys
diff --git a/lib/spack/spack/build_systems/makefile.py b/lib/spack/spack/build_systems/makefile.py
index 5e7fe121f3731a08768866107761aff8cc8958a5..1dd25bbd0862fd9417ec04aa8c5cb7f8af7c655a 100644
--- a/lib/spack/spack/build_systems/makefile.py
+++ b/lib/spack/spack/build_systems/makefile.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 
diff --git a/lib/spack/spack/build_systems/meson.py b/lib/spack/spack/build_systems/meson.py
index 46161b001bf0f44dc284ed0717f48420d291d13f..929248d7f9c140bc5850ac028f5b164f57548a3e 100644
--- a/lib/spack/spack/build_systems/meson.py
+++ b/lib/spack/spack/build_systems/meson.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 import os
diff --git a/lib/spack/spack/build_systems/octave.py b/lib/spack/spack/build_systems/octave.py
index 67f3f2432fc8adaa401860beed179dd0c3b53652..ffcbb98c2a0b87a2f9515df942880cba289c7d65 100644
--- a/lib/spack/spack/build_systems/octave.py
+++ b/lib/spack/spack/build_systems/octave.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import inspect
 
 from spack.directives import depends_on, extends
diff --git a/lib/spack/spack/build_systems/perl.py b/lib/spack/spack/build_systems/perl.py
index eb6d2f05a48cf3e980b579d32c4b3d9b129b52ab..f2b088f25dc6526488daa26db98e050a168e09a3 100644
--- a/lib/spack/spack/build_systems/perl.py
+++ b/lib/spack/spack/build_systems/perl.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 import os
diff --git a/lib/spack/spack/build_systems/python.py b/lib/spack/spack/build_systems/python.py
index aadb4e24a2d11f62f7e7728e37d3198f14232ad7..bf469cee23e87c94260f2b80ce1152cdb54e043f 100644
--- a/lib/spack/spack/build_systems/python.py
+++ b/lib/spack/spack/build_systems/python.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 import os
diff --git a/lib/spack/spack/build_systems/qmake.py b/lib/spack/spack/build_systems/qmake.py
index 4c59085d2656d09e915f499bb24e9b807ae934dc..054d84f4b8093fc958b32f33871945735e8480ec 100644
--- a/lib/spack/spack/build_systems/qmake.py
+++ b/lib/spack/spack/build_systems/qmake.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 
diff --git a/lib/spack/spack/build_systems/r.py b/lib/spack/spack/build_systems/r.py
index 0c4cf4d8f4c4471afb9072e266e619f3d186e284..32bad7bac647e70962a5eb5755cb653f2f8d9ece 100644
--- a/lib/spack/spack/build_systems/r.py
+++ b/lib/spack/spack/build_systems/r.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 
diff --git a/lib/spack/spack/build_systems/scons.py b/lib/spack/spack/build_systems/scons.py
index 205f3c73fba800049c786e189746b9b16faf1802..a7bc5c63749617212db2a1e3298a4d4179fb2bc4 100644
--- a/lib/spack/spack/build_systems/scons.py
+++ b/lib/spack/spack/build_systems/scons.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 
diff --git a/lib/spack/spack/build_systems/waf.py b/lib/spack/spack/build_systems/waf.py
index 77c73f3619f7cb696cb30ea95ef48ed2eb39689f..ee00d175b09ea6176c1c5206dc7619cb561d541e 100644
--- a/lib/spack/spack/build_systems/waf.py
+++ b/lib/spack/spack/build_systems/waf.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 
diff --git a/lib/spack/spack/caches.py b/lib/spack/spack/caches.py
index 5f3d7406dedd11d53ca5b691078a33368a9aad2b..1d74e9dc3b3e71304c70753a7347a98fa407262a 100644
--- a/lib/spack/spack/caches.py
+++ b/lib/spack/spack/caches.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Caches used by Spack to store data"""
 import os
 
diff --git a/lib/spack/spack/cmd/__init__.py b/lib/spack/spack/cmd/__init__.py
index ede22968817d71a6b1a2815c3ef4a8b616eaf733..39a5bcd23414fc68c7312d6d3448af2397d08c7a 100644
--- a/lib/spack/spack/cmd/__init__.py
+++ b/lib/spack/spack/cmd/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import os
diff --git a/lib/spack/spack/cmd/activate.py b/lib/spack/spack/cmd/activate.py
index 73c4c63bce2509f3ac488301895d31b1bcffa036..de6bbc3ecc5b56098b7d0a33229e05430a061893 100644
--- a/lib/spack/spack/cmd/activate.py
+++ b/lib/spack/spack/cmd/activate.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/arch.py b/lib/spack/spack/cmd/arch.py
index da76968cd8bc8108d83eb20bf65746e2af9a6221..46a2306ed5cb0c566120ac12c9e8882f5a5b8f97 100644
--- a/lib/spack/spack/cmd/arch.py
+++ b/lib/spack/spack/cmd/arch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import spack.architecture as architecture
diff --git a/lib/spack/spack/cmd/blame.py b/lib/spack/spack/cmd/blame.py
index 54a1469cbc97ac43ecdef8a7473686b184de0078..a385817f9f8f1c6671c8d7ca4580941640a4f67f 100644
--- a/lib/spack/spack/cmd/blame.py
+++ b/lib/spack/spack/cmd/blame.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import re
 
diff --git a/lib/spack/spack/cmd/bootstrap.py b/lib/spack/spack/cmd/bootstrap.py
index 2648a221e991509fc4f77126e948cd1b98bc84ca..ee09298cb2c2281c07ea5378da263b514ea27e73 100644
--- a/lib/spack/spack/cmd/bootstrap.py
+++ b/lib/spack/spack/cmd/bootstrap.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import llnl.util.tty as tty
 
 import spack.repo
diff --git a/lib/spack/spack/cmd/build.py b/lib/spack/spack/cmd/build.py
index d544d1c43e740e48164f0a6121d82f13bd40ecff..13b5621cd412d4e357ce7f9a13fc17baae073db3 100644
--- a/lib/spack/spack/cmd/build.py
+++ b/lib/spack/spack/cmd/build.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.cmd.configure as cfg
 
 from spack.build_systems.autotools import AutotoolsPackage
diff --git a/lib/spack/spack/cmd/buildcache.py b/lib/spack/spack/cmd/buildcache.py
index da2c35ec2f1f444294ac8eceb8a795b585189b0b..6ff8acddcb3f370fff29ed67fae5a5c38f4e1c95 100644
--- a/lib/spack/spack/cmd/buildcache.py
+++ b/lib/spack/spack/cmd/buildcache.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License (as published by
-# the Free Software Foundation) version 2.1 dated February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/cd.py b/lib/spack/spack/cmd/cd.py
index a649eccb598c07fb89e0f3abe3f671a7931350cc..6a10f6f8aad78c7a4e60b83cfcb3fc727ac1cce1 100644
--- a/lib/spack/spack/cmd/cd.py
+++ b/lib/spack/spack/cmd/cd.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.cmd.common import print_module_placeholder_help
 
 import spack.cmd.location
diff --git a/lib/spack/spack/cmd/checksum.py b/lib/spack/spack/cmd/checksum.py
index 7cf1aa42be83a175c40f04d757c9ee6317b52c91..19bfde49bdf17c55b7a69a3f0a42d8b7b25554ec 100644
--- a/lib/spack/spack/cmd/checksum.py
+++ b/lib/spack/spack/cmd/checksum.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/clean.py b/lib/spack/spack/cmd/clean.py
index 185a2c406a3eb1d0331edb748e16443330bb3d8e..5d3d39997fb8a44b2faaee66be8dd53ee509c007 100644
--- a/lib/spack/spack/cmd/clean.py
+++ b/lib/spack/spack/cmd/clean.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 import os
 import shutil
diff --git a/lib/spack/spack/cmd/clone.py b/lib/spack/spack/cmd/clone.py
index c523f26eb646bad98e37d9833df23a77cdf8f187..9926bf016e29ee92f19481fab992c9e12704b6d5 100644
--- a/lib/spack/spack/cmd/clone.py
+++ b/lib/spack/spack/cmd/clone.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/commands.py b/lib/spack/spack/cmd/commands.py
index 59607de4a4f8550c3fe7bb24b62948aacc11002f..bf29b3f096cd25eeece11c9efd1f075edd1d8c97 100644
--- a/lib/spack/spack/cmd/commands.py
+++ b/lib/spack/spack/cmd/commands.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import sys
diff --git a/lib/spack/spack/cmd/common/__init__.py b/lib/spack/spack/cmd/common/__init__.py
index 25cfdf4398f7fe7b28c117b8e79c2e6205703646..e1dccda0dc55875e83c44dad728d1885c98f8e10 100644
--- a/lib/spack/spack/cmd/common/__init__.py
+++ b/lib/spack/spack/cmd/common/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import spack.paths
 from llnl.util import tty
diff --git a/lib/spack/spack/cmd/common/arguments.py b/lib/spack/spack/cmd/common/arguments.py
index 4a3ddc6326216b35cb3dd5f73f4bd544a1164bd0..3b03d146f019fa13157abcd0b7ad8d7b220bdb3b 100644
--- a/lib/spack/spack/cmd/common/arguments.py
+++ b/lib/spack/spack/cmd/common/arguments.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import argparse
 
diff --git a/lib/spack/spack/cmd/compiler.py b/lib/spack/spack/cmd/compiler.py
index 687c62e86d87b4b94d0af95cf92a8ea412be64f6..bf2e1687f8ce983d3e02f1c6d3ab45aef8167adf 100644
--- a/lib/spack/spack/cmd/compiler.py
+++ b/lib/spack/spack/cmd/compiler.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/compilers.py b/lib/spack/spack/cmd/compilers.py
index 77e20119a28b6692ffe054ad7ef764075593970c..7510e24b7e07f5e5985af230bd41665e74a5607c 100644
--- a/lib/spack/spack/cmd/compilers.py
+++ b/lib/spack/spack/cmd/compilers.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.config
 from spack.cmd.compiler import compiler_list
 
diff --git a/lib/spack/spack/cmd/config.py b/lib/spack/spack/cmd/config.py
index 78d45e22f120074277027487fa22e2a5c6e7516b..754b1e8336fee30a6f4463279c425701ec723700 100644
--- a/lib/spack/spack/cmd/config.py
+++ b/lib/spack/spack/cmd/config.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.config
 
 from spack.util.editor import editor
diff --git a/lib/spack/spack/cmd/configure.py b/lib/spack/spack/cmd/configure.py
index 8135bfb99462e8c92c34dcbbe28fa0f502d5936f..668d16dafd1d9b194e47f33e8a602682d875f13e 100644
--- a/lib/spack/spack/cmd/configure.py
+++ b/lib/spack/spack/cmd/configure.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/create.py b/lib/spack/spack/cmd/create.py
index a9d0a8e999086d2da88df394aafe63b57d8ca404..3fc8703c0e7a4b3a1cbcc8840437a32fe14d981c 100644
--- a/lib/spack/spack/cmd/create.py
+++ b/lib/spack/spack/cmd/create.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import os
@@ -46,32 +27,7 @@
 level = "short"
 
 
-package_template = '''\
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-#
+package_template = '''\#
 # This is a template package file for Spack.  We've put "FIXME"
 # next to all the things you'll want to change. Once you've handled
 # them, you can save this file and test your package like this:
diff --git a/lib/spack/spack/cmd/deactivate.py b/lib/spack/spack/cmd/deactivate.py
index fdf64ee0b72e907d3de9fc6677fa10d73a8c2e69..ef450b1c94f7fae96581efb004a483dccd326885 100644
--- a/lib/spack/spack/cmd/deactivate.py
+++ b/lib/spack/spack/cmd/deactivate.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 import llnl.util.tty as tty
 
diff --git a/lib/spack/spack/cmd/debug.py b/lib/spack/spack/cmd/debug.py
index 7fcbfa42126b3f6de231cb68c732881d409be2d9..e1fa22737119aef9bb35e9c6d2164c3be7898b0e 100644
--- a/lib/spack/spack/cmd/debug.py
+++ b/lib/spack/spack/cmd/debug.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import re
 from datetime import datetime
diff --git a/lib/spack/spack/cmd/dependencies.py b/lib/spack/spack/cmd/dependencies.py
index d36b1c5f71664547693c74b30b7ea8ff16b211d2..fe66bef1df35879ab45e92d4fcde67ef5b9368c0 100644
--- a/lib/spack/spack/cmd/dependencies.py
+++ b/lib/spack/spack/cmd/dependencies.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/dependents.py b/lib/spack/spack/cmd/dependents.py
index 89d2f42dfa40c41609147b120099865f8e2fb614..46397ed5f0d449de2a7fcda4ed50137adfc7d33d 100644
--- a/lib/spack/spack/cmd/dependents.py
+++ b/lib/spack/spack/cmd/dependents.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/diy.py b/lib/spack/spack/cmd/diy.py
index b6d3bfdfd36a465cbc8685dd88f1225b2773d545..39282b3b2d38ae1228b0708f7e0569e8759e994a 100644
--- a/lib/spack/spack/cmd/diy.py
+++ b/lib/spack/spack/cmd/diy.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 import os
 import argparse
diff --git a/lib/spack/spack/cmd/docs.py b/lib/spack/spack/cmd/docs.py
index 4aeaded7e86250946f7fb25b04cb0aacb024d73c..9af6a37d7c67632f9c3cf24962e2c061343a3071 100644
--- a/lib/spack/spack/cmd/docs.py
+++ b/lib/spack/spack/cmd/docs.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import webbrowser
 
 description = 'open spack documentation in a web browser'
diff --git a/lib/spack/spack/cmd/edit.py b/lib/spack/spack/cmd/edit.py
index 4031e5549a478e1d8691ee476057b6394bf92b74..ddc49753afd2c910e720ad6a0568dc3ca52de7dd 100644
--- a/lib/spack/spack/cmd/edit.py
+++ b/lib/spack/spack/cmd/edit.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import glob
 
diff --git a/lib/spack/spack/cmd/env.py b/lib/spack/spack/cmd/env.py
index 29b00e12f26e0ca6d6ff1b32afe17752f82a9947..94be7f03fb04084ad1fe8a9c7ede608f7b41da8d 100644
--- a/lib/spack/spack/cmd/env.py
+++ b/lib/spack/spack/cmd/env.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/extensions.py b/lib/spack/spack/cmd/extensions.py
index 9e17dbb81ab7948fa63060855cfd4e58b261efbb..a564248d631c31c49b9d3e100c3556288d224f12 100644
--- a/lib/spack/spack/cmd/extensions.py
+++ b/lib/spack/spack/cmd/extensions.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/fetch.py b/lib/spack/spack/cmd/fetch.py
index 973b45fbbd846f2f52442f3dc0bd6a6763b731be..6682cfaaa8147263a9ed78e62cbc9d3dec7218bd 100644
--- a/lib/spack/spack/cmd/fetch.py
+++ b/lib/spack/spack/cmd/fetch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/find.py b/lib/spack/spack/cmd/find.py
index 63e1fe0475b2f08593ebc4014c82cf78800ab0ce..0e8e2ef5f05d05b14ae2586e8b2dfc3e2341d5c7 100644
--- a/lib/spack/spack/cmd/find.py
+++ b/lib/spack/spack/cmd/find.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/flake8.py b/lib/spack/spack/cmd/flake8.py
index c6fe19f30ca1d2806e7de7fa1f723f2224fc4f15..7049d622f26150ca14d422020e2567c9da558dc3 100644
--- a/lib/spack/spack/cmd/flake8.py
+++ b/lib/spack/spack/cmd/flake8.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import re
diff --git a/lib/spack/spack/cmd/gpg.py b/lib/spack/spack/cmd/gpg.py
index e6ff1510a2f3dfd0c0589cef90ff4f3f1c3a2083..6b81ce885de500523337a53ab19d51d636104d70 100644
--- a/lib/spack/spack/cmd/gpg.py
+++ b/lib/spack/spack/cmd/gpg.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import argparse
 
diff --git a/lib/spack/spack/cmd/graph.py b/lib/spack/spack/cmd/graph.py
index 305835ff3406d4ae4460231e03637b44249bfbf8..6830c90bae98bdd0d4ee85f18b2ab8b7b759dacb 100644
--- a/lib/spack/spack/cmd/graph.py
+++ b/lib/spack/spack/cmd/graph.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/help.py b/lib/spack/spack/cmd/help.py
index 15830bc32283a5c8c230a7cab07f1b80241b3b21..ab1a5b5c4584668079999c7d00369d49631e507b 100644
--- a/lib/spack/spack/cmd/help.py
+++ b/lib/spack/spack/cmd/help.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 from llnl.util.tty.color import colorize
 
diff --git a/lib/spack/spack/cmd/info.py b/lib/spack/spack/cmd/info.py
index 008863b0a2770bbd743d56c001880acebf5469f1..d4e1f9e5d34a982dbfa8a16b35cc18290cbd7e91 100644
--- a/lib/spack/spack/cmd/info.py
+++ b/lib/spack/spack/cmd/info.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import textwrap
diff --git a/lib/spack/spack/cmd/install.py b/lib/spack/spack/cmd/install.py
index 6404ca81a375e7080eecf3a58b1de185a84ddb6a..b0165c8c309d46be25a0a9cce5277d698095233b 100644
--- a/lib/spack/spack/cmd/install.py
+++ b/lib/spack/spack/cmd/install.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 import os
 import shutil
diff --git a/lib/spack/spack/cmd/list.py b/lib/spack/spack/cmd/list.py
index c32f3556c2de0ed50448f1f222c1d31f4427f3fa..f486f46a4f70a17d5e731cfe114dd4962ee65954 100644
--- a/lib/spack/spack/cmd/list.py
+++ b/lib/spack/spack/cmd/list.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 from __future__ import division
 
diff --git a/lib/spack/spack/cmd/load.py b/lib/spack/spack/cmd/load.py
index 115c50dc987b71d0fa98a116808b46b4df13f3e0..b606af36949ff789f569c615c2d6bc451fb882a9 100644
--- a/lib/spack/spack/cmd/load.py
+++ b/lib/spack/spack/cmd/load.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 from spack.cmd.common import print_module_placeholder_help, arguments
 
diff --git a/lib/spack/spack/cmd/location.py b/lib/spack/spack/cmd/location.py
index 308047c40f07f3a61e218a9349b0270eaddf8de6..396128f089aff81f5acd5d0352031d8cea034b46 100644
--- a/lib/spack/spack/cmd/location.py
+++ b/lib/spack/spack/cmd/location.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/log_parse.py b/lib/spack/spack/cmd/log_parse.py
index 0d541599126ff758a19a6f0875a83b131b43a9a8..ac7db768bf5c4de143b4a3b1c27ea408f2587fae 100644
--- a/lib/spack/spack/cmd/log_parse.py
+++ b/lib/spack/spack/cmd/log_parse.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/mirror.py b/lib/spack/spack/cmd/mirror.py
index f42e990329e64dfcad9d529371de1234b2b0e0e9..5ef153b31444b17dc6d978856f9ce6f91946f568 100644
--- a/lib/spack/spack/cmd/mirror.py
+++ b/lib/spack/spack/cmd/mirror.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from datetime import datetime
 
diff --git a/lib/spack/spack/cmd/module.py b/lib/spack/spack/cmd/module.py
index f9f0586d62bf854a1907e72b19f5725b2f569ea7..f100293cc0d81e820c8113d9df1a92a491512d0d 100644
--- a/lib/spack/spack/cmd/module.py
+++ b/lib/spack/spack/cmd/module.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/modules/__init__.py b/lib/spack/spack/cmd/modules/__init__.py
index 24606183122ca02d4bc435f0cb8567d8e1943878..4972acfe0e700489f1c8ab07f26cef3c322222e3 100644
--- a/lib/spack/spack/cmd/modules/__init__.py
+++ b/lib/spack/spack/cmd/modules/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Implementation details of the ``spack module`` command."""
 
 import collections
diff --git a/lib/spack/spack/cmd/modules/dotkit.py b/lib/spack/spack/cmd/modules/dotkit.py
index 9c50dfa77711f353275789c32d47f999d72e244b..159defe3a6929c3246283e99bdb0e999314f775e 100644
--- a/lib/spack/spack/cmd/modules/dotkit.py
+++ b/lib/spack/spack/cmd/modules/dotkit.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import functools
 
 import spack.cmd.modules
diff --git a/lib/spack/spack/cmd/modules/lmod.py b/lib/spack/spack/cmd/modules/lmod.py
index b40024b11485077f4b215c3da8bdee065c114b11..33be5bc85be28540ce1b5ac75e9559d8efc33994 100644
--- a/lib/spack/spack/cmd/modules/lmod.py
+++ b/lib/spack/spack/cmd/modules/lmod.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import functools
 import os
 
diff --git a/lib/spack/spack/cmd/modules/tcl.py b/lib/spack/spack/cmd/modules/tcl.py
index f0cf2ed13c2bc25b63fefd4fca940ba6669e5621..c3005845053f9e410306a30443267e351ecd7ee8 100644
--- a/lib/spack/spack/cmd/modules/tcl.py
+++ b/lib/spack/spack/cmd/modules/tcl.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import functools
 
 import spack.cmd.modules
diff --git a/lib/spack/spack/cmd/patch.py b/lib/spack/spack/cmd/patch.py
index 49edf6634a4b7663115ac3e89ddffbdac7d1aff1..6de45cccb5b23efba4d04fa32f6430ecda10eadc 100644
--- a/lib/spack/spack/cmd/patch.py
+++ b/lib/spack/spack/cmd/patch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/pkg.py b/lib/spack/spack/cmd/pkg.py
index 0d64e9900df209e9db7f63e41222cd0d11b0a4cb..e73c1ec61ec65ad8d05c86158bb3dda4eaf57f34 100644
--- a/lib/spack/spack/cmd/pkg.py
+++ b/lib/spack/spack/cmd/pkg.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import os
diff --git a/lib/spack/spack/cmd/providers.py b/lib/spack/spack/cmd/providers.py
index c18cac10c557d0bd552e4ba314390aae657b16f2..f20966c4d3b253c9f0913cf23b06851becd69dae 100644
--- a/lib/spack/spack/cmd/providers.py
+++ b/lib/spack/spack/cmd/providers.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import six
 import sys
 
diff --git a/lib/spack/spack/cmd/pydoc.py b/lib/spack/spack/cmd/pydoc.py
index 3a9e870f687973051b13152676a9b2f8b0e3b3f3..e17d54847540cdc0a064fe082575a71c75f08b77 100644
--- a/lib/spack/spack/cmd/pydoc.py
+++ b/lib/spack/spack/cmd/pydoc.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 description = "run pydoc from within spack"
 section = "developer"
diff --git a/lib/spack/spack/cmd/python.py b/lib/spack/spack/cmd/python.py
index e5aa6b62209fb14b7bac94df4af4e67c035f0bdd..fbd5c788fea2514586e2389ec87685704462c39e 100644
--- a/lib/spack/spack/cmd/python.py
+++ b/lib/spack/spack/cmd/python.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 import code
diff --git a/lib/spack/spack/cmd/reindex.py b/lib/spack/spack/cmd/reindex.py
index 91c8205fa8abffe1728b7339256f1d1385591c78..4dcae1c6784fed03c0d7b0fe92fb66b881f4a5bb 100644
--- a/lib/spack/spack/cmd/reindex.py
+++ b/lib/spack/spack/cmd/reindex.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.store
 
 description = "rebuild Spack's package database"
diff --git a/lib/spack/spack/cmd/repo.py b/lib/spack/spack/cmd/repo.py
index 6a25e03e911f7aff8dec4ea0b749bfcee80a8f31..8ce9ea9351e4a7c29e8f66e397abc6bcf667bd0e 100644
--- a/lib/spack/spack/cmd/repo.py
+++ b/lib/spack/spack/cmd/repo.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import os
diff --git a/lib/spack/spack/cmd/restage.py b/lib/spack/spack/cmd/restage.py
index 9107fdd1380340e775739bea64f453a5c78abeb2..e2b77167b1d4f08e38aba7919fdee7fa3252a3c2 100644
--- a/lib/spack/spack/cmd/restage.py
+++ b/lib/spack/spack/cmd/restage.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/setup.py b/lib/spack/spack/cmd/setup.py
index dcace5a668a6b0a4fffd32490cbdb20b3a1d0756..5620f8904cb1fbd640d0e9e3332f22dc547e4791 100644
--- a/lib/spack/spack/cmd/setup.py
+++ b/lib/spack/spack/cmd/setup.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 import copy
 import os
diff --git a/lib/spack/spack/cmd/spec.py b/lib/spack/spack/cmd/spec.py
index bac8dd4727c97dc030ed3fffd759b8435dc37e4e..3280d0b356a518e417ce4a01eef4328958644bc8 100644
--- a/lib/spack/spack/cmd/spec.py
+++ b/lib/spack/spack/cmd/spec.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/stage.py b/lib/spack/spack/cmd/stage.py
index 47e3eb303af21f81f92084d25997b661abc72441..b44331cadca5537085c81679ddb3c3a070a6f13a 100644
--- a/lib/spack/spack/cmd/stage.py
+++ b/lib/spack/spack/cmd/stage.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/cmd/test.py b/lib/spack/spack/cmd/test.py
index 8b3a924b0c08f95fd40dd1100542dd487bb6d4b3..40f2d6f8b2cdfa9de8b37bc1ba55c2ee9568f625 100644
--- a/lib/spack/spack/cmd/test.py
+++ b/lib/spack/spack/cmd/test.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import sys
diff --git a/lib/spack/spack/cmd/uninstall.py b/lib/spack/spack/cmd/uninstall.py
index ec05a23137b08ac2018d705373506391b755b682..2e2810b984e48d47662eb96cd1cf27b6b4202997 100644
--- a/lib/spack/spack/cmd/uninstall.py
+++ b/lib/spack/spack/cmd/uninstall.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import argparse
diff --git a/lib/spack/spack/cmd/unload.py b/lib/spack/spack/cmd/unload.py
index 8907e477d422e74d30bbe63dcc5c2bd50f89b1a5..60f72bb989167ac5776c1abc4deabf8ebde13943 100644
--- a/lib/spack/spack/cmd/unload.py
+++ b/lib/spack/spack/cmd/unload.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 from spack.cmd.common import print_module_placeholder_help
 
diff --git a/lib/spack/spack/cmd/unuse.py b/lib/spack/spack/cmd/unuse.py
index 0546fa12a41028c625dd7b9cd48aa48f7de3a4ce..346fb285ee80766228b1586286e7cf41e81dcb12 100644
--- a/lib/spack/spack/cmd/unuse.py
+++ b/lib/spack/spack/cmd/unuse.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 from spack.cmd.common import print_module_placeholder_help
 
diff --git a/lib/spack/spack/cmd/url.py b/lib/spack/spack/cmd/url.py
index b787cfc7b0b00c55d95eff9c19cbccdf45bd5125..8168ffe45fcd94163176937f0c2b62ffcf1545c0 100644
--- a/lib/spack/spack/cmd/url.py
+++ b/lib/spack/spack/cmd/url.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import division, print_function
 from collections import defaultdict
 try:
diff --git a/lib/spack/spack/cmd/use.py b/lib/spack/spack/cmd/use.py
index 11dc11b7b95984ab9d6411f933d6663dda21ddba..20072c3ef965880e5d88f4adbbb9476b3862709f 100644
--- a/lib/spack/spack/cmd/use.py
+++ b/lib/spack/spack/cmd/use.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 from spack.cmd.common import print_module_placeholder_help, arguments
 
diff --git a/lib/spack/spack/cmd/versions.py b/lib/spack/spack/cmd/versions.py
index abb64f37475dde4009f8d9000f8615aa4dc653cb..007e86c164d90a376647a9bcf8082261d783576a 100644
--- a/lib/spack/spack/cmd/versions.py
+++ b/lib/spack/spack/cmd/versions.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 from llnl.util.tty.colify import colify
diff --git a/lib/spack/spack/cmd/view.py b/lib/spack/spack/cmd/view.py
index 153168cf7170b5d9d173c447c348fd9360adc5e7..0d1f8e20cbc6bf17ef9f444f7edd504d807e519f 100644
--- a/lib/spack/spack/cmd/view.py
+++ b/lib/spack/spack/cmd/view.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 '''Produce a "view" of a Spack DAG.
 
 A "view" is file hierarchy representing the union of a number of
diff --git a/lib/spack/spack/compiler.py b/lib/spack/spack/compiler.py
index afb18ddcaced4aa4a0c63a5698d6f0cf30ea50dd..3bca4d1eaedce7b70a185255395e09428dd7a665 100644
--- a/lib/spack/spack/compiler.py
+++ b/lib/spack/spack/compiler.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import re
 import itertools
diff --git a/lib/spack/spack/compilers/__init__.py b/lib/spack/spack/compilers/__init__.py
index e5d03c990a8a1d13ea9c8996852e2767945e8886..188b7fd329a63cc682ca4303fab7997d59151c97 100644
--- a/lib/spack/spack/compilers/__init__.py
+++ b/lib/spack/spack/compilers/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module contains functions related to finding compilers on the
 system and configuring Spack to use multiple compilers.
 """
diff --git a/lib/spack/spack/compilers/cce.py b/lib/spack/spack/compilers/cce.py
index e8f48242ee46abd94401504ebeba41ba65cd33e2..879f6432ef14497e535c572340b2484a2824afd8 100644
--- a/lib/spack/spack/compilers/cce.py
+++ b/lib/spack/spack/compilers/cce.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.compiler import Compiler, get_compiler_version
 
 
diff --git a/lib/spack/spack/compilers/clang.py b/lib/spack/spack/compilers/clang.py
index 52763dff25c55051eff08415213ff22b4fb7f96b..7386ceb173a689bd566cb26442f73a352fa70fe1 100644
--- a/lib/spack/spack/compilers/clang.py
+++ b/lib/spack/spack/compilers/clang.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 import os
 import sys
diff --git a/lib/spack/spack/compilers/gcc.py b/lib/spack/spack/compilers/gcc.py
index 06d89f78be967dff625e2abe4da5eaa70353c5c8..241a8d97e6d324dfd7205a470e6a422dc776112d 100644
--- a/lib/spack/spack/compilers/gcc.py
+++ b/lib/spack/spack/compilers/gcc.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.compilers.clang
 from spack.compiler import \
     Compiler, get_compiler_version, UnsupportedCompilerFlag
diff --git a/lib/spack/spack/compilers/intel.py b/lib/spack/spack/compilers/intel.py
index 962120362eece839a3e56fe59599fde2207a6564..53d78d09a165e19aa2d90ff840e615c4e7d806b9 100644
--- a/lib/spack/spack/compilers/intel.py
+++ b/lib/spack/spack/compilers/intel.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.compiler import \
     Compiler, get_compiler_version, UnsupportedCompilerFlag
 from spack.version import ver
diff --git a/lib/spack/spack/compilers/nag.py b/lib/spack/spack/compilers/nag.py
index a279384a74d0081ff8ff98a07c6128fc4b25913a..18e5634bfdfce518711a681e2ae57bd29df44137 100644
--- a/lib/spack/spack/compilers/nag.py
+++ b/lib/spack/spack/compilers/nag.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.compiler import Compiler, get_compiler_version
 
 
diff --git a/lib/spack/spack/compilers/pgi.py b/lib/spack/spack/compilers/pgi.py
index 3693b3a4a6c344065e8ac567a15df10eef529ebb..a224e3ea6f2f173921ed858274c71344bdeaa12f 100644
--- a/lib/spack/spack/compilers/pgi.py
+++ b/lib/spack/spack/compilers/pgi.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.compiler import Compiler, get_compiler_version
 
 
diff --git a/lib/spack/spack/compilers/xl.py b/lib/spack/spack/compilers/xl.py
index 4448efbb98674b878120ffd55ea20d40517a3b51..2f7085fca54da8465231318986471d311c95ba05 100644
--- a/lib/spack/spack/compilers/xl.py
+++ b/lib/spack/spack/compilers/xl.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.compiler import \
     Compiler, get_compiler_version, UnsupportedCompilerFlag
 from spack.version import ver
diff --git a/lib/spack/spack/compilers/xl_r.py b/lib/spack/spack/compilers/xl_r.py
index d926c1d782a024cc7fd74dae6253b72d5a453fa9..18ffe0631d74fabd91604846de9f426fb877ad52 100644
--- a/lib/spack/spack/compilers/xl_r.py
+++ b/lib/spack/spack/compilers/xl_r.py
@@ -1,28 +1,8 @@
-##############################################################################
-# Copyright (c) 2016, International Business Machines Corporation
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Serban Maerean, serban@us.ibm.com based on a similar file,
-# spack/lib/spack/spack/compilers/xl.py, produced by Todd Gamblin,
-# tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.compiler import \
     Compiler, get_compiler_version, UnsupportedCompilerFlag
 from spack.version import ver
diff --git a/lib/spack/spack/concretize.py b/lib/spack/spack/concretize.py
index 58aca31a1fab450cc1a1424e8ce5d28715e24e21..4b12588c56820dbc78b810be5b6d3875c15874d9 100644
--- a/lib/spack/spack/concretize.py
+++ b/lib/spack/spack/concretize.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 Functions here are used to take abstract specs and make them concrete.
 For example, if a spec asks for a version between 1.8 and 1.9, these
diff --git a/lib/spack/spack/config.py b/lib/spack/spack/config.py
index f1f9e8da95d9ee1b9fa89588a6339e49b0845b48..b432d5019dc88040ccc84722d84cc98232ffba13 100644
--- a/lib/spack/spack/config.py
+++ b/lib/spack/spack/config.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 """This module implements Spack's configuration file handling.
diff --git a/lib/spack/spack/database.py b/lib/spack/spack/database.py
index c7a5e218817dee601f5e206a8a4a55365ec5620f..ae643ae72cad707799a3b0771dbf4168600dcc27 100644
--- a/lib/spack/spack/database.py
+++ b/lib/spack/spack/database.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Spack's installation tracking database.
 
 The database serves two purposes:
diff --git a/lib/spack/spack/dependency.py b/lib/spack/spack/dependency.py
index 91136a5c2fd5b4521e9e333c3219aafaeb6afe97..34b9a855374c379efb7b30542979af75724da70b 100644
--- a/lib/spack/spack/dependency.py
+++ b/lib/spack/spack/dependency.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Data structures that represent Spack's dependency relationships.
 """
 from six import string_types
diff --git a/lib/spack/spack/directives.py b/lib/spack/spack/directives.py
index bd843ee8d6d8485a1100eb256098505091fc27ad..9125d55e9afb08524b891d1a4affe7a9ccd1557a 100644
--- a/lib/spack/spack/directives.py
+++ b/lib/spack/spack/directives.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This package contains directives that can be used within a package.
 
 Directives are functions that can be called inside a package
diff --git a/lib/spack/spack/directory_layout.py b/lib/spack/spack/directory_layout.py
index b8da44ca2ae38bbdbf67dfc233adaedaabab769e..9fc0c08d225d03d2f588c5e2f7e2a71621be9247 100644
--- a/lib/spack/spack/directory_layout.py
+++ b/lib/spack/spack/directory_layout.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import shutil
 import glob
diff --git a/lib/spack/spack/environment.py b/lib/spack/spack/environment.py
index fa67cb658b60fb74b1f7b6320cbf106cb2a87748..9fb1c39af0e088ca841344d432c4deecbb5a8674 100644
--- a/lib/spack/spack/environment.py
+++ b/lib/spack/spack/environment.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import collections
 import contextlib
 import inspect
diff --git a/lib/spack/spack/error.py b/lib/spack/spack/error.py
index ac6a81035adccf179127407d31d3dbb2a60a8e0b..e53536d819246b9d313e0bf383c735388f45bd23 100644
--- a/lib/spack/spack/error.py
+++ b/lib/spack/spack/error.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import sys
diff --git a/lib/spack/spack/fetch_strategy.py b/lib/spack/spack/fetch_strategy.py
index 5fdbaa96954b484adbc9813d9503136e7ed283f1..8cabfa10ac97ebc9405f213fd9df58fd260f5af5 100644
--- a/lib/spack/spack/fetch_strategy.py
+++ b/lib/spack/spack/fetch_strategy.py
@@ -1,27 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 Fetch strategies are used to download source code into a staging area
 in order to build it.  They need to define the following methods:
diff --git a/lib/spack/spack/filesystem_view.py b/lib/spack/spack/filesystem_view.py
index 0f8c8c4282556ba653b274ee97c9dbb4fba3e591..d3e9878b32d2a438d249a2078dee4aadffa937cf 100644
--- a/lib/spack/spack/filesystem_view.py
+++ b/lib/spack/spack/filesystem_view.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import filecmp
 import functools as ft
 import os
diff --git a/lib/spack/spack/graph.py b/lib/spack/spack/graph.py
index 3cfaa91c12f2118ee1dff434872de0dd14709437..6b65932e7d5a1f85ca98f80e4c882e727c01ce1f 100644
--- a/lib/spack/spack/graph.py
+++ b/lib/spack/spack/graph.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Functions for graphing DAGs of dependencies.
 
 This file contains code for graphing DAGs of software packages
diff --git a/lib/spack/spack/hooks/__init__.py b/lib/spack/spack/hooks/__init__.py
index b23b641b77975a780becffb76d2391f528e9fdae..b25dfeade25489054672da2a5940a14540bce827 100644
--- a/lib/spack/spack/hooks/__init__.py
+++ b/lib/spack/spack/hooks/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This package contains modules with hooks for various stages in the
    Spack install process.  You can add modules here and they'll be
    executed by package at various times during the package lifecycle.
diff --git a/lib/spack/spack/hooks/extensions.py b/lib/spack/spack/hooks/extensions.py
index 109a23ab1b751ad8f5b20dd5e72bb6a23180e08e..271e01ab2e3cff131654c5a919bb13a8d2774746 100644
--- a/lib/spack/spack/hooks/extensions.py
+++ b/lib/spack/spack/hooks/extensions.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack
 from spack.filesystem_view import YamlFilesystemView
 
diff --git a/lib/spack/spack/hooks/licensing.py b/lib/spack/spack/hooks/licensing.py
index 2b4f78091c9dbc06c3aec6cbf42ba89ba4c5b5ca..bc4d0c2ee2d60a5af14f8e4ac79472010012d203 100644
--- a/lib/spack/spack/hooks/licensing.py
+++ b/lib/spack/spack/hooks/licensing.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/hooks/module_file_generation.py b/lib/spack/spack/hooks/module_file_generation.py
index ce7df4c7175f9598892de6e5395a22f2896b1a2e..5581b20b64c9d0b38be76a9ce2b4ffef76023da6 100644
--- a/lib/spack/spack/hooks/module_file_generation.py
+++ b/lib/spack/spack/hooks/module_file_generation.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.modules
 import spack.modules.common
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/hooks/permissions_setters.py b/lib/spack/spack/hooks/permissions_setters.py
index c5084652de29cb1a63a7486a8503424bb0e0a14e..ceb6105c164706842e94c26b4894475f97a96f3a 100644
--- a/lib/spack/spack/hooks/permissions_setters.py
+++ b/lib/spack/spack/hooks/permissions_setters.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from llnl.util.filesystem import chmod_x, chgrp
diff --git a/lib/spack/spack/hooks/sbang.py b/lib/spack/spack/hooks/sbang.py
index 0fdb77e1a90222c1d2b89238e9832ff407f3ee0e..e03c397d6fdbecd9e3bdaedfc486fbf1ed6ef86d 100644
--- a/lib/spack/spack/hooks/sbang.py
+++ b/lib/spack/spack/hooks/sbang.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import stat
 import re
diff --git a/lib/spack/spack/hooks/yaml_version_check.py b/lib/spack/spack/hooks/yaml_version_check.py
index 0471712332c50da8df04f8515da8610709b3d1c1..57a8fac9991149464f4f67627467ecfe3d0d91c6 100644
--- a/lib/spack/spack/hooks/yaml_version_check.py
+++ b/lib/spack/spack/hooks/yaml_version_check.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Yaml Version Check is a module for ensuring that config file
 formats are compatible with the current version of Spack."""
 import os.path
diff --git a/lib/spack/spack/main.py b/lib/spack/spack/main.py
index 00084cfcf2be415c1455dea89da2055d8e3254c2..9bcbd776a50288ca560dc08ee51d4888bb026fb7 100644
--- a/lib/spack/spack/main.py
+++ b/lib/spack/spack/main.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This is the implementation of the Spack command line executable.
 
 In a normal Spack installation, this is invoked from the bin/spack script
diff --git a/lib/spack/spack/mirror.py b/lib/spack/spack/mirror.py
index c04a769ba4b355cebc0a6ba6187b05366ab57ab9..3310bc53fbd916acfa0e578b5322a61c035d60d2 100644
--- a/lib/spack/spack/mirror.py
+++ b/lib/spack/spack/mirror.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This file contains code for creating spack mirror directories.  A
 mirror is an organized hierarchy containing specially named archive
diff --git a/lib/spack/spack/mixins.py b/lib/spack/spack/mixins.py
index edc67723a16cc48f0791eb9c94ece69b66df911a..bae8ec7494a084776b1bdada84b1dad92af1ad4a 100644
--- a/lib/spack/spack/mixins.py
+++ b/lib/spack/spack/mixins.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module contains additional behavior that can be attached to any given
 package.
 """
diff --git a/lib/spack/spack/modules/__init__.py b/lib/spack/spack/modules/__init__.py
index 4954b8ed8618895e5e5784a6e60a0132f25c91e7..edafb2e57b1ab2e6d43c7b132d583cf5af29afa0 100644
--- a/lib/spack/spack/modules/__init__.py
+++ b/lib/spack/spack/modules/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This package contains code for creating environment modules, which can
 include dotkits, TCL non-hierarchical modules, LUA hierarchical modules, and
 others.
diff --git a/lib/spack/spack/modules/common.py b/lib/spack/spack/modules/common.py
index bf0188a716e6d7523098a3afa7f2a5d9d3ffcd8a..1ed826a84495f4a58d8334ad4482c600956d98c5 100644
--- a/lib/spack/spack/modules/common.py
+++ b/lib/spack/spack/modules/common.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Here we consolidate the logic for creating an abstract description
 of the information that module systems need.
 
diff --git a/lib/spack/spack/modules/dotkit.py b/lib/spack/spack/modules/dotkit.py
index 42cfe24f9fc32d47b671e9bb276c80190feddd37..156a267b4f2393d06e333ffaf37e1c029423ab5a 100644
--- a/lib/spack/spack/modules/dotkit.py
+++ b/lib/spack/spack/modules/dotkit.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module implements the classes necessary to generate dotkit modules."""
 import os.path
 
diff --git a/lib/spack/spack/modules/lmod.py b/lib/spack/spack/modules/lmod.py
index 858b01a395b51d15622c8d9f39db55a769d461fe..ffea55184f0553490d7f855b2f78a4fe5b1db4a3 100644
--- a/lib/spack/spack/modules/lmod.py
+++ b/lib/spack/spack/modules/lmod.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os.path
 
 import llnl.util.lang as lang
diff --git a/lib/spack/spack/modules/tcl.py b/lib/spack/spack/modules/tcl.py
index 05cb393b6554b28363f6d6d1d6439ba6cc94280f..bec4e27d4a592bac79c1da230a1c53ebe12cd61f 100644
--- a/lib/spack/spack/modules/tcl.py
+++ b/lib/spack/spack/modules/tcl.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module implements the classes necessary to generate TCL
 non-hierarchical modules.
 """
diff --git a/lib/spack/spack/multimethod.py b/lib/spack/spack/multimethod.py
index 6ced487d14aad2a5c7d30ecd128af25a4c9ae0f9..a66abe7bf78cc4cedf85644c48ef9c85b94c106a 100644
--- a/lib/spack/spack/multimethod.py
+++ b/lib/spack/spack/multimethod.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module contains utilities for using multi-methods in
 spack. You can think of multi-methods like overloaded methods --
 they're methods with the same name, and we need to select a version
diff --git a/lib/spack/spack/operating_systems/__init__.py b/lib/spack/spack/operating_systems/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/spack/operating_systems/__init__.py
+++ b/lib/spack/spack/operating_systems/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/spack/operating_systems/cnk.py b/lib/spack/spack/operating_systems/cnk.py
index 34cf73e472e62cb51308b16202b5730a78cf0c56..aca4e869f4397a7d93aeff2b1034564cb76447c5 100644
--- a/lib/spack/spack/operating_systems/cnk.py
+++ b/lib/spack/spack/operating_systems/cnk.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.architecture import OperatingSystem
 
 
diff --git a/lib/spack/spack/operating_systems/cnl.py b/lib/spack/spack/operating_systems/cnl.py
index 9be7fe641ac669049943a0c3eac120debe72778f..d0d4e037bef77bbbe8a0310b7de6201f81ba3c95 100644
--- a/lib/spack/spack/operating_systems/cnl.py
+++ b/lib/spack/spack/operating_systems/cnl.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/operating_systems/cray_frontend.py b/lib/spack/spack/operating_systems/cray_frontend.py
index 7aa38272a61dfe37b007c270f1b5a1d0138cd03a..116a4ec802e3316756106ff8f7a455d40d5f6cf4 100644
--- a/lib/spack/spack/operating_systems/cray_frontend.py
+++ b/lib/spack/spack/operating_systems/cray_frontend.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack.operating_systems.linux_distro import LinuxDistro
diff --git a/lib/spack/spack/operating_systems/linux_distro.py b/lib/spack/spack/operating_systems/linux_distro.py
index a54743f258454d61723a00c7b3abf7a19db0247f..a12e08671ea46c3bfd112137cde7fd5cb00ff2e8 100644
--- a/lib/spack/spack/operating_systems/linux_distro.py
+++ b/lib/spack/spack/operating_systems/linux_distro.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 from spack.architecture import OperatingSystem
 
diff --git a/lib/spack/spack/operating_systems/mac_os.py b/lib/spack/spack/operating_systems/mac_os.py
index 6c9354477978da972ea799e6928c9fc57d053d8f..d50cbf32bef144bbb1873d7cafc9157ca10280fb 100644
--- a/lib/spack/spack/operating_systems/mac_os.py
+++ b/lib/spack/spack/operating_systems/mac_os.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import platform as py_platform
 
 from spack.architecture import OperatingSystem
diff --git a/lib/spack/spack/package.py b/lib/spack/spack/package.py
index 77c69cbdabf657eb14a898d688adda3ff8088694..d164f9e01061692fed2e366c469d1fc607a65431 100644
--- a/lib/spack/spack/package.py
+++ b/lib/spack/spack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This is where most of the action happens in Spack.
 
 The spack package class structure is based strongly on Homebrew
diff --git a/lib/spack/spack/package_prefs.py b/lib/spack/spack/package_prefs.py
index 5768c5700c0c7eba7ec3725ae1223f37225baa35..bd400b1eb83b25850bedba352f99461554b06905 100644
--- a/lib/spack/spack/package_prefs.py
+++ b/lib/spack/spack/package_prefs.py
@@ -1,28 +1,10 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import stat
+
 from six import string_types
 from six import iteritems
 
diff --git a/lib/spack/spack/package_test.py b/lib/spack/spack/package_test.py
index c3afd9a43456beba8655c410aef6bc0402978657..29edfc6d382d8d6f11bb57e7fbe2b399e542a8ec 100644
--- a/lib/spack/spack/package_test.py
+++ b/lib/spack/spack/package_test.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack.util.executable import which, Executable
 
diff --git a/lib/spack/spack/parse.py b/lib/spack/spack/parse.py
index 153040434d71159789e5e92d5338c69a2e0076b2..0b3d81d5a100f6cdec22c00982dc336bd993440f 100644
--- a/lib/spack/spack/parse.py
+++ b/lib/spack/spack/parse.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 import shlex
 import sys
diff --git a/lib/spack/spack/patch.py b/lib/spack/spack/patch.py
index f1b6b1a88c878565ef4b1949037c4b34d7718737..a865d429a4249ef07cbe650095d7266955c699df 100644
--- a/lib/spack/spack/patch.py
+++ b/lib/spack/spack/patch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import os.path
 import inspect
diff --git a/lib/spack/spack/paths.py b/lib/spack/spack/paths.py
index f1954cda74bcd9a1ea27cac906e53493398e6d56..d1d1d271360b1d0e62dfc1f09bc60bf521e042ba 100644
--- a/lib/spack/spack/paths.py
+++ b/lib/spack/spack/paths.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Defines paths that are part of Spack's directory structure.
 
 Do not import other ``spack`` modules here. This module is used
diff --git a/lib/spack/spack/pkgkit.py b/lib/spack/spack/pkgkit.py
index a9251335af75cc0fd342042f1ef3da4f77ad9b18..39d1855a014d730ab75b7d1c3a0f1b07f48e4aa9 100644
--- a/lib/spack/spack/pkgkit.py
+++ b/lib/spack/spack/pkgkit.py
@@ -1,28 +1,9 @@
-# flake8: noqa: F401
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+# flake8: noqa: F401
 """pkgkit is a set of useful build tools and directives for packages.
 
 Everything in this module is automatically imported into Spack package files.
diff --git a/lib/spack/spack/platforms/__init__.py b/lib/spack/spack/platforms/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/spack/platforms/__init__.py
+++ b/lib/spack/spack/platforms/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/spack/platforms/bgq.py b/lib/spack/spack/platforms/bgq.py
index 18004d88806b640c4eff4337d563694b9f4c9ba4..9763dfadb3795af5cbbbca33b0a1ed3d4a19b93f 100644
--- a/lib/spack/spack/platforms/bgq.py
+++ b/lib/spack/spack/platforms/bgq.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack.architecture import Platform, Target
 from spack.operating_systems.linux_distro import LinuxDistro
diff --git a/lib/spack/spack/platforms/cray.py b/lib/spack/spack/platforms/cray.py
index 80bf023ab239c585f1c35b26904952ee699d0bed..2190552e2bbf71b119da69857f78956082a08aa1 100644
--- a/lib/spack/spack/platforms/cray.py
+++ b/lib/spack/spack/platforms/cray.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import re
 import llnl.util.tty as tty
diff --git a/lib/spack/spack/platforms/darwin.py b/lib/spack/spack/platforms/darwin.py
index fba3de7fe9e9b51706f2ce3b4e87a64866c82f4c..1a793e4ed2c3788ae747e04a1fda80afc664cc43 100644
--- a/lib/spack/spack/platforms/darwin.py
+++ b/lib/spack/spack/platforms/darwin.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import platform
 from spack.architecture import Platform, Target
 from spack.operating_systems.mac_os import MacOs
diff --git a/lib/spack/spack/platforms/linux.py b/lib/spack/spack/platforms/linux.py
index 0cf906e355e7cc5124f5b1504f83f94cab178723..2c36c24ebc5a2932a7f7e49a9c066458cf7fdb4b 100644
--- a/lib/spack/spack/platforms/linux.py
+++ b/lib/spack/spack/platforms/linux.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import platform
 from spack.architecture import Platform, Target
 from spack.operating_systems.linux_distro import LinuxDistro
diff --git a/lib/spack/spack/platforms/test.py b/lib/spack/spack/platforms/test.py
index fa1c86effa3f4f75b4cc31176019b7e4a413e5a9..18d283347f71659d38d397f90b4513d23eda2de5 100644
--- a/lib/spack/spack/platforms/test.py
+++ b/lib/spack/spack/platforms/test.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.architecture import Platform, Target
 from spack.architecture import OperatingSystem
 
diff --git a/lib/spack/spack/provider_index.py b/lib/spack/spack/provider_index.py
index c0265e381087f5ca2f0ae9ccbd117eac0c1ba2a8..222f98c0d9470933b548a40dc5c34cd7a951a806 100644
--- a/lib/spack/spack/provider_index.py
+++ b/lib/spack/spack/provider_index.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 The ``virtual`` module contains utility classes for virtual dependencies.
 """
diff --git a/lib/spack/spack/relocate.py b/lib/spack/spack/relocate.py
index 6996cc1d5cde0c068d08ba9278690dc814c6b48a..664551740a5a40dd40530a50f51d5abcedbe82a3 100644
--- a/lib/spack/spack/relocate.py
+++ b/lib/spack/spack/relocate.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 import platform
diff --git a/lib/spack/spack/repo.py b/lib/spack/spack/repo.py
index adde47da4ce78650b7bca7f368ba58a889cf389b..7f799193ef83f105d9fd1aefa8aa07a3d5b8320a 100644
--- a/lib/spack/spack/repo.py
+++ b/lib/spack/spack/repo.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import collections
 import os
 import stat
diff --git a/lib/spack/spack/report.py b/lib/spack/spack/report.py
index fca15b126aa6fa91be51a256a0b5155d0730375a..0c54e75a463898aafb4970fcd10d8d3cc678d4d1 100644
--- a/lib/spack/spack/report.py
+++ b/lib/spack/spack/report.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tools to produce reports of spec installations"""
 import codecs
 import collections
diff --git a/lib/spack/spack/reporter.py b/lib/spack/spack/reporter.py
index 36efc44e6ae9d20b6eba7a05de71d3cd47f5920d..17efe23637367b0b47694ce7cbeac50202ad22b6 100644
--- a/lib/spack/spack/reporter.py
+++ b/lib/spack/spack/reporter.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 __all__ = ['Reporter']
 
diff --git a/lib/spack/spack/reporters/__init__.py b/lib/spack/spack/reporters/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/spack/reporters/__init__.py
+++ b/lib/spack/spack/reporters/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/spack/reporters/cdash.py b/lib/spack/spack/reporters/cdash.py
index 9d00e60b20ba1a1585d64c1a47c5466d02f7d402..16251ce7c7936ac0c1c29f8b7f6967f0e5d376ed 100644
--- a/lib/spack/spack/reporters/cdash.py
+++ b/lib/spack/spack/reporters/cdash.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import codecs
 import hashlib
diff --git a/lib/spack/spack/reporters/junit.py b/lib/spack/spack/reporters/junit.py
index 2072cf7576400dfe8c79c97600ba1ed6bb73c5ba..264da413f0d8ee35f26b854a25b4c02272b9da2e 100644
--- a/lib/spack/spack/reporters/junit.py
+++ b/lib/spack/spack/reporters/junit.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import os.path
 
diff --git a/lib/spack/spack/resource.py b/lib/spack/spack/resource.py
index 5d60adfb69e7ccb95a58e9288fb34fc660e3a5fe..da697d4b2f62dc4bd8af9455d8b6a2f73df97dbc 100644
--- a/lib/spack/spack/resource.py
+++ b/lib/spack/spack/resource.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Describes an optional resource needed for a build.
 
 Typically a bunch of sources that can be built in-tree within another
diff --git a/lib/spack/spack/schema/__init__.py b/lib/spack/spack/schema/__init__.py
index df8ecb3ffc091e72ccc455b4d7f56b06c8360a18..f2533f2cc28a69a818c62aa9d2019f040875c389 100644
--- a/lib/spack/spack/schema/__init__.py
+++ b/lib/spack/spack/schema/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This module contains jsonschema files for all of Spack's YAML formats.
 """
 from llnl.util.lang import list_modules
diff --git a/lib/spack/spack/schema/compilers.py b/lib/spack/spack/schema/compilers.py
index fb145b35f39827c965425ab625e9f0fae6acc6b1..ab0976722109e2ed19469b40f2a8e9479d58df67 100644
--- a/lib/spack/spack/schema/compilers.py
+++ b/lib/spack/spack/schema/compilers.py
@@ -1,31 +1,12 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Schema for compilers.yaml configuration file.
 
 .. literalinclude:: ../spack/schema/compilers.py
-   :lines: 32-
+   :lines: 13-
 """
 
 
diff --git a/lib/spack/spack/schema/config.py b/lib/spack/spack/schema/config.py
index ca77a8105b6ed5d9439c3cb04ff56f23d23e5de3..0ebcd74ade71e5db79ca5c81e821b799f80013a5 100644
--- a/lib/spack/spack/schema/config.py
+++ b/lib/spack/spack/schema/config.py
@@ -1,31 +1,12 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Schema for config.yaml configuration file.
 
 .. literalinclude:: ../spack/schema/config.py
-   :lines: 32-
+   :lines: 13-
 """
 
 
diff --git a/lib/spack/spack/schema/mirrors.py b/lib/spack/spack/schema/mirrors.py
index c4f13ababdd460b8a145a351af666d0f6179fc09..88325526606f835f4c9f8b295b106231f23c7ffe 100644
--- a/lib/spack/spack/schema/mirrors.py
+++ b/lib/spack/spack/schema/mirrors.py
@@ -1,31 +1,12 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Schema for mirrors.yaml configuration file.
 
 .. literalinclude:: ../spack/schema/mirrors.py
-   :lines: 32-
+   :lines: 13-
 """
 
 
diff --git a/lib/spack/spack/schema/modules.py b/lib/spack/spack/schema/modules.py
index 458b40b81d722e2eb330e2d533be801eb8478a6a..d1dc9c7605644a902a8fe9e2fe9450e07d2cdda7 100644
--- a/lib/spack/spack/schema/modules.py
+++ b/lib/spack/spack/schema/modules.py
@@ -1,31 +1,12 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Schema for modules.yaml configuration file.
 
 .. literalinclude:: ../spack/schema/modules.py
-   :lines: 32-
+   :lines: 13-
 """
 
 
diff --git a/lib/spack/spack/schema/packages.py b/lib/spack/spack/schema/packages.py
index f9153a837fc6d7faa3e037685b54aeaa248a0c73..a8782fc23b8d58fadb6c0a083be9c6bf31ea5032 100644
--- a/lib/spack/spack/schema/packages.py
+++ b/lib/spack/spack/schema/packages.py
@@ -1,31 +1,12 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Schema for packages.yaml configuration files.
 
 .. literalinclude:: ../spack/schema/packages.py
-   :lines: 32-
+   :lines: 13-
 """
 
 
diff --git a/lib/spack/spack/schema/repos.py b/lib/spack/spack/schema/repos.py
index 8d5b10946aaa986578a4dfac85ff9f3ab4a55307..fc5e5a4276a3f63af35dd0cf705b0975957b4551 100644
--- a/lib/spack/spack/schema/repos.py
+++ b/lib/spack/spack/schema/repos.py
@@ -1,31 +1,12 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Schema for repos.yaml configuration file.
 
 .. literalinclude:: ../spack/schema/repos.py
-   :lines: 32-
+   :lines: 13-
 """
 
 
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index d3bff225839a1693602746ef9f44908c9ce4bab3..eb2e817736ffcebcb269e8cd9c2df562e66463cd 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 Spack allows very fine-grained control over how packages are installed and
 over how they are built and configured.  To make this easy, it has its own
diff --git a/lib/spack/spack/stage.py b/lib/spack/spack/stage.py
index 807a83e5aafaf19d138e30cf5cb6a5ed0d0c05ce..32cdaa0090192bc099b803c7174ff881db3365a5 100644
--- a/lib/spack/spack/stage.py
+++ b/lib/spack/spack/stage.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import stat
 import sys
diff --git a/lib/spack/spack/store.py b/lib/spack/spack/store.py
index 189bef4bd9b4bdc9550aa055f659f7ae79a9a1d0..9deb2089563c03d08460157710bb9725be6ea7bb 100644
--- a/lib/spack/spack/store.py
+++ b/lib/spack/spack/store.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Components that manage Spack's installation tree.
 
 An install tree, or "build store" consists of two parts:
diff --git a/lib/spack/spack/tengine.py b/lib/spack/spack/tengine.py
index c3ce16ac04e8907001e90a7be4964a0282b69d32..fa8e8f283f4cd4144a5a49229f7da2363809b963 100644
--- a/lib/spack/spack/tengine.py
+++ b/lib/spack/spack/tengine.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import textwrap
 
 import jinja2
diff --git a/lib/spack/spack/test/__init__.py b/lib/spack/spack/test/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/spack/test/__init__.py
+++ b/lib/spack/spack/test/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/spack/test/architecture.py b/lib/spack/spack/test/architecture.py
index bc5bca57615dac646a32a0afa471051ba77c9ec4..33a002faad593f155fd517c65a0fa0ddc5e77d77 100644
--- a/lib/spack/spack/test/architecture.py
+++ b/lib/spack/spack/test/architecture.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """ Test checks if the architecture class is created correctly and also that
     the functions are looking for the correct architecture name
 """
diff --git a/lib/spack/spack/test/build_environment.py b/lib/spack/spack/test/build_environment.py
index df88904b4f6718b981dd34e4aafbf5afd5aaaff5..e055bbf99cff31a08ac8e8bec9b1aa135af35aa7 100644
--- a/lib/spack/spack/test/build_environment.py
+++ b/lib/spack/spack/test/build_environment.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import pytest
 
diff --git a/lib/spack/spack/test/build_system_guess.py b/lib/spack/spack/test/build_system_guess.py
index 53bfa4ffb616f6559c9ecf0371af9b433e83b20b..1e115438230e6c96b4260732328c61c580a7b914 100644
--- a/lib/spack/spack/test/build_system_guess.py
+++ b/lib/spack/spack/test/build_system_guess.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 import spack.cmd.create
diff --git a/lib/spack/spack/test/build_systems.py b/lib/spack/spack/test/build_systems.py
index adf40ca3169f0e224ea891486e9721177267ecb6..3bf2390139dfa4de2a8f27fa75cdf8f57b04ec5f 100644
--- a/lib/spack/spack/test/build_systems.py
+++ b/lib/spack/spack/test/build_systems.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import glob
 import os
 import pytest
diff --git a/lib/spack/spack/test/cc.py b/lib/spack/spack/test/cc.py
index c0a4cd1eed21419de7faf97ea791dd84d36b58ea..eb51021eace7292fbba83d36efcca680b8985863 100644
--- a/lib/spack/spack/test/cc.py
+++ b/lib/spack/spack/test/cc.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This test checks that the Spack cc compiler wrapper is parsing
 arguments correctly.
diff --git a/lib/spack/spack/test/cmd/activate.py b/lib/spack/spack/test/cmd/activate.py
index 59a25ff51d8e3b465806874beeb17a00c4ed5bad..86abd80342b4b400c89856dc4cfc69e5283c703a 100644
--- a/lib/spack/spack/test/cmd/activate.py
+++ b/lib/spack/spack/test/cmd/activate.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.main import SpackCommand
 
 activate = SpackCommand('activate')
diff --git a/lib/spack/spack/test/cmd/arch.py b/lib/spack/spack/test/cmd/arch.py
index ce104f7182c993b413d1737e7b22d5055d463399..1f3c14f059d1b025578f0b8548820715c4cbec17 100644
--- a/lib/spack/spack/test/cmd/arch.py
+++ b/lib/spack/spack/test/cmd/arch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.main import SpackCommand
 
 
diff --git a/lib/spack/spack/test/cmd/blame.py b/lib/spack/spack/test/cmd/blame.py
index 3639e2563e0ee4dd9aec320d48a2ee55306a08ad..244fd14a6ad759c9fe03d23ba9859e15089c8774 100644
--- a/lib/spack/spack/test/cmd/blame.py
+++ b/lib/spack/spack/test/cmd/blame.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from llnl.util.filesystem import working_dir
diff --git a/lib/spack/spack/test/cmd/cd.py b/lib/spack/spack/test/cmd/cd.py
index e62432a0e7108931ec14924388d1ec99108a9e14..a566bb57e4cad7be541a43d0db032bd2a121bc4e 100644
--- a/lib/spack/spack/test/cmd/cd.py
+++ b/lib/spack/spack/test/cmd/cd.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.main import SpackCommand
 
 
diff --git a/lib/spack/spack/test/cmd/clean.py b/lib/spack/spack/test/cmd/clean.py
index cb4339c333e09e3ddf3ef46618d955aced82c380..edc2c111f6446854bd7f4472b21cb64d11ef3934 100644
--- a/lib/spack/spack/test/cmd/clean.py
+++ b/lib/spack/spack/test/cmd/clean.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import spack.stage
 import spack.caches
diff --git a/lib/spack/spack/test/cmd/commands.py b/lib/spack/spack/test/cmd/commands.py
index 2d236666cae289ef4de9b02cf0d9bb4da32e6729..0b693a1bab3d99f76f0169a03948fb1567391cd5 100644
--- a/lib/spack/spack/test/cmd/commands.py
+++ b/lib/spack/spack/test/cmd/commands.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 
 from llnl.util.argparsewriter import ArgparseWriter
diff --git a/lib/spack/spack/test/cmd/debug.py b/lib/spack/spack/test/cmd/debug.py
index fe9d57a9c505298a3bce0543310fb3d921f9a1ae..5189487265fd7172f5b183c64e56ea59eab28d82 100644
--- a/lib/spack/spack/test/cmd/debug.py
+++ b/lib/spack/spack/test/cmd/debug.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import os.path
 
diff --git a/lib/spack/spack/test/cmd/dependencies.py b/lib/spack/spack/test/cmd/dependencies.py
index 2dc8d2e8f2abda5df03bed95805a8bb6fce498e0..0583050812ff144c9979abcbbe37c18d21612e54 100644
--- a/lib/spack/spack/test/cmd/dependencies.py
+++ b/lib/spack/spack/test/cmd/dependencies.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 import pytest
 
diff --git a/lib/spack/spack/test/cmd/dependents.py b/lib/spack/spack/test/cmd/dependents.py
index 785716188242cf8d6471dfb303fa9de627c5168b..70019aa4760c01b574965975c34de9953fe8e9d9 100644
--- a/lib/spack/spack/test/cmd/dependents.py
+++ b/lib/spack/spack/test/cmd/dependents.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 
 import pytest
diff --git a/lib/spack/spack/test/cmd/env.py b/lib/spack/spack/test/cmd/env.py
index da489c8c820ce104352fe7fe8ddf9872d3a07937..0a1b1714dde1f49e00df7005dd5178cfd324827e 100644
--- a/lib/spack/spack/test/cmd/env.py
+++ b/lib/spack/spack/test/cmd/env.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from spack.main import SpackCommand, SpackCommandError
diff --git a/lib/spack/spack/test/cmd/find.py b/lib/spack/spack/test/cmd/find.py
index c807ce6b6d8a17804b0a286a1a21373950e4c407..6beaaa9b7e0428be5616cf47a06e4945920896d4 100644
--- a/lib/spack/spack/test/cmd/find.py
+++ b/lib/spack/spack/test/cmd/find.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import pytest
diff --git a/lib/spack/spack/test/cmd/flake8.py b/lib/spack/spack/test/cmd/flake8.py
index c6e19f4a3fd04acdf14af9b4a5277ef924b4927e..295b1c544bd52134b4d23630ec19d4a04e9b8bc0 100644
--- a/lib/spack/spack/test/cmd/flake8.py
+++ b/lib/spack/spack/test/cmd/flake8.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 import os
 import pytest
diff --git a/lib/spack/spack/test/cmd/gpg.py b/lib/spack/spack/test/cmd/gpg.py
index f4e4fc4ec6b342d68487d9d24a3d8ae8733c7693..e962b24c3f8ab1aafb7614e37b44c18bdda0823c 100644
--- a/lib/spack/spack/test/cmd/gpg.py
+++ b/lib/spack/spack/test/cmd/gpg.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import pytest
diff --git a/lib/spack/spack/test/cmd/graph.py b/lib/spack/spack/test/cmd/graph.py
index a5776e4ce2eca9a375e81f870249e09287729f3c..1601f24f92274ed5883fa979aa21f99e82fa0261 100644
--- a/lib/spack/spack/test/cmd/graph.py
+++ b/lib/spack/spack/test/cmd/graph.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.main import SpackCommand, SpackCommandError
 
 import pytest
diff --git a/lib/spack/spack/test/cmd/help.py b/lib/spack/spack/test/cmd/help.py
index 89cfaa3acc29f9bee58d7c2d9e0d5cc20fc4875d..974731440350aeda2b68f19714259c0a2afc52af 100644
--- a/lib/spack/spack/test/cmd/help.py
+++ b/lib/spack/spack/test/cmd/help.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from spack.main import SpackCommand
diff --git a/lib/spack/spack/test/cmd/info.py b/lib/spack/spack/test/cmd/info.py
index 88919a9b069383d4bf6185df820e05621efd32af..404c11befdedfd2a55757b972628c28e1d269303 100644
--- a/lib/spack/spack/test/cmd/info.py
+++ b/lib/spack/spack/test/cmd/info.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 
 import pytest
diff --git a/lib/spack/spack/test/cmd/install.py b/lib/spack/spack/test/cmd/install.py
index 56049271c14830fab096f9b377f87a772225199e..3a3280ce4b6ac61d69f263a603f9400e000a5508 100644
--- a/lib/spack/spack/test/cmd/install.py
+++ b/lib/spack/spack/test/cmd/install.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import argparse
 import os
 import filecmp
diff --git a/lib/spack/spack/test/cmd/list.py b/lib/spack/spack/test/cmd/list.py
index dba6c12350a3ff644667771831c9b85a0f91939a..a05ac8f04f13550242ea7096f6b9a59b2242c2b2 100644
--- a/lib/spack/spack/test/cmd/list.py
+++ b/lib/spack/spack/test/cmd/list.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from spack.main import SpackCommand
diff --git a/lib/spack/spack/test/cmd/mirror.py b/lib/spack/spack/test/cmd/mirror.py
index 1a2e1154dec4d467bb4d72b10895b0718f4f2135..5122bf69b82d6207ac56794a4755b196bad949e0 100644
--- a/lib/spack/spack/test/cmd/mirror.py
+++ b/lib/spack/spack/test/cmd/mirror.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from spack.main import SpackCommand
diff --git a/lib/spack/spack/test/cmd/module.py b/lib/spack/spack/test/cmd/module.py
index 49e327115a8f169fc4a4e5fc1000234cde8455c5..3151594ea3ef68ee2a73b48cb95b708c9d710a4d 100644
--- a/lib/spack/spack/test/cmd/module.py
+++ b/lib/spack/spack/test/cmd/module.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os.path
 
 import pytest
diff --git a/lib/spack/spack/test/cmd/print_shell_vars.py b/lib/spack/spack/test/cmd/print_shell_vars.py
index cc025437918fe4b62fb5936947f298191f5a8e1b..3630c86a710cbb3a4713aadaf6c4261c5be1762c 100644
--- a/lib/spack/spack/test/cmd/print_shell_vars.py
+++ b/lib/spack/spack/test/cmd/print_shell_vars.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.main import print_setup_info
 
 
diff --git a/lib/spack/spack/test/cmd/providers.py b/lib/spack/spack/test/cmd/providers.py
index 20a419257312130806746388110e7f02f095e8ff..f5476073155a8d042ae3c791d21ceef0c633e234 100644
--- a/lib/spack/spack/test/cmd/providers.py
+++ b/lib/spack/spack/test/cmd/providers.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 
diff --git a/lib/spack/spack/test/cmd/python.py b/lib/spack/spack/test/cmd/python.py
index 380d7838ce6bfc76b55764d3bdbf69bc9d647c4d..edfffb879cbc45a91d312d4a26531f3e1c49271b 100644
--- a/lib/spack/spack/test/cmd/python.py
+++ b/lib/spack/spack/test/cmd/python.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack
 from spack.main import SpackCommand
 
diff --git a/lib/spack/spack/test/cmd/spec.py b/lib/spack/spack/test/cmd/spec.py
index 2c7404d28f676d15c5be18965bd8b01861885639..b67d2fd4d82169d3e1d9603972a6912b3adb17d5 100644
--- a/lib/spack/spack/test/cmd/spec.py
+++ b/lib/spack/spack/test/cmd/spec.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 import pytest
 
diff --git a/lib/spack/spack/test/cmd/test_compiler_cmd.py b/lib/spack/spack/test/cmd/test_compiler_cmd.py
index 622342bdb0cc0f8038f74e26e47364d5b9a8eb7f..3ef12769f4428ac7090df6cb8a4b1fe0ff778682 100644
--- a/lib/spack/spack/test/cmd/test_compiler_cmd.py
+++ b/lib/spack/spack/test/cmd/test_compiler_cmd.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import llnl.util.filesystem
 
diff --git a/lib/spack/spack/test/cmd/uninstall.py b/lib/spack/spack/test/cmd/uninstall.py
index 1c187431d15eda862bfbb36e599b5d4ed6d530b5..1acf1ff20bb00434f82e4c883145a5844537db29 100644
--- a/lib/spack/spack/test/cmd/uninstall.py
+++ b/lib/spack/spack/test/cmd/uninstall.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import spack.store
 from spack.main import SpackCommand, SpackCommandError
diff --git a/lib/spack/spack/test/cmd/url.py b/lib/spack/spack/test/cmd/url.py
index f96177d2e5c5ab4384e8ca68fbf21bfebb34f0fb..53f53a1b7862f89ac34bfc5c68586ef138b449a2 100644
--- a/lib/spack/spack/test/cmd/url.py
+++ b/lib/spack/spack/test/cmd/url.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 import pytest
 
diff --git a/lib/spack/spack/test/cmd/versions.py b/lib/spack/spack/test/cmd/versions.py
index e1816ff230c3b67de10d37c4fac2563ba6d5c3a3..45b62a14d633411705bb8d8f6b39a03f8ab466c1 100644
--- a/lib/spack/spack/test/cmd/versions.py
+++ b/lib/spack/spack/test/cmd/versions.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from spack.main import SpackCommand
diff --git a/lib/spack/spack/test/cmd/view.py b/lib/spack/spack/test/cmd/view.py
index 515e7173634b06f1aaf1a0d770aa53252bb3b1e0..df6d7b92cca4a5cb8d353f4f7f46ad1eee0ba350 100644
--- a/lib/spack/spack/test/cmd/view.py
+++ b/lib/spack/spack/test/cmd/view.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.main import SpackCommand
 import os.path
 import pytest
diff --git a/lib/spack/spack/test/compilers.py b/lib/spack/spack/test/compilers.py
index 4e14641b63b59c7d07b12c2928db2b941b54b13a..d7a1fa674326c23f141a4b0509529dc5221a3311 100644
--- a/lib/spack/spack/test/compilers.py
+++ b/lib/spack/spack/test/compilers.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from copy import copy
 from six import iteritems
 
diff --git a/lib/spack/spack/test/concretize.py b/lib/spack/spack/test/concretize.py
index a90b355d84ca32fdc95e00e052bd6adaf4464503..d0574794b29abc1f08821338a57cd7c2db7d3ab4 100644
--- a/lib/spack/spack/test/concretize.py
+++ b/lib/spack/spack/test/concretize.py
@@ -1,27 +1,8 @@
-#############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import llnl.util.lang
 
diff --git a/lib/spack/spack/test/concretize_preferences.py b/lib/spack/spack/test/concretize_preferences.py
index bcb1f0cc211096ecdab46a4e424bf1677aca5d74..dbf2b828cec9c28f7a443d49ffeeac6a57927b03 100644
--- a/lib/spack/spack/test/concretize_preferences.py
+++ b/lib/spack/spack/test/concretize_preferences.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import stat
 
diff --git a/lib/spack/spack/test/config.py b/lib/spack/spack/test/config.py
index 796224853d716a42a89f44fcc735408a94de51a7..ea725473cb41ce1b91213cd8c706a5ec942d2474 100644
--- a/lib/spack/spack/test/config.py
+++ b/lib/spack/spack/test/config.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import collections
 import getpass
diff --git a/lib/spack/spack/test/conftest.py b/lib/spack/spack/test/conftest.py
index 419cbec196cc767fb7989bbc4d62b74cd0252731..f87c84d942a3705f836844574b00e25cbeed8a11 100644
--- a/lib/spack/spack/test/conftest.py
+++ b/lib/spack/spack/test/conftest.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import collections
 import copy
 import inspect
diff --git a/lib/spack/spack/test/data/sourceme_first.sh b/lib/spack/spack/test/data/sourceme_first.sh
index 94fb68dfdf01a1e806f97d36049a0564037a6b4c..c9c8103816bde424918215e8840c31c312d3f8c5 100644
--- a/lib/spack/spack/test/data/sourceme_first.sh
+++ b/lib/spack/spack/test/data/sourceme_first.sh
@@ -1,29 +1,11 @@
 #!/usr/bin/env bash
-
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
 
 export NEW_VAR='new'
 export UNSET_ME='overridden'
diff --git a/lib/spack/spack/test/data/sourceme_parameters.sh b/lib/spack/spack/test/data/sourceme_parameters.sh
index d6703f983ba6ae098ad22e4c089614419d661f3d..1c63e06cd07b40a4aca5b763ca17fdff1f0c78e4 100644
--- a/lib/spack/spack/test/data/sourceme_parameters.sh
+++ b/lib/spack/spack/test/data/sourceme_parameters.sh
@@ -1,29 +1,11 @@
 #!/usr/bin/env bash
-
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
 
 if [[ "$1" == "intel64" ]] ; then
     export FOO='intel64'
diff --git a/lib/spack/spack/test/data/sourceme_second.sh b/lib/spack/spack/test/data/sourceme_second.sh
index 37182ef7e729e7e71b27cd08f9276b860efe716c..bec2619e0d356a4c42f78be6efbade20c72b8650 100644
--- a/lib/spack/spack/test/data/sourceme_second.sh
+++ b/lib/spack/spack/test/data/sourceme_second.sh
@@ -1,29 +1,11 @@
 #!/usr/bin/env bash
-
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
 
 export PATH_LIST='/path/first:/path/second:/path/fourth'
 unset EMPTY_PATH_LIST
diff --git a/lib/spack/spack/test/data/sourceme_unicode.sh b/lib/spack/spack/test/data/sourceme_unicode.sh
index b4f5ddb733d98b77a9ee5cdddb639218581c29d7..61bfa19b906366a617d540d78b0afe7691b9dc44 100644
--- a/lib/spack/spack/test/data/sourceme_unicode.sh
+++ b/lib/spack/spack/test/data/sourceme_unicode.sh
@@ -1,29 +1,11 @@
 #!/usr/bin/env bash
-
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
 
 # Set an environment variable with some unicode in it to ensure that
 # Spack can decode it.
diff --git a/lib/spack/spack/test/database.py b/lib/spack/spack/test/database.py
index 4c5db3089bf0b9b884de3374a6f59ab200864ab7..cc469301a8a6d652036bd8159149ca2f0f60684b 100644
--- a/lib/spack/spack/test/database.py
+++ b/lib/spack/spack/test/database.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 These tests check the database is functioning properly,
 both in memory and in its file
diff --git a/lib/spack/spack/test/directory_layout.py b/lib/spack/spack/test/directory_layout.py
index 2277196a056885947e9333f82803d087309229b2..6584c3c63618a89c6dd0762df7a3891e2c9b84ce 100644
--- a/lib/spack/spack/test/directory_layout.py
+++ b/lib/spack/spack/test/directory_layout.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This test verifies that the Spack directory layout works properly.
 """
diff --git a/lib/spack/spack/test/environment.py b/lib/spack/spack/test/environment.py
index f3272d0e786844aba88a2db0821483aaecbfa1c3..0451f00b5d935b050185a1d8ee7ffa7fadb1b982 100644
--- a/lib/spack/spack/test/environment.py
+++ b/lib/spack/spack/test/environment.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import pytest
diff --git a/lib/spack/spack/test/flag_handlers.py b/lib/spack/spack/test/flag_handlers.py
index 441f3fcbae31d0a34d8cdd2fb2641a65bfda7519..de84a19008fdf27caf2a59542f57646d4a844760 100644
--- a/lib/spack/spack/test/flag_handlers.py
+++ b/lib/spack/spack/test/flag_handlers.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import os
 
diff --git a/lib/spack/spack/test/git_fetch.py b/lib/spack/spack/test/git_fetch.py
index dc925286baa83f6288cd21a312ac5ae27d842adb..81715387566f5739b3aa0d52407cebe14cdf8eeb 100644
--- a/lib/spack/spack/test/git_fetch.py
+++ b/lib/spack/spack/test/git_fetch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import pytest
diff --git a/lib/spack/spack/test/graph.py b/lib/spack/spack/test/graph.py
index 1eeb9fd8268470165475638600b795a312d1adcb..d1de8db8cb1ce44582df86cda726d2d581d7a5bc 100644
--- a/lib/spack/spack/test/graph.py
+++ b/lib/spack/spack/test/graph.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from six import StringIO
 
 from spack.spec import Spec
diff --git a/lib/spack/spack/test/hg_fetch.py b/lib/spack/spack/test/hg_fetch.py
index e36f1ebb8486e93445d6296792e809ae70c5f825..b9fa6a1e6d7a9bdbc7dd9f7750126788c29de948 100644
--- a/lib/spack/spack/test/hg_fetch.py
+++ b/lib/spack/spack/test/hg_fetch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import pytest
diff --git a/lib/spack/spack/test/install.py b/lib/spack/spack/test/install.py
index 739f9cbc75480660a79bbf61a578f9323db56843..a63c149d3df37510657a6eff0984276642b82349 100644
--- a/lib/spack/spack/test/install.py
+++ b/lib/spack/spack/test/install.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import pytest
 
diff --git a/lib/spack/spack/test/llnl/util/file_list.py b/lib/spack/spack/test/llnl/util/file_list.py
index 6499befd3ce6f803722860c45d60ac3caf28e2ee..e54e479e142125c20a13c4baecb69a021281b760 100644
--- a/lib/spack/spack/test/llnl/util/file_list.py
+++ b/lib/spack/spack/test/llnl/util/file_list.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import fnmatch
 
diff --git a/lib/spack/spack/test/llnl/util/filesystem.py b/lib/spack/spack/test/llnl/util/filesystem.py
index 24ab02a6134f97bb47ad277ef47ff18375007b1a..33857854febbf46ecfb7b352f1668412f132919b 100644
--- a/lib/spack/spack/test/llnl/util/filesystem.py
+++ b/lib/spack/spack/test/llnl/util/filesystem.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests for ``llnl/util/filesystem.py``"""
 
 import llnl.util.filesystem as fs
diff --git a/lib/spack/spack/test/llnl/util/lang.py b/lib/spack/spack/test/llnl/util/lang.py
index 7d39a796f01fabd8e1487b1cfe9fb90d0abf6aa5..eec75f036f7b5849d5a946b5f4179c31ed1f1c83 100644
--- a/lib/spack/spack/test/llnl/util/lang.py
+++ b/lib/spack/spack/test/llnl/util/lang.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 from datetime import datetime, timedelta
diff --git a/lib/spack/spack/test/llnl/util/link_tree.py b/lib/spack/spack/test/llnl/util/link_tree.py
index b4808ce0f7fb6912754d271e88cbb62b4cd44ae7..0c526512f98156161749a43d16594fb49cd17ba5 100644
--- a/lib/spack/spack/test/llnl/util/link_tree.py
+++ b/lib/spack/spack/test/llnl/util/link_tree.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import pytest
diff --git a/lib/spack/spack/test/llnl/util/lock.py b/lib/spack/spack/test/llnl/util/lock.py
index c1e6de018e9bb894a715a807556b3f6f6d0da311..1991c9640b35d80b5ec1567a24ad1c415f36a01b 100644
--- a/lib/spack/spack/test/llnl/util/lock.py
+++ b/lib/spack/spack/test/llnl/util/lock.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """These tests ensure that our lock works correctly.
 
 This can be run in two ways.
diff --git a/lib/spack/spack/test/llnl/util/log.py b/lib/spack/spack/test/llnl/util/log.py
index f0343e271f33b3f9b34200b5403d96a1a3963c75..530c4b8be6ec8cac514dc3d75f80ecf433997378 100644
--- a/lib/spack/spack/test/llnl/util/log.py
+++ b/lib/spack/spack/test/llnl/util/log.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 import pytest
 
diff --git a/lib/spack/spack/test/make_executable.py b/lib/spack/spack/test/make_executable.py
index 16947861ab5cced0e6b8d702210ff426a3988eea..08dbe4edf7a37449cb0201217145d2e5dd371b0a 100644
--- a/lib/spack/spack/test/make_executable.py
+++ b/lib/spack/spack/test/make_executable.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 Tests for Spack's built-in parallel make support.
 
diff --git a/lib/spack/spack/test/mirror.py b/lib/spack/spack/test/mirror.py
index 998f4e20536564d64852d094639cf3e862bdd4cd..d59f958481b0f3be53a61f29ba13f2077bb05741 100644
--- a/lib/spack/spack/test/mirror.py
+++ b/lib/spack/spack/test/mirror.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import filecmp
 import os
 import pytest
diff --git a/lib/spack/spack/test/module_parsing.py b/lib/spack/spack/test/module_parsing.py
index f1cea356b5ff519272f60759e6003de1596cb135..3ff7e764a9a462d1a321dcaf73ea0fb537cfd2cb 100644
--- a/lib/spack/spack/test/module_parsing.py
+++ b/lib/spack/spack/test/module_parsing.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import subprocess
 import os
diff --git a/lib/spack/spack/test/modules/common.py b/lib/spack/spack/test/modules/common.py
index b73e5aa9755db80f7f923bcb536a96c105e18950..63d3f562fdba10ca85f7b14840f8951a3774afd9 100644
--- a/lib/spack/spack/test/modules/common.py
+++ b/lib/spack/spack/test/modules/common.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import spack.modules.common
 
diff --git a/lib/spack/spack/test/modules/conftest.py b/lib/spack/spack/test/modules/conftest.py
index 1acf5d7e7596aa2c6cbcaa418651504c28114833..5e5133ec9c2bb71e4a390504660e7c13677716cd 100644
--- a/lib/spack/spack/test/modules/conftest.py
+++ b/lib/spack/spack/test/modules/conftest.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os.path
 import collections
 import contextlib
diff --git a/lib/spack/spack/test/modules/dotkit.py b/lib/spack/spack/test/modules/dotkit.py
index 7885df91e4ab877804b16b76e17be39481836521..f97bc1421629d64fe0c8ed97ef54cd507a45752b 100644
--- a/lib/spack/spack/test/modules/dotkit.py
+++ b/lib/spack/spack/test/modules/dotkit.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 import spack.modules.dotkit
diff --git a/lib/spack/spack/test/modules/lmod.py b/lib/spack/spack/test/modules/lmod.py
index b262ab7b5b782ddd7093ba2b97bb39a10dfac466..fe97ae991091407b1f7668b6a602572d3c75b774 100644
--- a/lib/spack/spack/test/modules/lmod.py
+++ b/lib/spack/spack/test/modules/lmod.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import re
 import pytest
diff --git a/lib/spack/spack/test/modules/tcl.py b/lib/spack/spack/test/modules/tcl.py
index 21e9ae02092261bd12db1ba9e12b9790a9e34363..9846b2048230daa83a775baa2171c80da91d41d3 100644
--- a/lib/spack/spack/test/modules/tcl.py
+++ b/lib/spack/spack/test/modules/tcl.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 import spack.modules.common
diff --git a/lib/spack/spack/test/multimethod.py b/lib/spack/spack/test/multimethod.py
index e9262f1c0a8f83d918536c3ed2e461d7a579ce3b..de694c149804547d17139fc1ab8187164ae6fe6a 100644
--- a/lib/spack/spack/test/multimethod.py
+++ b/lib/spack/spack/test/multimethod.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Test for multi_method dispatch."""
 import pytest
 
diff --git a/lib/spack/spack/test/namespace_trie.py b/lib/spack/spack/test/namespace_trie.py
index 48791bd20d2c401da7a972019516dad2303b96ad..6c64c71f005452645bd70814347e4110e8d0118b 100644
--- a/lib/spack/spack/test/namespace_trie.py
+++ b/lib/spack/spack/test/namespace_trie.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 import spack.util.naming
diff --git a/lib/spack/spack/test/optional_deps.py b/lib/spack/spack/test/optional_deps.py
index 0c54fe8d7786530f8ed1f2efefdd21fabe7d7acb..bac942618b7812ed8a65b0541461752853252675 100644
--- a/lib/spack/spack/test/optional_deps.py
+++ b/lib/spack/spack/test/optional_deps.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 from spack.spec import Spec
 
diff --git a/lib/spack/spack/test/package_hash.py b/lib/spack/spack/test/package_hash.py
index 9651805022757c4756074d282a9bb18b77edd1bd..89fe8e929458f63c94385f945eec0d7fc316e0ed 100644
--- a/lib/spack/spack/test/package_hash.py
+++ b/lib/spack/spack/test/package_hash.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://software.llnl.gov/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License (as published by
-# the Free Software Foundation) version 2.1 dated February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.util.package_hash import package_hash, package_content
 from spack.spec import Spec
 
diff --git a/lib/spack/spack/test/package_sanity.py b/lib/spack/spack/test/package_sanity.py
index 74890664a694ccb267256ccdd47744aa8e53ef0b..4e22ee29ad62c90a28312fb53f77ed88be4c53fc 100644
--- a/lib/spack/spack/test/package_sanity.py
+++ b/lib/spack/spack/test/package_sanity.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """This test does sanity checks on Spack's builtin package database."""
 import re
 
diff --git a/lib/spack/spack/test/packages.py b/lib/spack/spack/test/packages.py
index 296a26347989b5fa1552933323c4e30c1b0db38c..1206d274ce07d4924b00a9f730e4e652c0725f6c 100644
--- a/lib/spack/spack/test/packages.py
+++ b/lib/spack/spack/test/packages.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os.path
 import pytest
 
diff --git a/lib/spack/spack/test/packaging.py b/lib/spack/spack/test/packaging.py
index 2bc37cdd86d6f9019035c5790eb9c290424fb2be..2b673f217ebedb54e1c153502eb63435b0ef1b4e 100644
--- a/lib/spack/spack/test/packaging.py
+++ b/lib/spack/spack/test/packaging.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This test checks the binary packaging infrastructure
 """
diff --git a/lib/spack/spack/test/patch.py b/lib/spack/spack/test/patch.py
index 0b16a3f5be8aa9f2cc444459648798150fb27104..e606c9113a4f77cb76169bfcfe90078426d2614c 100644
--- a/lib/spack/spack/test/patch.py
+++ b/lib/spack/spack/test/patch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 import filecmp
diff --git a/lib/spack/spack/test/pattern.py b/lib/spack/spack/test/pattern.py
index 7553b70fac1eb9b65e75ebf75df80f8b5d3f5f8c..fc2c85735d67a5ed20e9fa2ca0119e3eeb5cc467 100644
--- a/lib/spack/spack/test/pattern.py
+++ b/lib/spack/spack/test/pattern.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 import spack.util.pattern as pattern
diff --git a/lib/spack/spack/test/provider_index.py b/lib/spack/spack/test/provider_index.py
index 3cf6d7b30d066e53e6113918dce25ecd35fa6f65..dfa9ef37fc3258e2b97cf1471caea065bf08c812 100644
--- a/lib/spack/spack/test/provider_index.py
+++ b/lib/spack/spack/test/provider_index.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests for provider index cache files.
 
 Tests assume that mock packages provide this::
diff --git a/lib/spack/spack/test/python_version.py b/lib/spack/spack/test/python_version.py
index 312e6ce37a6cbbd1da2d956f04c031915877e993..4e2a4b41f1380dec959cc34948d204075804a480 100644
--- a/lib/spack/spack/test/python_version.py
+++ b/lib/spack/spack/test/python_version.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Check that Spack complies with minimum supported python versions.
 
 We ensure that all Spack files work with Python2 >= 2.6 and Python3 >= 3.0.
diff --git a/lib/spack/spack/test/repo.py b/lib/spack/spack/test/repo.py
index 789f0c2dec1ce102a2a47915ed582e5f8c349d42..3dcb9eaf9f69a1497257b49e671f9ee52a354b58 100644
--- a/lib/spack/spack/test/repo.py
+++ b/lib/spack/spack/test/repo.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 
 import spack.repo
diff --git a/lib/spack/spack/test/sbang.py b/lib/spack/spack/test/sbang.py
index 71212afabd99a376d0aa391f8d733135d7f7a2d1..6e2248360850b2d3d0ef7c5dbb68ca72edd72e87 100644
--- a/lib/spack/spack/test/sbang.py
+++ b/lib/spack/spack/test/sbang.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """\
 Test that Spack's shebang filtering works correctly.
 """
diff --git a/lib/spack/spack/test/spack_yaml.py b/lib/spack/spack/test/spack_yaml.py
index e84e356e8abdae8a3fedc54eac2418187348b8af..b05aacf4b222238c7e5586647b308fa23a198893 100644
--- a/lib/spack/spack/test/spack_yaml.py
+++ b/lib/spack/spack/test/spack_yaml.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Test Spack's custom YAML format."""
 
 import pytest
diff --git a/lib/spack/spack/test/spec_dag.py b/lib/spack/spack/test/spec_dag.py
index a9abe278a3e95cf4d1c462f3cd813eed32c54148..7d29e5da34c636e89066fc7716387716ab9e36bf 100644
--- a/lib/spack/spack/test/spec_dag.py
+++ b/lib/spack/spack/test/spec_dag.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 These tests check Spec DAG operations using dummy packages.
 """
diff --git a/lib/spack/spack/test/spec_semantics.py b/lib/spack/spack/test/spec_semantics.py
index 199f94e50d51057275a40a3d395f6ec4a0f133e6..d24c38fafc6f46d48b669711171b4bc5aaa53a1e 100644
--- a/lib/spack/spack/test/spec_semantics.py
+++ b/lib/spack/spack/test/spec_semantics.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import spack.architecture
 import pytest
 
diff --git a/lib/spack/spack/test/spec_syntax.py b/lib/spack/spack/test/spec_syntax.py
index 98f0c31df518bb2c32339f818a294ff74cbefa67..fc8cec097ac37fc76c2cf8be12d732ce0747b80b 100644
--- a/lib/spack/spack/test/spec_syntax.py
+++ b/lib/spack/spack/test/spec_syntax.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import pytest
 import shlex
 
diff --git a/lib/spack/spack/test/spec_yaml.py b/lib/spack/spack/test/spec_yaml.py
index fe118fea492ca53831e7490822bf5b68b0345139..5e5ac3790424d956ea708b33593404842bbf6f56 100644
--- a/lib/spack/spack/test/spec_yaml.py
+++ b/lib/spack/spack/test/spec_yaml.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Test YAML serialization for specs.
 
 YAML format preserves DAG information in the spec.
diff --git a/lib/spack/spack/test/stage.py b/lib/spack/spack/test/stage.py
index 077a4b0a10c78f5d927476f6aa3504afd6e67a5f..971033472a3e414aa5a5ebcdc3c7515f4550b35b 100644
--- a/lib/spack/spack/test/stage.py
+++ b/lib/spack/spack/test/stage.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Test that the Stage class works correctly."""
 import os
 import collections
diff --git a/lib/spack/spack/test/svn_fetch.py b/lib/spack/spack/test/svn_fetch.py
index fc86c0ae0d5e1e781250bb044f74e59c345aa1a7..129c38587a3f92e85bcf0d9cebea5222c6147085 100644
--- a/lib/spack/spack/test/svn_fetch.py
+++ b/lib/spack/spack/test/svn_fetch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import pytest
diff --git a/lib/spack/spack/test/tengine.py b/lib/spack/spack/test/tengine.py
index 5cfcb6d3df8881fe152bf626b5ff832fffa1dc8c..c9cfbc59d093b6b33696f60b617a78cd33ee4a41 100644
--- a/lib/spack/spack/test/tengine.py
+++ b/lib/spack/spack/test/tengine.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 import spack.tengine as tengine
diff --git a/lib/spack/spack/test/test_activations.py b/lib/spack/spack/test/test_activations.py
index d9b69446a9a0952fac5b4d096a995b5c03dab0b5..35f1d0c87d8099165053f2a90ead7d23cece8d4e 100644
--- a/lib/spack/spack/test/test_activations.py
+++ b/lib/spack/spack/test/test_activations.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import pytest
 import sys
diff --git a/lib/spack/spack/test/url_fetch.py b/lib/spack/spack/test/url_fetch.py
index fb4165f4b232b13c3fc2ba7baad21a741d14a539..f81521c2b0768fb71465d97aa23be02e7190f275 100644
--- a/lib/spack/spack/test/url_fetch.py
+++ b/lib/spack/spack/test/url_fetch.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import pytest
 
diff --git a/lib/spack/spack/test/url_parse.py b/lib/spack/spack/test/url_parse.py
index 9603a912131f528b65faf05a4adf9942a961dd6f..7dcdb364248577d2c07071328683f358fdbb8bad 100644
--- a/lib/spack/spack/test/url_parse.py
+++ b/lib/spack/spack/test/url_parse.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests Spack's ability to parse the name and version of a package
 based on its URL.
 """
diff --git a/lib/spack/spack/test/url_substitution.py b/lib/spack/spack/test/url_substitution.py
index 39c314e5173cd7a50b566b94a5fd6d29560c769a..a07a9bf6f0b8c7e3c42740513034ad75083ec1b6 100644
--- a/lib/spack/spack/test/url_substitution.py
+++ b/lib/spack/spack/test/url_substitution.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests Spack's ability to substitute a different version into a URL."""
 
 import os
diff --git a/lib/spack/spack/test/util/file_cache.py b/lib/spack/spack/test/util/file_cache.py
index 4079a8d1600ab01da2d51bb6157abf45173f9f85..fc1391c8e6d84a72adae53133555d5b7a0babe5b 100644
--- a/lib/spack/spack/test/util/file_cache.py
+++ b/lib/spack/spack/test/util/file_cache.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Test Spack's FileCache."""
 import os
 
diff --git a/lib/spack/spack/test/util/log_parser.py b/lib/spack/spack/test/util/log_parser.py
index a3c6ed0f81ec4788f985a90774d1227c2a6283db..976b720fa829c0de8b00b2b9e374b0352886f745 100644
--- a/lib/spack/spack/test/util/log_parser.py
+++ b/lib/spack/spack/test/util/log_parser.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from ctest_log_parser import CTestLogParser
 
 
diff --git a/lib/spack/spack/test/util/prefix.py b/lib/spack/spack/test/util/prefix.py
index c21f5bf19045cb788437d8c25a52e3828905cbcc..f312afbc29d9065210c075a4b75d6e15cff28874 100644
--- a/lib/spack/spack/test/util/prefix.py
+++ b/lib/spack/spack/test/util/prefix.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests various features of :py:class:`spack.util.prefix.Prefix`"""
 
 from spack.util.prefix import Prefix
diff --git a/lib/spack/spack/test/util/spack_lock_wrapper.py b/lib/spack/spack/test/util/spack_lock_wrapper.py
index 03fbb7d791dd737f8af3776cf63029faca054cf1..fd06d6b386e52196053fa7349aad9390ac178a26 100644
--- a/lib/spack/spack/test/util/spack_lock_wrapper.py
+++ b/lib/spack/spack/test/util/spack_lock_wrapper.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests for Spack's wrapper module around llnl.util.lock."""
 import os
 
diff --git a/lib/spack/spack/test/util/spack_yaml.py b/lib/spack/spack/test/util/spack_yaml.py
index 7790b74c1c7486ff0fcf7903e4451042069564ed..d14e2de3a1e6c23d9b6291b7ac3a70cdbc163983 100644
--- a/lib/spack/spack/test/util/spack_yaml.py
+++ b/lib/spack/spack/test/util/spack_yaml.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 
 import spack.config
diff --git a/lib/spack/spack/test/util/util_string.py b/lib/spack/spack/test/util/util_string.py
index 48a6c60c45c86c943e76296d9c1e0967a95d317a..205fd1105f9120733a580979d1b275e4efdd1ead 100644
--- a/lib/spack/spack/test/util/util_string.py
+++ b/lib/spack/spack/test/util/util_string.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.util.string import plural
 
 
diff --git a/lib/spack/spack/test/variant.py b/lib/spack/spack/test/variant.py
index 65516a5123fc82747125413c9a6f1ba77f979cbd..0bbab46efa0f24edfed7fff26ec10e7fbc52ae19 100644
--- a/lib/spack/spack/test/variant.py
+++ b/lib/spack/spack/test/variant.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import pytest
 import numbers
diff --git a/lib/spack/spack/test/versions.py b/lib/spack/spack/test/versions.py
index 50c1dcb83a6429620fe0b39897a9b12c17b731d8..1a56b921b36126da65f5ab3663ea31df86737e3e 100644
--- a/lib/spack/spack/test/versions.py
+++ b/lib/spack/spack/test/versions.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """These version tests were taken from the RPM source code.
 We try to maintain compatibility with RPM's version semantics
 where it makes sense.
diff --git a/lib/spack/spack/test/views.py b/lib/spack/spack/test/views.py
index 0981d0501517b64210309ba1be070df50870f68a..827c9f0a3fb99d608407b6d124fa6fccfa8daa85 100644
--- a/lib/spack/spack/test/views.py
+++ b/lib/spack/spack/test/views.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack.spec import Spec
diff --git a/lib/spack/spack/test/web.py b/lib/spack/spack/test/web.py
index 82f9b9bbdc8b4eb27a0af0b151582e1476426b6a..07e1f656fad7c116f055c0e526ad191240cb7b7f 100644
--- a/lib/spack/spack/test/web.py
+++ b/lib/spack/spack/test/web.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Tests for web.py."""
 import os
 
diff --git a/lib/spack/spack/url.py b/lib/spack/spack/url.py
index ddcfe9c17e65ad56b06abf14ab7706398e653b02..644ff53bbfce9e63c9e6580e747f3278a2f662f8 100644
--- a/lib/spack/spack/url.py
+++ b/lib/spack/spack/url.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This module has methods for parsing names and versions of packages from URLs.
 The idea is to allow package creators to supply nothing more than the
diff --git a/lib/spack/spack/util/__init__.py b/lib/spack/spack/util/__init__.py
index 0e81cb3b36878d74a8a891e2de508acd31ae82d7..4f442db4586facacd76bdc62ead21bda4cdd7fdf 100644
--- a/lib/spack/spack/util/__init__.py
+++ b/lib/spack/spack/util/__init__.py
@@ -1,24 +1,4 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
diff --git a/lib/spack/spack/util/compression.py b/lib/spack/spack/util/compression.py
index 7c530929ad5e606beae9066dd654766d1c9c8787..93c91dc49c772e4f9b6d28a880c148ad466d355a 100644
--- a/lib/spack/spack/util/compression.py
+++ b/lib/spack/spack/util/compression.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 import os
 from itertools import product
diff --git a/lib/spack/spack/util/crypto.py b/lib/spack/spack/util/crypto.py
index c2b536d50b49cbb69ef5b4eb6588f4c0933993c6..34e62e218a30276a3272a766f0e74788dfaeeb28 100644
--- a/lib/spack/spack/util/crypto.py
+++ b/lib/spack/spack/util/crypto.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 import hashlib
 
diff --git a/lib/spack/spack/util/debug.py b/lib/spack/spack/util/debug.py
index 3f3eb51fbfcbd496c5fafa6e3af05e7b79f41fd6..99c9770aa2987e10223f650d8c404e3f43b2b369 100644
--- a/lib/spack/spack/util/debug.py
+++ b/lib/spack/spack/util/debug.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Debug signal handler: prints a stack trace and enters interpreter.
 
 ``register_interrupt_handler()`` enables a ctrl-C handler that prints
diff --git a/lib/spack/spack/util/editor.py b/lib/spack/spack/util/editor.py
index f0f05fc34596b738e8481250345421612f4ec9d9..730eb9fa3ac296edb3d3f11be19e56f1507f9df5 100644
--- a/lib/spack/spack/util/editor.py
+++ b/lib/spack/spack/util/editor.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Module for finding the user's preferred text editor.
 
 Defines one variable: ``editor``, which is a
diff --git a/lib/spack/spack/util/environment.py b/lib/spack/spack/util/environment.py
index 751010a835197d5837982d64640a8dd679ecde6a..f8f5e23144b515dadc167e800818662b87644716 100644
--- a/lib/spack/spack/util/environment.py
+++ b/lib/spack/spack/util/environment.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import contextlib
 import os
 
diff --git a/lib/spack/spack/util/executable.py b/lib/spack/spack/util/executable.py
index e64845f0ef7cf2923155a3b87288e29dc71c61df..e1d7b49016af0d6dc5daec743beaace24512ba59 100644
--- a/lib/spack/spack/util/executable.py
+++ b/lib/spack/spack/util/executable.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import re
 import subprocess
diff --git a/lib/spack/spack/util/file_cache.py b/lib/spack/spack/util/file_cache.py
index dd590c646e52c979fa8373130713d4ebb7ade69d..6e6ef3037f065fb892a994f0c3c202ec6b3e04ae 100644
--- a/lib/spack/spack/util/file_cache.py
+++ b/lib/spack/spack/util/file_cache.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import shutil
 
diff --git a/lib/spack/spack/util/gpg.py b/lib/spack/spack/util/gpg.py
index 62f9bd76effe2725a401ef521dd9f2da679baa5f..77979047b0adda4b95b6c30468177b9f74ad81dc 100644
--- a/lib/spack/spack/util/gpg.py
+++ b/lib/spack/spack/util/gpg.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import spack.paths
diff --git a/lib/spack/spack/util/imp/__init__.py b/lib/spack/spack/util/imp/__init__.py
index 86392c3f3003911e882bb0515c262a973df0ad06..4d6ef756ca8f5579a70a6f1373d41f66de319590 100644
--- a/lib/spack/spack/util/imp/__init__.py
+++ b/lib/spack/spack/util/imp/__init__.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Consolidated module for all imports done by Spack.
 
 Many parts of Spack have to import Python code. This utility package
diff --git a/lib/spack/spack/util/imp/imp_importer.py b/lib/spack/spack/util/imp/imp_importer.py
index b023517c4c66d36ca554e8e53e6da2d553ceebf7..2949ef3b3e3dba198dbde2873de1340abbb42fbd 100644
--- a/lib/spack/spack/util/imp/imp_importer.py
+++ b/lib/spack/spack/util/imp/imp_importer.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Implementation of Spack imports that uses imp underneath.
 
 ``imp`` is deprecated in newer versions of Python, but is the only option
diff --git a/lib/spack/spack/util/imp/importlib_importer.py b/lib/spack/spack/util/imp/importlib_importer.py
index cacf9598170b2472cf243b0659edf34f1b6670a5..a36d13e67b61c8c06f68b95a4eb8fa1c57f2e29a 100644
--- a/lib/spack/spack/util/imp/importlib_importer.py
+++ b/lib/spack/spack/util/imp/importlib_importer.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Implementation of Spack imports that uses importlib underneath.
 
 ``importlib`` is only fully implemented in Python 3.
diff --git a/lib/spack/spack/util/lock.py b/lib/spack/spack/util/lock.py
index b01a0951ee27bf9e7173a45f5f8e0a076269925c..05efe14d8d9e83db5954e255da73d5c945941dc5 100644
--- a/lib/spack/spack/util/lock.py
+++ b/lib/spack/spack/util/lock.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Wrapper for ``llnl.util.lock`` allows locking to be enabled/disabled."""
 import os
 import stat
diff --git a/lib/spack/spack/util/log_parse.py b/lib/spack/spack/util/log_parse.py
index a5a3dbb7f41359912005a93e778dc4949d429eb5..36b3312ec891a8dc91e73d554850b9aa87282b05 100644
--- a/lib/spack/spack/util/log_parse.py
+++ b/lib/spack/spack/util/log_parse.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import sys
diff --git a/lib/spack/spack/util/module_cmd.py b/lib/spack/spack/util/module_cmd.py
index 8b268b9848022c9375987eed2555fbe90700adf5..69a48306af49aba414c10310877b2bbcbdc090f4 100644
--- a/lib/spack/spack/util/module_cmd.py
+++ b/lib/spack/spack/util/module_cmd.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This module contains routines related to the module command for accessing and
 parsing environment modules.
diff --git a/lib/spack/spack/util/naming.py b/lib/spack/spack/util/naming.py
index 98d4081868d0e5fa343436eb41327c060782c6fc..949189a3ca3620a93eaea267dd3c1d754029dfc2 100644
--- a/lib/spack/spack/util/naming.py
+++ b/lib/spack/spack/util/naming.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # Need this because of spack.util.string
 from __future__ import absolute_import
 import string
diff --git a/lib/spack/spack/util/package_hash.py b/lib/spack/spack/util/package_hash.py
index 904234baf3779a68bf703563d8c86ba8554b74ab..c7354e97cfd0c66e52c6ee4ced8beb450776086a 100644
--- a/lib/spack/spack/util/package_hash.py
+++ b/lib/spack/spack/util/package_hash.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://software.llnl.gov/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License (as published by
-# the Free Software Foundation) version 2.1 dated February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this program; if not, write to the Free Software Foundation,
-# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import ast
 import hashlib
 
diff --git a/lib/spack/spack/util/path.py b/lib/spack/spack/util/path.py
index 91126e5d319d4a144522eed5c39e7b683cd3acb4..dc866984d625fdb85f4d3fe86efd792e0831444d 100644
--- a/lib/spack/spack/util/path.py
+++ b/lib/spack/spack/util/path.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Utilities for managing paths in Spack.
 
 TODO: this is really part of spack.config. Consolidate it.
diff --git a/lib/spack/spack/util/pattern.py b/lib/spack/spack/util/pattern.py
index 5ced4d8cfd09ec713d41939c9bdb9868faaf6119..32ee3421352a644a65546950bf6d28965bb42782 100644
--- a/lib/spack/spack/util/pattern.py
+++ b/lib/spack/spack/util/pattern.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import inspect
 import collections
 import functools
diff --git a/lib/spack/spack/util/prefix.py b/lib/spack/spack/util/prefix.py
index ce6f86985e5523781de7c4135701668baeeb15af..60f8408b5a28425155f9bbd28c48b3868579b438 100644
--- a/lib/spack/spack/util/prefix.py
+++ b/lib/spack/spack/util/prefix.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This file contains utilities for managing the installation prefix of a package.
 """
diff --git a/lib/spack/spack/util/spack_json.py b/lib/spack/spack/util/spack_json.py
index cc758f134a0b2dc2836b26affb208610f42cd03d..a56b6283d39cc500bcc9b601b27cafdf43a0d246 100644
--- a/lib/spack/spack/util/spack_json.py
+++ b/lib/spack/spack/util/spack_json.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Simple wrapper around JSON to guarantee consistent use of load/dump. """
 import sys
 import json
diff --git a/lib/spack/spack/util/spack_yaml.py b/lib/spack/spack/util/spack_yaml.py
index 5492ebe26efcd9765a681a43b0703a2d77d2e8b1..ee4b37388cf59fb3f8133ccb9ac5568cc9716f32 100644
--- a/lib/spack/spack/util/spack_yaml.py
+++ b/lib/spack/spack/util/spack_yaml.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """Enhanced YAML parsing for Spack.
 
 - ``load()`` preserves YAML Marks on returned objects -- this allows
diff --git a/lib/spack/spack/util/string.py b/lib/spack/spack/util/string.py
index a6a5342f1f7fbe0618185061e9e1336d9070b0c0..10f932b986dbffd9dfd96830e10ef7db7aa897bc 100644
--- a/lib/spack/spack/util/string.py
+++ b/lib/spack/spack/util/string.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 
 def comma_list(sequence, article=''):
diff --git a/lib/spack/spack/util/web.py b/lib/spack/spack/util/web.py
index 9777859fa8602060c444d717bc99a090a5360523..f04507dae75068693f381aaf620dcd186d67f7e6 100644
--- a/lib/spack/spack/util/web.py
+++ b/lib/spack/spack/util/web.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from __future__ import print_function
 
 import re
diff --git a/lib/spack/spack/variant.py b/lib/spack/spack/variant.py
index 9e6583af42ba3ac0f80b550138dfe15d943321a9..8f154139c5dd72d06c74d3776b2446ce1fdcb6c0 100644
--- a/lib/spack/spack/variant.py
+++ b/lib/spack/spack/variant.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """The variant module contains data structures that are needed to manage
 variants both in packages and in specs.
 """
diff --git a/lib/spack/spack/version.py b/lib/spack/spack/version.py
index 09dce77c88159cbfbe6d33bcdf81d364d1a66881..82d3927b644e68eb63815615f192b88bc3f8bdb8 100644
--- a/lib/spack/spack/version.py
+++ b/lib/spack/spack/version.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 """
 This module implements Version and version-ish objects.  These are:
 
diff --git a/share/spack/csh/pathadd.csh b/share/spack/csh/pathadd.csh
index 1e0800c5f3f43e2ee846056d4aea2118b7f5a21a..5e94d4a4c0f6bbe0f303eb94c8cfe94b33f58e5c 100644
--- a/share/spack/csh/pathadd.csh
+++ b/share/spack/csh/pathadd.csh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ########################################################################
 # Prepends directories to path, if they exist.
 #      pathadd /path/to/dir            # add to PATH
diff --git a/share/spack/csh/spack.csh b/share/spack/csh/spack.csh
index bf23ab9ff3a324b4cbb8c0ccc0ed3d508d2cddf9..a78665beb35dcf0ea2f8d05327e88f1cdfe2eed7 100644
--- a/share/spack/csh/spack.csh
+++ b/share/spack/csh/spack.csh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ########################################################################
 # This is a wrapper around the spack command that forwards calls to
 # 'spack use' and 'spack unuse' to shell functions.  This in turn
diff --git a/share/spack/docker/build/common/handle-prompt.sh b/share/spack/docker/build/common/handle-prompt.sh
index 2faf38d6273e3c2a75d9553527228bb8292800d4..5a4910e3fa699062d1bbf050d343cc4722e7ce5f 100644
--- a/share/spack/docker/build/common/handle-prompt.sh
+++ b/share/spack/docker/build/common/handle-prompt.sh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 __tmp="`mktemp -d`"
 
 __trylock() {
diff --git a/share/spack/docker/build/common/handle-ssh.sh b/share/spack/docker/build/common/handle-ssh.sh
index f13c10e212da59002c8afe47895c8cbffc889ff5..f2139897cbc5c088f710999e0308af13d743591f 100644
--- a/share/spack/docker/build/common/handle-ssh.sh
+++ b/share/spack/docker/build/common/handle-ssh.sh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 uid="`id -u`"
 if [ "$uid" '=' '0' ] ; then
     for key_type in dsa ecdsa ed25519 rsa ; do
diff --git a/share/spack/docs/docker/module-file-tutorial/spack.sh b/share/spack/docs/docker/module-file-tutorial/spack.sh
index 54d095c717eac7da3acf368a3fe7f31c2ddd92ed..a59bc7575ffde91464d649f9b42d9e699d20be64 100644
--- a/share/spack/docs/docker/module-file-tutorial/spack.sh
+++ b/share/spack/docs/docker/module-file-tutorial/spack.sh
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 source $SPACK_ROOT/share/spack/setup-env.sh
 
 LMOD_DIR=$(spack location -i lmod)
diff --git a/share/spack/qa/run-build-tests b/share/spack/qa/run-build-tests
index 5772632234ac1ecaade9a190dfe08f744428e7a0..315c0b8e99422a6f62da4b019bd8ee7b8899b77c 100755
--- a/share/spack/qa/run-build-tests
+++ b/share/spack/qa/run-build-tests
@@ -1,4 +1,10 @@
 #!/bin/bash -e
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Description:
 #     Runs Spack build smoke tests.  This installs a few packages that
diff --git a/share/spack/qa/run-doc-tests b/share/spack/qa/run-doc-tests
index c43779fcaff72d2326068fdb4689145d2477247a..61292436763f2cb3ce2f490eea9f1c26a1588baf 100755
--- a/share/spack/qa/run-doc-tests
+++ b/share/spack/qa/run-doc-tests
@@ -1,4 +1,10 @@
 #!/bin/bash -e
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Description:
 #     Builds Spack documentation and checks for
diff --git a/share/spack/qa/run-flake8-tests b/share/spack/qa/run-flake8-tests
index 29fc15f9d719e44bf1065f0012e50f38325ffec0..1b9beb4d1627695d419e352fd5f8cfe7f07afa6c 100755
--- a/share/spack/qa/run-flake8-tests
+++ b/share/spack/qa/run-flake8-tests
@@ -1,4 +1,10 @@
 #!/bin/bash -e
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Description:
 #     Runs source code style checks on Spack.
diff --git a/share/spack/qa/run-unit-tests b/share/spack/qa/run-unit-tests
index d96144f28a6fcef6d09391750414eae75ed6cd7a..7aae551f03ec59d472c7ff423769f3ac551a2567 100755
--- a/share/spack/qa/run-unit-tests
+++ b/share/spack/qa/run-unit-tests
@@ -1,4 +1,10 @@
 #!/bin/bash -e
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Description:
 #     Runs Spack unit tests.
diff --git a/share/spack/qa/setup.sh b/share/spack/qa/setup.sh
index 029743f68177d25002d8b3c519b7192ee4b7e469..4f40904433466c50483868f9cfce358915874fef 100755
--- a/share/spack/qa/setup.sh
+++ b/share/spack/qa/setup.sh
@@ -1,4 +1,10 @@
 #!/bin/bash -e
+#
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Description:
 #     Common setup code to be sourced by Spack's test scripts.
diff --git a/share/spack/setup-env.csh b/share/spack/setup-env.csh
index cf1059a28f40c0b9e1fef15561a1ece4ec776be2..cb45f8f74ca429503f903508c4221f283ee78114 100755
--- a/share/spack/setup-env.csh
+++ b/share/spack/setup-env.csh
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 #
 # This file is part of Spack and sets up the spack environment for
diff --git a/share/spack/setup-env.sh b/share/spack/setup-env.sh
index daa0000977de69ca662d21c3826dc5f9dffdbf11..97de19e4c909493e7f38a31a0acb6b4b66b8ef2a 100755
--- a/share/spack/setup-env.sh
+++ b/share/spack/setup-env.sh
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 ########################################################################
 #
diff --git a/share/spack/spack-completion.bash b/share/spack/spack-completion.bash
index 40a13dfbcae2d634c43bd0039496d6cca0af4ff4..c157d836a4ef7fe3910d558ec6ddf73398915129 100755
--- a/share/spack/spack-completion.bash
+++ b/share/spack/spack-completion.bash
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 # The following global variables are used/set by Bash programmable completion
 #     COMP_CWORD: An index into ${COMP_WORDS} of the word containing the
diff --git a/var/spack/repos/builtin.mock/packages/a/package.py b/var/spack/repos/builtin.mock/packages/a/package.py
index 1b3badcd9a8aa10dc861344bf0e6a0e81ba42796..a9197c94b0e71b9344a194983be02b2c9aaf25b2 100644
--- a/var/spack/repos/builtin.mock/packages/a/package.py
+++ b/var/spack/repos/builtin.mock/packages/a/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/archive-files/package.py b/var/spack/repos/builtin.mock/packages/archive-files/package.py
index aef08454d8b8d827166ceeec1528541ca7ce4f03..5025d70d6b1e0b5e88abb20fca20c372765ab683 100644
--- a/var/spack/repos/builtin.mock/packages/archive-files/package.py
+++ b/var/spack/repos/builtin.mock/packages/archive-files/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/b/package.py b/var/spack/repos/builtin.mock/packages/b/package.py
index d234d4ee439792f0978695d6c451dc2f3e51a510..776240a31c2abc551f05381db381f25350761878 100644
--- a/var/spack/repos/builtin.mock/packages/b/package.py
+++ b/var/spack/repos/builtin.mock/packages/b/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/boost/package.py b/var/spack/repos/builtin.mock/packages/boost/package.py
index cec52e5f7ae8b5f27e657d3f4a49200c9117f151..4398d445df7bf4225119d5eea592a63b5d060567 100644
--- a/var/spack/repos/builtin.mock/packages/boost/package.py
+++ b/var/spack/repos/builtin.mock/packages/boost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/build-error/package.py b/var/spack/repos/builtin.mock/packages/build-error/package.py
index 7cfc59905cd2ac212718488e8f6f554c9fd09263..191cfe3b14ebb2e311821e79db8f409e1dfa2f4b 100644
--- a/var/spack/repos/builtin.mock/packages/build-error/package.py
+++ b/var/spack/repos/builtin.mock/packages/build-error/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/build-warnings/package.py b/var/spack/repos/builtin.mock/packages/build-warnings/package.py
index 9160c03f31c8e5c3152a9379f36055242021d38b..1ea58a2a1a4dc210a767e5b3542c0f1b6e171b26 100644
--- a/var/spack/repos/builtin.mock/packages/build-warnings/package.py
+++ b/var/spack/repos/builtin.mock/packages/build-warnings/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/c/package.py b/var/spack/repos/builtin.mock/packages/c/package.py
index 3d0de89dd24bb8e7595bce5ee54797833c13e4cd..5687635f7c78a2d7ab9efd40392c745310b9ef77 100644
--- a/var/spack/repos/builtin.mock/packages/c/package.py
+++ b/var/spack/repos/builtin.mock/packages/c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/callpath/package.py b/var/spack/repos/builtin.mock/packages/callpath/package.py
index 2105c41b6f6ee0b9fb9c04659ac700e3665ef04a..27214741b703c40b8c4ecd92f50bc6af1e69f0f4 100644
--- a/var/spack/repos/builtin.mock/packages/callpath/package.py
+++ b/var/spack/repos/builtin.mock/packages/callpath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/canfail/package.py b/var/spack/repos/builtin.mock/packages/canfail/package.py
index bf0ee03a5b520e96090c04916e2fe9961ba922a8..777a9bd0236a097035d8723bfd1b5cb0724c4dc2 100644
--- a/var/spack/repos/builtin.mock/packages/canfail/package.py
+++ b/var/spack/repos/builtin.mock/packages/canfail/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/cmake-client/package.py b/var/spack/repos/builtin.mock/packages/cmake-client/package.py
index c775bdcbffba1e6b8be0417b30d66f506c8deb28..4082d770552570bc7f62ecc62450d883d90e8093 100644
--- a/var/spack/repos/builtin.mock/packages/cmake-client/package.py
+++ b/var/spack/repos/builtin.mock/packages/cmake-client/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack import *
diff --git a/var/spack/repos/builtin.mock/packages/cmake/package.py b/var/spack/repos/builtin.mock/packages/cmake/package.py
index 1418aefd31ba89015d7f7a8e264bb51a61317728..a589797d69a7c755d110dccd4f8a8f1eab2a198e 100644
--- a/var/spack/repos/builtin.mock/packages/cmake/package.py
+++ b/var/spack/repos/builtin.mock/packages/cmake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin.mock/packages/conflict-parent/package.py b/var/spack/repos/builtin.mock/packages/conflict-parent/package.py
index a8be93a22fba3e7d13738963aaff5174aa1ec8db..8f27d59ff5c7f8c042f92ba0a170cbe67fc4e768 100644
--- a/var/spack/repos/builtin.mock/packages/conflict-parent/package.py
+++ b/var/spack/repos/builtin.mock/packages/conflict-parent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/conflict/package.py b/var/spack/repos/builtin.mock/packages/conflict/package.py
index bc3a4100a16680a96cd8d98703b609d686917caf..08d8c5df4b42a354315c23cc515c3c8634a530c6 100644
--- a/var/spack/repos/builtin.mock/packages/conflict/package.py
+++ b/var/spack/repos/builtin.mock/packages/conflict/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/conflicting-dependent/package.py b/var/spack/repos/builtin.mock/packages/conflicting-dependent/package.py
index dd9cd46655b3921971206657b8f89e880d8853d9..efa8ae95969b454eabb65479ddac359d96633475 100644
--- a/var/spack/repos/builtin.mock/packages/conflicting-dependent/package.py
+++ b/var/spack/repos/builtin.mock/packages/conflicting-dependent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dependency-install/package.py b/var/spack/repos/builtin.mock/packages/dependency-install/package.py
index b45d60a5387cc9c63744c64077017831e5afed99..2e40b8dc8d2e8d70c17c89bdf49df52dff3f60d6 100644
--- a/var/spack/repos/builtin.mock/packages/dependency-install/package.py
+++ b/var/spack/repos/builtin.mock/packages/dependency-install/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dependent-install/package.py b/var/spack/repos/builtin.mock/packages/dependent-install/package.py
index 865caa1f1991f1d177417555dbec87619540834e..01a955d744298d227ce0c51174b1f9cfe1a3d408 100644
--- a/var/spack/repos/builtin.mock/packages/dependent-install/package.py
+++ b/var/spack/repos/builtin.mock/packages/dependent-install/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/develop-test/package.py b/var/spack/repos/builtin.mock/packages/develop-test/package.py
index f32ffeec16b5c45edb514732f8d1afe5eb76010c..7a28cc25be4b35685ca8c402d72195686b6ff106 100644
--- a/var/spack/repos/builtin.mock/packages/develop-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/develop-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/direct-mpich/package.py b/var/spack/repos/builtin.mock/packages/direct-mpich/package.py
index 5a2ec1218190fd5e78c3bdeda649ff11af5b6648..44bd7d16b182c41ad49b83ddab7e599e255ba140 100644
--- a/var/spack/repos/builtin.mock/packages/direct-mpich/package.py
+++ b/var/spack/repos/builtin.mock/packages/direct-mpich/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dt-diamond-bottom/package.py b/var/spack/repos/builtin.mock/packages/dt-diamond-bottom/package.py
index 356c1d3e04f1d1871d6eb9f8bbaac1e86a01dc08..1c6b8d624defa22a35d79c50ef7c14c5c340c385 100644
--- a/var/spack/repos/builtin.mock/packages/dt-diamond-bottom/package.py
+++ b/var/spack/repos/builtin.mock/packages/dt-diamond-bottom/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dt-diamond-left/package.py b/var/spack/repos/builtin.mock/packages/dt-diamond-left/package.py
index 45602eb8177d7a0347d30f26d1da6f11dbb54b3e..f54086e8b3e15f6e540683721401d7eb9495c139 100644
--- a/var/spack/repos/builtin.mock/packages/dt-diamond-left/package.py
+++ b/var/spack/repos/builtin.mock/packages/dt-diamond-left/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dt-diamond-right/package.py b/var/spack/repos/builtin.mock/packages/dt-diamond-right/package.py
index 3fea7ba8796a51693b558662db42d60bb4a18083..2a915a1f102482b570c9d1c4ae80665991be02ad 100644
--- a/var/spack/repos/builtin.mock/packages/dt-diamond-right/package.py
+++ b/var/spack/repos/builtin.mock/packages/dt-diamond-right/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dt-diamond/package.py b/var/spack/repos/builtin.mock/packages/dt-diamond/package.py
index c186b9f456b113f27a94853ebf78e87af3e7ff17..a4dcdfd04b2b3f99b2b85094b5591b161456c8ce 100644
--- a/var/spack/repos/builtin.mock/packages/dt-diamond/package.py
+++ b/var/spack/repos/builtin.mock/packages/dt-diamond/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtbuild1/package.py b/var/spack/repos/builtin.mock/packages/dtbuild1/package.py
index 46186f9311c77936491bca7d966c6ee299965c19..dfc71d5f89ec0233cd5fc5ba934a50f322b3339e 100644
--- a/var/spack/repos/builtin.mock/packages/dtbuild1/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtbuild1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtbuild2/package.py b/var/spack/repos/builtin.mock/packages/dtbuild2/package.py
index ffafb17e201754c2b387e0a15d6b4f926f557422..b91aa8bba347038fdcc466c6d004a3651dde33ae 100644
--- a/var/spack/repos/builtin.mock/packages/dtbuild2/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtbuild2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtbuild3/package.py b/var/spack/repos/builtin.mock/packages/dtbuild3/package.py
index bd4097632253a75c06742fc3d0bc59384e6f17b6..8102ca80f045699de1e22d462eb6051e6d6398a9 100644
--- a/var/spack/repos/builtin.mock/packages/dtbuild3/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtbuild3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtlink1/package.py b/var/spack/repos/builtin.mock/packages/dtlink1/package.py
index 5b721ef4ad7d2c1a49d8ab4b4ce0d2cf640d2a9e..05885a00e09c4de5502942a877821dae6dd9845b 100644
--- a/var/spack/repos/builtin.mock/packages/dtlink1/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtlink1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtlink2/package.py b/var/spack/repos/builtin.mock/packages/dtlink2/package.py
index 4ea715c45af2bca450e01d64d605a927c6d8e99e..06bcb7bda7cd7ca07b5e7b385f08039c2c47f93a 100644
--- a/var/spack/repos/builtin.mock/packages/dtlink2/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtlink2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtlink3/package.py b/var/spack/repos/builtin.mock/packages/dtlink3/package.py
index cd45f960d70eccb4849a23f342d02125d12df6f2..58a9e9f9958826e4cff2549f752a2fa64cfba22a 100644
--- a/var/spack/repos/builtin.mock/packages/dtlink3/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtlink3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtlink4/package.py b/var/spack/repos/builtin.mock/packages/dtlink4/package.py
index 16faf538827b31511170fe201f682d563e839a5f..10fbf0b0330af863419c20b7d8bfff6f2fff78fb 100644
--- a/var/spack/repos/builtin.mock/packages/dtlink4/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtlink4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtlink5/package.py b/var/spack/repos/builtin.mock/packages/dtlink5/package.py
index ba86dcb100636cde19f38d67b054ec89da496b8b..a5735552745ae6146667dedfe822afe9c0421bdc 100644
--- a/var/spack/repos/builtin.mock/packages/dtlink5/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtlink5/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtrun1/package.py b/var/spack/repos/builtin.mock/packages/dtrun1/package.py
index 114d8bb87fc1b38b1a1034c69fc103d5532c8215..865d8ee633a4c23a60c7205e71acda7a91935d1a 100644
--- a/var/spack/repos/builtin.mock/packages/dtrun1/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtrun1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtrun2/package.py b/var/spack/repos/builtin.mock/packages/dtrun2/package.py
index 60c1f1ea97f830b4de86dd3f38ee9745d4861f0b..6e207ba5ae71d7205c7e4cad30c86936087ceed9 100644
--- a/var/spack/repos/builtin.mock/packages/dtrun2/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtrun2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtrun3/package.py b/var/spack/repos/builtin.mock/packages/dtrun3/package.py
index 8b64d05824327dc97c531084b9c2b8d9f97d8d20..3d834c2749566ed27d87e1b3f04b536659badf13 100644
--- a/var/spack/repos/builtin.mock/packages/dtrun3/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtrun3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dttop/package.py b/var/spack/repos/builtin.mock/packages/dttop/package.py
index 5c9839545c8244315ae69b9a6800395a5e5cb371..b68c3e1cd496183eb54fad4ca3be84e8505ba3a9 100644
--- a/var/spack/repos/builtin.mock/packages/dttop/package.py
+++ b/var/spack/repos/builtin.mock/packages/dttop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dtuse/package.py b/var/spack/repos/builtin.mock/packages/dtuse/package.py
index 8b0596d5f6663776f4ff841832632c0b2f1e6d9e..c87d9e145d4399f6d43bd219e59bdf8bddae2ee9 100644
--- a/var/spack/repos/builtin.mock/packages/dtuse/package.py
+++ b/var/spack/repos/builtin.mock/packages/dtuse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/dyninst/package.py b/var/spack/repos/builtin.mock/packages/dyninst/package.py
index 6827005bbd73798c07b834d056d3a00715e2272f..f6fdc5a4322256937d83405cbe8dd8f0e7ad0f97 100644
--- a/var/spack/repos/builtin.mock/packages/dyninst/package.py
+++ b/var/spack/repos/builtin.mock/packages/dyninst/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/e/package.py b/var/spack/repos/builtin.mock/packages/e/package.py
index 02c06e4fc54262f3113bcf1c35381d4152ee8080..12fc145e17b442194ef34597d31dcedadec2149a 100644
--- a/var/spack/repos/builtin.mock/packages/e/package.py
+++ b/var/spack/repos/builtin.mock/packages/e/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/extendee/package.py b/var/spack/repos/builtin.mock/packages/extendee/package.py
index 0ce4a44857bf84791861cb0d305702c0ebc33204..ead0d8c9ec73ccbacb71722044b4a08e2bc3dae1 100644
--- a/var/spack/repos/builtin.mock/packages/extendee/package.py
+++ b/var/spack/repos/builtin.mock/packages/extendee/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/extension1/package.py b/var/spack/repos/builtin.mock/packages/extension1/package.py
index 1b713bcbd9f8a6b57e57bc2d1ed50ac727e67b91..abb526459e4a68db74579c5026a4d96cc2412a21 100644
--- a/var/spack/repos/builtin.mock/packages/extension1/package.py
+++ b/var/spack/repos/builtin.mock/packages/extension1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin.mock/packages/extension2/package.py b/var/spack/repos/builtin.mock/packages/extension2/package.py
index 474974c61913634fba4b5c9f9ff18220d9c68a9a..0d4ce8b374231b4abba60d2e5226f9bc8373e842 100644
--- a/var/spack/repos/builtin.mock/packages/extension2/package.py
+++ b/var/spack/repos/builtin.mock/packages/extension2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin.mock/packages/externalmodule/package.py b/var/spack/repos/builtin.mock/packages/externalmodule/package.py
index 094dcdd6bcd516afb017ad58281b453aefb17c1b..84b152a93bd642ec35065021f5b72e20d8c53b8a 100644
--- a/var/spack/repos/builtin.mock/packages/externalmodule/package.py
+++ b/var/spack/repos/builtin.mock/packages/externalmodule/package.py
@@ -1,28 +1,8 @@
-
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/externalprereq/package.py b/var/spack/repos/builtin.mock/packages/externalprereq/package.py
index 5e1442479d1f678e0d2f90936af9a6c61e1050a6..b14045afd271284b73b3d8f573cccf3227321575 100644
--- a/var/spack/repos/builtin.mock/packages/externalprereq/package.py
+++ b/var/spack/repos/builtin.mock/packages/externalprereq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/externaltest/package.py b/var/spack/repos/builtin.mock/packages/externaltest/package.py
index 4baccfb9d7e850c9e84a751eda1bcfc7ed497c40..69484f5d54420e72f236367d46eb535b2e77028f 100644
--- a/var/spack/repos/builtin.mock/packages/externaltest/package.py
+++ b/var/spack/repos/builtin.mock/packages/externaltest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/externaltool/package.py b/var/spack/repos/builtin.mock/packages/externaltool/package.py
index 9f0e3f6f73a777207af892c6caab64b7d886e625..6e8cb30f097b5d667e02530e088d48a608ad1d0d 100644
--- a/var/spack/repos/builtin.mock/packages/externaltool/package.py
+++ b/var/spack/repos/builtin.mock/packages/externaltool/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/externalvirtual/package.py b/var/spack/repos/builtin.mock/packages/externalvirtual/package.py
index 825608d7fafc0cb1d75e7dae16c8faf63442ec52..a23743ca6692a89668465fcf5df6738ba46cbccb 100644
--- a/var/spack/repos/builtin.mock/packages/externalvirtual/package.py
+++ b/var/spack/repos/builtin.mock/packages/externalvirtual/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/failing-build/package.py b/var/spack/repos/builtin.mock/packages/failing-build/package.py
index 3350913f4b5eea310a4b18adf34445b354ea7d06..f332b86323738b793c511415ec9b4f91ac65a026 100644
--- a/var/spack/repos/builtin.mock/packages/failing-build/package.py
+++ b/var/spack/repos/builtin.mock/packages/failing-build/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/fake/package.py b/var/spack/repos/builtin.mock/packages/fake/package.py
index 64ac0221ab00ff244ba6f524596e656c319a766f..6d6e133cb56932e7693c186f35a70f238e266a8e 100644
--- a/var/spack/repos/builtin.mock/packages/fake/package.py
+++ b/var/spack/repos/builtin.mock/packages/fake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/flake8/package.py b/var/spack/repos/builtin.mock/packages/flake8/package.py
index f9bfc74e8a09fec204de865c795ba88d4311b58a..a38ede73f920175b4676ac28718abec19bae8bf5 100644
--- a/var/spack/repos/builtin.mock/packages/flake8/package.py
+++ b/var/spack/repos/builtin.mock/packages/flake8/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/git-svn-top-level/package.py b/var/spack/repos/builtin.mock/packages/git-svn-top-level/package.py
index 0bff4402e246751709d5ad63ebf3f7d13f79107b..9864269a216c976b2a5abae4c9ca509f8feef2b6 100644
--- a/var/spack/repos/builtin.mock/packages/git-svn-top-level/package.py
+++ b/var/spack/repos/builtin.mock/packages/git-svn-top-level/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/git-test/package.py b/var/spack/repos/builtin.mock/packages/git-test/package.py
index f3caae0cd2f2cb046715290b653560f1ba999f6f..544168d53ba17b25aba58399f85fceb987468ae4 100644
--- a/var/spack/repos/builtin.mock/packages/git-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/git-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/git-top-level/package.py b/var/spack/repos/builtin.mock/packages/git-top-level/package.py
index 5c0be8110104c8f1128c29f1d1e5e037e952de9d..36a2852f326bd10127edfa27379665e1a2bafc0c 100644
--- a/var/spack/repos/builtin.mock/packages/git-top-level/package.py
+++ b/var/spack/repos/builtin.mock/packages/git-top-level/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/git-url-svn-top-level/package.py b/var/spack/repos/builtin.mock/packages/git-url-svn-top-level/package.py
index d4897b228fc5b5ab6ff44f970e39e721a32aba01..c737284fff57446cf7068facbd5ca6f1ffedbfa8 100644
--- a/var/spack/repos/builtin.mock/packages/git-url-svn-top-level/package.py
+++ b/var/spack/repos/builtin.mock/packages/git-url-svn-top-level/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py b/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py
index 74f2aa69e571decbef06211ada2ac8a7c4efe2c4..8b41eda0eb90e0374eb7af4f863a47816a9031d5 100644
--- a/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py
+++ b/var/spack/repos/builtin.mock/packages/git-url-top-level/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/hash-test1/package.py b/var/spack/repos/builtin.mock/packages/hash-test1/package.py
index 60c7fbe32b858dd95ac3e0217bb37d181b590ef2..2fd44f07e47d2cf72cd7717d0b9b9459bd971ced 100644
--- a/var/spack/repos/builtin.mock/packages/hash-test1/package.py
+++ b/var/spack/repos/builtin.mock/packages/hash-test1/package.py
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import os
diff --git a/var/spack/repos/builtin.mock/packages/hash-test2/package.py b/var/spack/repos/builtin.mock/packages/hash-test2/package.py
index 3c4c2addf29f9e4af6a3a8a9a5ce5ad19b04ed2d..de08125bf68947b8d41f5c326da529aaa7d48803 100644
--- a/var/spack/repos/builtin.mock/packages/hash-test2/package.py
+++ b/var/spack/repos/builtin.mock/packages/hash-test2/package.py
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import os
diff --git a/var/spack/repos/builtin.mock/packages/hg-test/package.py b/var/spack/repos/builtin.mock/packages/hg-test/package.py
index a0a1cad5156291f013e43e285b12f2adbce19087..89a3286beaf025cc0b28c1ed9622ad2eac0d1d6d 100644
--- a/var/spack/repos/builtin.mock/packages/hg-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/hg-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/hg-top-level/package.py b/var/spack/repos/builtin.mock/packages/hg-top-level/package.py
index 94a06cd38eb40dd30cdd7326d1a957476a50d938..225a2e852cc8b88c02ab5e801f113293660e9003 100644
--- a/var/spack/repos/builtin.mock/packages/hg-top-level/package.py
+++ b/var/spack/repos/builtin.mock/packages/hg-top-level/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/hypre/package.py b/var/spack/repos/builtin.mock/packages/hypre/package.py
index 3b2ed6299009b7248f2449d2a0b1b7b566515bb3..62133f48ac1ab9305b58ee13947ee53020af5367 100644
--- a/var/spack/repos/builtin.mock/packages/hypre/package.py
+++ b/var/spack/repos/builtin.mock/packages/hypre/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/indirect-mpich/package.py b/var/spack/repos/builtin.mock/packages/indirect-mpich/package.py
index 878a8500b0020d505d1248c17a5dbab579405e26..902a8f73455a8410437947d07a42358bd0310d89 100644
--- a/var/spack/repos/builtin.mock/packages/indirect-mpich/package.py
+++ b/var/spack/repos/builtin.mock/packages/indirect-mpich/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/libdwarf/package.py b/var/spack/repos/builtin.mock/packages/libdwarf/package.py
index bf0984b9242384933937bf82c65d01ff367a5fc0..302e7f1eeb281eb3cf006ac96762824cc39bb7dc 100644
--- a/var/spack/repos/builtin.mock/packages/libdwarf/package.py
+++ b/var/spack/repos/builtin.mock/packages/libdwarf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 # Only build certain parts of dwarf because the other ones break.
diff --git a/var/spack/repos/builtin.mock/packages/libelf/package.py b/var/spack/repos/builtin.mock/packages/libelf/package.py
index 6e597a0717cc65e4c5253f52c4578f18ba625914..4fdd90e9355b98a9fceee418680899a01f1c6162 100644
--- a/var/spack/repos/builtin.mock/packages/libelf/package.py
+++ b/var/spack/repos/builtin.mock/packages/libelf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/mixedversions/package.py b/var/spack/repos/builtin.mock/packages/mixedversions/package.py
index 8e6183a345428ef99056052e2f71f2330e2fd657..ff564d5cb9ef25db8996564753523318a6ea9201 100644
--- a/var/spack/repos/builtin.mock/packages/mixedversions/package.py
+++ b/var/spack/repos/builtin.mock/packages/mixedversions/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/module-path-separator/package.py b/var/spack/repos/builtin.mock/packages/module-path-separator/package.py
index c29a53858827bf1ac110ec20c6316b7db0d22614..a7a4baabb756d4ffd87a12d2c4f182535fa6f8ef 100644
--- a/var/spack/repos/builtin.mock/packages/module-path-separator/package.py
+++ b/var/spack/repos/builtin.mock/packages/module-path-separator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/mpich/package.py b/var/spack/repos/builtin.mock/packages/mpich/package.py
index 9c14024c4d8dfbc6fdf9e05b443e9d786a5fddb3..1ba68925d58166773939b83dcfe435583c91dce3 100644
--- a/var/spack/repos/builtin.mock/packages/mpich/package.py
+++ b/var/spack/repos/builtin.mock/packages/mpich/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/mpich2/package.py b/var/spack/repos/builtin.mock/packages/mpich2/package.py
index c0c8ee3b059330ed1cc2b1114a353ec73240b52d..9f7df9696fae5613270f6fde11531130105e1f8e 100644
--- a/var/spack/repos/builtin.mock/packages/mpich2/package.py
+++ b/var/spack/repos/builtin.mock/packages/mpich2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/mpileaks/package.py b/var/spack/repos/builtin.mock/packages/mpileaks/package.py
index 405c069e54524fe510904b85aa204a20aaa40894..478da9f9b9ff06293fa33192ec252c032d11e2ad 100644
--- a/var/spack/repos/builtin.mock/packages/mpileaks/package.py
+++ b/var/spack/repos/builtin.mock/packages/mpileaks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/multi-provider-mpi/package.py b/var/spack/repos/builtin.mock/packages/multi-provider-mpi/package.py
index 8ebebccf56215ae573940e344f09c8deca79cd73..1b3e044f22b20b4f7b17f2fe6a73bb54982566d4 100644
--- a/var/spack/repos/builtin.mock/packages/multi-provider-mpi/package.py
+++ b/var/spack/repos/builtin.mock/packages/multi-provider-mpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/multimethod-base/package.py b/var/spack/repos/builtin.mock/packages/multimethod-base/package.py
index 27499b4865da93d77f637e6801261c3a62413725..7b7d00b43bba8e4f5adbef7ff11f4e247961056c 100644
--- a/var/spack/repos/builtin.mock/packages/multimethod-base/package.py
+++ b/var/spack/repos/builtin.mock/packages/multimethod-base/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/multimethod/package.py b/var/spack/repos/builtin.mock/packages/multimethod/package.py
index 6f01888e5968f0ddaa3f6f07f1aaa12afcb0a043..3224d73fe979179f2f1c4da20d74318f12d8e7dd 100644
--- a/var/spack/repos/builtin.mock/packages/multimethod/package.py
+++ b/var/spack/repos/builtin.mock/packages/multimethod/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from six import string_types
 
 from spack import *
diff --git a/var/spack/repos/builtin.mock/packages/multivalue_variant/package.py b/var/spack/repos/builtin.mock/packages/multivalue_variant/package.py
index 6122d04718da67d1470df004aad2947e85934b50..1077f5f9786a11bccc4bcd21d090e865cec79157 100644
--- a/var/spack/repos/builtin.mock/packages/multivalue_variant/package.py
+++ b/var/spack/repos/builtin.mock/packages/multivalue_variant/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/netlib-blas/package.py b/var/spack/repos/builtin.mock/packages/netlib-blas/package.py
index 952a6dd0d740517649c6eb7f622866d227dc9542..07bdbcb80194456dee04597ccf858e20505c55de 100644
--- a/var/spack/repos/builtin.mock/packages/netlib-blas/package.py
+++ b/var/spack/repos/builtin.mock/packages/netlib-blas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/netlib-lapack/package.py b/var/spack/repos/builtin.mock/packages/netlib-lapack/package.py
index fade988cdd2c8348dbf4e999fc82eb8918a1c57d..2b12ee77ce0fdb89b635e975311b40a6b9d89476 100644
--- a/var/spack/repos/builtin.mock/packages/netlib-lapack/package.py
+++ b/var/spack/repos/builtin.mock/packages/netlib-lapack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/openblas-with-lapack/package.py b/var/spack/repos/builtin.mock/packages/openblas-with-lapack/package.py
index a3cb7d3bd95ae3121365a4663cc348dccb412191..5480507e1ba8be49684f11b4a9ee32789173497a 100644
--- a/var/spack/repos/builtin.mock/packages/openblas-with-lapack/package.py
+++ b/var/spack/repos/builtin.mock/packages/openblas-with-lapack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/openblas/package.py b/var/spack/repos/builtin.mock/packages/openblas/package.py
index 4ff749fa3811ebdf56964a2858a35d5c2ec4248c..d10b423626e92a2e4f5cf9deccd949f330069f5c 100644
--- a/var/spack/repos/builtin.mock/packages/openblas/package.py
+++ b/var/spack/repos/builtin.mock/packages/openblas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/optional-dep-test-2/package.py b/var/spack/repos/builtin.mock/packages/optional-dep-test-2/package.py
index 2d87fe25dafd34c7d9ae5e9bcbb3296d5bc8d28b..6f988410fa7932f8367a41581339fd805939b061 100644
--- a/var/spack/repos/builtin.mock/packages/optional-dep-test-2/package.py
+++ b/var/spack/repos/builtin.mock/packages/optional-dep-test-2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/optional-dep-test-3/package.py b/var/spack/repos/builtin.mock/packages/optional-dep-test-3/package.py
index cd7c0f17af0e323a2cfc2036999f4323a57ab9e0..d1bf81a7fac2a94a517773f538d254893b1647f2 100644
--- a/var/spack/repos/builtin.mock/packages/optional-dep-test-3/package.py
+++ b/var/spack/repos/builtin.mock/packages/optional-dep-test-3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/optional-dep-test/package.py b/var/spack/repos/builtin.mock/packages/optional-dep-test/package.py
index ffff5e7dfb69907b25d24d38c660f17785ffae47..af30815bc71897279f28b12f132dae28f54c8a35 100644
--- a/var/spack/repos/builtin.mock/packages/optional-dep-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/optional-dep-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/othervirtual/package.py b/var/spack/repos/builtin.mock/packages/othervirtual/package.py
index 6c0e66cf31ca5d353ed52d11fde8731931fc567a..db9a218767e1e52fa38d27deb5c42cc0ae6b415d 100644
--- a/var/spack/repos/builtin.mock/packages/othervirtual/package.py
+++ b/var/spack/repos/builtin.mock/packages/othervirtual/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/override-context-templates/package.py b/var/spack/repos/builtin.mock/packages/override-context-templates/package.py
index a5cfb383b89ac63c7f706e395276df307544af4d..6ec1b26dfaa4007526e5f12a403ef5d1bcbd2470 100644
--- a/var/spack/repos/builtin.mock/packages/override-context-templates/package.py
+++ b/var/spack/repos/builtin.mock/packages/override-context-templates/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/override-module-templates/package.py b/var/spack/repos/builtin.mock/packages/override-module-templates/package.py
index 50fb201fe4a162f0bc6335ce25e487995220c519..090a889448c2b29206a55852a2cf7bd13d447822 100644
--- a/var/spack/repos/builtin.mock/packages/override-module-templates/package.py
+++ b/var/spack/repos/builtin.mock/packages/override-module-templates/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/patch-a-dependency/package.py b/var/spack/repos/builtin.mock/packages/patch-a-dependency/package.py
index 01f13a98a2e99b12d7d6543ee38d965f6fa878f8..4b4f044504355bbdd9eb7ca708cf8b1fb1bb7ebe 100644
--- a/var/spack/repos/builtin.mock/packages/patch-a-dependency/package.py
+++ b/var/spack/repos/builtin.mock/packages/patch-a-dependency/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/patch-several-dependencies/package.py b/var/spack/repos/builtin.mock/packages/patch-several-dependencies/package.py
index db902ebf4c91ecbf85e5fc28411c450cc9d65683..fdd5cc30e7b24ace03123262d69dac811ca8095a 100644
--- a/var/spack/repos/builtin.mock/packages/patch-several-dependencies/package.py
+++ b/var/spack/repos/builtin.mock/packages/patch-several-dependencies/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/patch/package.py b/var/spack/repos/builtin.mock/packages/patch/package.py
index f4722e22e4d4dae423f634191ecf224cf0487a90..cf0d2f1c636eccd95981783c290045c450480a53 100644
--- a/var/spack/repos/builtin.mock/packages/patch/package.py
+++ b/var/spack/repos/builtin.mock/packages/patch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/patchelf/package.py b/var/spack/repos/builtin.mock/packages/patchelf/package.py
index 5bf76d3e20a7ebaa0e449d6452b60424b01ae9fb..6b7205cb9a22cff2b8b50fae8371f61613874de5 100644
--- a/var/spack/repos/builtin.mock/packages/patchelf/package.py
+++ b/var/spack/repos/builtin.mock/packages/patchelf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/printing-package/package.py b/var/spack/repos/builtin.mock/packages/printing-package/package.py
index 74d6157138882e1533b63f0569b35a74824742d9..580e9727f186d340da00b851c19810904b366803 100644
--- a/var/spack/repos/builtin.mock/packages/printing-package/package.py
+++ b/var/spack/repos/builtin.mock/packages/printing-package/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/python/package.py b/var/spack/repos/builtin.mock/packages/python/package.py
index 1c67350e975009e0e5c17bb81cf2b0ee4f971314..053c6d24f19bb6282f3e52f90b47b53a5d85bee6 100644
--- a/var/spack/repos/builtin.mock/packages/python/package.py
+++ b/var/spack/repos/builtin.mock/packages/python/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/raiser/package.py b/var/spack/repos/builtin.mock/packages/raiser/package.py
index 02cd491f1704bba2297086bef4be529a4cce5e05..bbd4cb329b16fb030e56b1cc7f6209a4eb5e2d78 100644
--- a/var/spack/repos/builtin.mock/packages/raiser/package.py
+++ b/var/spack/repos/builtin.mock/packages/raiser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from six.moves import builtins
 
 from spack import *
diff --git a/var/spack/repos/builtin.mock/packages/simple-inheritance/package.py b/var/spack/repos/builtin.mock/packages/simple-inheritance/package.py
index 3f135b002e83135ca61d6d49028e115867f094b4..cd43575a019c35c9848da4415b6ab1b5304d44de 100644
--- a/var/spack/repos/builtin.mock/packages/simple-inheritance/package.py
+++ b/var/spack/repos/builtin.mock/packages/simple-inheritance/package.py
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/singlevalue-variant-dependent/package.py b/var/spack/repos/builtin.mock/packages/singlevalue-variant-dependent/package.py
index 788c6b02a2d506acf7a231ed3be411a154893916..c9cc385b6a77bbdce42933cb4d4bcf8440410c3a 100644
--- a/var/spack/repos/builtin.mock/packages/singlevalue-variant-dependent/package.py
+++ b/var/spack/repos/builtin.mock/packages/singlevalue-variant-dependent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/svn-test/package.py b/var/spack/repos/builtin.mock/packages/svn-test/package.py
index ca60fbe6b18be563a4e0f666c7675edee0b08a07..b0ad42542b4c1359af9b36b6c9f3a3e7365c9085 100644
--- a/var/spack/repos/builtin.mock/packages/svn-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/svn-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/svn-top-level/package.py b/var/spack/repos/builtin.mock/packages/svn-top-level/package.py
index 3198b164353ce9b6ae29e9c3a03cc4707286e1e6..8acd54b66ab53d9b30b02b52612a84c5153713a5 100644
--- a/var/spack/repos/builtin.mock/packages/svn-top-level/package.py
+++ b/var/spack/repos/builtin.mock/packages/svn-top-level/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/trivial-install-test-package/package.py b/var/spack/repos/builtin.mock/packages/trivial-install-test-package/package.py
index 8ab5ad6560e8ca15f2eb500d6843b6ef347a4b78..aad58f08e373c4fd9e8314b68e9c5ef0b65d375a 100644
--- a/var/spack/repos/builtin.mock/packages/trivial-install-test-package/package.py
+++ b/var/spack/repos/builtin.mock/packages/trivial-install-test-package/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/url-list-test/package.py b/var/spack/repos/builtin.mock/packages/url-list-test/package.py
index 2adb06272a7f1f37ad3536e4101b8c533310cacc..98d7af842527e10bf35bf64b1994e24e3a097983 100644
--- a/var/spack/repos/builtin.mock/packages/url-list-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/url-list-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import os
diff --git a/var/spack/repos/builtin.mock/packages/url-only-override-with-gaps/package.py b/var/spack/repos/builtin.mock/packages/url-only-override-with-gaps/package.py
index 8bcbb386bd6ff2351faa9fb3d43db12cf6273c3b..bee39c0c720975f928be7f64e2b0c5172d336779 100644
--- a/var/spack/repos/builtin.mock/packages/url-only-override-with-gaps/package.py
+++ b/var/spack/repos/builtin.mock/packages/url-only-override-with-gaps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/url-only-override/package.py b/var/spack/repos/builtin.mock/packages/url-only-override/package.py
index 76999fb21eee053a42d94cc5d3e2470d23a148ab..e145285985cefe5771ba7968dc1d8864304bd7ed 100644
--- a/var/spack/repos/builtin.mock/packages/url-only-override/package.py
+++ b/var/spack/repos/builtin.mock/packages/url-only-override/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/url-test/package.py b/var/spack/repos/builtin.mock/packages/url-test/package.py
index f0b686ab8b49cf1818264a230d334b38fee78465..c16f34598014f6ebdb3078ac77bbd4eb3d070618 100644
--- a/var/spack/repos/builtin.mock/packages/url-test/package.py
+++ b/var/spack/repos/builtin.mock/packages/url-test/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/url_override/package.py b/var/spack/repos/builtin.mock/packages/url_override/package.py
index 6173ea94eba77bb26fc3624ac7ccf462af9c1784..803afe5e3301deb941ddce02a5f53e2e45663940 100644
--- a/var/spack/repos/builtin.mock/packages/url_override/package.py
+++ b/var/spack/repos/builtin.mock/packages/url_override/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin.mock/packages/zmpi/package.py b/var/spack/repos/builtin.mock/packages/zmpi/package.py
index 52f6d11272d01a5524836bd12e135ceb309db68c..4546ed7335c87faf75a5722c86b904c4eddda6a1 100644
--- a/var/spack/repos/builtin.mock/packages/zmpi/package.py
+++ b/var/spack/repos/builtin.mock/packages/zmpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/abinit/package.py b/var/spack/repos/builtin/packages/abinit/package.py
index b93fe175f18beeea4b153ee5189b02a2372234a4..4902509d4e061e713fa3fbb66b462d74b181f4a9 100644
--- a/var/spack/repos/builtin/packages/abinit/package.py
+++ b/var/spack/repos/builtin/packages/abinit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Author: Matteo Giantomassi <matteo.giantomassiNOSPAM AT uclouvain.be>
 # Date: October 11, 2016
diff --git a/var/spack/repos/builtin/packages/abyss/package.py b/var/spack/repos/builtin/packages/abyss/package.py
index f6fac094631c7e845eebd1130971584bad41add8..aabaf94400e50eed45ea16a4596608b21d418453 100644
--- a/var/spack/repos/builtin/packages/abyss/package.py
+++ b/var/spack/repos/builtin/packages/abyss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/accfft/package.py b/var/spack/repos/builtin/packages/accfft/package.py
index 29dd02bb6c383436a10ea256c1213a1d674bdb0a..3a59f11f27f668a2b4dffb18a51c277b90dbc86e 100644
--- a/var/spack/repos/builtin/packages/accfft/package.py
+++ b/var/spack/repos/builtin/packages/accfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ack/package.py b/var/spack/repos/builtin/packages/ack/package.py
index e07cd0da735ec7cd8d13011446c294d750c7f6f9..c889d1f31eb78e85f0381899d53b44da08d3c140 100644
--- a/var/spack/repos/builtin/packages/ack/package.py
+++ b/var/spack/repos/builtin/packages/ack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/activeharmony/package.py b/var/spack/repos/builtin/packages/activeharmony/package.py
index 3867810b2c48f2c9a4b7d558793114b835702791..7c90f24a0dbc14862eecf680762336712e3e0cd0 100644
--- a/var/spack/repos/builtin/packages/activeharmony/package.py
+++ b/var/spack/repos/builtin/packages/activeharmony/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/adept-utils/package.py b/var/spack/repos/builtin/packages/adept-utils/package.py
index 4aa1197c1f48cf94abf177652afacfe0269185de..fcac87759a3b059f9a6a05ad000aea623256c972 100644
--- a/var/spack/repos/builtin/packages/adept-utils/package.py
+++ b/var/spack/repos/builtin/packages/adept-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/adios/package.py b/var/spack/repos/builtin/packages/adios/package.py
index 69d4ca0671fd6add5f6c284c5f8a2abbe6e9c99d..2b93379129813e1ad5e943e516f1d508bcd6e8c3 100644
--- a/var/spack/repos/builtin/packages/adios/package.py
+++ b/var/spack/repos/builtin/packages/adios/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/adios2/package.py b/var/spack/repos/builtin/packages/adios2/package.py
index f838996e20f635953882afa0953d8a9ea2128153..a7ba1eec0b6768b3044a553dab2081e341e357d7 100644
--- a/var/spack/repos/builtin/packages/adios2/package.py
+++ b/var/spack/repos/builtin/packages/adios2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/adlbx/package.py b/var/spack/repos/builtin/packages/adlbx/package.py
index 0b0d3cd3bbabe70246028729893efe98dd9d2b7c..4f7e06d2c9a91d5e778dbea2fd4502cc4ac72d97 100644
--- a/var/spack/repos/builtin/packages/adlbx/package.py
+++ b/var/spack/repos/builtin/packages/adlbx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/adol-c/package.py b/var/spack/repos/builtin/packages/adol-c/package.py
index 5597c1ec7e009d2e506b3a00f12d4b3afc3a41f8..7769dc13b76bcabbabbb849219958c90530a166d 100644
--- a/var/spack/repos/builtin/packages/adol-c/package.py
+++ b/var/spack/repos/builtin/packages/adol-c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aegean/package.py b/var/spack/repos/builtin/packages/aegean/package.py
index 8ec71982e50372c1644aed9e6fb7989b64209166..a66c4d1e7225dac4d930032f2e9eb05baac2dac0 100644
--- a/var/spack/repos/builtin/packages/aegean/package.py
+++ b/var/spack/repos/builtin/packages/aegean/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aida/package.py b/var/spack/repos/builtin/packages/aida/package.py
index 76e9c9b2412520b0fa9e90b464a96ae986b2ffcb..d2b2a22d727ea0cc22830b24838be7f1ff78b778 100644
--- a/var/spack/repos/builtin/packages/aida/package.py
+++ b/var/spack/repos/builtin/packages/aida/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/albany/package.py b/var/spack/repos/builtin/packages/albany/package.py
index eccbe67ce1419147d1ae3d3229b486fa2f3da472..ae8613d3611d3e79c57410fc2d599dbb6a379fca 100644
--- a/var/spack/repos/builtin/packages/albany/package.py
+++ b/var/spack/repos/builtin/packages/albany/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/albert/package.py b/var/spack/repos/builtin/packages/albert/package.py
index 7b80ea05616f436ac2326469f47e37424c9ddf99..c2d432fd361b63ac0e098d6ea5327ef5caecff71 100644
--- a/var/spack/repos/builtin/packages/albert/package.py
+++ b/var/spack/repos/builtin/packages/albert/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/alglib/package.py b/var/spack/repos/builtin/packages/alglib/package.py
index ff280fc74788f04252f4bf0775006a6ccac60363..6842cbd8ade56cd21c6407dc405d51614f70ec13 100644
--- a/var/spack/repos/builtin/packages/alglib/package.py
+++ b/var/spack/repos/builtin/packages/alglib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/allinea-forge/package.py b/var/spack/repos/builtin/packages/allinea-forge/package.py
index 715795bec0c122fa2fdf735d0361c75b7bdef79d..c0519014a841d9b0d2b585dd304ca3cbc2775fd4 100644
--- a/var/spack/repos/builtin/packages/allinea-forge/package.py
+++ b/var/spack/repos/builtin/packages/allinea-forge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/allinea-reports/package.py b/var/spack/repos/builtin/packages/allinea-reports/package.py
index 4a0c266411b2a2c5569ef7987397ed95d796a0fd..a1da29ba47221fa456a67e527a2ab349390c98ea 100644
--- a/var/spack/repos/builtin/packages/allinea-reports/package.py
+++ b/var/spack/repos/builtin/packages/allinea-reports/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/allpaths-lg/package.py b/var/spack/repos/builtin/packages/allpaths-lg/package.py
index a0824698c094c4ef1cb085d35621730b2d3c5e3a..3ec1e994183975026fcd08d3429bf8fe21935003 100644
--- a/var/spack/repos/builtin/packages/allpaths-lg/package.py
+++ b/var/spack/repos/builtin/packages/allpaths-lg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/alquimia/package.py b/var/spack/repos/builtin/packages/alquimia/package.py
index 467f5740be1cfe934e1fe38ec27837039aa7f8ca..2b42e89db2e5ec2a2927532905cc643d7d297f56 100644
--- a/var/spack/repos/builtin/packages/alquimia/package.py
+++ b/var/spack/repos/builtin/packages/alquimia/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/alsa-lib/package.py b/var/spack/repos/builtin/packages/alsa-lib/package.py
index bb67b893bc685dce8fd721a0e764b023fb13d450..48cf792548dfa28f79b9754c960b487327456106 100644
--- a/var/spack/repos/builtin/packages/alsa-lib/package.py
+++ b/var/spack/repos/builtin/packages/alsa-lib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/amg/package.py b/var/spack/repos/builtin/packages/amg/package.py
index 9bd75a906faab4ec21f168b6b5f8ba1556a02279..5a16aac3e0155c48fd2c18a319ed2c9f6ac22225 100644
--- a/var/spack/repos/builtin/packages/amg/package.py
+++ b/var/spack/repos/builtin/packages/amg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 0s2111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/amg2013/package.py b/var/spack/repos/builtin/packages/amg2013/package.py
index 15d20eb7cacb8c5690cff88d00a857d40c68fd04..78a3ac71c98e4a68dfac077944d7471b1629566b 100644
--- a/var/spack/repos/builtin/packages/amg2013/package.py
+++ b/var/spack/repos/builtin/packages/amg2013/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 0s2111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/amp/package.py b/var/spack/repos/builtin/packages/amp/package.py
index e80b924b112357a4bbff3e43dc37100d23d36153..c56d101a3a1310b6a7f3a074e3882f19ad819f1b 100644
--- a/var/spack/repos/builtin/packages/amp/package.py
+++ b/var/spack/repos/builtin/packages/amp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ampliconnoise/package.py b/var/spack/repos/builtin/packages/ampliconnoise/package.py
index cbdf8ea41974d65e57bcb724a5772f25b179ef3f..e70328fa1ec5870f2e6f9377ddd61a960c637a77 100644
--- a/var/spack/repos/builtin/packages/ampliconnoise/package.py
+++ b/var/spack/repos/builtin/packages/ampliconnoise/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/amrex/package.py b/var/spack/repos/builtin/packages/amrex/package.py
index 771ba8d98e222bde9c76ab699917eb18c4632c56..abf1e549680f8743d29dc887b3898b897f4b0a9b 100644
--- a/var/spack/repos/builtin/packages/amrex/package.py
+++ b/var/spack/repos/builtin/packages/amrex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/amrvis/package.py b/var/spack/repos/builtin/packages/amrvis/package.py
index a65503813804730d73bda08b0cbe6cc7292d146a..b9e69466d70634139d6905037145b582817e4d63 100644
--- a/var/spack/repos/builtin/packages/amrvis/package.py
+++ b/var/spack/repos/builtin/packages/amrvis/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.  #
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/andi/package.py b/var/spack/repos/builtin/packages/andi/package.py
index 58b4bdea4c52aa4c584ca202494c86b8db4724c3..091cdc80efca17f63c6961cd902c48a82543e1dd 100644
--- a/var/spack/repos/builtin/packages/andi/package.py
+++ b/var/spack/repos/builtin/packages/andi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/angsd/package.py b/var/spack/repos/builtin/packages/angsd/package.py
index dcb518d97fce829ddfcd15c008d5cd8e8cd1afa7..e39cc5e5a94f0de22fdbd188aed0fcee76b2d67e 100644
--- a/var/spack/repos/builtin/packages/angsd/package.py
+++ b/var/spack/repos/builtin/packages/angsd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ant/package.py b/var/spack/repos/builtin/packages/ant/package.py
index 50df09f563fe05f3f3262416bae06d926dd3fe69..302ba946997af5b0bb5650a9bf56f0815fea8425 100644
--- a/var/spack/repos/builtin/packages/ant/package.py
+++ b/var/spack/repos/builtin/packages/ant/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/antlr/package.py b/var/spack/repos/builtin/packages/antlr/package.py
index 0455a257b652fee37a413f18e90cb4dcec078aec..70a21cd0f9c347ec640928d11ebd6abfb65d5da2 100644
--- a/var/spack/repos/builtin/packages/antlr/package.py
+++ b/var/spack/repos/builtin/packages/antlr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ants/package.py b/var/spack/repos/builtin/packages/ants/package.py
index 45207f4acb7c0b3df71bd6439890a6b8e795cadd..866301c1e754d3cfc06dd3c3dfea060b0a9c5e11 100644
--- a/var/spack/repos/builtin/packages/ants/package.py
+++ b/var/spack/repos/builtin/packages/ants/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ape/package.py b/var/spack/repos/builtin/packages/ape/package.py
index 5a76fb4434372c5a4f859b83c0b87dff88d4a908..c054c0610637ec4f9283305a4f2da4a668b6d855 100644
--- a/var/spack/repos/builtin/packages/ape/package.py
+++ b/var/spack/repos/builtin/packages/ape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aperture-photometry/package.py b/var/spack/repos/builtin/packages/aperture-photometry/package.py
index f750856e319eaadda3f2a5d1fa5a78a1492aed05..82d4af33b06842d10a245dd24c2fa7b5af1efab1 100644
--- a/var/spack/repos/builtin/packages/aperture-photometry/package.py
+++ b/var/spack/repos/builtin/packages/aperture-photometry/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/apex/package.py b/var/spack/repos/builtin/packages/apex/package.py
index 77d6c28f7f98f57d11b6fc99ae307478dcf44cd0..b78b183021fbd2d6e34e4d385753680d082a18cf 100644
--- a/var/spack/repos/builtin/packages/apex/package.py
+++ b/var/spack/repos/builtin/packages/apex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/apple-libunwind/package.py b/var/spack/repos/builtin/packages/apple-libunwind/package.py
index b77301359a94ea732f970fa7b209fe23e254d1bd..ced31d20e8352080503fc3dc81cc6ce98ddac41a 100644
--- a/var/spack/repos/builtin/packages/apple-libunwind/package.py
+++ b/var/spack/repos/builtin/packages/apple-libunwind/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/applewmproto/package.py b/var/spack/repos/builtin/packages/applewmproto/package.py
index 63d40e1fff4df1102e6885c8b508c4116818b0a3..231becb6b20b3c68bfcf4f97007802702ab9b353 100644
--- a/var/spack/repos/builtin/packages/applewmproto/package.py
+++ b/var/spack/repos/builtin/packages/applewmproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/appres/package.py b/var/spack/repos/builtin/packages/appres/package.py
index 72ebd30028ef6b945949440c07cee15fd1b731be..ab798eb4c22f9a8a08287c77d7795fc41df524b4 100644
--- a/var/spack/repos/builtin/packages/appres/package.py
+++ b/var/spack/repos/builtin/packages/appres/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/apr-util/package.py b/var/spack/repos/builtin/packages/apr-util/package.py
index 7808ad2e204998c7e5c4b07668b7776ff0432a75..0f237e8e6f84f7e6f29677e3c8381b0bd0b9d4c7 100644
--- a/var/spack/repos/builtin/packages/apr-util/package.py
+++ b/var/spack/repos/builtin/packages/apr-util/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/apr/package.py b/var/spack/repos/builtin/packages/apr/package.py
index 033c3c8155260a3d23e970bce90495138ae4efdf..a0e2e9f52e8c087565d82dd5d650539bb6161122 100644
--- a/var/spack/repos/builtin/packages/apr/package.py
+++ b/var/spack/repos/builtin/packages/apr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aragorn/package.py b/var/spack/repos/builtin/packages/aragorn/package.py
index d9e992db26fe4282cc975a3baecfbe914b435541..3bd487877077d5abe134b7f5c86b0d2ce8ab0cf6 100644
--- a/var/spack/repos/builtin/packages/aragorn/package.py
+++ b/var/spack/repos/builtin/packages/aragorn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/archer/package.py b/var/spack/repos/builtin/packages/archer/package.py
index 7a4675adf5d0f92395c69e35c7cbb610b6e4e5b1..fa326d13c709f1a43b3467c6ff8f9c34c0b9240d 100644
--- a/var/spack/repos/builtin/packages/archer/package.py
+++ b/var/spack/repos/builtin/packages/archer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/argobots/package.py b/var/spack/repos/builtin/packages/argobots/package.py
index 2f36bd22ee6d2dd780c7ca558a1dd2da0ee18efa..3df5a2039eb99d1e5e37077cedf794f96fde2ca3 100644
--- a/var/spack/repos/builtin/packages/argobots/package.py
+++ b/var/spack/repos/builtin/packages/argobots/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/argp-standalone/package.py b/var/spack/repos/builtin/packages/argp-standalone/package.py
index cb115e856909f496d02a65f50051a0d4963949ff..1f82edbf87bc31913fe9d6c3c890613edb325037 100644
--- a/var/spack/repos/builtin/packages/argp-standalone/package.py
+++ b/var/spack/repos/builtin/packages/argp-standalone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/argtable/package.py b/var/spack/repos/builtin/packages/argtable/package.py
index 655b48346acf0541ac81287d0094b17eaa34bb64..cc280a1f7c09c316d8a7a90aa02f8eb9b4a42788 100644
--- a/var/spack/repos/builtin/packages/argtable/package.py
+++ b/var/spack/repos/builtin/packages/argtable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/arlecore/package.py b/var/spack/repos/builtin/packages/arlecore/package.py
index 31daa17f8521047d59fb46abd93af75d06696045..e873aa8ffb391854868c2b13634cb1e8344bbbbe 100644
--- a/var/spack/repos/builtin/packages/arlecore/package.py
+++ b/var/spack/repos/builtin/packages/arlecore/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/armadillo/package.py b/var/spack/repos/builtin/packages/armadillo/package.py
index 76fa2a9dbc29e6dfacd36fa40a981c8133b5a28d..f538b2a6ce71f90f3f19f840a3413ad235cc0d39 100644
--- a/var/spack/repos/builtin/packages/armadillo/package.py
+++ b/var/spack/repos/builtin/packages/armadillo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/arpack-ng/package.py b/var/spack/repos/builtin/packages/arpack-ng/package.py
index 50a36156ba631ae9ff42a01b49fd19a7847a8ec7..b6b87f58fe75171e0b86b493686a33ebe3e0c3e3 100644
--- a/var/spack/repos/builtin/packages/arpack-ng/package.py
+++ b/var/spack/repos/builtin/packages/arpack-ng/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/arrow/package.py b/var/spack/repos/builtin/packages/arrow/package.py
index 9fcc344a327574a33b463f1e76770398590fd4e6..63d3709f15e1ab5c4c7a123e41c67457c343809b 100644
--- a/var/spack/repos/builtin/packages/arrow/package.py
+++ b/var/spack/repos/builtin/packages/arrow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ascent/package.py b/var/spack/repos/builtin/packages/ascent/package.py
index 018221fe6c23884cae8f0f43aa3f836e7ce2fdcf..22dd639c1a66a3aa84c102b92617d988786b665b 100644
--- a/var/spack/repos/builtin/packages/ascent/package.py
+++ b/var/spack/repos/builtin/packages/ascent/package.py
@@ -1,28 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/asciidoc/package.py b/var/spack/repos/builtin/packages/asciidoc/package.py
index c923c77001bfeaa9ccbd878d0c67f5e446dc3fe9..f186961cc18db6830f0587e71473d02551fc5934 100644
--- a/var/spack/repos/builtin/packages/asciidoc/package.py
+++ b/var/spack/repos/builtin/packages/asciidoc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspa/package.py b/var/spack/repos/builtin/packages/aspa/package.py
index e58c8ade24a76b63d618ffacb0d4544693bab2d6..2081ed73e10aea77b3318dcc603974cb74a371c5 100644
--- a/var/spack/repos/builtin/packages/aspa/package.py
+++ b/var/spack/repos/builtin/packages/aspa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/aspcud/package.py b/var/spack/repos/builtin/packages/aspcud/package.py
index 54ab326c9f58c919f9317e8446c33a13b7e05cbc..ca4ec493509dbcd15aff7ea8995759d14c13f8c8 100644
--- a/var/spack/repos/builtin/packages/aspcud/package.py
+++ b/var/spack/repos/builtin/packages/aspcud/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspect/package.py b/var/spack/repos/builtin/packages/aspect/package.py
index 61a9efa3a89ddbbcc22bff3ec132b185e5bdea9a..a4ab96e8cc15c27bef84e196d6902fc52cde7269 100644
--- a/var/spack/repos/builtin/packages/aspect/package.py
+++ b/var/spack/repos/builtin/packages/aspect/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspell/package.py b/var/spack/repos/builtin/packages/aspell/package.py
index 30cd8b9a23987b38328a7a1c27b9d92ee2452c6b..5dbe7ed301317f049a01eb9c2a6018461ffb4a14 100644
--- a/var/spack/repos/builtin/packages/aspell/package.py
+++ b/var/spack/repos/builtin/packages/aspell/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspell6-de/package.py b/var/spack/repos/builtin/packages/aspell6-de/package.py
index 18db0a16ea739194de5b4d30f0b1e14594aef575..54688290583b8694235b1f8548895ba7d28e5618 100644
--- a/var/spack/repos/builtin/packages/aspell6-de/package.py
+++ b/var/spack/repos/builtin/packages/aspell6-de/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspell6-en/package.py b/var/spack/repos/builtin/packages/aspell6-en/package.py
index dc74dc7c51d5ac63f7e19b955babc7e4b4ea122c..d49cb61188e71196cc22ee9bac251bc89f824c00 100644
--- a/var/spack/repos/builtin/packages/aspell6-en/package.py
+++ b/var/spack/repos/builtin/packages/aspell6-en/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspell6-es/package.py b/var/spack/repos/builtin/packages/aspell6-es/package.py
index 7b513aae121434b3a86257b63bc5798b2a9178ab..3e11115e9af06b000408bb287613aede392100f9 100644
--- a/var/spack/repos/builtin/packages/aspell6-es/package.py
+++ b/var/spack/repos/builtin/packages/aspell6-es/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/aspera-cli/package.py b/var/spack/repos/builtin/packages/aspera-cli/package.py
index 530234f239ddf8442af3f0e59e9d8ebf38d5ada8..3a903208f1abeb5c1307dfd48cb9b2b1caa85fba 100644
--- a/var/spack/repos/builtin/packages/aspera-cli/package.py
+++ b/var/spack/repos/builtin/packages/aspera-cli/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/assimp/package.py b/var/spack/repos/builtin/packages/assimp/package.py
index 01b20b7da9f810dd65491227f3f52f3548dd406b..3852df5bc42edf33184bb18c7826d13ac83db386 100644
--- a/var/spack/repos/builtin/packages/assimp/package.py
+++ b/var/spack/repos/builtin/packages/assimp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/astra/package.py b/var/spack/repos/builtin/packages/astra/package.py
index 155199174e696ff0535f6780fd720e49ad9fca3b..267fedddf6a277ff1202694ca9660c8d71cc8ee6 100644
--- a/var/spack/repos/builtin/packages/astra/package.py
+++ b/var/spack/repos/builtin/packages/astra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/astral/package.py b/var/spack/repos/builtin/packages/astral/package.py
index 47d8667f9ebffd31b07dc2f8ed045a1c23bb05cc..8c9e25d1e93ad1ba275997fc827f48de65d161e4 100644
--- a/var/spack/repos/builtin/packages/astral/package.py
+++ b/var/spack/repos/builtin/packages/astral/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/astyle/package.py b/var/spack/repos/builtin/packages/astyle/package.py
index 8558b73dacd13bada8e7511791b0b70384ec4fe2..862f6d8691427c4e7d67975bd27a53da22a43eb9 100644
--- a/var/spack/repos/builtin/packages/astyle/package.py
+++ b/var/spack/repos/builtin/packages/astyle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/at-spi2-atk/package.py b/var/spack/repos/builtin/packages/at-spi2-atk/package.py
index ab77a5c27f36fbd4ea81a73ad72c01a6911f34d2..dc6bf63b6c81b488b866d65d50332e452b414608 100644
--- a/var/spack/repos/builtin/packages/at-spi2-atk/package.py
+++ b/var/spack/repos/builtin/packages/at-spi2-atk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/at-spi2-core/package.py b/var/spack/repos/builtin/packages/at-spi2-core/package.py
index 1d7be5b7c2ca51d800f0497f4fe756849c98d52c..868fae2270630834133e9746397137cbfb10eead 100644
--- a/var/spack/repos/builtin/packages/at-spi2-core/package.py
+++ b/var/spack/repos/builtin/packages/at-spi2-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/atk/package.py b/var/spack/repos/builtin/packages/atk/package.py
index 9e641f65d07fed4fd836b080004fb0f403c00f3f..7463dcc42089f1588103db3a79fa99bfe802be89 100644
--- a/var/spack/repos/builtin/packages/atk/package.py
+++ b/var/spack/repos/builtin/packages/atk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/atlas/package.py b/var/spack/repos/builtin/packages/atlas/package.py
index 2db36f8304c133ebd7f002e28b8425e346b80616..0f624ae839a2aec9d335bcc0d00ee39e8525d21e 100644
--- a/var/spack/repos/builtin/packages/atlas/package.py
+++ b/var/spack/repos/builtin/packages/atlas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/atom-dft/package.py b/var/spack/repos/builtin/packages/atom-dft/package.py
index 644b064fb7256dc53469a89a078ee43b1052cfd7..1c42382591392e7525836c3f91d1ee5694ec9c32 100644
--- a/var/spack/repos/builtin/packages/atom-dft/package.py
+++ b/var/spack/repos/builtin/packages/atom-dft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/atompaw/package.py b/var/spack/repos/builtin/packages/atompaw/package.py
index e20dacd5cc1440c334418f51ac0977ba7489d956..430f3a4248700dbe897420b2b592fec68a642a60 100644
--- a/var/spack/repos/builtin/packages/atompaw/package.py
+++ b/var/spack/repos/builtin/packages/atompaw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/atop/package.py b/var/spack/repos/builtin/packages/atop/package.py
index a40ec1da5d09ab499695c22e27dbb2190bad510c..9c8d73b6936cfadcab1d3e867514403350c3b680 100644
--- a/var/spack/repos/builtin/packages/atop/package.py
+++ b/var/spack/repos/builtin/packages/atop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/augustus/package.py b/var/spack/repos/builtin/packages/augustus/package.py
index 6343832462e5e5a3ddffacb56e713fd909718cb9..86cffa20f779191bccd38807316c67858d33c20b 100644
--- a/var/spack/repos/builtin/packages/augustus/package.py
+++ b/var/spack/repos/builtin/packages/augustus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/autoconf/package.py b/var/spack/repos/builtin/packages/autoconf/package.py
index fb202bbce3d7530dbe2ad579402a17496458fbaf..87d24bc6801a2432f896ef0003ccef629e95c179 100644
--- a/var/spack/repos/builtin/packages/autoconf/package.py
+++ b/var/spack/repos/builtin/packages/autoconf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/autodock-vina/package.py b/var/spack/repos/builtin/packages/autodock-vina/package.py
index 4907854a7324e7b492b71f336542d6dcd21cfc13..5efacf02a56005d9ea86b9167cc691f41393ba29 100644
--- a/var/spack/repos/builtin/packages/autodock-vina/package.py
+++ b/var/spack/repos/builtin/packages/autodock-vina/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/autofact/package.py b/var/spack/repos/builtin/packages/autofact/package.py
index 47038685c4ac5b54e4b3ea93e559a617392d3eb3..0ad36c82dd72d5e4cfd4f5d23984dfc0ed000a58 100644
--- a/var/spack/repos/builtin/packages/autofact/package.py
+++ b/var/spack/repos/builtin/packages/autofact/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/autogen/package.py b/var/spack/repos/builtin/packages/autogen/package.py
index fa74a7aa4ffe57d08e15e7755b990b56963fc24f..5f4c893e4577267b88c74bf384fb3dff27d91e49 100644
--- a/var/spack/repos/builtin/packages/autogen/package.py
+++ b/var/spack/repos/builtin/packages/autogen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/automaded/package.py b/var/spack/repos/builtin/packages/automaded/package.py
index 774122de2c17a44455077c9f86cf8f3a96ed4a14..30ca8684cdb633f6a406e521c36edf223e8a8c32 100644
--- a/var/spack/repos/builtin/packages/automaded/package.py
+++ b/var/spack/repos/builtin/packages/automaded/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/automake/package.py b/var/spack/repos/builtin/packages/automake/package.py
index 77d6cf2e9d65ff3994fe533d77eabcc6a634a48d..94bd5696146558ea807690815a92b159188217c9 100644
--- a/var/spack/repos/builtin/packages/automake/package.py
+++ b/var/spack/repos/builtin/packages/automake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/axel/package.py b/var/spack/repos/builtin/packages/axel/package.py
index e40c1e4535b35f7c5578473274947dc01fa02ba3..bd736b2db571cfc1643c3a2b42b595f10a554cff 100644
--- a/var/spack/repos/builtin/packages/axel/package.py
+++ b/var/spack/repos/builtin/packages/axel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/axl/package.py b/var/spack/repos/builtin/packages/axl/package.py
index 32bbac691448bff290a37f888fe9d7d88eebc930..c4118b58f7376742bc574357afcdb36a597e48cb 100644
--- a/var/spack/repos/builtin/packages/axl/package.py
+++ b/var/spack/repos/builtin/packages/axl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.error import SpackError
 
diff --git a/var/spack/repos/builtin/packages/bamdst/package.py b/var/spack/repos/builtin/packages/bamdst/package.py
index 230c8edb57d8d70922d29302865d4a6e069ed4d9..5f8c2b2b04831c3124e622f5a16c0311533f154e 100644
--- a/var/spack/repos/builtin/packages/bamdst/package.py
+++ b/var/spack/repos/builtin/packages/bamdst/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bamtools/package.py b/var/spack/repos/builtin/packages/bamtools/package.py
index 5e025af911d26f5a6a8492daf6f4c02d644d769a..4ad73eb78e26752182c2197246f2b17b673731ef 100644
--- a/var/spack/repos/builtin/packages/bamtools/package.py
+++ b/var/spack/repos/builtin/packages/bamtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/bamutil/package.py b/var/spack/repos/builtin/packages/bamutil/package.py
index f85b3a47d86d51e8d4c64560e9e1ad88329513b8..73a2d322ca151d07bd2f2b1adf1834eaeb0d55d1 100644
--- a/var/spack/repos/builtin/packages/bamutil/package.py
+++ b/var/spack/repos/builtin/packages/bamutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/barrnap/package.py b/var/spack/repos/builtin/packages/barrnap/package.py
index c35d6065e2db01acc1dce5c079f50d89723cdf9e..3332b120a8ad8b18a4cc7af3999a419fe466c181 100644
--- a/var/spack/repos/builtin/packages/barrnap/package.py
+++ b/var/spack/repos/builtin/packages/barrnap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bash-completion/package.py b/var/spack/repos/builtin/packages/bash-completion/package.py
index 1c8126b0fdd23b7df6f814769813d7187427d8e5..668bbc237e95f00ed044817dac9246feca0357ad 100644
--- a/var/spack/repos/builtin/packages/bash-completion/package.py
+++ b/var/spack/repos/builtin/packages/bash-completion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bash/package.py b/var/spack/repos/builtin/packages/bash/package.py
index 606d992bc98f91a675cc4c467109713b65f6fd21..9903e1517d621fd9d985072616d9f91761fd0aa5 100644
--- a/var/spack/repos/builtin/packages/bash/package.py
+++ b/var/spack/repos/builtin/packages/bash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bats/package.py b/var/spack/repos/builtin/packages/bats/package.py
index a16f3cae31fe7e8a53478b977b3c9e31173ab92c..d7ef4088ceb6a8c80db8295ce9c15fd74a95b9d2 100644
--- a/var/spack/repos/builtin/packages/bats/package.py
+++ b/var/spack/repos/builtin/packages/bats/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bazel/package.py b/var/spack/repos/builtin/packages/bazel/package.py
index 69024cad1407c336b48b83ad49acdf9f9b3cba16..9f34d3d52b3c23a7310661ba82032f194f208a3f 100644
--- a/var/spack/repos/builtin/packages/bazel/package.py
+++ b/var/spack/repos/builtin/packages/bazel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from multiprocessing import cpu_count
 from spack.util.environment import env_flag
diff --git a/var/spack/repos/builtin/packages/bbcp/package.py b/var/spack/repos/builtin/packages/bbcp/package.py
index 7144e468d274806ab3362d91ce92b4f625e9def6..bd597decea021966c302e45d0d224ecbabea310e 100644
--- a/var/spack/repos/builtin/packages/bbcp/package.py
+++ b/var/spack/repos/builtin/packages/bbcp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bbmap/package.py b/var/spack/repos/builtin/packages/bbmap/package.py
index f32cd0606d4a37afc929863ca433c6b8f77e6313..d73b72cc2f91ae50c70eacddb51f9f458fd08b4f 100644
--- a/var/spack/repos/builtin/packages/bbmap/package.py
+++ b/var/spack/repos/builtin/packages/bbmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bc/package.py b/var/spack/repos/builtin/packages/bc/package.py
index d2acb24752de712a4926f0325e8debde5237c50c..6f149e6fa959c4ac1abbfe2df93a5f681c60a8d6 100644
--- a/var/spack/repos/builtin/packages/bc/package.py
+++ b/var/spack/repos/builtin/packages/bc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bcftools/package.py b/var/spack/repos/builtin/packages/bcftools/package.py
index 2e2a33f9aac1fef90c8dc3a1eabaa12918118565..7b75fc647aa509890bdbf0a6e596dd6e4c30dd6d 100644
--- a/var/spack/repos/builtin/packages/bcftools/package.py
+++ b/var/spack/repos/builtin/packages/bcftools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bcl2fastq2/package.py b/var/spack/repos/builtin/packages/bcl2fastq2/package.py
index eb86367fb065b6d80ea2f3251a25f3faa3153ac2..f3eb3175ac75594052f1bd1ea8973fc7187d62e4 100644
--- a/var/spack/repos/builtin/packages/bcl2fastq2/package.py
+++ b/var/spack/repos/builtin/packages/bcl2fastq2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import glob
diff --git a/var/spack/repos/builtin/packages/bdftopcf/package.py b/var/spack/repos/builtin/packages/bdftopcf/package.py
index 382da41b04e67e8509dbaa9efae028d34f0d592d..71408182043409d0e7e830b237bd4f15331f6e64 100644
--- a/var/spack/repos/builtin/packages/bdftopcf/package.py
+++ b/var/spack/repos/builtin/packages/bdftopcf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bdw-gc/package.py b/var/spack/repos/builtin/packages/bdw-gc/package.py
index d33dd46509c914709bda93a17dda33d125be1783..4246867f22fea5fdc7232534fc278cecd5f86af7 100644
--- a/var/spack/repos/builtin/packages/bdw-gc/package.py
+++ b/var/spack/repos/builtin/packages/bdw-gc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bear/package.py b/var/spack/repos/builtin/packages/bear/package.py
index e5ad5fd739e7e5f837042b21b2ecbb11c86f2995..1117ef5aacb0b5e428ddb1575ac55bc0dc3571c7 100644
--- a/var/spack/repos/builtin/packages/bear/package.py
+++ b/var/spack/repos/builtin/packages/bear/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/beast1/package.py b/var/spack/repos/builtin/packages/beast1/package.py
index 2d559f5ae05e00b65348a319e79446f9f168f89b..f9c94650e406bb2484c5c4dd026c5647e5bd1085 100644
--- a/var/spack/repos/builtin/packages/beast1/package.py
+++ b/var/spack/repos/builtin/packages/beast1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/beast2/package.py b/var/spack/repos/builtin/packages/beast2/package.py
index 359054709280bb98eb342f0b7f0e51a7b2839356..a5b8182e7455b663fbc562c962916be250880fcd 100644
--- a/var/spack/repos/builtin/packages/beast2/package.py
+++ b/var/spack/repos/builtin/packages/beast2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bedops/package.py b/var/spack/repos/builtin/packages/bedops/package.py
index 15c3f53bcc5fd0e4724cc0ca92f50b11dcad8ad9..9e22dbbe1037241a03463b66dc9542c8f303c389 100644
--- a/var/spack/repos/builtin/packages/bedops/package.py
+++ b/var/spack/repos/builtin/packages/bedops/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bedtools2/package.py b/var/spack/repos/builtin/packages/bedtools2/package.py
index 17cecd699d308cf4eda1e7090d3c34251be507f6..55d06175bb8d6b07696a8aed6810b06d7d296249 100644
--- a/var/spack/repos/builtin/packages/bedtools2/package.py
+++ b/var/spack/repos/builtin/packages/bedtools2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/beforelight/package.py b/var/spack/repos/builtin/packages/beforelight/package.py
index eb652c3245d7797aa411b7a02840af40ca846880..fcde1adb4c684db3f4a1424d536908b80fb3ad08 100644
--- a/var/spack/repos/builtin/packages/beforelight/package.py
+++ b/var/spack/repos/builtin/packages/beforelight/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/benchmark/package.py b/var/spack/repos/builtin/packages/benchmark/package.py
index 24546d01d37321d71592bcc9a706843f302dbbde..83abbde81279c40a45d531015b83de4ef003c52b 100644
--- a/var/spack/repos/builtin/packages/benchmark/package.py
+++ b/var/spack/repos/builtin/packages/benchmark/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/berkeley-db/package.py b/var/spack/repos/builtin/packages/berkeley-db/package.py
index 3962ef3472a3aae7884dda78d72a0037622e54f2..bd47c239af67fea73afdbacb5ce369beb76cd11a 100644
--- a/var/spack/repos/builtin/packages/berkeley-db/package.py
+++ b/var/spack/repos/builtin/packages/berkeley-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bertini/package.py b/var/spack/repos/builtin/packages/bertini/package.py
index 09886c7bb310c008a34dfd03ebedda0a65243c90..3b9f9efd344ac8361f34c5f66d0e3c1db7af6149 100644
--- a/var/spack/repos/builtin/packages/bertini/package.py
+++ b/var/spack/repos/builtin/packages/bertini/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bib2xhtml/package.py b/var/spack/repos/builtin/packages/bib2xhtml/package.py
index d3f0498f82261209cb946bbdd6bb2deb2d4ec8f7..0a50a18004a9ee4bd1253ade1f39de3721e65cd8 100644
--- a/var/spack/repos/builtin/packages/bib2xhtml/package.py
+++ b/var/spack/repos/builtin/packages/bib2xhtml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/bigreqsproto/package.py b/var/spack/repos/builtin/packages/bigreqsproto/package.py
index 3cfe9a13e58f420c6e36f93d3fea1d1e8a7297e3..323ea99d6ca644697d7e6db81c631b1de411ad78 100644
--- a/var/spack/repos/builtin/packages/bigreqsproto/package.py
+++ b/var/spack/repos/builtin/packages/bigreqsproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/binutils/package.py b/var/spack/repos/builtin/packages/binutils/package.py
index 9d2e72f3ad21df2371f7e5f9e5bec61469df015b..97b5c54aa6f62091fbc77e2a57b42fcb87bef692 100644
--- a/var/spack/repos/builtin/packages/binutils/package.py
+++ b/var/spack/repos/builtin/packages/binutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bioawk/package.py b/var/spack/repos/builtin/packages/bioawk/package.py
index 8ea38bf293075a90f81acdfb2049ba0818d165de..3a5318bc70ab0095c65505a76a528589107b0d96 100644
--- a/var/spack/repos/builtin/packages/bioawk/package.py
+++ b/var/spack/repos/builtin/packages/bioawk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/biopieces/package.py b/var/spack/repos/builtin/packages/biopieces/package.py
index c72eba1b688bff7e0a0cf71457206f143e789bb4..c237fdf564ea22ccc47094d9a48ac12edc9e12d6 100644
--- a/var/spack/repos/builtin/packages/biopieces/package.py
+++ b/var/spack/repos/builtin/packages/biopieces/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bismark/package.py b/var/spack/repos/builtin/packages/bismark/package.py
index 62cb5a0ce9557f3e2009f8a35c7fb9d5e8693158..4326c63fc6e44c5cc79a2b640dfc9c50d8e6dd7f 100644
--- a/var/spack/repos/builtin/packages/bismark/package.py
+++ b/var/spack/repos/builtin/packages/bismark/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bison/package.py b/var/spack/repos/builtin/packages/bison/package.py
index 7474950b7bfc5936d7f5897818a03acb0db7b542..bd2b66d53d34dbd1cd55052ef41bb90417a3a9db 100644
--- a/var/spack/repos/builtin/packages/bison/package.py
+++ b/var/spack/repos/builtin/packages/bison/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.operating_systems.mac_os import macos_version
 import sys
diff --git a/var/spack/repos/builtin/packages/bitmap/package.py b/var/spack/repos/builtin/packages/bitmap/package.py
index 46d64b2fed804ed7ba63d6847b924a1c17875887..cc0c49aadeb9721340a0a3c1a7f6030d4e4f494d 100644
--- a/var/spack/repos/builtin/packages/bitmap/package.py
+++ b/var/spack/repos/builtin/packages/bitmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/blasr-libcpp/package.py b/var/spack/repos/builtin/packages/blasr-libcpp/package.py
index c597fae507a22cbe71ae1bd870fee06494c87325..ceb7d642fffd251738db7e3131adf1d61138fe60 100644
--- a/var/spack/repos/builtin/packages/blasr-libcpp/package.py
+++ b/var/spack/repos/builtin/packages/blasr-libcpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/blasr/package.py b/var/spack/repos/builtin/packages/blasr/package.py
index b7f100b642e29941ea438a35d5fdf597ee34c08f..b7bbd3790f4aecb9e06df2e504cd08b40a5bf03a 100644
--- a/var/spack/repos/builtin/packages/blasr/package.py
+++ b/var/spack/repos/builtin/packages/blasr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-##
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/blast-plus/package.py b/var/spack/repos/builtin/packages/blast-plus/package.py
index f4c7c696cc9a688c3618a521770cc9183c8664cc..3cc075f5785af688c9f548f9fcc1540d7b797fc9 100644
--- a/var/spack/repos/builtin/packages/blast-plus/package.py
+++ b/var/spack/repos/builtin/packages/blast-plus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # This is a based largely on the Homebrew science formula:
 # https://github.com/Homebrew/homebrew-science/blob/master/blast.rb
diff --git a/var/spack/repos/builtin/packages/blat/package.py b/var/spack/repos/builtin/packages/blat/package.py
index 46d40d75a43df09a0abbbf4288f9080b98e74325..8e0abb249f7efc8f25cbb1919be6acfffb8ddadf 100644
--- a/var/spack/repos/builtin/packages/blat/package.py
+++ b/var/spack/repos/builtin/packages/blat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/blaze/package.py b/var/spack/repos/builtin/packages/blaze/package.py
index d43f0523d6906762f36ebcf17be07e57b99c7ce6..5bfea7cc719225edf0d46a2caa9a1e3a608174cd 100644
--- a/var/spack/repos/builtin/packages/blaze/package.py
+++ b/var/spack/repos/builtin/packages/blaze/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/blis/package.py b/var/spack/repos/builtin/packages/blis/package.py
index cf9ed62d280af5eb6efdc546513c509f60eb5e07..771797d4b2b8a69ed0da435b375d551a1935eadc 100644
--- a/var/spack/repos/builtin/packages/blis/package.py
+++ b/var/spack/repos/builtin/packages/blis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 # Although this looks like an Autotools package, it's not one. Refer to:
diff --git a/var/spack/repos/builtin/packages/bliss/package.py b/var/spack/repos/builtin/packages/bliss/package.py
index 7e9091aacd345327b1d63218d125ccbc82625fa3..42aef78a91ba73c312d48428818cecc611efb565 100644
--- a/var/spack/repos/builtin/packages/bliss/package.py
+++ b/var/spack/repos/builtin/packages/bliss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/blitz/package.py b/var/spack/repos/builtin/packages/blitz/package.py
index 184262fa253a33b1af46aaeb445c6003bd840ebd..cda7309b3ed454f7dba8ac622636eaefc4986e01 100644
--- a/var/spack/repos/builtin/packages/blitz/package.py
+++ b/var/spack/repos/builtin/packages/blitz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bmake/package.py b/var/spack/repos/builtin/packages/bmake/package.py
index 8dd5950de6500ac315c5eb7bb468023b4c0e0489..463a6e71349b0014de28bf5e3dc8fd6b79f0d901 100644
--- a/var/spack/repos/builtin/packages/bmake/package.py
+++ b/var/spack/repos/builtin/packages/bmake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bml/package.py b/var/spack/repos/builtin/packages/bml/package.py
index fe9b04d26b650268d428da5b4658b790ef33e340..ca00cf4a3dcdc71b67e70fce0cc6159e0700ac56 100644
--- a/var/spack/repos/builtin/packages/bml/package.py
+++ b/var/spack/repos/builtin/packages/bml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bohrium/package.py b/var/spack/repos/builtin/packages/bohrium/package.py
index 097b9d91940c34f97373932e245e9c3d0cef5688..9df2ace777b0e630a08d773ec014fdba7d4ddc6f 100644
--- a/var/spack/repos/builtin/packages/bohrium/package.py
+++ b/var/spack/repos/builtin/packages/bohrium/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.package_test import compare_output
 from spack.util.executable import Executable
diff --git a/var/spack/repos/builtin/packages/bolt/package.py b/var/spack/repos/builtin/packages/bolt/package.py
index 7af61eb9f446d29e48cf03ba79e6db74edc730e2..5d24e1fa154cc2ed532025d1ff8b3e62ebaa590c 100644
--- a/var/spack/repos/builtin/packages/bolt/package.py
+++ b/var/spack/repos/builtin/packages/bolt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bookleaf-cpp/package.py b/var/spack/repos/builtin/packages/bookleaf-cpp/package.py
index eb2b0c100b5277e22f88bee2d312133293ce97e2..c2c23b55fc061330255afd55c36ae6ec0d332a67 100644
--- a/var/spack/repos/builtin/packages/bookleaf-cpp/package.py
+++ b/var/spack/repos/builtin/packages/bookleaf-cpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/boost/package.py b/var/spack/repos/builtin/packages/boost/package.py
index e625591813f294e9f0afd834890cec13d8998fa0..5b51187fead62d35eaec35d2932d93d456c0e832 100644
--- a/var/spack/repos/builtin/packages/boost/package.py
+++ b/var/spack/repos/builtin/packages/boost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 import os
diff --git a/var/spack/repos/builtin/packages/boostmplcartesianproduct/package.py b/var/spack/repos/builtin/packages/boostmplcartesianproduct/package.py
index 7ddc65b439104229a28e6adc601963a2686e4dfc..d38609235c2f88297ed0c79c0f7d584527ef08a3 100644
--- a/var/spack/repos/builtin/packages/boostmplcartesianproduct/package.py
+++ b/var/spack/repos/builtin/packages/boostmplcartesianproduct/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/bowtie/package.py b/var/spack/repos/builtin/packages/bowtie/package.py
index 1b47a2372ccd59a5afe5eb2415e6a4af5d82a7e0..50f4c3e1cd9bc3616f1208f727422cd1b4e1d140 100644
--- a/var/spack/repos/builtin/packages/bowtie/package.py
+++ b/var/spack/repos/builtin/packages/bowtie/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bowtie2/package.py b/var/spack/repos/builtin/packages/bowtie2/package.py
index ab5be0ce795ee180bba8b49e324f3a444e44e580..7b016710edae7590449ddd6a8c967827e370f3e3 100644
--- a/var/spack/repos/builtin/packages/bowtie2/package.py
+++ b/var/spack/repos/builtin/packages/bowtie2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/boxlib/package.py b/var/spack/repos/builtin/packages/boxlib/package.py
index 9546d28f53985a429434d56738116c8f9008cf46..c5f88f48963a7ae143bf6a606a3f8b92e57b2e6a 100644
--- a/var/spack/repos/builtin/packages/boxlib/package.py
+++ b/var/spack/repos/builtin/packages/boxlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bpp-core/package.py b/var/spack/repos/builtin/packages/bpp-core/package.py
index 3ab12d493d827573c3368a635d9608925e1f16c2..d52e51519d35302dbf1413ba255f555ed63bc28a 100644
--- a/var/spack/repos/builtin/packages/bpp-core/package.py
+++ b/var/spack/repos/builtin/packages/bpp-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bpp-phyl/package.py b/var/spack/repos/builtin/packages/bpp-phyl/package.py
index bd177f12d5a8f2bd3ad2da058c3d7ab16b6c752d..9564468e3dd4514630465278887c76dc105a67d4 100644
--- a/var/spack/repos/builtin/packages/bpp-phyl/package.py
+++ b/var/spack/repos/builtin/packages/bpp-phyl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bpp-seq/package.py b/var/spack/repos/builtin/packages/bpp-seq/package.py
index 2dda0afc61d8faeeddc767c7babcc10df07ef36d..bd16f0828dca8b58bfcef980c74e3c3e075f5392 100644
--- a/var/spack/repos/builtin/packages/bpp-seq/package.py
+++ b/var/spack/repos/builtin/packages/bpp-seq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bpp-suite/package.py b/var/spack/repos/builtin/packages/bpp-suite/package.py
index 38edcb4a6b80d65acb25fc4a02edf6968fa89074..acf0fadf2f1fea3394ef74414747f25fd50eb456 100644
--- a/var/spack/repos/builtin/packages/bpp-suite/package.py
+++ b/var/spack/repos/builtin/packages/bpp-suite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bracken/package.py b/var/spack/repos/builtin/packages/bracken/package.py
index 4dc82b473755f5fa50373921d8b786c673fbfeca..ed48722a5924577825a0e6c19165dcbd2707a799 100644
--- a/var/spack/repos/builtin/packages/bracken/package.py
+++ b/var/spack/repos/builtin/packages/bracken/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/braker/package.py b/var/spack/repos/builtin/packages/braker/package.py
index 5aba032e58708728b76e6f2fc21c91d4596a1025..a295a4943af17979e3e3c903db854ef345b65c91 100644
--- a/var/spack/repos/builtin/packages/braker/package.py
+++ b/var/spack/repos/builtin/packages/braker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/branson/package.py b/var/spack/repos/builtin/packages/branson/package.py
index a5bf0d4f7f39cb0ade9f6063d76be5afb3469992..b87e91f08a7b5d64486153cafe5eb65c650a34ab 100644
--- a/var/spack/repos/builtin/packages/branson/package.py
+++ b/var/spack/repos/builtin/packages/branson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/breakdancer/package.py b/var/spack/repos/builtin/packages/breakdancer/package.py
index d9d1236ea53225d330744c68573965b6c69a1211..c068094d6abaceacd4400d1ca262bccfc5ee1e1a 100644
--- a/var/spack/repos/builtin/packages/breakdancer/package.py
+++ b/var/spack/repos/builtin/packages/breakdancer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/breseq/package.py b/var/spack/repos/builtin/packages/breseq/package.py
index a0ddfd3038b078d8d228aa17eeefa99ff98e5f4e..6e406fba6aa6aea61d789d843df71c42cb377376 100644
--- a/var/spack/repos/builtin/packages/breseq/package.py
+++ b/var/spack/repos/builtin/packages/breseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/brigand/package.py b/var/spack/repos/builtin/packages/brigand/package.py
index dddff731c03654850f2d5369ba6203bf91cfdecd..f92b2814b3d8fe14499b995254f44c7072f49e34 100644
--- a/var/spack/repos/builtin/packages/brigand/package.py
+++ b/var/spack/repos/builtin/packages/brigand/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/bsseeker2/package.py b/var/spack/repos/builtin/packages/bsseeker2/package.py
index bbf24b9676ec99b3e804ecfeacdd6bddf7f9c287..f066a3e7ea33ccf6fc76558a59a73aa58219890a 100644
--- a/var/spack/repos/builtin/packages/bsseeker2/package.py
+++ b/var/spack/repos/builtin/packages/bsseeker2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bucky/package.py b/var/spack/repos/builtin/packages/bucky/package.py
index fba78ff942eb7da0bca610a058a97c5541bbcd6a..98b71eb8ec985eeaa13272c2771f17d2e791ae1a 100644
--- a/var/spack/repos/builtin/packages/bucky/package.py
+++ b/var/spack/repos/builtin/packages/bucky/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bumpversion/package.py b/var/spack/repos/builtin/packages/bumpversion/package.py
index 2be81abb2516e03a056ef145217ee053eef3a30c..66dff78fc930616f068fb885d273c44262660b2b 100644
--- a/var/spack/repos/builtin/packages/bumpversion/package.py
+++ b/var/spack/repos/builtin/packages/bumpversion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/busco/package.py b/var/spack/repos/builtin/packages/busco/package.py
index a6b97da35df6f6ff8afc08fcd9e19315a53dc03f..e0d56e6d8138b3a42f3e8bcea05aa4a3d980a341 100644
--- a/var/spack/repos/builtin/packages/busco/package.py
+++ b/var/spack/repos/builtin/packages/busco/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/butter/package.py b/var/spack/repos/builtin/packages/butter/package.py
index a989538d938a18ea76a331790e64b578e41f6643..787a4aa759bbf5c2d50564e12def9b153a13a54a 100644
--- a/var/spack/repos/builtin/packages/butter/package.py
+++ b/var/spack/repos/builtin/packages/butter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bwa/package.py b/var/spack/repos/builtin/packages/bwa/package.py
index f070d126115c28de22fa88d11a711adf53920b3f..c32dbaa72a387708f688b8a1268eab09e2288d41 100644
--- a/var/spack/repos/builtin/packages/bwa/package.py
+++ b/var/spack/repos/builtin/packages/bwa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/bwtool/package.py b/var/spack/repos/builtin/packages/bwtool/package.py
index 2cb2c2277b5d2f41070f2ab15e64bbc93223ad20..d1505bc50fab22309c9e7a0a2778d12c4516c8a9 100644
--- a/var/spack/repos/builtin/packages/bwtool/package.py
+++ b/var/spack/repos/builtin/packages/bwtool/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/byobu/package.py b/var/spack/repos/builtin/packages/byobu/package.py
index 30f2c37ce80b0c0a2de43278ebbdff5cf5bc3f3f..f6cd346aedf81dd09c67b9cb816904c3b9d2759d 100644
--- a/var/spack/repos/builtin/packages/byobu/package.py
+++ b/var/spack/repos/builtin/packages/byobu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/bzip2/package.py b/var/spack/repos/builtin/packages/bzip2/package.py
index 6ba1c5ded6aa2032be135647f6c3f060248a0650..2f89b73b8eac26b3021dfd19acd840a5aeb61692 100644
--- a/var/spack/repos/builtin/packages/bzip2/package.py
+++ b/var/spack/repos/builtin/packages/bzip2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/c-blosc/package.py b/var/spack/repos/builtin/packages/c-blosc/package.py
index e852a125c85d6ad430a4a0920c7fcdc36b90115e..fd2ecc70cb03e3bc59057e8c329e3186d1a7104c 100644
--- a/var/spack/repos/builtin/packages/c-blosc/package.py
+++ b/var/spack/repos/builtin/packages/c-blosc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import sys
 
diff --git a/var/spack/repos/builtin/packages/c-lime/package.py b/var/spack/repos/builtin/packages/c-lime/package.py
index e6cd3a660f5d241587b337741e1ef7dab8a399ce..916f95ffd6401cb886647d188ca16558df9eb732 100644
--- a/var/spack/repos/builtin/packages/c-lime/package.py
+++ b/var/spack/repos/builtin/packages/c-lime/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cabana/package.py b/var/spack/repos/builtin/packages/cabana/package.py
index 2aca80b12f010d5055318e77674806b4505f8964..0dcc74f21ed92e094ad6e17be4ec376e472fc2ad 100644
--- a/var/spack/repos/builtin/packages/cabana/package.py
+++ b/var/spack/repos/builtin/packages/cabana/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/caffe/package.py b/var/spack/repos/builtin/packages/caffe/package.py
index 489bc537cbcc8480fb7a44e3288d402e7713e6b3..97e3e643cc4ff2d446daa0f87dba027e03b39494 100644
--- a/var/spack/repos/builtin/packages/caffe/package.py
+++ b/var/spack/repos/builtin/packages/caffe/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cairo/package.py b/var/spack/repos/builtin/packages/cairo/package.py
index 2c4411f0b0be719e019c75fefa76c26dcdbdb1ab..b6c9deabe6e2f1849a79cac623b2695fb93d64cf 100644
--- a/var/spack/repos/builtin/packages/cairo/package.py
+++ b/var/spack/repos/builtin/packages/cairo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cairomm/package.py b/var/spack/repos/builtin/packages/cairomm/package.py
index 37408d50c593f171870efa062b923df62fd6032c..323288ea5ae67c9e0cfac72f6c25368763b39a9e 100644
--- a/var/spack/repos/builtin/packages/cairomm/package.py
+++ b/var/spack/repos/builtin/packages/cairomm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/caliper/package.py b/var/spack/repos/builtin/packages/caliper/package.py
index ddbe53836237dd0a1406d38d1cf7a4702840af0b..428800041010803b08caf03e0f8af0a5695f9448 100644
--- a/var/spack/repos/builtin/packages/caliper/package.py
+++ b/var/spack/repos/builtin/packages/caliper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import sys
diff --git a/var/spack/repos/builtin/packages/callpath/package.py b/var/spack/repos/builtin/packages/callpath/package.py
index d5aa47fdea9284032b0a177e35918c001bd0581f..479a2d0abc54e125c49521b2d854a18d59c2293d 100644
--- a/var/spack/repos/builtin/packages/callpath/package.py
+++ b/var/spack/repos/builtin/packages/callpath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/camellia/package.py b/var/spack/repos/builtin/packages/camellia/package.py
index 715c19f0419f7cd94a48745ceba156f5d2ae2d83..c97a74a0d3547db0d6672a47a02c3c1d640d6f8f 100644
--- a/var/spack/repos/builtin/packages/camellia/package.py
+++ b/var/spack/repos/builtin/packages/camellia/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/candle-benchmarks/package.py b/var/spack/repos/builtin/packages/candle-benchmarks/package.py
index 6806b24a35df2e1d2e6b6ac885dd3ed7fd722fea..6b15e5ebec2ea57e3f0bbaeaa77a3bd60b1db49f 100644
--- a/var/spack/repos/builtin/packages/candle-benchmarks/package.py
+++ b/var/spack/repos/builtin/packages/candle-benchmarks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cantera/package.py b/var/spack/repos/builtin/packages/cantera/package.py
index f3d6047893c5b97c6405ed39165d7d8bc7a78f92..b710163870b8ed88149a26201e5a51b4301c7760 100644
--- a/var/spack/repos/builtin/packages/cantera/package.py
+++ b/var/spack/repos/builtin/packages/cantera/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/canu/package.py b/var/spack/repos/builtin/packages/canu/package.py
index 43f6e8459a76b993a7cbf3151722834ce9f43b89..2b99fe63fcf6d06c867423d961d88a13935d459e 100644
--- a/var/spack/repos/builtin/packages/canu/package.py
+++ b/var/spack/repos/builtin/packages/canu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cap3/package.py b/var/spack/repos/builtin/packages/cap3/package.py
index 37c0aad378dcfb65a01f22fbffe002ee601236c5..e0d760ccbdf43748d08153a0d8740d61d097c526 100644
--- a/var/spack/repos/builtin/packages/cap3/package.py
+++ b/var/spack/repos/builtin/packages/cap3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cares/package.py b/var/spack/repos/builtin/packages/cares/package.py
index 894f646c00aa54c8f97094e03504ff8a18844906..36c155a95e70d6df8c712c578b7c91a029b0af4d 100644
--- a/var/spack/repos/builtin/packages/cares/package.py
+++ b/var/spack/repos/builtin/packages/cares/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cask/package.py b/var/spack/repos/builtin/packages/cask/package.py
index 96d601d39cd17ed8dd7addc02aae4ed9801bde62..ba4d29d84541579e4a9b787d3b641eee158b6d34 100644
--- a/var/spack/repos/builtin/packages/cask/package.py
+++ b/var/spack/repos/builtin/packages/cask/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Based on Homebrew's formula:
 # https://github.com/Homebrew/homebrew-core/blob/master/Formula/cask.rb
diff --git a/var/spack/repos/builtin/packages/casper/package.py b/var/spack/repos/builtin/packages/casper/package.py
index 1469ec68df4af5cef10699b22032e16625d122e0..39754fe3b1830181225cd11e095a78504848661a 100644
--- a/var/spack/repos/builtin/packages/casper/package.py
+++ b/var/spack/repos/builtin/packages/casper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/catalyst/package.py b/var/spack/repos/builtin/packages/catalyst/package.py
index 91f96228734f170433fdb3ee63374654d9c9eabe..40f72a125cfd0e99e9eb9c71d7478f538a834d0a 100644
--- a/var/spack/repos/builtin/packages/catalyst/package.py
+++ b/var/spack/repos/builtin/packages/catalyst/package.py
@@ -1,30 +1,8 @@
-##############################################################################
-# Copyright (c) 2018 Simone Bna, CINECA.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file was authored by Simone Bna <simone.bna@cineca.it>
-# and is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for the LLNL notice and LGPL.
-#
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import subprocess
diff --git a/var/spack/repos/builtin/packages/catch/package.py b/var/spack/repos/builtin/packages/catch/package.py
index 261b3952e55098be7dcf16a16311a98811792275..0db27a853d529baa595cd524c10845ee167f1d8e 100644
--- a/var/spack/repos/builtin/packages/catch/package.py
+++ b/var/spack/repos/builtin/packages/catch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cbench/package.py b/var/spack/repos/builtin/packages/cbench/package.py
index 21482a25417b4d30602c2b7760c30886e802278b..d7bd1a7eb7ee9fe6b1ca8706b7dc1b27110fa3e4 100644
--- a/var/spack/repos/builtin/packages/cbench/package.py
+++ b/var/spack/repos/builtin/packages/cbench/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cblas/package.py b/var/spack/repos/builtin/packages/cblas/package.py
index 0917dd70f2abd7c8aa4e4d5e22f89b4aa236184a..3a366641039fb2d5b08c386d87bb3dbef40ea48e 100644
--- a/var/spack/repos/builtin/packages/cblas/package.py
+++ b/var/spack/repos/builtin/packages/cblas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cbtf-argonavis-gui/package.py b/var/spack/repos/builtin/packages/cbtf-argonavis-gui/package.py
index 7e2b1db644db4b1e65b7588f2c43c46d1e0759d2..514a6eb61ebd9dd51324a0efb4b1f8dbfc55ed54 100644
--- a/var/spack/repos/builtin/packages/cbtf-argonavis-gui/package.py
+++ b/var/spack/repos/builtin/packages/cbtf-argonavis-gui/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##########################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##########################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/cbtf-argonavis/package.py b/var/spack/repos/builtin/packages/cbtf-argonavis/package.py
index 7f837e88a3b0299c0e818bd5fb9e7286f8e340a6..5342daf8a6cf679ffe22ede50732cba0db069335 100644
--- a/var/spack/repos/builtin/packages/cbtf-argonavis/package.py
+++ b/var/spack/repos/builtin/packages/cbtf-argonavis/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##########################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##########################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/cbtf-krell/package.py b/var/spack/repos/builtin/packages/cbtf-krell/package.py
index e5658c778a21f04c22586b06f53d89eb4f77ec9f..52ed0295021b52cae92ec0ddaa9a1d48b6937ec7 100644
--- a/var/spack/repos/builtin/packages/cbtf-krell/package.py
+++ b/var/spack/repos/builtin/packages/cbtf-krell/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##########################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##########################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 import spack
diff --git a/var/spack/repos/builtin/packages/cbtf-lanl/package.py b/var/spack/repos/builtin/packages/cbtf-lanl/package.py
index dfbe7c47095808a8d4a32ce3ed24302cb62b3d6e..6c44638b733766f0d43d7bad75eab8479373ae31 100644
--- a/var/spack/repos/builtin/packages/cbtf-lanl/package.py
+++ b/var/spack/repos/builtin/packages/cbtf-lanl/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##########################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##########################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/cbtf/package.py b/var/spack/repos/builtin/packages/cbtf/package.py
index 1d588ade9364ff6d7b23d026fec7ad5ccb4b56c5..0ab4703dc65cb35926b227b7d932481f46224776 100644
--- a/var/spack/repos/builtin/packages/cbtf/package.py
+++ b/var/spack/repos/builtin/packages/cbtf/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##########################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##########################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/ccache/package.py b/var/spack/repos/builtin/packages/ccache/package.py
index 508ea1f7dbc95702c2d22ae6ce98ec297bf497b4..6446768e4f9710dbfb4feedb4e6cebb07083f021 100644
--- a/var/spack/repos/builtin/packages/ccache/package.py
+++ b/var/spack/repos/builtin/packages/ccache/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cctools/package.py b/var/spack/repos/builtin/packages/cctools/package.py
index f97c410d6c6f5f8b2620aaf251f728eef7f7aa15..63cc6a83b06cc2473b38aa31175d0d9d7385be89 100644
--- a/var/spack/repos/builtin/packages/cctools/package.py
+++ b/var/spack/repos/builtin/packages/cctools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cdbfasta/package.py b/var/spack/repos/builtin/packages/cdbfasta/package.py
index c1e2b519cbeb147eb7776049645411fd13e8c782..11bccc8f9d6c8aab2518dd9e2d284b1859aaaeb8 100644
--- a/var/spack/repos/builtin/packages/cdbfasta/package.py
+++ b/var/spack/repos/builtin/packages/cdbfasta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cdd/package.py b/var/spack/repos/builtin/packages/cdd/package.py
index ec693a19e1af23c93bd03eee780b2d883a9d7016..706ee1876de3cb95f2426c369eeafbd9ff58cc1d 100644
--- a/var/spack/repos/builtin/packages/cdd/package.py
+++ b/var/spack/repos/builtin/packages/cdd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/cddlib/package.py b/var/spack/repos/builtin/packages/cddlib/package.py
index aeccc1617900cecc1eb5245fbc0a4297fb17c10a..328f76bd613a05be34051a3492dfdfe07305160a 100644
--- a/var/spack/repos/builtin/packages/cddlib/package.py
+++ b/var/spack/repos/builtin/packages/cddlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/cdhit/package.py b/var/spack/repos/builtin/packages/cdhit/package.py
index e785f736beb39fcb9de1abe54af0fe6ed7572040..14857581bf752da6990714a95700a7414a35c212 100644
--- a/var/spack/repos/builtin/packages/cdhit/package.py
+++ b/var/spack/repos/builtin/packages/cdhit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cdo/package.py b/var/spack/repos/builtin/packages/cdo/package.py
index 807992f830af6b59388dfe1258fca17494edca58..68a23730ea8ee1671793f30ef282943c19a25b3b 100644
--- a/var/spack/repos/builtin/packages/cdo/package.py
+++ b/var/spack/repos/builtin/packages/cdo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ceed/package.py b/var/spack/repos/builtin/packages/ceed/package.py
index a5e2c73da3bb36125beeaf428b9f6943ef9ac2a6..94d4d985451874d1227bacef88732aae7d6fb111 100644
--- a/var/spack/repos/builtin/packages/ceed/package.py
+++ b/var/spack/repos/builtin/packages/ceed/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/cereal/package.py b/var/spack/repos/builtin/packages/cereal/package.py
index dadfb1026080c088f6ae393ae1f190b1c3501dbd..4317303d48d6875960d8793e612ca745361d9f64 100644
--- a/var/spack/repos/builtin/packages/cereal/package.py
+++ b/var/spack/repos/builtin/packages/cereal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ceres-solver/package.py b/var/spack/repos/builtin/packages/ceres-solver/package.py
index c3fbda2f3cfaa82409e86b5adc4229cc2fc5c90f..a30e6468cd3ec9311306c42a4ab2660e4ba39c9e 100644
--- a/var/spack/repos/builtin/packages/ceres-solver/package.py
+++ b/var/spack/repos/builtin/packages/ceres-solver/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, The VOTCA Development Team (http://www.votca.org)
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cfitsio/package.py b/var/spack/repos/builtin/packages/cfitsio/package.py
index 6bc3a58afdf0ad3b26d857e39113518dfbb1ae1f..2fb871cce2b54375ee815a2427f0a793313bb368 100644
--- a/var/spack/repos/builtin/packages/cfitsio/package.py
+++ b/var/spack/repos/builtin/packages/cfitsio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cgal/package.py b/var/spack/repos/builtin/packages/cgal/package.py
index b99e5cf575ef469df2dfd6b90f0146d7c5d3bd10..785402b5e827d72729baa96e9af96fd696ff84a9 100644
--- a/var/spack/repos/builtin/packages/cgal/package.py
+++ b/var/spack/repos/builtin/packages/cgal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cgm/package.py b/var/spack/repos/builtin/packages/cgm/package.py
index e5284d323fad412ae1f09baa687d45e2715f0179..11de8aa7dfbb5c68183d8025a7635649e38bba43 100644
--- a/var/spack/repos/builtin/packages/cgm/package.py
+++ b/var/spack/repos/builtin/packages/cgm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cgns/package.py b/var/spack/repos/builtin/packages/cgns/package.py
index e27717e94e683e8df2493da7c39f60eb5b7e040f..e101f84c27168d825da94d4a9fd30605f8d513ff 100644
--- a/var/spack/repos/builtin/packages/cgns/package.py
+++ b/var/spack/repos/builtin/packages/cgns/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/channelflow/package.py b/var/spack/repos/builtin/packages/channelflow/package.py
index 90eba2e9081f724e7762e9bcf8284a898db348f1..1a396f0600666d783892c65011e5e239131489d7 100644
--- a/var/spack/repos/builtin/packages/channelflow/package.py
+++ b/var/spack/repos/builtin/packages/channelflow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/charliecloud/package.py b/var/spack/repos/builtin/packages/charliecloud/package.py
index f9cb229143c42f26fa4da0720e96d923274a00af..c9e59fd5ec66c9f9af2b3b4fc86dbaf244173bf6 100644
--- a/var/spack/repos/builtin/packages/charliecloud/package.py
+++ b/var/spack/repos/builtin/packages/charliecloud/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/charmpp/package.py b/var/spack/repos/builtin/packages/charmpp/package.py
index d713a61f5b2b654ebd02a794d7d4f30494db179f..d192f3e156c47edf52316e211cf9efa109116a13 100644
--- a/var/spack/repos/builtin/packages/charmpp/package.py
+++ b/var/spack/repos/builtin/packages/charmpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 import platform
diff --git a/var/spack/repos/builtin/packages/chatterbug/package.py b/var/spack/repos/builtin/packages/chatterbug/package.py
index 9e27dcc28d9a98a8207761b7a7d126f05047ecc7..abaf8e9bd9a07b90d983fd7f3030fbc8a26f3c6b 100644
--- a/var/spack/repos/builtin/packages/chatterbug/package.py
+++ b/var/spack/repos/builtin/packages/chatterbug/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/check/package.py b/var/spack/repos/builtin/packages/check/package.py
index e7ba13f7725818e6904be64e7fa7a71c876e14c4..d28c4281371e830093829dceb2ec380b72a46409 100644
--- a/var/spack/repos/builtin/packages/check/package.py
+++ b/var/spack/repos/builtin/packages/check/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/chlorop/package.py b/var/spack/repos/builtin/packages/chlorop/package.py
index 96b348c8405edaea6b81908de1193f63f5ddb55f..c6a9fd6514d45aee708815ce58ebbebc58d33ab4 100644
--- a/var/spack/repos/builtin/packages/chlorop/package.py
+++ b/var/spack/repos/builtin/packages/chlorop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/chombo/package.py b/var/spack/repos/builtin/packages/chombo/package.py
index 7136680c4bfdefae7199a2ae2c65f6d60b97dcab..29b113b7827fd7a737bec11236d4d1e77b0a56bb 100644
--- a/var/spack/repos/builtin/packages/chombo/package.py
+++ b/var/spack/repos/builtin/packages/chombo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/cistem/package.py b/var/spack/repos/builtin/packages/cistem/package.py
index b7e6e31bfa3fcfbb8393ed515edd496c334d3323..52b7dad557b5d94896558702877ecc13a0264233 100644
--- a/var/spack/repos/builtin/packages/cistem/package.py
+++ b/var/spack/repos/builtin/packages/cistem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/cityhash/package.py b/var/spack/repos/builtin/packages/cityhash/package.py
index 02200ace493d3a7d098387f3cb27613d59ad0826..4712e309dcb376f6b67a7c55e85b95c7cbd2425e 100644
--- a/var/spack/repos/builtin/packages/cityhash/package.py
+++ b/var/spack/repos/builtin/packages/cityhash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/clamr/package.py b/var/spack/repos/builtin/packages/clamr/package.py
index e6165b63de3a7b1f9df47251a5d3dbcee123b8f1..ce3f9b236d2e61420b3104130fa7ed60f31a3200 100644
--- a/var/spack/repos/builtin/packages/clamr/package.py
+++ b/var/spack/repos/builtin/packages/clamr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/clapack/package.py b/var/spack/repos/builtin/packages/clapack/package.py
index e7832ef4ecbbadc95f8bdb88830d3fcfa076f69f..70d159b3360aebbdd764027c7cc5b1093b9d31be 100644
--- a/var/spack/repos/builtin/packages/clapack/package.py
+++ b/var/spack/repos/builtin/packages/clapack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/claw/package.py b/var/spack/repos/builtin/packages/claw/package.py
index 28cef928b136a9916c8cc93bbb36056f30dd779e..1f14ee88a405db1840cce0557c8f9938f29eb93f 100644
--- a/var/spack/repos/builtin/packages/claw/package.py
+++ b/var/spack/repos/builtin/packages/claw/package.py
@@ -1,3 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cleaveland4/package.py b/var/spack/repos/builtin/packages/cleaveland4/package.py
index 848a4be0e8298a81d62c5d7069304129e6cd3874..c2b7fb02728bd0a1b27b06cba22f702510ec3bc4 100644
--- a/var/spack/repos/builtin/packages/cleaveland4/package.py
+++ b/var/spack/repos/builtin/packages/cleaveland4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cleverleaf/package.py b/var/spack/repos/builtin/packages/cleverleaf/package.py
index ec5e5ecdaa89a71afd4376eb492497e1d643ad6d..65e6ec5f4353ec622a5047a923aee9795d82b1e3 100644
--- a/var/spack/repos/builtin/packages/cleverleaf/package.py
+++ b/var/spack/repos/builtin/packages/cleverleaf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/clfft/package.py b/var/spack/repos/builtin/packages/clfft/package.py
index 9bfffa34b5f39fbdaf09da79cc3e665c4ea3163f..9851439a091c4cf90df74d499f47b49a3c385094 100644
--- a/var/spack/repos/builtin/packages/clfft/package.py
+++ b/var/spack/repos/builtin/packages/clfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/clhep/package.py b/var/spack/repos/builtin/packages/clhep/package.py
index d41cdf25bfb09bd696cda51cf81585be62b97832..8db6263539a851ef507f704f8adb49170e75b0d9 100644
--- a/var/spack/repos/builtin/packages/clhep/package.py
+++ b/var/spack/repos/builtin/packages/clhep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/clingo/package.py b/var/spack/repos/builtin/packages/clingo/package.py
index c014e14cf2a91c00dd277f13fcbd847f2064134a..942d502c52e428916ab2cfdbec792bcac6bf94bd 100644
--- a/var/spack/repos/builtin/packages/clingo/package.py
+++ b/var/spack/repos/builtin/packages/clingo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cloc/package.py b/var/spack/repos/builtin/packages/cloc/package.py
index ff68d0e8df0f1a325e6477c81731945503f57afd..4b5c81b5a8d6195e6c9578fe9ba9b42aab4b8b8f 100644
--- a/var/spack/repos/builtin/packages/cloc/package.py
+++ b/var/spack/repos/builtin/packages/cloc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cloog/package.py b/var/spack/repos/builtin/packages/cloog/package.py
index b01c68e89d3c384680d6eea1ace3367de895459c..48322a3b22871467353f7444c3c50c79cf929bb2 100644
--- a/var/spack/repos/builtin/packages/cloog/package.py
+++ b/var/spack/repos/builtin/packages/cloog/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cloverleaf/package.py b/var/spack/repos/builtin/packages/cloverleaf/package.py
index a0fd9c2c0c63957815db1e088e6284313b8e9875..27b6403b563fe31f74917832b0aa50c74098cd04 100644
--- a/var/spack/repos/builtin/packages/cloverleaf/package.py
+++ b/var/spack/repos/builtin/packages/cloverleaf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import glob
 
diff --git a/var/spack/repos/builtin/packages/cloverleaf3d/package.py b/var/spack/repos/builtin/packages/cloverleaf3d/package.py
index 77163d35e24588e688fa865e31c39989499e0e89..4879b334734cbdf9ee1d03e75f93ccc9da4c478b 100644
--- a/var/spack/repos/builtin/packages/cloverleaf3d/package.py
+++ b/var/spack/repos/builtin/packages/cloverleaf3d/package.py
@@ -1,27 +1,8 @@
-#############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import glob
 
diff --git a/var/spack/repos/builtin/packages/clustalo/package.py b/var/spack/repos/builtin/packages/clustalo/package.py
index ddba34c33a935ea8ce3ea28c9f3340118423da49..ebf6daab9a1b0b4faaf4a6215b64c4fcda9b1728 100644
--- a/var/spack/repos/builtin/packages/clustalo/package.py
+++ b/var/spack/repos/builtin/packages/clustalo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/clustalw/package.py b/var/spack/repos/builtin/packages/clustalw/package.py
index e6437647097ea4005692f07eb4c2687d002b136a..0ebd8986c96b9195fc3ba8e768e1b2cce785482b 100644
--- a/var/spack/repos/builtin/packages/clustalw/package.py
+++ b/var/spack/repos/builtin/packages/clustalw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cmake/package.py b/var/spack/repos/builtin/packages/cmake/package.py
index d20b23f2b0a67baf00ba0d95eb28001aedc88056..a43c9b7ffb2c21f9b11d80e0b8a58afacc9de66b 100644
--- a/var/spack/repos/builtin/packages/cmake/package.py
+++ b/var/spack/repos/builtin/packages/cmake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cmocka/package.py b/var/spack/repos/builtin/packages/cmocka/package.py
index a280436ae9d9c8b7d354f36742453ad7798b5bac..3a09ae91009ce5daf01d1fe380d741e4510a1da8 100644
--- a/var/spack/repos/builtin/packages/cmocka/package.py
+++ b/var/spack/repos/builtin/packages/cmocka/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cmor/package.py b/var/spack/repos/builtin/packages/cmor/package.py
index 9b9189643edb8b1f883873f29697f86882ef38f3..54aa1ae7c6dc0858df80f2a65fa49d5b622aad7f 100644
--- a/var/spack/repos/builtin/packages/cmor/package.py
+++ b/var/spack/repos/builtin/packages/cmor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cnmem/package.py b/var/spack/repos/builtin/packages/cnmem/package.py
index 555db814f085a158525ff9f0006946938f74cce9..cda66b37e2f61263df5ca4ef46f54b0bd86cea71 100644
--- a/var/spack/repos/builtin/packages/cnmem/package.py
+++ b/var/spack/repos/builtin/packages/cnmem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cnpy/package.py b/var/spack/repos/builtin/packages/cnpy/package.py
index 52c7e16abe0ea4d18b97a806c1e60793539353f1..15bd3da1747d0e2f6e908dc15bdf738b43adaf63 100644
--- a/var/spack/repos/builtin/packages/cnpy/package.py
+++ b/var/spack/repos/builtin/packages/cnpy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import sys
diff --git a/var/spack/repos/builtin/packages/cntk/package.py b/var/spack/repos/builtin/packages/cntk/package.py
index b78e1ed8b3466755d66f1a02d654eb89245b51fb..efb8cb7ca3da1f67bcd413a7b5ddd09a868ee6f3 100644
--- a/var/spack/repos/builtin/packages/cntk/package.py
+++ b/var/spack/repos/builtin/packages/cntk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cntk1bitsgd/package.py b/var/spack/repos/builtin/packages/cntk1bitsgd/package.py
index 6969424e8c24127f5156d284f1d5e1d8aadb53ef..c046bc34e43ed5b974260f6bc268918ffbab6131 100644
--- a/var/spack/repos/builtin/packages/cntk1bitsgd/package.py
+++ b/var/spack/repos/builtin/packages/cntk1bitsgd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from os import listdir
 
diff --git a/var/spack/repos/builtin/packages/codar-cheetah/package.py b/var/spack/repos/builtin/packages/codar-cheetah/package.py
index de9a12eb6e204e91cfc5b6485e886027f6ce5200..ba559342bac14e7fcffb8e00e0b1719aaff31c2a 100644
--- a/var/spack/repos/builtin/packages/codar-cheetah/package.py
+++ b/var/spack/repos/builtin/packages/codar-cheetah/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/codes/package.py b/var/spack/repos/builtin/packages/codes/package.py
index 3a29fc1052d883e00ec5d63dcc35ece4b0bad2d2..e3c5053e9a87190b9e4264718a05e00580dd3eb0 100644
--- a/var/spack/repos/builtin/packages/codes/package.py
+++ b/var/spack/repos/builtin/packages/codes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/coevp/package.py b/var/spack/repos/builtin/packages/coevp/package.py
index a6a8214fb583d5ad6b13a37707898c753b7f8747..300e441fe09e93b51e2ce8652894e57a63d7a5b9 100644
--- a/var/spack/repos/builtin/packages/coevp/package.py
+++ b/var/spack/repos/builtin/packages/coevp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/cohmm/package.py b/var/spack/repos/builtin/packages/cohmm/package.py
index c098dae60d7f52cee93c027484a583f4f9a59537..a68e3a58e5e40ab6b01374ded77897b8731b6025 100644
--- a/var/spack/repos/builtin/packages/cohmm/package.py
+++ b/var/spack/repos/builtin/packages/cohmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/coinhsl/package.py b/var/spack/repos/builtin/packages/coinhsl/package.py
index 8b4ab7d613f9c8929c1eac79e89884e1f779e4ba..55c695dbc9ddeb1bd53b8105e8597272070686a4 100644
--- a/var/spack/repos/builtin/packages/coinhsl/package.py
+++ b/var/spack/repos/builtin/packages/coinhsl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/colm/package.py b/var/spack/repos/builtin/packages/colm/package.py
index 795fcc43d2779a8b389cefafb6d3686c36b227ac..bf27dabd3955ccd2665ec6722a44f1868281f482 100644
--- a/var/spack/repos/builtin/packages/colm/package.py
+++ b/var/spack/repos/builtin/packages/colm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/colordiff/package.py b/var/spack/repos/builtin/packages/colordiff/package.py
index cbfbc1c4fb56a871400ae60c1a820c8b8a6c946b..cd62f2347f9657194280ff10dfe135f560ba473e 100644
--- a/var/spack/repos/builtin/packages/colordiff/package.py
+++ b/var/spack/repos/builtin/packages/colordiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/comd/package.py b/var/spack/repos/builtin/packages/comd/package.py
index 8cdad9087bea1f9de2dc20e6fa36cedd18004ce0..3c6d7624733fe5e85daa72c14aa65150e7e45254 100644
--- a/var/spack/repos/builtin/packages/comd/package.py
+++ b/var/spack/repos/builtin/packages/comd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/commons-lang/package.py b/var/spack/repos/builtin/packages/commons-lang/package.py
index cdb1316c44d2e0a58049b38cc42041f1caa7c65b..dcb40f8869afeb377a453c2fff7c517c318ed082 100644
--- a/var/spack/repos/builtin/packages/commons-lang/package.py
+++ b/var/spack/repos/builtin/packages/commons-lang/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/commons-lang3/package.py b/var/spack/repos/builtin/packages/commons-lang3/package.py
index 21959b3a6152ae2845a9d82dd6238c38c807c1f1..543b20d9f76e53663086dd4db2bfce27629803f0 100644
--- a/var/spack/repos/builtin/packages/commons-lang3/package.py
+++ b/var/spack/repos/builtin/packages/commons-lang3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/commons-logging/package.py b/var/spack/repos/builtin/packages/commons-logging/package.py
index f634a987739ffe7050bd126e0dd747cb4e322338..41483f8c618213263c7a29c0563aadea27658edb 100644
--- a/var/spack/repos/builtin/packages/commons-logging/package.py
+++ b/var/spack/repos/builtin/packages/commons-logging/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/compiz/package.py b/var/spack/repos/builtin/packages/compiz/package.py
index 233d5079070cbefa5d183a4ab0beb498572992df..9ce3526b892316adbafd6cfb9d91e998c1bfe042 100644
--- a/var/spack/repos/builtin/packages/compiz/package.py
+++ b/var/spack/repos/builtin/packages/compiz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/compositeproto/package.py b/var/spack/repos/builtin/packages/compositeproto/package.py
index 4d6ba758fec6e96f979ddec73ddf18f9a3539504..b160bbd5a560392ee341a57a4374d94b8f062b0a 100644
--- a/var/spack/repos/builtin/packages/compositeproto/package.py
+++ b/var/spack/repos/builtin/packages/compositeproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/conduit/package.py b/var/spack/repos/builtin/packages/conduit/package.py
index fac04a175140adbdab2b416e46aca6e256c8922b..0e0c623ba4074259e71eb5003b142c2c83a1f841 100644
--- a/var/spack/repos/builtin/packages/conduit/package.py
+++ b/var/spack/repos/builtin/packages/conduit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import socket
diff --git a/var/spack/repos/builtin/packages/constype/package.py b/var/spack/repos/builtin/packages/constype/package.py
index 7778faeb06be6e736bcce948f58efa88243a6751..59963868548caba710810fcf4c0cf7116b5a8465 100644
--- a/var/spack/repos/builtin/packages/constype/package.py
+++ b/var/spack/repos/builtin/packages/constype/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/converge/package.py b/var/spack/repos/builtin/packages/converge/package.py
index 744cc272673dd322e14261623769c1d454e11ef7..3d0cf548087aceb35da979da355db54d8874a6c2 100644
--- a/var/spack/repos/builtin/packages/converge/package.py
+++ b/var/spack/repos/builtin/packages/converge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import glob
 import os
 
diff --git a/var/spack/repos/builtin/packages/coreutils/package.py b/var/spack/repos/builtin/packages/coreutils/package.py
index 5d41e715f73370e378823500c8666a6d307d1a7e..312f6f7375f41a46b1f612eaedd31abdb0826197 100644
--- a/var/spack/repos/builtin/packages/coreutils/package.py
+++ b/var/spack/repos/builtin/packages/coreutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/corset/package.py b/var/spack/repos/builtin/packages/corset/package.py
index 65177bd77a0c1c6fa22b45a40e4c9a60e473d148..aa9c03609098ca2d0a4e8e0261a5f04fb176b8e8 100644
--- a/var/spack/repos/builtin/packages/corset/package.py
+++ b/var/spack/repos/builtin/packages/corset/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cosmomc/package.py b/var/spack/repos/builtin/packages/cosmomc/package.py
index c7fbdf3525d66b4749951111dc4bea623047a6b2..e1bb2ee9bcb1c467adc57690a814c8e0f9605cec 100644
--- a/var/spack/repos/builtin/packages/cosmomc/package.py
+++ b/var/spack/repos/builtin/packages/cosmomc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import fnmatch
diff --git a/var/spack/repos/builtin/packages/cosp2/package.py b/var/spack/repos/builtin/packages/cosp2/package.py
index 5eb59d53e6294dfc3c5bbafa393b54b830d06faa..a702a48c5f0feeff8a33a64ecde3551dbe04bb89 100644
--- a/var/spack/repos/builtin/packages/cosp2/package.py
+++ b/var/spack/repos/builtin/packages/cosp2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cp2k/package.py b/var/spack/repos/builtin/packages/cp2k/package.py
index 52eecc61ed99ea172ab021cd5a2601a978d29283..e810c84eb355e06704fe36f9d844dc67bdb1ae7c 100644
--- a/var/spack/repos/builtin/packages/cp2k/package.py
+++ b/var/spack/repos/builtin/packages/cp2k/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import copy
 
diff --git a/var/spack/repos/builtin/packages/cppad/package.py b/var/spack/repos/builtin/packages/cppad/package.py
index 4130c1d253d140e43557c73d31585d7b03a54d2a..aec3cc629b3bdc2f930972b1436246de4f556ba7 100644
--- a/var/spack/repos/builtin/packages/cppad/package.py
+++ b/var/spack/repos/builtin/packages/cppad/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cppcheck/package.py b/var/spack/repos/builtin/packages/cppcheck/package.py
index dfd2adb4eb5e3d03d31c779a39bdf0c52ef14471..ae13240537ecefdf41a5100c2486d3e434e10032 100644
--- a/var/spack/repos/builtin/packages/cppcheck/package.py
+++ b/var/spack/repos/builtin/packages/cppcheck/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cppgsl/package.py b/var/spack/repos/builtin/packages/cppgsl/package.py
index 06cd2570c0d0d6894b786a6fbcd093d1ed9d4279..73fdb70590b7fe1069c8378dc9aa60bedb7a61f9 100644
--- a/var/spack/repos/builtin/packages/cppgsl/package.py
+++ b/var/spack/repos/builtin/packages/cppgsl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cpprestsdk/package.py b/var/spack/repos/builtin/packages/cpprestsdk/package.py
index f6896b78cbe8478edf4e035f6fa3dc98cc2838d9..7b98c59b4353157506cacb6838aa3bcb948433ef 100644
--- a/var/spack/repos/builtin/packages/cpprestsdk/package.py
+++ b/var/spack/repos/builtin/packages/cpprestsdk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cppunit/package.py b/var/spack/repos/builtin/packages/cppunit/package.py
index ebcbd57a7070e7497537992686edebae0c825d7b..c109076986e0933ec480cbfa4fc7795764cb8ba3 100644
--- a/var/spack/repos/builtin/packages/cppunit/package.py
+++ b/var/spack/repos/builtin/packages/cppunit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cppzmq/package.py b/var/spack/repos/builtin/packages/cppzmq/package.py
index ec6da2769fd14bd6833774b9ac89e682e9c15d94..22950599d191ec91ab014691e17fc01ad4487d43 100644
--- a/var/spack/repos/builtin/packages/cppzmq/package.py
+++ b/var/spack/repos/builtin/packages/cppzmq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cpu-features/package.py b/var/spack/repos/builtin/packages/cpu-features/package.py
index 8cc013acd80df71d1f9c8da825cbf09fa0b2d9c4..f54b964a20ecabcf375099ab4019779936b4bc62 100644
--- a/var/spack/repos/builtin/packages/cpu-features/package.py
+++ b/var/spack/repos/builtin/packages/cpu-features/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cpuinfo/package.py b/var/spack/repos/builtin/packages/cpuinfo/package.py
index 02c0587d84cd3b2c59ea97d2784f29d695dfa796..e3bc73641583aeb169db0b31c82fb1ffde9c498a 100644
--- a/var/spack/repos/builtin/packages/cpuinfo/package.py
+++ b/var/spack/repos/builtin/packages/cpuinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cram/package.py b/var/spack/repos/builtin/packages/cram/package.py
index 7ea9cde8a6f6765b64bf62becd2beedfd276a758..3f213d3118be1e727ca3954be7616218b90e5ea9 100644
--- a/var/spack/repos/builtin/packages/cram/package.py
+++ b/var/spack/repos/builtin/packages/cram/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cryptopp/package.py b/var/spack/repos/builtin/packages/cryptopp/package.py
index 8e8eaafdc8fa5b3d2b9a4d74d6f40545b54dfefc..0f7764ab846d5a29a1df4ace702760992835aad5 100644
--- a/var/spack/repos/builtin/packages/cryptopp/package.py
+++ b/var/spack/repos/builtin/packages/cryptopp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cscope/package.py b/var/spack/repos/builtin/packages/cscope/package.py
index b4769fed058c9c3c66b9e06b907def253db30d18..96f7ed1d67810d238272885b567e37d6dc7ab0cc 100644
--- a/var/spack/repos/builtin/packages/cscope/package.py
+++ b/var/spack/repos/builtin/packages/cscope/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/csdp/package.py b/var/spack/repos/builtin/packages/csdp/package.py
index afed537f294f97a3cfd5536823c18ef37a4ea95c..2735b14a41776790eb5d55d9287bfcdd3f7f1fe4 100644
--- a/var/spack/repos/builtin/packages/csdp/package.py
+++ b/var/spack/repos/builtin/packages/csdp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ctffind/package.py b/var/spack/repos/builtin/packages/ctffind/package.py
index 549e7f8598f6a1a5ca8e6f718a2678677ff9dcc2..3f8fb844bdeddcea411f9f40807eb524d775c1ef 100644
--- a/var/spack/repos/builtin/packages/ctffind/package.py
+++ b/var/spack/repos/builtin/packages/ctffind/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cub/package.py b/var/spack/repos/builtin/packages/cub/package.py
index 9ea398d379c95353aa8424e1826f2b6463553529..3db6d76eeddc9d9a25d97eb44f687d54f66253f4 100644
--- a/var/spack/repos/builtin/packages/cub/package.py
+++ b/var/spack/repos/builtin/packages/cub/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cube/package.py b/var/spack/repos/builtin/packages/cube/package.py
index ad528e68065ff0ebda2a4692d2a4bddf67ceeeee..d9da5ad7e4c1adf17f46feb4888a4977e8ffcae5 100644
--- a/var/spack/repos/builtin/packages/cube/package.py
+++ b/var/spack/repos/builtin/packages/cube/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cubelib/package.py b/var/spack/repos/builtin/packages/cubelib/package.py
index de1769e7dc8bd03d812666d324264dfa38c8279d..8ccd9f1bcd10cb5f3f9422f31a84b674266b0982 100644
--- a/var/spack/repos/builtin/packages/cubelib/package.py
+++ b/var/spack/repos/builtin/packages/cubelib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cubew/package.py b/var/spack/repos/builtin/packages/cubew/package.py
index 3fcc101aceabb836af45436c824ed07f676797a2..79c8464c6271617920e5f78fd6788e4296988757 100644
--- a/var/spack/repos/builtin/packages/cubew/package.py
+++ b/var/spack/repos/builtin/packages/cubew/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cuda-memtest/package.py b/var/spack/repos/builtin/packages/cuda-memtest/package.py
index cdafb9296de2c08af6adca4aef10c1971fa3cffd..53a72049500324ab9c18a9127e7a4f3f5ac274cd 100644
--- a/var/spack/repos/builtin/packages/cuda-memtest/package.py
+++ b/var/spack/repos/builtin/packages/cuda-memtest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cuda/package.py b/var/spack/repos/builtin/packages/cuda/package.py
index 56b51282f67909328fad2c82f5f73de6427abb93..b807ddd966102eaf34268c0ddcb60f8aa085dc58 100644
--- a/var/spack/repos/builtin/packages/cuda/package.py
+++ b/var/spack/repos/builtin/packages/cuda/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/cudnn/package.py b/var/spack/repos/builtin/packages/cudnn/package.py
index 9abc66eb93a6737e128ed9353391c1c77c104449..2524749ca2f087f8f3724e8bc40885ed53bb886f 100644
--- a/var/spack/repos/builtin/packages/cudnn/package.py
+++ b/var/spack/repos/builtin/packages/cudnn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cufflinks/package.py b/var/spack/repos/builtin/packages/cufflinks/package.py
index 8ff26bf39c08545924e955b649c5bfd532146c0c..a0c039ff1fd0fa88e79e7a660780702836585a3c 100644
--- a/var/spack/repos/builtin/packages/cufflinks/package.py
+++ b/var/spack/repos/builtin/packages/cufflinks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/cups/package.py b/var/spack/repos/builtin/packages/cups/package.py
index 99fc772d0e2a41a9cb4d154896f3c28120cd7159..f9f60f70e0e00352a055a9bc7552aa949a5065a5 100644
--- a/var/spack/repos/builtin/packages/cups/package.py
+++ b/var/spack/repos/builtin/packages/cups/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/curl/package.py b/var/spack/repos/builtin/packages/curl/package.py
index 77dcc127446d94170046de3826c6806755f54448..5dabe83f80c348f75e7a9d4eee990d44ec3a9c20 100644
--- a/var/spack/repos/builtin/packages/curl/package.py
+++ b/var/spack/repos/builtin/packages/curl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/cvs/package.py b/var/spack/repos/builtin/packages/cvs/package.py
index 9f6f12590c43062c2f9957d3f133dd07f01c2ca1..be5c0baedafea46fa48a645b66c82754e14bd004 100644
--- a/var/spack/repos/builtin/packages/cvs/package.py
+++ b/var/spack/repos/builtin/packages/cvs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/czmq/package.py b/var/spack/repos/builtin/packages/czmq/package.py
index ba4a2983ff44f18252a907872c8a1bffbff345b2..f567637a7824a2d35a0943b09a09efec111bdc2b 100644
--- a/var/spack/repos/builtin/packages/czmq/package.py
+++ b/var/spack/repos/builtin/packages/czmq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dakota/package.py b/var/spack/repos/builtin/packages/dakota/package.py
index ea008dfdc587c7d2f937ee2813ac28e2a2e4e3e1..09b34fc1b27276af3534d0dc4e6fda38fde20d38 100644
--- a/var/spack/repos/builtin/packages/dakota/package.py
+++ b/var/spack/repos/builtin/packages/dakota/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/daligner/package.py b/var/spack/repos/builtin/packages/daligner/package.py
index befdd60bd24d6d6f7628200c9b641d274202a0fa..fd7fe30dd8e5be36972ea07df5fb4552a60c516b 100644
--- a/var/spack/repos/builtin/packages/daligner/package.py
+++ b/var/spack/repos/builtin/packages/daligner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/damageproto/package.py b/var/spack/repos/builtin/packages/damageproto/package.py
index 8f8ebe8e5e0aee8673aa65d54716bacc5682d5ff..d439814375f1ab1239a6979f1243d1066c07d27d 100644
--- a/var/spack/repos/builtin/packages/damageproto/package.py
+++ b/var/spack/repos/builtin/packages/damageproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/damselfly/package.py b/var/spack/repos/builtin/packages/damselfly/package.py
index f8c96be243f7aab64bee4365765da38500569e67..6e7ecaf3de9ccbc83887b2ac4b4ce94b51905503 100644
--- a/var/spack/repos/builtin/packages/damselfly/package.py
+++ b/var/spack/repos/builtin/packages/damselfly/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/darshan-runtime/package.py b/var/spack/repos/builtin/packages/darshan-runtime/package.py
index 24e96e2817bbfd68bafef48be1d9818fbdbfe012..5aff9a0a1b59a2e57ac4074dfaed6e1344ccc7c8 100644
--- a/var/spack/repos/builtin/packages/darshan-runtime/package.py
+++ b/var/spack/repos/builtin/packages/darshan-runtime/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/darshan-util/package.py b/var/spack/repos/builtin/packages/darshan-util/package.py
index 261aca8f6bb5884c452fddac3884097ba0e90711..af2d56be8156c987ce59ab870f4b1a51bf84d9b1 100644
--- a/var/spack/repos/builtin/packages/darshan-util/package.py
+++ b/var/spack/repos/builtin/packages/darshan-util/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dash/package.py b/var/spack/repos/builtin/packages/dash/package.py
index 4fcad8095ba3cd10dad08836ccf90d9fc278eb9b..06adb572d0867ea60b3e110673f395aa18d97b73 100644
--- a/var/spack/repos/builtin/packages/dash/package.py
+++ b/var/spack/repos/builtin/packages/dash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/datamash/package.py b/var/spack/repos/builtin/packages/datamash/package.py
index 309ad5a01f9f31307a587ca1ffb5ab7b051e99db..ce80da9add68b7a7645c33c8dc637869ace698ee 100644
--- a/var/spack/repos/builtin/packages/datamash/package.py
+++ b/var/spack/repos/builtin/packages/datamash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dataspaces/package.py b/var/spack/repos/builtin/packages/dataspaces/package.py
index 396ba83b0d5736b4ba14ccc77f98ba384f46afa0..552d0a0219ec53aa2519be1f664aef132a127d86 100644
--- a/var/spack/repos/builtin/packages/dataspaces/package.py
+++ b/var/spack/repos/builtin/packages/dataspaces/package.py
@@ -1,28 +1,11 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 ##############################################################################
 # Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
 
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
 
 from spack import *
 import six
diff --git a/var/spack/repos/builtin/packages/davix/package.py b/var/spack/repos/builtin/packages/davix/package.py
index 935d9669df2bbe0dc2b1f321107c8c968c924f15..3338cad7334d66e1623026f495f8413d37ff76ce 100644
--- a/var/spack/repos/builtin/packages/davix/package.py
+++ b/var/spack/repos/builtin/packages/davix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dbus/package.py b/var/spack/repos/builtin/packages/dbus/package.py
index 938a7bf2c8766b97e26bcb5afb9d82b4f7909927..2b70ecab4077ef4dbe4f09d2d9497d0a59770832 100644
--- a/var/spack/repos/builtin/packages/dbus/package.py
+++ b/var/spack/repos/builtin/packages/dbus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dealii-parameter-gui/package.py b/var/spack/repos/builtin/packages/dealii-parameter-gui/package.py
index 24e3a8a37d7d5000e8b31bdc5cd66780d722a9fb..86f45271970f4bc3d9d4b198e69a47d2f09df75b 100644
--- a/var/spack/repos/builtin/packages/dealii-parameter-gui/package.py
+++ b/var/spack/repos/builtin/packages/dealii-parameter-gui/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dealii/package.py b/var/spack/repos/builtin/packages/dealii/package.py
index 230bfb9c0be9bdec8392a9882b51b85dc72dec4a..74f6ff2baf75d62f30c71d371212008e21c78837 100644
--- a/var/spack/repos/builtin/packages/dealii/package.py
+++ b/var/spack/repos/builtin/packages/dealii/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/deconseq-standalone/package.py b/var/spack/repos/builtin/packages/deconseq-standalone/package.py
index 86c5ad7ed72f2a2e7470690f97d5c5d184f75811..ab6d2c30997d9cd1b0d5856554b3c289d041dadb 100644
--- a/var/spack/repos/builtin/packages/deconseq-standalone/package.py
+++ b/var/spack/repos/builtin/packages/deconseq-standalone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dejagnu/package.py b/var/spack/repos/builtin/packages/dejagnu/package.py
index 62e972c3a2d3002c6b26545a9c056f7c5851226a..f659f3174b1aeee17776b09462e91aad3048f766 100644
--- a/var/spack/repos/builtin/packages/dejagnu/package.py
+++ b/var/spack/repos/builtin/packages/dejagnu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/delly2/package.py b/var/spack/repos/builtin/packages/delly2/package.py
index e2199551445459d8b0845a4385e2e1eb009579aa..d7dffea4a78668cdc31047bc21d68956969823d9 100644
--- a/var/spack/repos/builtin/packages/delly2/package.py
+++ b/var/spack/repos/builtin/packages/delly2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/denovogear/package.py b/var/spack/repos/builtin/packages/denovogear/package.py
index 69194488db2c408f45f795d4f37cad017501b1e4..cd7cd8781327711136e816df5cda3160091a317e 100644
--- a/var/spack/repos/builtin/packages/denovogear/package.py
+++ b/var/spack/repos/builtin/packages/denovogear/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dia/package.py b/var/spack/repos/builtin/packages/dia/package.py
index 3c6bed82f784f7803f8a1b9f8caa8be4bb0ac38d..b0459d5faa034eeb04bc6a31b3e71d944a294094 100644
--- a/var/spack/repos/builtin/packages/dia/package.py
+++ b/var/spack/repos/builtin/packages/dia/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dialign-tx/package.py b/var/spack/repos/builtin/packages/dialign-tx/package.py
index a5ba5ceedcefc053f773b2915156193cf81bd8c2..a5daf8f088519060ded0718d60a277f9b8c64e87 100644
--- a/var/spack/repos/builtin/packages/dialign-tx/package.py
+++ b/var/spack/repos/builtin/packages/dialign-tx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/diamond/package.py b/var/spack/repos/builtin/packages/diamond/package.py
index 936e4b0accf0d2b889f4ba8d69763f717a5a56e5..bf51e174ea007737061c55e9e5eca0fdb396d23d 100644
--- a/var/spack/repos/builtin/packages/diamond/package.py
+++ b/var/spack/repos/builtin/packages/diamond/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/diffsplice/package.py b/var/spack/repos/builtin/packages/diffsplice/package.py
index f7f1dbd4ac3eaa44c0482496d00c07bc49f4079a..fa6c4f2907ec72e62fba842c968312ee4d00ff08 100644
--- a/var/spack/repos/builtin/packages/diffsplice/package.py
+++ b/var/spack/repos/builtin/packages/diffsplice/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/diffutils/package.py b/var/spack/repos/builtin/packages/diffutils/package.py
index bcc61fea4d5de81371efe83930bf8cbefd3b0c55..b37ca50e15f740560030867604faf7e5eb5d547f 100644
--- a/var/spack/repos/builtin/packages/diffutils/package.py
+++ b/var/spack/repos/builtin/packages/diffutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/direnv/package.py b/var/spack/repos/builtin/packages/direnv/package.py
index d5ae99a54905759fad4efdfd001b3da148861d4c..82272e472d579b328e59a9f83d384537832bcfe6 100644
--- a/var/spack/repos/builtin/packages/direnv/package.py
+++ b/var/spack/repos/builtin/packages/direnv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/discovar/package.py b/var/spack/repos/builtin/packages/discovar/package.py
index 2b4068cba0d40bd095519c9bbdbbde4fa00be507..48e3509a17436de144c89fbabcede3276a037948 100644
--- a/var/spack/repos/builtin/packages/discovar/package.py
+++ b/var/spack/repos/builtin/packages/discovar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/discovardenovo/package.py b/var/spack/repos/builtin/packages/discovardenovo/package.py
index 88c6dfcf5b1c5b830035587feb18704990928ca6..e3c86e314e66b4abfcad9cfd8c3b5f60abc5e6f4 100644
--- a/var/spack/repos/builtin/packages/discovardenovo/package.py
+++ b/var/spack/repos/builtin/packages/discovardenovo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dislin/package.py b/var/spack/repos/builtin/packages/dislin/package.py
index f7b2cfa02446a65f141df865f7692f1b4da1fdec..ebf82b6394db1662c5bd573b2b25b9fa9f29261f 100644
--- a/var/spack/repos/builtin/packages/dislin/package.py
+++ b/var/spack/repos/builtin/packages/dislin/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dlpack/package.py b/var/spack/repos/builtin/packages/dlpack/package.py
index 5121b6ed8416a394cace9fee34bb3d066cffaabe..80db27a27ba68a54b5f29d745e00ce59e65f68cd 100644
--- a/var/spack/repos/builtin/packages/dlpack/package.py
+++ b/var/spack/repos/builtin/packages/dlpack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dmd/package.py b/var/spack/repos/builtin/packages/dmd/package.py
index dcbae9f86942c8227467a38efdb52962ed63093f..a84d65987b88182f87f6a640852dcd77c87dda39 100644
--- a/var/spack/repos/builtin/packages/dmd/package.py
+++ b/var/spack/repos/builtin/packages/dmd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/dmlc-core/package.py b/var/spack/repos/builtin/packages/dmlc-core/package.py
index da63a3404c655ce358229834ab479711fc538432..93da95f932813de433ce77494cc4175cf9da2ae8 100644
--- a/var/spack/repos/builtin/packages/dmlc-core/package.py
+++ b/var/spack/repos/builtin/packages/dmlc-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dmtcp/package.py b/var/spack/repos/builtin/packages/dmtcp/package.py
index 9ec0932f0e6221e54509c59c2c517753debb1cd4..41665ef3f469bade808dce71b603856c11e73c6c 100644
--- a/var/spack/repos/builtin/packages/dmtcp/package.py
+++ b/var/spack/repos/builtin/packages/dmtcp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dmxproto/package.py b/var/spack/repos/builtin/packages/dmxproto/package.py
index f07367c3d3510986a37b4bec748da3c8e74d020b..ee1eb91be6c59cbb6454f17336329689340086fe 100644
--- a/var/spack/repos/builtin/packages/dmxproto/package.py
+++ b/var/spack/repos/builtin/packages/dmxproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/docbook-xml/package.py b/var/spack/repos/builtin/packages/docbook-xml/package.py
index 8cf4f0fc4945b5d343fbbe7b3fd6d8239c4cadeb..62f87a6ae191a4a290fb83228d6b42b3d0b3a5ed 100644
--- a/var/spack/repos/builtin/packages/docbook-xml/package.py
+++ b/var/spack/repos/builtin/packages/docbook-xml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/docbook-xsl/package.py b/var/spack/repos/builtin/packages/docbook-xsl/package.py
index d5829e8085fd04e49a5af5f6ae6edf2455c14290..1cd1c3ae3db49cd09c35c96bcea6c48715661c0f 100644
--- a/var/spack/repos/builtin/packages/docbook-xsl/package.py
+++ b/var/spack/repos/builtin/packages/docbook-xsl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/dos2unix/package.py b/var/spack/repos/builtin/packages/dos2unix/package.py
index 95f4c65009ae43247ebca171a46ed0e9a9631294..c73f53614f2e831d457faf6f918af87792c322b0 100644
--- a/var/spack/repos/builtin/packages/dos2unix/package.py
+++ b/var/spack/repos/builtin/packages/dos2unix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dotnet-core-sdk/package.py b/var/spack/repos/builtin/packages/dotnet-core-sdk/package.py
index d89f451f33bbd64ce4e1158f2c4f365d00559d27..8b1f1ad9b6a352cbcf8c83294ba5c50649cae43a 100644
--- a/var/spack/repos/builtin/packages/dotnet-core-sdk/package.py
+++ b/var/spack/repos/builtin/packages/dotnet-core-sdk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from os import symlink
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/double-conversion/package.py b/var/spack/repos/builtin/packages/double-conversion/package.py
index 44d50790f2ac6f458eca13f3c32be318ef409d02..ca132f8b0312f6412c76eb37f9b2ae1ee98a6de1 100644
--- a/var/spack/repos/builtin/packages/double-conversion/package.py
+++ b/var/spack/repos/builtin/packages/double-conversion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/doxygen/package.py b/var/spack/repos/builtin/packages/doxygen/package.py
index 8746a3f13981953b08a4ea846873f051fdf640c9..d40af90b6dcdc7c0564c9a961765b15c5250e438 100644
--- a/var/spack/repos/builtin/packages/doxygen/package.py
+++ b/var/spack/repos/builtin/packages/doxygen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dri2proto/package.py b/var/spack/repos/builtin/packages/dri2proto/package.py
index 9e146bb7c7cfb6efef2723f500f3c9ca378ae2c0..86ee95a00f29a134b2064a57529c5b8776ea9c17 100644
--- a/var/spack/repos/builtin/packages/dri2proto/package.py
+++ b/var/spack/repos/builtin/packages/dri2proto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dri3proto/package.py b/var/spack/repos/builtin/packages/dri3proto/package.py
index 629302b91123dbeb7868c9969d99b6e9c915d936..6568e10f71d0bf0d06bd9ef3d564671d77a690b8 100644
--- a/var/spack/repos/builtin/packages/dri3proto/package.py
+++ b/var/spack/repos/builtin/packages/dri3proto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dsdp/package.py b/var/spack/repos/builtin/packages/dsdp/package.py
index 877299073a6eb588e6b4853392d0da2b078f0173..d10325c664dc95032f4631a539da8ae63c2aa23d 100644
--- a/var/spack/repos/builtin/packages/dsdp/package.py
+++ b/var/spack/repos/builtin/packages/dsdp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/dsrc/package.py b/var/spack/repos/builtin/packages/dsrc/package.py
index 6bdf4faf554acadc26e7b4542c44fdcd210f2e2c..9846bc2b34729be1394231b720a98f6283d7adec 100644
--- a/var/spack/repos/builtin/packages/dsrc/package.py
+++ b/var/spack/repos/builtin/packages/dsrc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/dtcmp/package.py b/var/spack/repos/builtin/packages/dtcmp/package.py
index 130a79e6dd3ded907ff4eea95f8d630e609f136b..2b93cf1ce2e40cc8c25dce44338c649f17b27f46 100644
--- a/var/spack/repos/builtin/packages/dtcmp/package.py
+++ b/var/spack/repos/builtin/packages/dtcmp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/dyninst/package.py b/var/spack/repos/builtin/packages/dyninst/package.py
index 59f1d91dc19909d2ea9f3e4bbc71477b0f7f1725..5b0aea454ef6a1273d8b8ac61eb8763666fefd2d 100644
--- a/var/spack/repos/builtin/packages/dyninst/package.py
+++ b/var/spack/repos/builtin/packages/dyninst/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ea-utils/package.py b/var/spack/repos/builtin/packages/ea-utils/package.py
index c924a082794f6c8f589c986d9333d442a6e4bb6a..acbdd641efbcf1d4778e895eec349bcbaef1db81 100644
--- a/var/spack/repos/builtin/packages/ea-utils/package.py
+++ b/var/spack/repos/builtin/packages/ea-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/easybuild/package.py b/var/spack/repos/builtin/packages/easybuild/package.py
index 4fa7eb99fb177bbea933f3e379098eb6e92641ca..333e308bb857c338b90b99b02c53bc4ddd4058ff 100644
--- a/var/spack/repos/builtin/packages/easybuild/package.py
+++ b/var/spack/repos/builtin/packages/easybuild/package.py
@@ -1,25 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Kenneth Hoste
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Kenneth Hoste, kenneth.hoste@gmail.com
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ebms/package.py b/var/spack/repos/builtin/packages/ebms/package.py
index 8a700abb0d49f337684dbbd250f62119b493e554..3bef478c94e4bd1a460c695b15491568a36fafda 100644
--- a/var/spack/repos/builtin/packages/ebms/package.py
+++ b/var/spack/repos/builtin/packages/ebms/package.py
@@ -1,27 +1,8 @@
-#############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/eccodes/package.py b/var/spack/repos/builtin/packages/eccodes/package.py
index cd93b156f575450313f3d7d50fa509610e2ac4e1..55303d4ed24bc5a5bd1aba9d665ae833451b674e 100644
--- a/var/spack/repos/builtin/packages/eccodes/package.py
+++ b/var/spack/repos/builtin/packages/eccodes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/eclipse-gcj-parser/package.py b/var/spack/repos/builtin/packages/eclipse-gcj-parser/package.py
index e265cff96c582156e9da898f90e24622569c947f..52937c57d0caf62ab8003450e3617ba55b3ff9a7 100644
--- a/var/spack/repos/builtin/packages/eclipse-gcj-parser/package.py
+++ b/var/spack/repos/builtin/packages/eclipse-gcj-parser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/ecp-proxy-apps/package.py b/var/spack/repos/builtin/packages/ecp-proxy-apps/package.py
index b792ae3f77f5952156605abc163de995050d5afe..62b618db3dd8a03cd8148697b0aa6f18a157921a 100644
--- a/var/spack/repos/builtin/packages/ecp-proxy-apps/package.py
+++ b/var/spack/repos/builtin/packages/ecp-proxy-apps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 from spack import *
diff --git a/var/spack/repos/builtin/packages/ed/package.py b/var/spack/repos/builtin/packages/ed/package.py
index fdb111fcf98c7a89586c8f89604e66e630277010..c9b8b872b59b011799f07a1978611afc474a3454 100644
--- a/var/spack/repos/builtin/packages/ed/package.py
+++ b/var/spack/repos/builtin/packages/ed/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/editres/package.py b/var/spack/repos/builtin/packages/editres/package.py
index 9e44ed52103ac169056284a7f556b677d0d9c68b..9501f00637c088d28ab2d56a051b2fcb0e88e76c 100644
--- a/var/spack/repos/builtin/packages/editres/package.py
+++ b/var/spack/repos/builtin/packages/editres/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/eigen/package.py b/var/spack/repos/builtin/packages/eigen/package.py
index ee2c20d9e429b9e6a9eb620933a1f2f06bde9e1e..6e5582d2332193b422eef81c3b525d420d79f8b7 100644
--- a/var/spack/repos/builtin/packages/eigen/package.py
+++ b/var/spack/repos/builtin/packages/eigen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/elasticsearch/package.py b/var/spack/repos/builtin/packages/elasticsearch/package.py
index c3e722ff2b72dd47da624d3a4e51796e74959777..3492774c35d16ddfec17643a559e13f598edd65d 100644
--- a/var/spack/repos/builtin/packages/elasticsearch/package.py
+++ b/var/spack/repos/builtin/packages/elasticsearch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/elemental/package.py b/var/spack/repos/builtin/packages/elemental/package.py
index a1ac76b889ea64ef86262989e8b09e26a0e07171..43a34fcc407617ccf86204ee342704cbd1482454 100644
--- a/var/spack/repos/builtin/packages/elemental/package.py
+++ b/var/spack/repos/builtin/packages/elemental/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 from spack.spec import UnsupportedCompilerError
diff --git a/var/spack/repos/builtin/packages/elfutils/package.py b/var/spack/repos/builtin/packages/elfutils/package.py
index 9c93b187e528aa34a630bbdf2de52d615bf59eba..1234f5007a0771febde34a7a156b2597b43c14c2 100644
--- a/var/spack/repos/builtin/packages/elfutils/package.py
+++ b/var/spack/repos/builtin/packages/elfutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/elk/package.py b/var/spack/repos/builtin/packages/elk/package.py
index 4b4086c10b9c22db6a94fb610f25f3761fae1cbd..fad0153014f160836c83c0854f917a5560259926 100644
--- a/var/spack/repos/builtin/packages/elk/package.py
+++ b/var/spack/repos/builtin/packages/elk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/elpa/package.py b/var/spack/repos/builtin/packages/elpa/package.py
index 1795f51e7e75c6bf72b567019d35a859b8ea55f5..13c31a26b3eecce4b71e67de09341bd22a46219c 100644
--- a/var/spack/repos/builtin/packages/elpa/package.py
+++ b/var/spack/repos/builtin/packages/elpa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/emacs/package.py b/var/spack/repos/builtin/packages/emacs/package.py
index 2377d747fb004548a8eef5dd4f41d93cc7fad091..1599782d50c0bf539d3d6eb87976529b8a5449c6 100644
--- a/var/spack/repos/builtin/packages/emacs/package.py
+++ b/var/spack/repos/builtin/packages/emacs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import sys
diff --git a/var/spack/repos/builtin/packages/ember/package.py b/var/spack/repos/builtin/packages/ember/package.py
index 6b47305e86387fdfe2700d20f7ac7d6d96c40a68..261dc27ba7b2d87733d1d2c76be781a692abcc97 100644
--- a/var/spack/repos/builtin/packages/ember/package.py
+++ b/var/spack/repos/builtin/packages/ember/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC.
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/emboss/package.py b/var/spack/repos/builtin/packages/emboss/package.py
index a871db16360b629a97f75678782276eba51d49e5..bc36c8938b881a0429aeb7bd80990039657b5293 100644
--- a/var/spack/repos/builtin/packages/emboss/package.py
+++ b/var/spack/repos/builtin/packages/emboss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/encodings/package.py b/var/spack/repos/builtin/packages/encodings/package.py
index 249980e3ff7ff9e060e9ed11f681c39cc2dbd189..0ea51bf7da94c0265868278d0db22eceb781d6a6 100644
--- a/var/spack/repos/builtin/packages/encodings/package.py
+++ b/var/spack/repos/builtin/packages/encodings/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/energyplus/package.py b/var/spack/repos/builtin/packages/energyplus/package.py
index 2b7d3bea9d94dee3504b85ee59c37985c538dbd6..48cc19cf4133b5f7cae4190507982842d4ec9d0c 100644
--- a/var/spack/repos/builtin/packages/energyplus/package.py
+++ b/var/spack/repos/builtin/packages/energyplus/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 import glob
diff --git a/var/spack/repos/builtin/packages/environment-modules/package.py b/var/spack/repos/builtin/packages/environment-modules/package.py
index 16eafcda1c233f9184c1098e1ae12086c98d3973..60307d386568eaa05e7a314dcacf6d49fa91d099 100644
--- a/var/spack/repos/builtin/packages/environment-modules/package.py
+++ b/var/spack/repos/builtin/packages/environment-modules/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/eospac/package.py b/var/spack/repos/builtin/packages/eospac/package.py
index 0ed4487b0dc9e99665c4a130e57347a673b42a8f..54000d6b5fec55aa8fcce90cf97ccfbd1ec37807 100644
--- a/var/spack/repos/builtin/packages/eospac/package.py
+++ b/var/spack/repos/builtin/packages/eospac/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/er/package.py b/var/spack/repos/builtin/packages/er/package.py
index ea1773204d2123222bf68050b6c1b95bc24ee782..0638b792fbf8d0416eb412b45ee30db296426836 100644
--- a/var/spack/repos/builtin/packages/er/package.py
+++ b/var/spack/repos/builtin/packages/er/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/es/package.py b/var/spack/repos/builtin/packages/es/package.py
index e77797acac45223c1d3a6df5b1c3a909a7cc7edc..8b918919bb7b885f0d0850c8c5adf938ccbac7e0 100644
--- a/var/spack/repos/builtin/packages/es/package.py
+++ b/var/spack/repos/builtin/packages/es/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/esmf/package.py b/var/spack/repos/builtin/packages/esmf/package.py
index 99c7bce2c6d431ac03f4a8f8cd827c5eb98d006e..107aaffaa2ec478ed25fe2f9c8137c1183293636 100644
--- a/var/spack/repos/builtin/packages/esmf/package.py
+++ b/var/spack/repos/builtin/packages/esmf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/essl/package.py b/var/spack/repos/builtin/packages/essl/package.py
index ba3db4cb3e17b4b0cda82c7e9b972829c60d783e..565b0ec6e5843785321087ef2864e4131dcdf1a9 100644
--- a/var/spack/repos/builtin/packages/essl/package.py
+++ b/var/spack/repos/builtin/packages/essl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ethminer/package.py b/var/spack/repos/builtin/packages/ethminer/package.py
index d3d368478753d491e48d2455a508a3b259ea1db2..0689d6faedaef836b4027371539898f0dcd85d01 100644
--- a/var/spack/repos/builtin/packages/ethminer/package.py
+++ b/var/spack/repos/builtin/packages/ethminer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/etsf-io/package.py b/var/spack/repos/builtin/packages/etsf-io/package.py
index 62f51c9dcd4f353b476694c5de5441eb53693959..cade69c89c0b51f0dbb9c9bb04694a1dbe0c453d 100644
--- a/var/spack/repos/builtin/packages/etsf-io/package.py
+++ b/var/spack/repos/builtin/packages/etsf-io/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/everytrace-example/package.py b/var/spack/repos/builtin/packages/everytrace-example/package.py
index f3f95d850b5becca9a9284c29754901967180cb3..1eff5f6451ced1ccb04062c1ce1e0a0a9951f21e 100644
--- a/var/spack/repos/builtin/packages/everytrace-example/package.py
+++ b/var/spack/repos/builtin/packages/everytrace-example/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/everytrace/package.py b/var/spack/repos/builtin/packages/everytrace/package.py
index 0ce78ac2d461dbf75b19c7423c5dc585824d1d12..8aaf928add15962488e64f6135c3672b03719021 100644
--- a/var/spack/repos/builtin/packages/everytrace/package.py
+++ b/var/spack/repos/builtin/packages/everytrace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/evieext/package.py b/var/spack/repos/builtin/packages/evieext/package.py
index 1ec12e4156e92967dbe0649f1334cf94733adaa1..e857c0d5d5101c2bf462beccd99047a73619c788 100644
--- a/var/spack/repos/builtin/packages/evieext/package.py
+++ b/var/spack/repos/builtin/packages/evieext/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/exabayes/package.py b/var/spack/repos/builtin/packages/exabayes/package.py
index e3164dc1b17f175a5c1f353e21b52b787638f4d4..2e951f6d7515c5a09214acd01d9e0c72af424a91 100644
--- a/var/spack/repos/builtin/packages/exabayes/package.py
+++ b/var/spack/repos/builtin/packages/exabayes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/examinimd/package.py b/var/spack/repos/builtin/packages/examinimd/package.py
index 2bf30715b409c96978be670f5cb189f4bcf79ffb..ffb31a8ff85bccf954959bf4a5c7a47218a9c001 100644
--- a/var/spack/repos/builtin/packages/examinimd/package.py
+++ b/var/spack/repos/builtin/packages/examinimd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/exampm/package.py b/var/spack/repos/builtin/packages/exampm/package.py
index eb808203a2c7edead3c1bb6a049d563f68d7fb9b..8ea259daae8ad7c4e57ebb7d6d43d43c2ad7ff81 100644
--- a/var/spack/repos/builtin/packages/exampm/package.py
+++ b/var/spack/repos/builtin/packages/exampm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/exasp2/package.py b/var/spack/repos/builtin/packages/exasp2/package.py
index f79682731782edeabe9734692304265fb6f29c6c..511ff984a75fdb0853f6ace74310064c2677c0e2 100644
--- a/var/spack/repos/builtin/packages/exasp2/package.py
+++ b/var/spack/repos/builtin/packages/exasp2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/exmcutils/package.py b/var/spack/repos/builtin/packages/exmcutils/package.py
index 48d3d8afef8c2ccf317299d0712655a800ca1519..33b1827f00ba7ef039b4336f485052ec2eec0052 100644
--- a/var/spack/repos/builtin/packages/exmcutils/package.py
+++ b/var/spack/repos/builtin/packages/exmcutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/exodusii/package.py b/var/spack/repos/builtin/packages/exodusii/package.py
index 4b504c315316968b8194cbb28b8b3a8e36f8e77c..669929abce6918d7842b3824bda3072a5ec3469c 100644
--- a/var/spack/repos/builtin/packages/exodusii/package.py
+++ b/var/spack/repos/builtin/packages/exodusii/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 # TODO: Add support for a C++11 enabled installation that filters out the
diff --git a/var/spack/repos/builtin/packages/exonerate/package.py b/var/spack/repos/builtin/packages/exonerate/package.py
index d2690bbcf3436dcacdb58d0b1e9fe35994ff029e..27b1c557c3297d7fade3ccd5ffc94cdf1508624f 100644
--- a/var/spack/repos/builtin/packages/exonerate/package.py
+++ b/var/spack/repos/builtin/packages/exonerate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/expat/package.py b/var/spack/repos/builtin/packages/expat/package.py
index 7ba3faf8b0c6a3815cfc2ae18a18ad5c2dc7762a..2068401160af3cf5b9c6d8669d96ea93277d2284 100644
--- a/var/spack/repos/builtin/packages/expat/package.py
+++ b/var/spack/repos/builtin/packages/expat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/expect/package.py b/var/spack/repos/builtin/packages/expect/package.py
index 3a14a013e54ed0f333705260bdc6aa4bd992d8cc..8e17b3d5d93f6b9ab536d2e2ef6aec19164d74eb 100644
--- a/var/spack/repos/builtin/packages/expect/package.py
+++ b/var/spack/repos/builtin/packages/expect/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/express/package.py b/var/spack/repos/builtin/packages/express/package.py
index f4ca8e9641e4148a863fbf9f737f87ec4d750506..cfb262d31313dd50eda61624320fd26017c03335 100644
--- a/var/spack/repos/builtin/packages/express/package.py
+++ b/var/spack/repos/builtin/packages/express/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 import glob
diff --git a/var/spack/repos/builtin/packages/extrae/package.py b/var/spack/repos/builtin/packages/extrae/package.py
index 2c06ee5e162205f2c9a7703d9350154cffb6e092..c79573424db0334cd8762f803cb7335bd09c2d78 100644
--- a/var/spack/repos/builtin/packages/extrae/package.py
+++ b/var/spack/repos/builtin/packages/extrae/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 # typical working line with extrae 3.0.1
diff --git a/var/spack/repos/builtin/packages/exuberant-ctags/package.py b/var/spack/repos/builtin/packages/exuberant-ctags/package.py
index f0a3c632ede00ffca07293dd50468640e4b4b9f7..f77678b397426579bca3d7982b8a4b75471aa78b 100644
--- a/var/spack/repos/builtin/packages/exuberant-ctags/package.py
+++ b/var/spack/repos/builtin/packages/exuberant-ctags/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/f90cache/package.py b/var/spack/repos/builtin/packages/f90cache/package.py
index ff18433912bb0c65fbc758a3ed3b890b3ac103cc..02f37540e8066c79c815fb8511740989e53e5497 100644
--- a/var/spack/repos/builtin/packages/f90cache/package.py
+++ b/var/spack/repos/builtin/packages/f90cache/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/fabtests/package.py b/var/spack/repos/builtin/packages/fabtests/package.py
index 4e85d91e350b523592508475d7b1f75c43b5490f..77d11e68a72768e82d4055c538b00fe4fbe842dc 100644
--- a/var/spack/repos/builtin/packages/fabtests/package.py
+++ b/var/spack/repos/builtin/packages/fabtests/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/falcon/package.py b/var/spack/repos/builtin/packages/falcon/package.py
index f0a565cf3507e7e120bc0ae391e0e3b70d0733fa..85d130a1d27a9e76cff400b9846325f05f15787d 100644
--- a/var/spack/repos/builtin/packages/falcon/package.py
+++ b/var/spack/repos/builtin/packages/falcon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/fast-global-file-status/package.py b/var/spack/repos/builtin/packages/fast-global-file-status/package.py
index 186f7a8e986c014f54b493d1f181e2bb330d8317..79b35b54eea1e9a0ad4b4677bc19deb0ecf98b6a 100644
--- a/var/spack/repos/builtin/packages/fast-global-file-status/package.py
+++ b/var/spack/repos/builtin/packages/fast-global-file-status/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fasta/package.py b/var/spack/repos/builtin/packages/fasta/package.py
index 55e30ece73f07784736b79b1b02f8deb25281047..6a70762320ff02d990fdfe20e568cb40043ca7f0 100644
--- a/var/spack/repos/builtin/packages/fasta/package.py
+++ b/var/spack/repos/builtin/packages/fasta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastjar/package.py b/var/spack/repos/builtin/packages/fastjar/package.py
index 6d154e1a6498d3e5bac2339ff921038a8f3b4856..15c98729aae74cd2714acca05ee0d75a0f98e734 100644
--- a/var/spack/repos/builtin/packages/fastjar/package.py
+++ b/var/spack/repos/builtin/packages/fastjar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastmath/package.py b/var/spack/repos/builtin/packages/fastmath/package.py
index 57bfa1654956073d10180e686b1aef15d86ad60e..35e245e1fdc11780629ee84b557efeb3fdf72ba4 100644
--- a/var/spack/repos/builtin/packages/fastmath/package.py
+++ b/var/spack/repos/builtin/packages/fastmath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastme/package.py b/var/spack/repos/builtin/packages/fastme/package.py
index bf8af1dec4bb0af1545fc3917101fbdc36219b3d..2aae0380f7df728b75b627a823dac1d63a94478f 100644
--- a/var/spack/repos/builtin/packages/fastme/package.py
+++ b/var/spack/repos/builtin/packages/fastme/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastphase/package.py b/var/spack/repos/builtin/packages/fastphase/package.py
index 54797287fdf51d20fa0bec5b157f4053afef9510..80faa0d5042d4229df8305d0be81be5bd47a82c3 100644
--- a/var/spack/repos/builtin/packages/fastphase/package.py
+++ b/var/spack/repos/builtin/packages/fastphase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastq-screen/package.py b/var/spack/repos/builtin/packages/fastq-screen/package.py
index 1e6aa16ad6b70152cb1e76fa9f03f33a439432bc..c798fdb5a8284026f7e407e22e8be4dbf2958caa 100644
--- a/var/spack/repos/builtin/packages/fastq-screen/package.py
+++ b/var/spack/repos/builtin/packages/fastq-screen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastqc/package.py b/var/spack/repos/builtin/packages/fastqc/package.py
index c79371361811136f4c91bf66db9878fcc4a9c6f7..bcebd2b4cf10c67accc9eaa1e724c79a94f17f66 100644
--- a/var/spack/repos/builtin/packages/fastqc/package.py
+++ b/var/spack/repos/builtin/packages/fastqc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastqvalidator/package.py b/var/spack/repos/builtin/packages/fastqvalidator/package.py
index fca9a5bd95f91f949ff8bd1747b65244e37127fb..38ccafa069dee36507e50292cc43b5151f02427b 100644
--- a/var/spack/repos/builtin/packages/fastqvalidator/package.py
+++ b/var/spack/repos/builtin/packages/fastqvalidator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fasttree/package.py b/var/spack/repos/builtin/packages/fasttree/package.py
index 6835dc96ccbc582c57151ed81088eea32db87cbd..813b5eb0d6443167ad12f626020017bf99e22534 100644
--- a/var/spack/repos/builtin/packages/fasttree/package.py
+++ b/var/spack/repos/builtin/packages/fasttree/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fastx-toolkit/package.py b/var/spack/repos/builtin/packages/fastx-toolkit/package.py
index 648fa2bb70ba44566d7be7d65ca1a05f91e474d2..c1e74163d0eb6818bc8dc5288a020bb2fc02fe66 100644
--- a/var/spack/repos/builtin/packages/fastx-toolkit/package.py
+++ b/var/spack/repos/builtin/packages/fastx-toolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fenics/package.py b/var/spack/repos/builtin/packages/fenics/package.py
index f89f2da2c8065f0cfb63bda57c713b42dab0f0d2..f9707895fca7ee9bc58e5630c402ece471ac5ac2 100644
--- a/var/spack/repos/builtin/packages/fenics/package.py
+++ b/var/spack/repos/builtin/packages/fenics/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fermi/package.py b/var/spack/repos/builtin/packages/fermi/package.py
index 03aea8a716bb2dc5f6abe9c34b583a320af365b8..2c4693107d22c69134859a618923e324cba3803b 100644
--- a/var/spack/repos/builtin/packages/fermi/package.py
+++ b/var/spack/repos/builtin/packages/fermi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fermikit/package.py b/var/spack/repos/builtin/packages/fermikit/package.py
index 061e39b247fcde7b292ec7c437addc5db81dd958..0f44174fda108e8128b6b88456267e74bf0e6e25 100644
--- a/var/spack/repos/builtin/packages/fermikit/package.py
+++ b/var/spack/repos/builtin/packages/fermikit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fermisciencetools/package.py b/var/spack/repos/builtin/packages/fermisciencetools/package.py
index 556123dd094d90b18e2f38b4d2340a97d865f5f7..b2e67e7c27ddd21ae28a127490f9d1218a5cc2c5 100644
--- a/var/spack/repos/builtin/packages/fermisciencetools/package.py
+++ b/var/spack/repos/builtin/packages/fermisciencetools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ferret/package.py b/var/spack/repos/builtin/packages/ferret/package.py
index 746739e27b8c0cab4f0858b7e9b2d98ede3b5214..7ecffc342963840c8eeb8fe3678065fa5f01fae0 100644
--- a/var/spack/repos/builtin/packages/ferret/package.py
+++ b/var/spack/repos/builtin/packages/ferret/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/ffmpeg/package.py b/var/spack/repos/builtin/packages/ffmpeg/package.py
index abc367aedf2073c43aef7213d85c61416f5ddc7c..e5f8aab78fd1831f7eb8272f2efc853d464489d3 100644
--- a/var/spack/repos/builtin/packages/ffmpeg/package.py
+++ b/var/spack/repos/builtin/packages/ffmpeg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fftw/package.py b/var/spack/repos/builtin/packages/fftw/package.py
index 8c1d2ed1fb00dc21107413aaf7042ad16da3cd8a..0d424ce029b2155725e6b510eee2f368af85d4d7 100644
--- a/var/spack/repos/builtin/packages/fftw/package.py
+++ b/var/spack/repos/builtin/packages/fftw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import llnl.util.lang
diff --git a/var/spack/repos/builtin/packages/figtree/package.py b/var/spack/repos/builtin/packages/figtree/package.py
index 2bb63f336835feec29e70e97b2267d6e04bbe921..bb4cd8258a9bb753cbb8d9a379292b20cb16e3f6 100644
--- a/var/spack/repos/builtin/packages/figtree/package.py
+++ b/var/spack/repos/builtin/packages/figtree/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/fimpute/package.py b/var/spack/repos/builtin/packages/fimpute/package.py
index f8c89f89d49ef97bec4de57958dbbc34cc3ef9db..10e93d2a54e8c51cfa358678b6fd2ef7df45a0a7 100644
--- a/var/spack/repos/builtin/packages/fimpute/package.py
+++ b/var/spack/repos/builtin/packages/fimpute/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/findutils/package.py b/var/spack/repos/builtin/packages/findutils/package.py
index 1660268b66df217db8f6981a843dc0d7c52e9870..2f301d42ee0a81626630ae48f88149888db1f49f 100644
--- a/var/spack/repos/builtin/packages/findutils/package.py
+++ b/var/spack/repos/builtin/packages/findutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fio/package.py b/var/spack/repos/builtin/packages/fio/package.py
index b20c5d5a35e171a693d7baf5b300f0ae421d3624..59372e0a0c86d4efee934e80d028afa421e9f722 100644
--- a/var/spack/repos/builtin/packages/fio/package.py
+++ b/var/spack/repos/builtin/packages/fio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fish/package.py b/var/spack/repos/builtin/packages/fish/package.py
index 1ec75174eef400fac6bd03b9dd82a5030f7ec65d..0f7c0eb2e99dcb4eecf5ff1d3c83bec2827bceb6 100644
--- a/var/spack/repos/builtin/packages/fish/package.py
+++ b/var/spack/repos/builtin/packages/fish/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fixesproto/package.py b/var/spack/repos/builtin/packages/fixesproto/package.py
index 0c2ecc76c20f9ef6f6daec28282bacc7726d0221..ed062c1a08b2bfd8960c3a6b065da5494b329f5d 100644
--- a/var/spack/repos/builtin/packages/fixesproto/package.py
+++ b/var/spack/repos/builtin/packages/fixesproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/flac/package.py b/var/spack/repos/builtin/packages/flac/package.py
index af4c819df1b80ff4920b3b0781fb2d9e0a723071..5c416418553a16fd25e4db50bfd0183d4abfe305 100644
--- a/var/spack/repos/builtin/packages/flac/package.py
+++ b/var/spack/repos/builtin/packages/flac/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/flang/package.py b/var/spack/repos/builtin/packages/flang/package.py
index 782216427f7eb535b9463357a59b7956f2cb4331..b058febe8669167522b8d9dac16e55382439f35a 100644
--- a/var/spack/repos/builtin/packages/flang/package.py
+++ b/var/spack/repos/builtin/packages/flang/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/flann/package.py b/var/spack/repos/builtin/packages/flann/package.py
index 52441401fc36fd565198e1ce5f15de5eb3091e3c..7aee67b66c06cf7d79e372059c46edcce2a960eb 100644
--- a/var/spack/repos/builtin/packages/flann/package.py
+++ b/var/spack/repos/builtin/packages/flann/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/flash/package.py b/var/spack/repos/builtin/packages/flash/package.py
index bbd1132e847d065f3429b7faf29d6466a99d6ee7..4b464bfb11826e45fa6a07feb62483325d19e1ef 100644
--- a/var/spack/repos/builtin/packages/flash/package.py
+++ b/var/spack/repos/builtin/packages/flash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/flatbuffers/package.py b/var/spack/repos/builtin/packages/flatbuffers/package.py
index 0f8eecbf6082622de9f77ba61e83e211c53cc8ab..0f90221c0626d1944db090a512d9d8a5f4d1cba1 100644
--- a/var/spack/repos/builtin/packages/flatbuffers/package.py
+++ b/var/spack/repos/builtin/packages/flatbuffers/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/flecsale/package.py b/var/spack/repos/builtin/packages/flecsale/package.py
index 78bd88e96d9cd5b360834c582580c1f975c1dac8..803624acd05c6421269ee4423cbce9bf3cef6118 100644
--- a/var/spack/repos/builtin/packages/flecsale/package.py
+++ b/var/spack/repos/builtin/packages/flecsale/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/flecsi/package.py b/var/spack/repos/builtin/packages/flecsi/package.py
index 9903c5999057c8a75d67781df48a1c243f820643..ac10a63e49b524f2a92a77d79b9ad7b3870eb57f 100644
--- a/var/spack/repos/builtin/packages/flecsi/package.py
+++ b/var/spack/repos/builtin/packages/flecsi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/flex/package.py b/var/spack/repos/builtin/packages/flex/package.py
index b847de22d053d5194565c0e00ed523e9fce43cde..2bbef402a65e167594dd65175785f55dadaa07b6 100644
--- a/var/spack/repos/builtin/packages/flex/package.py
+++ b/var/spack/repos/builtin/packages/flex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/flint/package.py b/var/spack/repos/builtin/packages/flint/package.py
index 47134b5e74508e7ec52a5395c812ac68d12fe63b..193f0710138e002e3d36a52f40ea0893231007ab 100644
--- a/var/spack/repos/builtin/packages/flint/package.py
+++ b/var/spack/repos/builtin/packages/flint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/flit/package.py b/var/spack/repos/builtin/packages/flit/package.py
index 95f1f88788d01384e853bcaa43e1a2b0dc5b7ef6..44ab5cbbcfc324960c6d982cf44e97250bb83090 100644
--- a/var/spack/repos/builtin/packages/flit/package.py
+++ b/var/spack/repos/builtin/packages/flit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/fltk/package.py b/var/spack/repos/builtin/packages/fltk/package.py
index 4e73955ee7f679e3ed03932c905ebc96c33e7224..7f240b37ebf7c4bc75a6ace509a3c054d6962999 100644
--- a/var/spack/repos/builtin/packages/fltk/package.py
+++ b/var/spack/repos/builtin/packages/fltk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/flux-core/package.py b/var/spack/repos/builtin/packages/flux-core/package.py
index 7de8903af19d558b130be0c06af7b8f0a4a1144a..2c71cbe5aa0e360ef68328eb3f4b6252af6f8d03 100644
--- a/var/spack/repos/builtin/packages/flux-core/package.py
+++ b/var/spack/repos/builtin/packages/flux-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/flux-sched/package.py b/var/spack/repos/builtin/packages/flux-sched/package.py
index 6170f6b19eba18b3929207debc62d3b380d26b91..388ea0a0b6abbf721919c0ab93379f747176cc80 100644
--- a/var/spack/repos/builtin/packages/flux-sched/package.py
+++ b/var/spack/repos/builtin/packages/flux-sched/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/fluxbox/package.py b/var/spack/repos/builtin/packages/fluxbox/package.py
index f6474e576fce1e2f1080b193db7658f775d710e3..9d4600fe1ce1cb9061f7611e02f76fc27289d341 100644
--- a/var/spack/repos/builtin/packages/fluxbox/package.py
+++ b/var/spack/repos/builtin/packages/fluxbox/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/fmt/package.py b/var/spack/repos/builtin/packages/fmt/package.py
index 46aec784f05f2951cf57975bb4ebc8a72d31a077..ecebada931c889e5c5c9572b03e645f56fefe6b7 100644
--- a/var/spack/repos/builtin/packages/fmt/package.py
+++ b/var/spack/repos/builtin/packages/fmt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/foam-extend/package.py b/var/spack/repos/builtin/packages/foam-extend/package.py
index 2821c58eb99ec75565c8f78ea52c2733753abaee..4bd1aaaa0493333625b44f1acdb7b7771d8106cd 100644
--- a/var/spack/repos/builtin/packages/foam-extend/package.py
+++ b/var/spack/repos/builtin/packages/foam-extend/package.py
@@ -1,29 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
-#
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# License
-# -------
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # Legal Notice
 # ------------
 # OPENFOAM is a trademark owned by OpenCFD Ltd
diff --git a/var/spack/repos/builtin/packages/folly/package.py b/var/spack/repos/builtin/packages/folly/package.py
index bb1dd4fcb7042a3e6f9db1785fa76a2e37a13dfd..0a2d1f36a491f327af9aeb923d1d3fd230f7e906 100644
--- a/var/spack/repos/builtin/packages/folly/package.py
+++ b/var/spack/repos/builtin/packages/folly/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/font-adobe-100dpi/package.py b/var/spack/repos/builtin/packages/font-adobe-100dpi/package.py
index d28efecf184b6ce8f5e80317f40950a3117d4867..bf1817238f1a2db0cc66e3e117b0a7e179277cb6 100644
--- a/var/spack/repos/builtin/packages/font-adobe-100dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-adobe-100dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-adobe-75dpi/package.py b/var/spack/repos/builtin/packages/font-adobe-75dpi/package.py
index 96018b183d4e75a292a5e893b30e724e39440b86..6e1f8402ca151b1fe8800e25b44f6f5d6631fe49 100644
--- a/var/spack/repos/builtin/packages/font-adobe-75dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-adobe-75dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-adobe-utopia-100dpi/package.py b/var/spack/repos/builtin/packages/font-adobe-utopia-100dpi/package.py
index 0b6f87cb839ab72184c74671023a3559bc671c4a..fe4f5eb862c360f6e5529098da2e59c7e03b5357 100644
--- a/var/spack/repos/builtin/packages/font-adobe-utopia-100dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-adobe-utopia-100dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-adobe-utopia-75dpi/package.py b/var/spack/repos/builtin/packages/font-adobe-utopia-75dpi/package.py
index 4e52704522c625ca20cd70af46dc00a7de3b2902..9fa00f29a3016c77206b95d8024cd2b87deaea22 100644
--- a/var/spack/repos/builtin/packages/font-adobe-utopia-75dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-adobe-utopia-75dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-adobe-utopia-type1/package.py b/var/spack/repos/builtin/packages/font-adobe-utopia-type1/package.py
index 32acd3d0da7a646a85f382af22aac25cc8f4a9f6..c5e832cb29cb65fea8296d16f286bca49d5c2301 100644
--- a/var/spack/repos/builtin/packages/font-adobe-utopia-type1/package.py
+++ b/var/spack/repos/builtin/packages/font-adobe-utopia-type1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-alias/package.py b/var/spack/repos/builtin/packages/font-alias/package.py
index 86b4261394fa0e6a588d169ad5204e2a05ec4866..2819678e7130745d24d473ff14d5d664cdbbdedf 100644
--- a/var/spack/repos/builtin/packages/font-alias/package.py
+++ b/var/spack/repos/builtin/packages/font-alias/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-arabic-misc/package.py b/var/spack/repos/builtin/packages/font-arabic-misc/package.py
index 6aa5abe87d967f89349dbb0f700801b6f44631c5..910ff1af57a829928f6d00d4c44d90861164b414 100644
--- a/var/spack/repos/builtin/packages/font-arabic-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-arabic-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bh-100dpi/package.py b/var/spack/repos/builtin/packages/font-bh-100dpi/package.py
index faac4681072d83efdb00b9c5b8a066951bc092ef..48ca9aa37a620013fb626081a6c58ff4cc27fcf7 100644
--- a/var/spack/repos/builtin/packages/font-bh-100dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-bh-100dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bh-75dpi/package.py b/var/spack/repos/builtin/packages/font-bh-75dpi/package.py
index 893dfb7a07d3e881faa3456aed59cbcac75653ca..0af3c8e1d1fd32fe4d944d08d71c180dc7e6ee30 100644
--- a/var/spack/repos/builtin/packages/font-bh-75dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-bh-75dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-100dpi/package.py b/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-100dpi/package.py
index 8a17a95857ad8d324693915e80bcc3a9a1a1036f..7b001c32e3074e62f73e1f17e6bbb6eefe33fa19 100644
--- a/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-100dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-100dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-75dpi/package.py b/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-75dpi/package.py
index 65a6cedb2410ea65ac2b4987c9f13d72c33ec93a..ce0677144f943fd131645c0c1995655374738e7c 100644
--- a/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-75dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-bh-lucidatypewriter-75dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bh-ttf/package.py b/var/spack/repos/builtin/packages/font-bh-ttf/package.py
index 2212c235921b63ab6ef3c1b66b26c603345146d4..ae662cd40c21ec491dee8308c2efe1ef2d2c0e2c 100644
--- a/var/spack/repos/builtin/packages/font-bh-ttf/package.py
+++ b/var/spack/repos/builtin/packages/font-bh-ttf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bh-type1/package.py b/var/spack/repos/builtin/packages/font-bh-type1/package.py
index d47640adb29ba836c2cbda0a07430702ccda2ded..d75bb953f31f7877ae5e3ac82d82d1c57b31ec8b 100644
--- a/var/spack/repos/builtin/packages/font-bh-type1/package.py
+++ b/var/spack/repos/builtin/packages/font-bh-type1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bitstream-100dpi/package.py b/var/spack/repos/builtin/packages/font-bitstream-100dpi/package.py
index f10630755f59f1b92540b038c12b788e46aaed6f..286a2dec5b53eb30073ccbb0c5a2560b24e36784 100644
--- a/var/spack/repos/builtin/packages/font-bitstream-100dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-bitstream-100dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bitstream-75dpi/package.py b/var/spack/repos/builtin/packages/font-bitstream-75dpi/package.py
index 33f82f8b12e336eb40d6d443449bcb210d8c630c..028121c2a903b6cf696317c5b721b15fe250cf59 100644
--- a/var/spack/repos/builtin/packages/font-bitstream-75dpi/package.py
+++ b/var/spack/repos/builtin/packages/font-bitstream-75dpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bitstream-speedo/package.py b/var/spack/repos/builtin/packages/font-bitstream-speedo/package.py
index cabb00883b2f02920aaa5298f1ebec4a239007cc..ca3b5a2e4832ff90e5e47299ca43603c1a608823 100644
--- a/var/spack/repos/builtin/packages/font-bitstream-speedo/package.py
+++ b/var/spack/repos/builtin/packages/font-bitstream-speedo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-bitstream-type1/package.py b/var/spack/repos/builtin/packages/font-bitstream-type1/package.py
index a6b38e7c6329e659f9fd234039556af24b990757..efb427de3af7d6953331371a7b6089e5c91df40a 100644
--- a/var/spack/repos/builtin/packages/font-bitstream-type1/package.py
+++ b/var/spack/repos/builtin/packages/font-bitstream-type1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-cronyx-cyrillic/package.py b/var/spack/repos/builtin/packages/font-cronyx-cyrillic/package.py
index a95ad065d0244ed5459f25eec490448b9abcfc20..0ac07e966949b1561e401199029cdc3258a0a58a 100644
--- a/var/spack/repos/builtin/packages/font-cronyx-cyrillic/package.py
+++ b/var/spack/repos/builtin/packages/font-cronyx-cyrillic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-cursor-misc/package.py b/var/spack/repos/builtin/packages/font-cursor-misc/package.py
index d05cbb523f0146b21e0ed7b0767f43eef2eedd60..321bd01b136e9e35edb5e32d7889abe005d8b0c9 100644
--- a/var/spack/repos/builtin/packages/font-cursor-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-cursor-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-daewoo-misc/package.py b/var/spack/repos/builtin/packages/font-daewoo-misc/package.py
index 58e733e42cf8773457dbe975fff4881cdd4dc06e..737d3dfac9afeef9608fce97356d08b56acc6e44 100644
--- a/var/spack/repos/builtin/packages/font-daewoo-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-daewoo-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-dec-misc/package.py b/var/spack/repos/builtin/packages/font-dec-misc/package.py
index d139d5095a95ea33b6fb18c648d0415fc7a3e88a..e4cc9cbab833fa0fc70d7689b68d1b97c5ea7b8d 100644
--- a/var/spack/repos/builtin/packages/font-dec-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-dec-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-ibm-type1/package.py b/var/spack/repos/builtin/packages/font-ibm-type1/package.py
index 4cab224e3ff09e45c817c19db44abf03dd242052..213be77570ff3feacc629aaed51a14f1af179046 100644
--- a/var/spack/repos/builtin/packages/font-ibm-type1/package.py
+++ b/var/spack/repos/builtin/packages/font-ibm-type1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-isas-misc/package.py b/var/spack/repos/builtin/packages/font-isas-misc/package.py
index c98dac2bf7b9c44a6051ea388e5f08d3639c9992..d51f7daf6265d16c498baab8d8edb54e18f47208 100644
--- a/var/spack/repos/builtin/packages/font-isas-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-isas-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-jis-misc/package.py b/var/spack/repos/builtin/packages/font-jis-misc/package.py
index b7fd329f51bfc16e6471885f0de5bb1e4dd4f185..5165a97c8ab7baaaa8e7b9767a4ba80d1770a17f 100644
--- a/var/spack/repos/builtin/packages/font-jis-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-jis-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-micro-misc/package.py b/var/spack/repos/builtin/packages/font-micro-misc/package.py
index 24d1b4ecdb79a39c38b271e6a4b11d811d6c5f8f..4212aac2b642192781efe160a9672fd817891f2d 100644
--- a/var/spack/repos/builtin/packages/font-micro-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-micro-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-misc-cyrillic/package.py b/var/spack/repos/builtin/packages/font-misc-cyrillic/package.py
index 23d9eaf9784fee3fbb68275e1226d85e1d8051cc..24085afdee3ead61be6fddc396aabd46b1899ca3 100644
--- a/var/spack/repos/builtin/packages/font-misc-cyrillic/package.py
+++ b/var/spack/repos/builtin/packages/font-misc-cyrillic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-misc-ethiopic/package.py b/var/spack/repos/builtin/packages/font-misc-ethiopic/package.py
index 2b768cd66f64addd275c30eda81cd753589b1420..5fcc5a50d1ca366c8418177ff60a98be522607cf 100644
--- a/var/spack/repos/builtin/packages/font-misc-ethiopic/package.py
+++ b/var/spack/repos/builtin/packages/font-misc-ethiopic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-misc-meltho/package.py b/var/spack/repos/builtin/packages/font-misc-meltho/package.py
index 1ebaa7973c7ebbbe7cb2b685c4d36558b92c8f4e..29be9bfebdfea5235574acae2f70270f6d91fbf6 100644
--- a/var/spack/repos/builtin/packages/font-misc-meltho/package.py
+++ b/var/spack/repos/builtin/packages/font-misc-meltho/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-misc-misc/package.py b/var/spack/repos/builtin/packages/font-misc-misc/package.py
index 633992b5dec4a7e0f8f93b7facc50b236b057fe3..d29384eaa514690e76403918d5c324ce2ad62ce4 100644
--- a/var/spack/repos/builtin/packages/font-misc-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-misc-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-mutt-misc/package.py b/var/spack/repos/builtin/packages/font-mutt-misc/package.py
index 9f345f6c1b41092a072678cc3a3083b97f82f325..376f6d3f22b03a22a1f2e88404cf93479abb3dcd 100644
--- a/var/spack/repos/builtin/packages/font-mutt-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-mutt-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-schumacher-misc/package.py b/var/spack/repos/builtin/packages/font-schumacher-misc/package.py
index b726e9f0e240516aac8ec1ae4e705e9559701379..fefe1e1c619789d330183ec593aed77179dc7019 100644
--- a/var/spack/repos/builtin/packages/font-schumacher-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-schumacher-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-screen-cyrillic/package.py b/var/spack/repos/builtin/packages/font-screen-cyrillic/package.py
index fc22bbf063d1eb2fc35cc8c6ab5f466a045123ea..0eec73060d33ee142ef1c27ba96c14b35041e1a3 100644
--- a/var/spack/repos/builtin/packages/font-screen-cyrillic/package.py
+++ b/var/spack/repos/builtin/packages/font-screen-cyrillic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-sony-misc/package.py b/var/spack/repos/builtin/packages/font-sony-misc/package.py
index 7a8d39bb276bcb99f1e6ac439bafe581dcaa8dae..912957ab122c053e9d026074c05cd2014762bbd7 100644
--- a/var/spack/repos/builtin/packages/font-sony-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-sony-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-sun-misc/package.py b/var/spack/repos/builtin/packages/font-sun-misc/package.py
index cc69341af6e2eeb0199cf5ac45606faf210d5bed..8555fdb428a220554a2c8f97056adfd0dbbb063a 100644
--- a/var/spack/repos/builtin/packages/font-sun-misc/package.py
+++ b/var/spack/repos/builtin/packages/font-sun-misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-util/package.py b/var/spack/repos/builtin/packages/font-util/package.py
index 9a71df8e3b2eb1e0b46c32932f463fca7249fc9c..7a5e16348249ef42c9a6bd469a63ff26a9b1a474 100644
--- a/var/spack/repos/builtin/packages/font-util/package.py
+++ b/var/spack/repos/builtin/packages/font-util/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-winitzki-cyrillic/package.py b/var/spack/repos/builtin/packages/font-winitzki-cyrillic/package.py
index c6c8d01e83885c58227fa938e9c6669dec79d558..e15236a20ff3b2264ff15be92f8c484552a98198 100644
--- a/var/spack/repos/builtin/packages/font-winitzki-cyrillic/package.py
+++ b/var/spack/repos/builtin/packages/font-winitzki-cyrillic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/font-xfree86-type1/package.py b/var/spack/repos/builtin/packages/font-xfree86-type1/package.py
index 9dda381cbedcc702e936194f2baba002e1a48a65..5cb5de7eb8ba0fdc1f42ced73b0f7787bc16cdae 100644
--- a/var/spack/repos/builtin/packages/font-xfree86-type1/package.py
+++ b/var/spack/repos/builtin/packages/font-xfree86-type1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fontcacheproto/package.py b/var/spack/repos/builtin/packages/fontcacheproto/package.py
index 2c5b0374fe77c6f3a2270034d8ec5a9bd6da1c33..77c8e4a38a9a0e059b29cee9412a230940a8b5a9 100644
--- a/var/spack/repos/builtin/packages/fontcacheproto/package.py
+++ b/var/spack/repos/builtin/packages/fontcacheproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fontconfig/package.py b/var/spack/repos/builtin/packages/fontconfig/package.py
index 358e383785e18e5c924e88325ea7b5b1e4f4b688..0ef1a3ebc9918f7d210706210f41513dfd580fe3 100644
--- a/var/spack/repos/builtin/packages/fontconfig/package.py
+++ b/var/spack/repos/builtin/packages/fontconfig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fontsproto/package.py b/var/spack/repos/builtin/packages/fontsproto/package.py
index bd114069b325f0b7ec92a73292aaa5dec237a8cd..22ea47956751913643af72d06c9cf9ccb3a117a8 100644
--- a/var/spack/repos/builtin/packages/fontsproto/package.py
+++ b/var/spack/repos/builtin/packages/fontsproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fonttosfnt/package.py b/var/spack/repos/builtin/packages/fonttosfnt/package.py
index af7cbb07edb31e89d6e10189c114854e3213589c..02928b26b8134430b672c6070a399b8b18a2f768 100644
--- a/var/spack/repos/builtin/packages/fonttosfnt/package.py
+++ b/var/spack/repos/builtin/packages/fonttosfnt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fp16/package.py b/var/spack/repos/builtin/packages/fp16/package.py
index 7cdc8293a4bec6025979f282dc79732cb9286eaa..e20b215ce1903d98043a879cfebacf0270419c62 100644
--- a/var/spack/repos/builtin/packages/fp16/package.py
+++ b/var/spack/repos/builtin/packages/fp16/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fpc/package.py b/var/spack/repos/builtin/packages/fpc/package.py
index 6e3f9d4353b9a2733b85a7767d0f72e3de2a5121..ec0fca7b685b22781107316f3502157448476175 100644
--- a/var/spack/repos/builtin/packages/fpc/package.py
+++ b/var/spack/repos/builtin/packages/fpc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fr-hit/package.py b/var/spack/repos/builtin/packages/fr-hit/package.py
index 2c1a61e4f4bc72cdb7f086fb4534b30c2eb762c7..a6dc3378822de6bd19cd4588d0b31bf15a9e654b 100644
--- a/var/spack/repos/builtin/packages/fr-hit/package.py
+++ b/var/spack/repos/builtin/packages/fr-hit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/freebayes/package.py b/var/spack/repos/builtin/packages/freebayes/package.py
index 4d1ab6f773d14d6dddcb19c2e3ba3e9ec564132a..a50362d453b5a3b551728413e073d64d166930a8 100644
--- a/var/spack/repos/builtin/packages/freebayes/package.py
+++ b/var/spack/repos/builtin/packages/freebayes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/freeglut/package.py b/var/spack/repos/builtin/packages/freeglut/package.py
index eabe21949a58950a097715a70a90df37473b1e4a..6327a20839352598a11f688e59274c3d31009e9e 100644
--- a/var/spack/repos/builtin/packages/freeglut/package.py
+++ b/var/spack/repos/builtin/packages/freeglut/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/freetype/package.py b/var/spack/repos/builtin/packages/freetype/package.py
index 0791568e32be014ef4c19e8cd374a992f446a0a9..ef2500c7780714e9962cb0ff96a8a0a5d04069fd 100644
--- a/var/spack/repos/builtin/packages/freetype/package.py
+++ b/var/spack/repos/builtin/packages/freetype/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fseq/package.py b/var/spack/repos/builtin/packages/fseq/package.py
index 41dcab68047c2ff765aac9605162557824d50ae8..5397c64d1f0b5b16489d2399ff7925a5bb3cc0e4 100644
--- a/var/spack/repos/builtin/packages/fseq/package.py
+++ b/var/spack/repos/builtin/packages/fseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fsl/package.py b/var/spack/repos/builtin/packages/fsl/package.py
index 00d00db220b37a435f34cab1b95cbdca924bfa09..1a0b3e054efe8e600692f632f3ed282f589642c1 100644
--- a/var/spack/repos/builtin/packages/fsl/package.py
+++ b/var/spack/repos/builtin/packages/fsl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.environment import EnvironmentModifications
 import os
diff --git a/var/spack/repos/builtin/packages/fslsfonts/package.py b/var/spack/repos/builtin/packages/fslsfonts/package.py
index 3153d556af030d814187517479dc4e0f1a18d576..1f540a55096fa1cd40f9f178a5c7ede505d5486d 100644
--- a/var/spack/repos/builtin/packages/fslsfonts/package.py
+++ b/var/spack/repos/builtin/packages/fslsfonts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/fstobdf/package.py b/var/spack/repos/builtin/packages/fstobdf/package.py
index a8abd4917f2e49867219a706384544ade011f133..1605edddc3938e4ad6140603493abad66f18967b 100644
--- a/var/spack/repos/builtin/packages/fstobdf/package.py
+++ b/var/spack/repos/builtin/packages/fstobdf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ftgl/package.py b/var/spack/repos/builtin/packages/ftgl/package.py
index a2fcb7c702b34787f49c720484c46b72838b5092..030fa441acc436f8d7a4752081821bab6df81de4 100644
--- a/var/spack/repos/builtin/packages/ftgl/package.py
+++ b/var/spack/repos/builtin/packages/ftgl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 import os
diff --git a/var/spack/repos/builtin/packages/funhpc/package.py b/var/spack/repos/builtin/packages/funhpc/package.py
index c31f10dc30cc43d2431463a1ab1b48c6cbec5370..8082be7b2435fedbb4c80aed936623b5f25e0a35 100644
--- a/var/spack/repos/builtin/packages/funhpc/package.py
+++ b/var/spack/repos/builtin/packages/funhpc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/fyba/package.py b/var/spack/repos/builtin/packages/fyba/package.py
index bdaece0cf57f68fca3a5e99e84e344018fdf128f..e0cfc046cda7e84cd6f2e631ea36065e0b73b221 100644
--- a/var/spack/repos/builtin/packages/fyba/package.py
+++ b/var/spack/repos/builtin/packages/fyba/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gapbs/package.py b/var/spack/repos/builtin/packages/gapbs/package.py
index 2dfd34b7f0e66affed46547103e6d533162caec2..f62cbb790fa196c0e9dfcd35d0d1a416cb337609 100644
--- a/var/spack/repos/builtin/packages/gapbs/package.py
+++ b/var/spack/repos/builtin/packages/gapbs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gapcloser/package.py b/var/spack/repos/builtin/packages/gapcloser/package.py
index cc7478dcc454b9a797b486fc757049f67ba9b3c5..d4ff13781672fa7a8ce872796cfa803165cb49b5 100644
--- a/var/spack/repos/builtin/packages/gapcloser/package.py
+++ b/var/spack/repos/builtin/packages/gapcloser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gapfiller/package.py b/var/spack/repos/builtin/packages/gapfiller/package.py
index 35f8b106c8c067c71678ec69aa4361226a81e50c..883874007bc200c76cd10744c2aa61244b893043 100644
--- a/var/spack/repos/builtin/packages/gapfiller/package.py
+++ b/var/spack/repos/builtin/packages/gapfiller/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import glob
diff --git a/var/spack/repos/builtin/packages/gasnet/package.py b/var/spack/repos/builtin/packages/gasnet/package.py
index d7e3021c7a6ebe7b80845ca88c3a9428ac2f5de4..7681af2d2198f9041a790d376b2078f7129e0020 100644
--- a/var/spack/repos/builtin/packages/gasnet/package.py
+++ b/var/spack/repos/builtin/packages/gasnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gatk/package.py b/var/spack/repos/builtin/packages/gatk/package.py
index e2462ea4e6d80b2f6fa01b7527f02259da7dfed9..32bb77153017c24d6d8faf418b118ef485185dab 100644
--- a/var/spack/repos/builtin/packages/gatk/package.py
+++ b/var/spack/repos/builtin/packages/gatk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os.path
diff --git a/var/spack/repos/builtin/packages/gaussian/package.py b/var/spack/repos/builtin/packages/gaussian/package.py
index c14c830b0ebe67da769007a067c12c1245a9a3b3..a9088d11e63352c93ee48b72ce77d82136bc836e 100644
--- a/var/spack/repos/builtin/packages/gaussian/package.py
+++ b/var/spack/repos/builtin/packages/gaussian/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/gawk/package.py b/var/spack/repos/builtin/packages/gawk/package.py
index 271e40902da9371b89632dfa2a024988ded6992c..61e08f3158d4b0d34c0aa2c1151caa3c62e4de7a 100644
--- a/var/spack/repos/builtin/packages/gawk/package.py
+++ b/var/spack/repos/builtin/packages/gawk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gblocks/package.py b/var/spack/repos/builtin/packages/gblocks/package.py
index 5ca22e44d02a087659d58b3d2992e03dfd5cd152..38fc44b86ad563e0dd1386dfca40d21017044d41 100644
--- a/var/spack/repos/builtin/packages/gblocks/package.py
+++ b/var/spack/repos/builtin/packages/gblocks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gcc/package.py b/var/spack/repos/builtin/packages/gcc/package.py
index 2003bdfcd85c162c2df625b65ba547a0b58249d5..e6f9ad5d09f3f307d3c05af9c059d1582ab4a9a7 100644
--- a/var/spack/repos/builtin/packages/gcc/package.py
+++ b/var/spack/repos/builtin/packages/gcc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.operating_systems.mac_os import macos_version
 from llnl.util import tty
diff --git a/var/spack/repos/builtin/packages/gccmakedep/package.py b/var/spack/repos/builtin/packages/gccmakedep/package.py
index 8588cde8fe6774aade05edf5fd4a8a36a5ab6b2a..ae0bade1fd581b9f83f0a9473367527ce56b5552 100644
--- a/var/spack/repos/builtin/packages/gccmakedep/package.py
+++ b/var/spack/repos/builtin/packages/gccmakedep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gccxml/package.py b/var/spack/repos/builtin/packages/gccxml/package.py
index 995a63bd0cf029feb2eb6f23b2e3b8b2765fc3e4..99ebf75a5f5d1e81d5bd8a86080e56cded4a9ec1 100644
--- a/var/spack/repos/builtin/packages/gccxml/package.py
+++ b/var/spack/repos/builtin/packages/gccxml/package.py
@@ -1,24 +1,8 @@
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gconf/package.py b/var/spack/repos/builtin/packages/gconf/package.py
index 7449f550cfd96fa165ba3ecdde17d959fd26c313..abafae9c367058eafe88842fc2474597067d21db 100644
--- a/var/spack/repos/builtin/packages/gconf/package.py
+++ b/var/spack/repos/builtin/packages/gconf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gcta/package.py b/var/spack/repos/builtin/packages/gcta/package.py
index 5cbc05a1cfff070f027d37573aa2640809f6537c..8ff01ebe05d66f0f02db19f949407f24194579ea 100644
--- a/var/spack/repos/builtin/packages/gcta/package.py
+++ b/var/spack/repos/builtin/packages/gcta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gdal/package.py b/var/spack/repos/builtin/packages/gdal/package.py
index 250a3b99413ad62085bbedb5865dac19825173b2..2ca0df636fad7ae373c3dba0361c3fe43844e96e 100644
--- a/var/spack/repos/builtin/packages/gdal/package.py
+++ b/var/spack/repos/builtin/packages/gdal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/gdb/package.py b/var/spack/repos/builtin/packages/gdb/package.py
index 5dcb307331313fd29de4c08b030a5b196b3e39ec..5d6b265961bebec9d6bc71cc3273a717c9d7361a 100644
--- a/var/spack/repos/builtin/packages/gdb/package.py
+++ b/var/spack/repos/builtin/packages/gdb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gdbm/package.py b/var/spack/repos/builtin/packages/gdbm/package.py
index a4abc46f588b85408d9f4f57f92b2ff1bf08edfe..d041c283bfbf73a50de6d9225ce7465aa49a6349 100644
--- a/var/spack/repos/builtin/packages/gdbm/package.py
+++ b/var/spack/repos/builtin/packages/gdbm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/gdk-pixbuf/package.py b/var/spack/repos/builtin/packages/gdk-pixbuf/package.py
index 7423cd5a314d43bbf5aa8be5e17d0982f4de4969..9aaa91b2dd785e7a1cd05e3512bb7f7b653dabbf 100644
--- a/var/spack/repos/builtin/packages/gdk-pixbuf/package.py
+++ b/var/spack/repos/builtin/packages/gdk-pixbuf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gdl/package.py b/var/spack/repos/builtin/packages/gdl/package.py
index 3de689948ee354e15a3a282be949b32dfee44205..ac49f17236426ddac797d2b88f104e3bfa2bd323 100644
--- a/var/spack/repos/builtin/packages/gdl/package.py
+++ b/var/spack/repos/builtin/packages/gdl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/geant4/package.py b/var/spack/repos/builtin/packages/geant4/package.py
index b40fd27d5d0b87ac0f73c803efb7b617f9ba0c63..0685de3cd94fbba3ed443fb7b95ebd07c8b6d2b4 100644
--- a/var/spack/repos/builtin/packages/geant4/package.py
+++ b/var/spack/repos/builtin/packages/geant4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import platform
diff --git a/var/spack/repos/builtin/packages/gearshifft/package.py b/var/spack/repos/builtin/packages/gearshifft/package.py
index f2a4d015a660397b6376cd1b18d9a116b7f3d2fc..7b71f2e2ee5ad801a0a90aa6d5d0e05544ee32b5 100644
--- a/var/spack/repos/builtin/packages/gearshifft/package.py
+++ b/var/spack/repos/builtin/packages/gearshifft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gemmlowp/package.py b/var/spack/repos/builtin/packages/gemmlowp/package.py
index 9ff88511e65d0eb8c45c051cc801ca833eb98248..d293a9b254e7b352ead74879de10862a8228169a 100644
--- a/var/spack/repos/builtin/packages/gemmlowp/package.py
+++ b/var/spack/repos/builtin/packages/gemmlowp/package.py
@@ -1,27 +1,8 @@
-#############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/genemark-et/package.py b/var/spack/repos/builtin/packages/genemark-et/package.py
index 34350a3c5a045bbbff745a7965cc092c96ccd910..d38a84522a0d94f830abd34d7eed2f8f6330358c 100644
--- a/var/spack/repos/builtin/packages/genemark-et/package.py
+++ b/var/spack/repos/builtin/packages/genemark-et/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import glob
diff --git a/var/spack/repos/builtin/packages/genomefinisher/package.py b/var/spack/repos/builtin/packages/genomefinisher/package.py
index 2083c3b22b1d8a217d38d440c9065e1fc46cdd95..d9030c2a19aeb2eda26fe57ccb655d71555774b9 100644
--- a/var/spack/repos/builtin/packages/genomefinisher/package.py
+++ b/var/spack/repos/builtin/packages/genomefinisher/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/genometools/package.py b/var/spack/repos/builtin/packages/genometools/package.py
index 86e092e7b0410a2da2b30f9b52a29b19a91a7d50..5d88fa04166cfc39c6144128f334d9ea11536563 100644
--- a/var/spack/repos/builtin/packages/genometools/package.py
+++ b/var/spack/repos/builtin/packages/genometools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-#############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/geopm/package.py b/var/spack/repos/builtin/packages/geopm/package.py
index 634b0e79a832d2d6fc452aa6718f2ed3a1fdee1b..37047ab1b0f10473dc0d58f9c4f5f8b9025c1ce9 100644
--- a/var/spack/repos/builtin/packages/geopm/package.py
+++ b/var/spack/repos/builtin/packages/geopm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/geos/package.py b/var/spack/repos/builtin/packages/geos/package.py
index 4589a05e3034e6b97958aff430d975d479aac902..3bd4a8f7e49e2afce3c6c445c7ec6baf51ce046e 100644
--- a/var/spack/repos/builtin/packages/geos/package.py
+++ b/var/spack/repos/builtin/packages/geos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gettext/package.py b/var/spack/repos/builtin/packages/gettext/package.py
index c7f2d396a1b31d61f0b3fa7894a289c4713655a7..7676bb8cfb69abcd6a3980071172d70fc25894f5 100644
--- a/var/spack/repos/builtin/packages/gettext/package.py
+++ b/var/spack/repos/builtin/packages/gettext/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gflags/package.py b/var/spack/repos/builtin/packages/gflags/package.py
index 68b91bcb74d07924df850fc46e27dabc6ffb4adc..4984af3406b130e1ec530e3903860c59b37cc440 100644
--- a/var/spack/repos/builtin/packages/gflags/package.py
+++ b/var/spack/repos/builtin/packages/gflags/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ghost/package.py b/var/spack/repos/builtin/packages/ghost/package.py
index deadd8338b09447d3b493547f805fccfeb3020d4..246f9901338823b9ce95d196f53ce0f1873a7bff 100644
--- a/var/spack/repos/builtin/packages/ghost/package.py
+++ b/var/spack/repos/builtin/packages/ghost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/ghostscript-fonts/package.py b/var/spack/repos/builtin/packages/ghostscript-fonts/package.py
index 69aa6851a25e2a0e058b85c6b01e354e48147dc6..198108fd4e9af1d6abcd86b7e27f287be99ebe09 100644
--- a/var/spack/repos/builtin/packages/ghostscript-fonts/package.py
+++ b/var/spack/repos/builtin/packages/ghostscript-fonts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/ghostscript/package.py b/var/spack/repos/builtin/packages/ghostscript/package.py
index 15c01909641e0728528aa8ec8c5ead29ae52220e..d5d478bf9009327adb4aaf09aff7c3ba0647b7f4 100644
--- a/var/spack/repos/builtin/packages/ghostscript/package.py
+++ b/var/spack/repos/builtin/packages/ghostscript/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import shutil
 
diff --git a/var/spack/repos/builtin/packages/giflib/package.py b/var/spack/repos/builtin/packages/giflib/package.py
index e5dba22ff7bdc6c0d31ee0547ae7c9641928ea5b..a951143a12948b0926fb59f1178412c241e62105 100644
--- a/var/spack/repos/builtin/packages/giflib/package.py
+++ b/var/spack/repos/builtin/packages/giflib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/git-imerge/package.py b/var/spack/repos/builtin/packages/git-imerge/package.py
index 1c87833e6982825d97094d6152f5d403711690be..524a8b28ee63540906124e558edd54b58e7b9368 100644
--- a/var/spack/repos/builtin/packages/git-imerge/package.py
+++ b/var/spack/repos/builtin/packages/git-imerge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/git-lfs/package.py b/var/spack/repos/builtin/packages/git-lfs/package.py
index 99b02c99f3a4e27aaa3ce028b4e8621681ccecfa..902540a6034d5c1f368434e15d80835ca51f8ef8 100644
--- a/var/spack/repos/builtin/packages/git-lfs/package.py
+++ b/var/spack/repos/builtin/packages/git-lfs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/git/package.py b/var/spack/repos/builtin/packages/git/package.py
index 3e8a11d69e07554d17f997d91b41cfe25855ace8..3578447736fff310fce9a712c28d54a736646692 100644
--- a/var/spack/repos/builtin/packages/git/package.py
+++ b/var/spack/repos/builtin/packages/git/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/gl2ps/package.py b/var/spack/repos/builtin/packages/gl2ps/package.py
index d1dd9060ca5924ceb6c0db14138a7b9b1c8c65f7..16e4453bfd5132500e0928811eb0d5e171fd7c1e 100644
--- a/var/spack/repos/builtin/packages/gl2ps/package.py
+++ b/var/spack/repos/builtin/packages/gl2ps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glew/package.py b/var/spack/repos/builtin/packages/glew/package.py
index 7901fd5e6782e5ea4e57747c9d931ddc4508f949..58c5ef686e8505032b42a443411bfd40fa4dd85b 100644
--- a/var/spack/repos/builtin/packages/glew/package.py
+++ b/var/spack/repos/builtin/packages/glew/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glfmultiples/package.py b/var/spack/repos/builtin/packages/glfmultiples/package.py
index be48f3a3ed37d03d610c352564fc0b728d275b9c..deb5789e240c194fae487303034ea81355472044 100644
--- a/var/spack/repos/builtin/packages/glfmultiples/package.py
+++ b/var/spack/repos/builtin/packages/glfmultiples/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glib/package.py b/var/spack/repos/builtin/packages/glib/package.py
index cf4a6ce371b46523d2f9a960b0247eb447c640bc..ab554165a1362d0c5ebb79e33efe46a3a4380b00 100644
--- a/var/spack/repos/builtin/packages/glib/package.py
+++ b/var/spack/repos/builtin/packages/glib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import os.path
diff --git a/var/spack/repos/builtin/packages/glibmm/package.py b/var/spack/repos/builtin/packages/glibmm/package.py
index 810a8674b17024e72f630ff8dd6d5db893a7eb9e..5fcf28ed83c017d789b59157ecb3227086c6790f 100644
--- a/var/spack/repos/builtin/packages/glibmm/package.py
+++ b/var/spack/repos/builtin/packages/glibmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glimmer/package.py b/var/spack/repos/builtin/packages/glimmer/package.py
index 2831b0b4b18f4ed3b399335e9a34422388dd08f1..b93aefc08f429192408f59cc4540234428685046 100644
--- a/var/spack/repos/builtin/packages/glimmer/package.py
+++ b/var/spack/repos/builtin/packages/glimmer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glm/package.py b/var/spack/repos/builtin/packages/glm/package.py
index aa103d5ee53d6a4eeaf77b3760c682600638c20f..c628872feb0df6db37d6a973450f4130070316d1 100644
--- a/var/spack/repos/builtin/packages/glm/package.py
+++ b/var/spack/repos/builtin/packages/glm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/global/package.py b/var/spack/repos/builtin/packages/global/package.py
index 401638e46ae64cf98fa20791fcb9a1cf8d22b675..66be9777c18bb0d2573932f97a50c5ec465519a2 100644
--- a/var/spack/repos/builtin/packages/global/package.py
+++ b/var/spack/repos/builtin/packages/global/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/globalarrays/package.py b/var/spack/repos/builtin/packages/globalarrays/package.py
index bd6f92168f68edc884b8eaca8f6afd18ab728f92..a3074bccbf6c80a36169104b316235803ed666de 100644
--- a/var/spack/repos/builtin/packages/globalarrays/package.py
+++ b/var/spack/repos/builtin/packages/globalarrays/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/globus-toolkit/package.py b/var/spack/repos/builtin/packages/globus-toolkit/package.py
index ce3ad3a299304abb2f276279c817d8aa29077d89..537bcb3a3b447c91cb9c1f034b4327f31f13dfbd 100644
--- a/var/spack/repos/builtin/packages/globus-toolkit/package.py
+++ b/var/spack/repos/builtin/packages/globus-toolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glog/package.py b/var/spack/repos/builtin/packages/glog/package.py
index 3f65de6727e98b888f83d4c4c0f552ee9568646d..78c59c3b1424160a42ef538df189a4a252cabd61 100644
--- a/var/spack/repos/builtin/packages/glog/package.py
+++ b/var/spack/repos/builtin/packages/glog/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gloo/package.py b/var/spack/repos/builtin/packages/gloo/package.py
index 66961d5656c4e82c3df231bdd097b7b5e2995e3b..3fdfa1c295790a95cd322a61ca9a866d73465f22 100644
--- a/var/spack/repos/builtin/packages/gloo/package.py
+++ b/var/spack/repos/builtin/packages/gloo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glpk/package.py b/var/spack/repos/builtin/packages/glpk/package.py
index f449edd9a6339aa0654d2620af9114d5eb930e88..eab6df6d1fa9f6d1e405b71bb7da005a2482c50b 100644
--- a/var/spack/repos/builtin/packages/glpk/package.py
+++ b/var/spack/repos/builtin/packages/glpk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glproto/package.py b/var/spack/repos/builtin/packages/glproto/package.py
index 1a585bf49ed0e057a61045b9ea585aad5007333b..78dc23b645e9305422ecd19f266717954db6c923 100644
--- a/var/spack/repos/builtin/packages/glproto/package.py
+++ b/var/spack/repos/builtin/packages/glproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/glvis/package.py b/var/spack/repos/builtin/packages/glvis/package.py
index 333065643948242e201d8341333d05983d91a98f..dca29403eae8e0c8a8d12d5fbe28b7f65afda976 100644
--- a/var/spack/repos/builtin/packages/glvis/package.py
+++ b/var/spack/repos/builtin/packages/glvis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gmake/package.py b/var/spack/repos/builtin/packages/gmake/package.py
index d0133ea33f2dceab728834f106bd062223408dd2..c40b4765680a665751bfad06061fcb91777f2034 100644
--- a/var/spack/repos/builtin/packages/gmake/package.py
+++ b/var/spack/repos/builtin/packages/gmake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gmap-gsnap/package.py b/var/spack/repos/builtin/packages/gmap-gsnap/package.py
index e9d6ab2841515562f12d7d93c5fcd22c6ce93dc9..bfa53525f24211011971d1eda8b355940acb20e1 100644
--- a/var/spack/repos/builtin/packages/gmap-gsnap/package.py
+++ b/var/spack/repos/builtin/packages/gmap-gsnap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gmime/package.py b/var/spack/repos/builtin/packages/gmime/package.py
index 1df5b22939c8eb25c3d10cef8d5ca57bea8b0a9d..888732ee48a9603ef9b80430ee7343e06e251e91 100644
--- a/var/spack/repos/builtin/packages/gmime/package.py
+++ b/var/spack/repos/builtin/packages/gmime/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gmodel/package.py b/var/spack/repos/builtin/packages/gmodel/package.py
index 62b22811b5d2eeed11978c96e0d15d21e2430e98..65ab123158e2be749efa64383d82322e2afa67f8 100644
--- a/var/spack/repos/builtin/packages/gmodel/package.py
+++ b/var/spack/repos/builtin/packages/gmodel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gmp/package.py b/var/spack/repos/builtin/packages/gmp/package.py
index 19bc4f8bbbe4d7b542ac415fd3788ebf6f107767..c49be8f485bbb5b96408ba27c824a1cd3827dba5 100644
--- a/var/spack/repos/builtin/packages/gmp/package.py
+++ b/var/spack/repos/builtin/packages/gmp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gmsh/package.py b/var/spack/repos/builtin/packages/gmsh/package.py
index cb4bed7ef088b3d3749d1554c82e0290ae48bec8..c56c2d415afa3077c8d598c821171d95db9993d2 100644
--- a/var/spack/repos/builtin/packages/gmsh/package.py
+++ b/var/spack/repos/builtin/packages/gmsh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gnat/package.py b/var/spack/repos/builtin/packages/gnat/package.py
index c02c4755864f2f69cf913ca936df720af409eea5..1c3ef8d5d2ecd45e965099d0b652f213cd2a3600 100644
--- a/var/spack/repos/builtin/packages/gnat/package.py
+++ b/var/spack/repos/builtin/packages/gnat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gnu-prolog/package.py b/var/spack/repos/builtin/packages/gnu-prolog/package.py
index fa6d3b9d8ed90c38c6c3a80cd5f926f1054d1ea8..b96e026e87d022499e3ed450d240e57cb2843c43 100644
--- a/var/spack/repos/builtin/packages/gnu-prolog/package.py
+++ b/var/spack/repos/builtin/packages/gnu-prolog/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gnupg/package.py b/var/spack/repos/builtin/packages/gnupg/package.py
index 4079351b91870c79e39a6f7cc3a94fbab211059f..d1d3efd014b66ef2ffb7a84e9531a11417729278 100644
--- a/var/spack/repos/builtin/packages/gnupg/package.py
+++ b/var/spack/repos/builtin/packages/gnupg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gnuplot/package.py b/var/spack/repos/builtin/packages/gnuplot/package.py
index e71bef0758640c07f97d2f325935b09729f2b7bc..39654df830ec6723bbc08b257587bc910543fccf 100644
--- a/var/spack/repos/builtin/packages/gnuplot/package.py
+++ b/var/spack/repos/builtin/packages/gnuplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/gnutls/package.py b/var/spack/repos/builtin/packages/gnutls/package.py
index 247d2d485ed6bc5c7cfca7d856be6a80324e8c71..9f81cfda9a850724181311f41d3fc66bab8d72a7 100644
--- a/var/spack/repos/builtin/packages/gnutls/package.py
+++ b/var/spack/repos/builtin/packages/gnutls/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/go-bootstrap/package.py b/var/spack/repos/builtin/packages/go-bootstrap/package.py
index 730f423d557dbd9641f048fb086818e4409597b4..b1f94fc5946867fac6c2a403885ffeed5d3c940f 100644
--- a/var/spack/repos/builtin/packages/go-bootstrap/package.py
+++ b/var/spack/repos/builtin/packages/go-bootstrap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 # THIS PACKAGE SHOULD NOT EXIST
diff --git a/var/spack/repos/builtin/packages/go/package.py b/var/spack/repos/builtin/packages/go/package.py
index d71d1fc5aa6efeae7c01beb6f71ea6eefbb59293..5fcdc57a5d229b4d8aebc4f851735a9d377be849 100644
--- a/var/spack/repos/builtin/packages/go/package.py
+++ b/var/spack/repos/builtin/packages/go/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import llnl.util.tty as tty
 from spack import *
diff --git a/var/spack/repos/builtin/packages/gobject-introspection/package.py b/var/spack/repos/builtin/packages/gobject-introspection/package.py
index 436949290c7ad4a5b8b30c461485dc792af73308..7466458cd720cdddf0d8ed37da5f94cccdb2749a 100644
--- a/var/spack/repos/builtin/packages/gobject-introspection/package.py
+++ b/var/spack/repos/builtin/packages/gobject-introspection/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.paths import spack_root
 
diff --git a/var/spack/repos/builtin/packages/googletest/package.py b/var/spack/repos/builtin/packages/googletest/package.py
index 67edb2dc2e9bdbe0a7fce31d19094c42627bc5bb..95bdff7473627ba5243e00040d95420d94d49289 100644
--- a/var/spack/repos/builtin/packages/googletest/package.py
+++ b/var/spack/repos/builtin/packages/googletest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gotcha/package.py b/var/spack/repos/builtin/packages/gotcha/package.py
index 419d276653625e4a463252ae324ac0d7649fa1d6..e1677a471112fdc027ca17ae767a15136dcd713f 100644
--- a/var/spack/repos/builtin/packages/gotcha/package.py
+++ b/var/spack/repos/builtin/packages/gotcha/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gource/package.py b/var/spack/repos/builtin/packages/gource/package.py
index 44267c1805e80cfd77081fa2ef941369e96db637..3d9fe00c809fd7ffdea3fba4ee0c619cc518873f 100644
--- a/var/spack/repos/builtin/packages/gource/package.py
+++ b/var/spack/repos/builtin/packages/gource/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gperf/package.py b/var/spack/repos/builtin/packages/gperf/package.py
index 3565ab362911f4a7376e5ccbadd150dfec7e3eaf..d3c5863c6b8960546ba969dd59c664e094e1b336 100644
--- a/var/spack/repos/builtin/packages/gperf/package.py
+++ b/var/spack/repos/builtin/packages/gperf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gperftools/package.py b/var/spack/repos/builtin/packages/gperftools/package.py
index a60c86cfec49a44911aaaf25543d8b174e203251..df26272a712b8ab48e64bc264643c47a034f3943 100644
--- a/var/spack/repos/builtin/packages/gperftools/package.py
+++ b/var/spack/repos/builtin/packages/gperftools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gplates/package.py b/var/spack/repos/builtin/packages/gplates/package.py
index a0a1036153c0cfed929946e2002ad5730b5680f7..6d54c80822e00ac22854469cd9f56d620e7a2023 100644
--- a/var/spack/repos/builtin/packages/gplates/package.py
+++ b/var/spack/repos/builtin/packages/gplates/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/grackle/package.py b/var/spack/repos/builtin/packages/grackle/package.py
index 0df3f3bf81a89292c278d98c65ab7f8324aa7040..6163f72bbc2e9a88a5ede707a7f0818bc3311bb1 100644
--- a/var/spack/repos/builtin/packages/grackle/package.py
+++ b/var/spack/repos/builtin/packages/grackle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os.path
 import inspect
 
diff --git a/var/spack/repos/builtin/packages/gradle/package.py b/var/spack/repos/builtin/packages/gradle/package.py
index f7ad851e9f3367afdafe624069a3b41ad0649f6b..54f288e500b7aac661c1723287dbafb4706c0873 100644
--- a/var/spack/repos/builtin/packages/gradle/package.py
+++ b/var/spack/repos/builtin/packages/gradle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/grandr/package.py b/var/spack/repos/builtin/packages/grandr/package.py
index da42ad807d697ad962f16e2eb575b496c2663568..233b97b9b96d39079bc9af169781ab9972d07a6a 100644
--- a/var/spack/repos/builtin/packages/grandr/package.py
+++ b/var/spack/repos/builtin/packages/grandr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/graph500/package.py b/var/spack/repos/builtin/packages/graph500/package.py
index 652138d6c20e6c42719719c3f4a48a4f702b5864..c689cba2ad34c5d217f91a126dd7ff3b8471c33c 100644
--- a/var/spack/repos/builtin/packages/graph500/package.py
+++ b/var/spack/repos/builtin/packages/graph500/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/graphicsmagick/package.py b/var/spack/repos/builtin/packages/graphicsmagick/package.py
index 5240153df42f190b3f6af407489ae2b465be6e6e..295ba9034b51504a5f4bf323603bdb74ea1bd6cd 100644
--- a/var/spack/repos/builtin/packages/graphicsmagick/package.py
+++ b/var/spack/repos/builtin/packages/graphicsmagick/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/graphlib/package.py b/var/spack/repos/builtin/packages/graphlib/package.py
index e2ba37d9f2873808bdec488e943b3670160056cd..d5b50acfe162cb359e812b976490af23c94c19a1 100644
--- a/var/spack/repos/builtin/packages/graphlib/package.py
+++ b/var/spack/repos/builtin/packages/graphlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/graphmap/package.py b/var/spack/repos/builtin/packages/graphmap/package.py
index 21a461e6630b3ddfc258a302974d3fe922f8ff94..25af904306e4c5a43cdc428020468e8d7398a07d 100644
--- a/var/spack/repos/builtin/packages/graphmap/package.py
+++ b/var/spack/repos/builtin/packages/graphmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/graphviz/package.py b/var/spack/repos/builtin/packages/graphviz/package.py
index 5ff3aabc7726c84c762f5d11dbe95b680994b0e5..efb32328fa9db256b43b310be67014827ff17f15 100644
--- a/var/spack/repos/builtin/packages/graphviz/package.py
+++ b/var/spack/repos/builtin/packages/graphviz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import sys
diff --git a/var/spack/repos/builtin/packages/grass/package.py b/var/spack/repos/builtin/packages/grass/package.py
index d2b952ff01d075cd1a28276493ea15ac17defa8c..a703c09327d0b501b3b8be6c05936865ae46f4fb 100644
--- a/var/spack/repos/builtin/packages/grass/package.py
+++ b/var/spack/repos/builtin/packages/grass/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/grib-api/package.py b/var/spack/repos/builtin/packages/grib-api/package.py
index f38bdeb0573996a097598591adcf1d2d1bdf8e13..dd782a97d1a3881fbce99a262774a3f46239da46 100644
--- a/var/spack/repos/builtin/packages/grib-api/package.py
+++ b/var/spack/repos/builtin/packages/grib-api/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/grnboost/package.py b/var/spack/repos/builtin/packages/grnboost/package.py
index b1aedc05baf780e7b8a71a54a2326df970445f03..e2e8fcaae083b68b144ea37f0954416766247f51 100644
--- a/var/spack/repos/builtin/packages/grnboost/package.py
+++ b/var/spack/repos/builtin/packages/grnboost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/groff/package.py b/var/spack/repos/builtin/packages/groff/package.py
index 365be697e4c6b80ffb761a7e4f02b3c0aeb91af9..d8854c71c6da9785ea9e79fca34b60a4a0d634a0 100644
--- a/var/spack/repos/builtin/packages/groff/package.py
+++ b/var/spack/repos/builtin/packages/groff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gromacs/package.py b/var/spack/repos/builtin/packages/gromacs/package.py
index b934b5bb47e8c659bdbc5097feea0b23b24b461a..f51aa9d7d758889f4f59e7db9a540274b2271da1 100644
--- a/var/spack/repos/builtin/packages/gromacs/package.py
+++ b/var/spack/repos/builtin/packages/gromacs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gsl/package.py b/var/spack/repos/builtin/packages/gsl/package.py
index 0eb95c45769da52efd9c1f9b87540c0d7572a2d0..691c02b7e9fb4878ea59edd71e04342e32aa7c5d 100644
--- a/var/spack/repos/builtin/packages/gsl/package.py
+++ b/var/spack/repos/builtin/packages/gsl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/gslib/package.py b/var/spack/repos/builtin/packages/gslib/package.py
index aca4d55256295d94ed8f13b4ff0ef05a4ab14a9a..f11ed17a5646438f96fde6e91a4ea8de2669e985 100644
--- a/var/spack/repos/builtin/packages/gslib/package.py
+++ b/var/spack/repos/builtin/packages/gslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gtkmm/package.py b/var/spack/repos/builtin/packages/gtkmm/package.py
index 6d06bd14a126449e587d5c3484c4e78416a8cf60..911d1e7ebf7130c94758d7120fe5b7e40a8c042d 100644
--- a/var/spack/repos/builtin/packages/gtkmm/package.py
+++ b/var/spack/repos/builtin/packages/gtkmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gtkorvo-atl/package.py b/var/spack/repos/builtin/packages/gtkorvo-atl/package.py
index 7dcac0ccf945130f6b13030e0e6a1672dbfa0bf6..1dad459cb3cc368311faa271106a6669cdcfe6ca 100644
--- a/var/spack/repos/builtin/packages/gtkorvo-atl/package.py
+++ b/var/spack/repos/builtin/packages/gtkorvo-atl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gtkorvo-cercs-env/package.py b/var/spack/repos/builtin/packages/gtkorvo-cercs-env/package.py
index e6a741bb4f2a0123d7d32531e59cc8941c970fbe..a042dd154b509207fdda8425fe808e41d255e378 100644
--- a/var/spack/repos/builtin/packages/gtkorvo-cercs-env/package.py
+++ b/var/spack/repos/builtin/packages/gtkorvo-cercs-env/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gtkorvo-dill/package.py b/var/spack/repos/builtin/packages/gtkorvo-dill/package.py
index a39c88ba25c043343dd052ac349ba9c27a7a602d..6af9ebc9abcb49f4e4ac074c796151d734e256a1 100644
--- a/var/spack/repos/builtin/packages/gtkorvo-dill/package.py
+++ b/var/spack/repos/builtin/packages/gtkorvo-dill/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gtkorvo-enet/package.py b/var/spack/repos/builtin/packages/gtkorvo-enet/package.py
index bf9a7c6c505c990c6fa368b365cb2856034bbf11..5c9148d471358e387f335594d0979523d76982e2 100644
--- a/var/spack/repos/builtin/packages/gtkorvo-enet/package.py
+++ b/var/spack/repos/builtin/packages/gtkorvo-enet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gtkplus/package.py b/var/spack/repos/builtin/packages/gtkplus/package.py
index 844a2e17496c6efe76ad0e827c4f02dc054d98ee..d7ce1c57d662b27e37932d7c2b6dee5fb1912624 100644
--- a/var/spack/repos/builtin/packages/gtkplus/package.py
+++ b/var/spack/repos/builtin/packages/gtkplus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gts/package.py b/var/spack/repos/builtin/packages/gts/package.py
index ce9f3d15fe7ad42d1ee8e327c22196d1b11eb1db..d19c539f7eb4f257686099de62eb26f05fc5b6b3 100644
--- a/var/spack/repos/builtin/packages/gts/package.py
+++ b/var/spack/repos/builtin/packages/gts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/guidance/package.py b/var/spack/repos/builtin/packages/guidance/package.py
index 3059c871ee1befaed20a43b9fc39071076b63972..4246b2b49e82a5a3513d9c1f771b98dea7ea4987 100644
--- a/var/spack/repos/builtin/packages/guidance/package.py
+++ b/var/spack/repos/builtin/packages/guidance/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/guile/package.py b/var/spack/repos/builtin/packages/guile/package.py
index 69fe8f1bf4cb820dfbc6e68f5bf389cad1985126..6c02e3f1aaefd9d31de7f4d6ec484a1d6bde293e 100644
--- a/var/spack/repos/builtin/packages/guile/package.py
+++ b/var/spack/repos/builtin/packages/guile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/gurobi/package.py b/var/spack/repos/builtin/packages/gurobi/package.py
index 9720313b7ef7528a53d52b310f88c1cab4e3bc91..3c9747aef473cc7b42011979d64b7ef33ca778db 100644
--- a/var/spack/repos/builtin/packages/gurobi/package.py
+++ b/var/spack/repos/builtin/packages/gurobi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/h5hut/package.py b/var/spack/repos/builtin/packages/h5hut/package.py
index c476a6535a632df8180973c94e9482425f2e0846..9b34183bff09c7c1a15c663fc2b6b52ec1e096a0 100644
--- a/var/spack/repos/builtin/packages/h5hut/package.py
+++ b/var/spack/repos/builtin/packages/h5hut/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/h5part/package.py b/var/spack/repos/builtin/packages/h5part/package.py
index f105a26831d8cd0e75a40fb208abfbccfb921bc1..957e9dcf896b02a2c1eeebd11900a45cb4bf1ef9 100644
--- a/var/spack/repos/builtin/packages/h5part/package.py
+++ b/var/spack/repos/builtin/packages/h5part/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/h5utils/package.py b/var/spack/repos/builtin/packages/h5utils/package.py
index 5aff73e267bbe54e9618492440ff4a1afb5a44f8..946a494cbbf19d5495ac0b0cb49356f04d9963e8 100644
--- a/var/spack/repos/builtin/packages/h5utils/package.py
+++ b/var/spack/repos/builtin/packages/h5utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/h5z-zfp/package.py b/var/spack/repos/builtin/packages/h5z-zfp/package.py
index 07c200e523e7901cf5e80c91f7dc34b45fcbfb6f..943c874e4bd044abb7c00626f7d835b8138ec23f 100644
--- a/var/spack/repos/builtin/packages/h5z-zfp/package.py
+++ b/var/spack/repos/builtin/packages/h5z-zfp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hacckernels/package.py b/var/spack/repos/builtin/packages/hacckernels/package.py
index a8d60c4e37c7ee2bf51a2fb3208da2adb8f7b814..d93dc42e7d472c9fce20a01d88c38e64db40fff4 100644
--- a/var/spack/repos/builtin/packages/hacckernels/package.py
+++ b/var/spack/repos/builtin/packages/hacckernels/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hadoop/package.py b/var/spack/repos/builtin/packages/hadoop/package.py
index 59dbded641e5307cbb8ff8f5bc6dc0d328695839..e581deb86897f766fba68dc3e167e618ee4e774a 100644
--- a/var/spack/repos/builtin/packages/hadoop/package.py
+++ b/var/spack/repos/builtin/packages/hadoop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/halc/package.py b/var/spack/repos/builtin/packages/halc/package.py
index 2e9b50779afd8e63ac6e3cb640ac3ae65e886d93..7d2e76be7506cf3f349609d7469481e5c475ee11 100644
--- a/var/spack/repos/builtin/packages/halc/package.py
+++ b/var/spack/repos/builtin/packages/halc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hapcut2/package.py b/var/spack/repos/builtin/packages/hapcut2/package.py
index 35580bfe15adce2c65818eefe28936ee5305dcaa..60596b418508f77756fc1a461446c09beba326ac 100644
--- a/var/spack/repos/builtin/packages/hapcut2/package.py
+++ b/var/spack/repos/builtin/packages/hapcut2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hapdip/package.py b/var/spack/repos/builtin/packages/hapdip/package.py
index 15a561582238c58e3c42236b3d0c8e5b2a96981f..92673b2b342fd5603fd41e40d9895cee9cb31c63 100644
--- a/var/spack/repos/builtin/packages/hapdip/package.py
+++ b/var/spack/repos/builtin/packages/hapdip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/haploview/package.py b/var/spack/repos/builtin/packages/haploview/package.py
index faa0c8976a10206cc930f74a506dc25cb0556854..dd6acefad7d21fe02ca0f08d82ba645f3658cc82 100644
--- a/var/spack/repos/builtin/packages/haploview/package.py
+++ b/var/spack/repos/builtin/packages/haploview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/harfbuzz/package.py b/var/spack/repos/builtin/packages/harfbuzz/package.py
index 3624bc57b282f8e85cd21002358d95a0e23fffd0..5a6ded2e7701d7e5e28b71c2549854ff116576e6 100644
--- a/var/spack/repos/builtin/packages/harfbuzz/package.py
+++ b/var/spack/repos/builtin/packages/harfbuzz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/harminv/package.py b/var/spack/repos/builtin/packages/harminv/package.py
index ef38a4d9b88957a4c3db64ac092000a5db530576..f3aaf33bdd4a7af33768517ca3971ccd8d877632 100644
--- a/var/spack/repos/builtin/packages/harminv/package.py
+++ b/var/spack/repos/builtin/packages/harminv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hdf/package.py b/var/spack/repos/builtin/packages/hdf/package.py
index 41d327deed428bc7ae24da038c2fd09f68b67664..3f5be4b95ffefa629347d2de2ebd0cf852e4415a 100644
--- a/var/spack/repos/builtin/packages/hdf/package.py
+++ b/var/spack/repos/builtin/packages/hdf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hdf5-blosc/package.py b/var/spack/repos/builtin/packages/hdf5-blosc/package.py
index 0e0d6dd3521d1e0f00c87b5bda6c25be5a4e09f3..c79ed76c1bfabf6480e606fdd6f4eb5c9d583fb8 100644
--- a/var/spack/repos/builtin/packages/hdf5-blosc/package.py
+++ b/var/spack/repos/builtin/packages/hdf5-blosc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import shutil
 import sys
diff --git a/var/spack/repos/builtin/packages/hdf5/package.py b/var/spack/repos/builtin/packages/hdf5/package.py
index ce747eee86a9ba72dae06ab7579ad4c771266bba..4f2b9e24d1319af09fcb4f5c186345ee3db5cb77 100644
--- a/var/spack/repos/builtin/packages/hdf5/package.py
+++ b/var/spack/repos/builtin/packages/hdf5/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import shutil
 import sys
 
diff --git a/var/spack/repos/builtin/packages/help2man/package.py b/var/spack/repos/builtin/packages/help2man/package.py
index 977f0394ee46cb47f5ea2f4c3bb44f7308aaca0e..39ad9037f00edd275eea739690e7d471f819e919 100644
--- a/var/spack/repos/builtin/packages/help2man/package.py
+++ b/var/spack/repos/builtin/packages/help2man/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hepmc/package.py b/var/spack/repos/builtin/packages/hepmc/package.py
index 7b06eb81b5a103b346893d5e1d2090acf0a64864..16b4c707f56102704554b95af2df730917164174 100644
--- a/var/spack/repos/builtin/packages/hepmc/package.py
+++ b/var/spack/repos/builtin/packages/hepmc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/heppdt/package.py b/var/spack/repos/builtin/packages/heppdt/package.py
index fdeaaa8997886c80c332f41a0c2203821cceccb8..5933317c501107226343b2a4147b3de8431706fe 100644
--- a/var/spack/repos/builtin/packages/heppdt/package.py
+++ b/var/spack/repos/builtin/packages/heppdt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/hic-pro/package.py b/var/spack/repos/builtin/packages/hic-pro/package.py
index e96243912d6791098547b6ffb0968c58e1bf351c..6cb89d8839e371916bd6c5707b4db4f136cea19d 100644
--- a/var/spack/repos/builtin/packages/hic-pro/package.py
+++ b/var/spack/repos/builtin/packages/hic-pro/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/highfive/package.py b/var/spack/repos/builtin/packages/highfive/package.py
index adef78cab750843532f9270cbd7d5e2e67165b5e..cbd57f98fc0fd42a3d340808eccb38fab4d9c2d9 100644
--- a/var/spack/repos/builtin/packages/highfive/package.py
+++ b/var/spack/repos/builtin/packages/highfive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/highwayhash/package.py b/var/spack/repos/builtin/packages/highwayhash/package.py
index 7ab78df158d309315562cf68ff9c3b2eca49ea61..240faadf132ff458dd22fdae0d425dba87a69073 100644
--- a/var/spack/repos/builtin/packages/highwayhash/package.py
+++ b/var/spack/repos/builtin/packages/highwayhash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 import os
diff --git a/var/spack/repos/builtin/packages/hiop/package.py b/var/spack/repos/builtin/packages/hiop/package.py
index 3cb55747fce7f1c071fb9c05fd2784dbfb652025..cc2b07a822983b60c863b23b329a9ce80de5f11b 100644
--- a/var/spack/repos/builtin/packages/hiop/package.py
+++ b/var/spack/repos/builtin/packages/hiop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hisat2/package.py b/var/spack/repos/builtin/packages/hisat2/package.py
index ea123a6b85dd29d26d27d29a6981a56fe79ab001..34fbf6e910165a26e0b7215586d51a24194d4f2f 100644
--- a/var/spack/repos/builtin/packages/hisat2/package.py
+++ b/var/spack/repos/builtin/packages/hisat2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os.path
diff --git a/var/spack/repos/builtin/packages/hisea/package.py b/var/spack/repos/builtin/packages/hisea/package.py
index 5910b91f8b196eae8f07b9c57dc576fda51c6ed6..f2d215242b8549a7666e5ef40717e20e5f85fb1e 100644
--- a/var/spack/repos/builtin/packages/hisea/package.py
+++ b/var/spack/repos/builtin/packages/hisea/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hmmer/package.py b/var/spack/repos/builtin/packages/hmmer/package.py
index 1eea95c75f4427c8b2015d8e0f9a91fb82077e61..2b9b045a005fae170f114c06e70f507a586c740b 100644
--- a/var/spack/repos/builtin/packages/hmmer/package.py
+++ b/var/spack/repos/builtin/packages/hmmer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hoomd-blue/package.py b/var/spack/repos/builtin/packages/hoomd-blue/package.py
index c8808549dce48f60591ce98fd76d4a7365c60696..b00843bcc0caf21421b3ea2c7bb446240d4223f9 100644
--- a/var/spack/repos/builtin/packages/hoomd-blue/package.py
+++ b/var/spack/repos/builtin/packages/hoomd-blue/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/hpccg/package.py b/var/spack/repos/builtin/packages/hpccg/package.py
index 47cbb3cbe0a156c4b7f5baaa79bb71ccb4eeed60..1a6256fe7c78dea9527e1d10d0e8c93f0b2a0b89 100644
--- a/var/spack/repos/builtin/packages/hpccg/package.py
+++ b/var/spack/repos/builtin/packages/hpccg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hpctoolkit-externals/package.py b/var/spack/repos/builtin/packages/hpctoolkit-externals/package.py
index 6b836eb838c0cfe4eb4d87f07b07878c03408031..1c7c7c462205c82d40ec6639718b1a7bd7ace683 100644
--- a/var/spack/repos/builtin/packages/hpctoolkit-externals/package.py
+++ b/var/spack/repos/builtin/packages/hpctoolkit-externals/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hpctoolkit/package.py b/var/spack/repos/builtin/packages/hpctoolkit/package.py
index 5943b7f2d2608973c8429b6e22fd94f56d63940b..0f4d188d4fee5241a2efa7785c66903fb10220c6 100644
--- a/var/spack/repos/builtin/packages/hpctoolkit/package.py
+++ b/var/spack/repos/builtin/packages/hpctoolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hpgmg/package.py b/var/spack/repos/builtin/packages/hpgmg/package.py
index 5f6a6e37dd74ee2f7f82c1c2c584a37b14931e74..e4a533a024a007bad5b1c11fbb5b99ebf7ac112a 100644
--- a/var/spack/repos/builtin/packages/hpgmg/package.py
+++ b/var/spack/repos/builtin/packages/hpgmg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hpl/package.py b/var/spack/repos/builtin/packages/hpl/package.py
index 71b07c638df32259c05a52543b26499233702d95..94fc2d5fb93372c36fbe8316dec51098692c2a44 100644
--- a/var/spack/repos/builtin/packages/hpl/package.py
+++ b/var/spack/repos/builtin/packages/hpl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import platform
diff --git a/var/spack/repos/builtin/packages/hpx/package.py b/var/spack/repos/builtin/packages/hpx/package.py
index 2c5e0c1402a7e665daeb92bc6f40b7f388a3597b..9f4b3c61133aae16098fe70aa9b3bebc09db4112 100644
--- a/var/spack/repos/builtin/packages/hpx/package.py
+++ b/var/spack/repos/builtin/packages/hpx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/hpx5/package.py b/var/spack/repos/builtin/packages/hpx5/package.py
index 0b2270dad0b691bb3435ae9ccc0f9d4248797bca..d292f2c360cce647d4c0bf7945e8192e2581786a 100644
--- a/var/spack/repos/builtin/packages/hpx5/package.py
+++ b/var/spack/repos/builtin/packages/hpx5/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/hsakmt/package.py b/var/spack/repos/builtin/packages/hsakmt/package.py
index ea6726d4244ed0a8f3ecbf2efde0edadf1932897..d599dc13f5e8c1e981fed1ce04e851570a266aca 100644
--- a/var/spack/repos/builtin/packages/hsakmt/package.py
+++ b/var/spack/repos/builtin/packages/hsakmt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hstr/package.py b/var/spack/repos/builtin/packages/hstr/package.py
index b726e94442fc8df5850c38f9953ccf6595c98aab..e8ab7fadb663b2cefa29b999d5f684242e6f2db2 100644
--- a/var/spack/repos/builtin/packages/hstr/package.py
+++ b/var/spack/repos/builtin/packages/hstr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/htop/package.py b/var/spack/repos/builtin/packages/htop/package.py
index e9ea8ed9d1b8c8ae62dcaed8bd653500ee9b4b3f..f6ae2c04b2fafd73e7f7d29fd26b2346978948b3 100644
--- a/var/spack/repos/builtin/packages/htop/package.py
+++ b/var/spack/repos/builtin/packages/htop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/htslib/package.py b/var/spack/repos/builtin/packages/htslib/package.py
index d2318b6e0f44fd0b8350221e5cbf7bd31ca17146..c223ffc359d097fcedc5b81c54f2aa3483946f0f 100644
--- a/var/spack/repos/builtin/packages/htslib/package.py
+++ b/var/spack/repos/builtin/packages/htslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/httpie/package.py b/var/spack/repos/builtin/packages/httpie/package.py
index 9cee69fd3832d2eb1354225bb6323268a4c8ea76..8ac07a61e93577a4cce1b6ae3044ee534b907550 100644
--- a/var/spack/repos/builtin/packages/httpie/package.py
+++ b/var/spack/repos/builtin/packages/httpie/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hub/package.py b/var/spack/repos/builtin/packages/hub/package.py
index 1aa13f270d1fb0f46fd3cd4c2657e36be8039069..3595ac6c2e641b2f7f1d1a818570c08067177271 100644
--- a/var/spack/repos/builtin/packages/hub/package.py
+++ b/var/spack/repos/builtin/packages/hub/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/hunspell/package.py b/var/spack/repos/builtin/packages/hunspell/package.py
index 67450b6cbf66719bd906a6ffa644576e7e69eb3c..ed400f3a4de9e3a7826be02cef477d9514b30041 100644
--- a/var/spack/repos/builtin/packages/hunspell/package.py
+++ b/var/spack/repos/builtin/packages/hunspell/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hwloc/package.py b/var/spack/repos/builtin/packages/hwloc/package.py
index 6b3be96a2fef2cbfcee624b9e889c5e83c9dd84e..3214496a0e074d7f02009b1771c00b78e6e4058b 100644
--- a/var/spack/repos/builtin/packages/hwloc/package.py
+++ b/var/spack/repos/builtin/packages/hwloc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import sys
diff --git a/var/spack/repos/builtin/packages/hybpiper/package.py b/var/spack/repos/builtin/packages/hybpiper/package.py
index 102d9ed2899f34e3b8ec38ef8ba86b54fc14d297..fba2f13a2a7a64cb4d6d4751115079423513f95e 100644
--- a/var/spack/repos/builtin/packages/hybpiper/package.py
+++ b/var/spack/repos/builtin/packages/hybpiper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/hydra/package.py b/var/spack/repos/builtin/packages/hydra/package.py
index 58f94261c6d3ca48456fdd92cad0263fdcaacbc4..bcf4665c5dd43f61b7485edd80710d36483e5c55 100644
--- a/var/spack/repos/builtin/packages/hydra/package.py
+++ b/var/spack/repos/builtin/packages/hydra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/hydrogen/package.py b/var/spack/repos/builtin/packages/hydrogen/package.py
index cb804e427598b97d260af9071b8aa1911868da6b..ce2621f34ce840ce32aef05d2a05a5edd393b80e 100644
--- a/var/spack/repos/builtin/packages/hydrogen/package.py
+++ b/var/spack/repos/builtin/packages/hydrogen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 from spack import *
diff --git a/var/spack/repos/builtin/packages/hypre/package.py b/var/spack/repos/builtin/packages/hypre/package.py
index 1aef3a244cb4197157b3f59810350c820e625421..40ec88ce0ebbed66a90cb1a1dbc529a13b104697 100644
--- a/var/spack/repos/builtin/packages/hypre/package.py
+++ b/var/spack/repos/builtin/packages/hypre/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import sys
diff --git a/var/spack/repos/builtin/packages/i3/package.py b/var/spack/repos/builtin/packages/i3/package.py
index 44757b9e29ea55d16240b6b504fad608e5de80e6..123fdbb2127026a4d61211289311ca76c642c683 100644
--- a/var/spack/repos/builtin/packages/i3/package.py
+++ b/var/spack/repos/builtin/packages/i3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ibmisc/package.py b/var/spack/repos/builtin/packages/ibmisc/package.py
index ec8072e4614ce4a867ce752ce5a96cf3f3abe34c..6a78788ad5c4e0b6bf97a3a277451bce0c385126 100644
--- a/var/spack/repos/builtin/packages/ibmisc/package.py
+++ b/var/spack/repos/builtin/packages/ibmisc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/iceauth/package.py b/var/spack/repos/builtin/packages/iceauth/package.py
index 665f0d74d5d34369079a05111d96436e669724e3..41f8f669a6be234d91aba41aa0416a7bf28cd42f 100644
--- a/var/spack/repos/builtin/packages/iceauth/package.py
+++ b/var/spack/repos/builtin/packages/iceauth/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/icedtea/package.py b/var/spack/repos/builtin/packages/icedtea/package.py
index 366606cf44474c095a44ee739ba0ea95a2f1d88f..c8a5916c7b3dd1ea0a2f9aa828bdf9e43bdd9237 100644
--- a/var/spack/repos/builtin/packages/icedtea/package.py
+++ b/var/spack/repos/builtin/packages/icedtea/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/icet/package.py b/var/spack/repos/builtin/packages/icet/package.py
index 87e831ea2e244174b0e8db84ef2daf3462920b2e..bf1f311d0aa67462a666f904e73b5e6d808381b7 100644
--- a/var/spack/repos/builtin/packages/icet/package.py
+++ b/var/spack/repos/builtin/packages/icet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ico/package.py b/var/spack/repos/builtin/packages/ico/package.py
index 47bfce296fe2852bb2c9b70880264cefc90572bf..1d7442ddc537aad8ce959ab06483fd65c9f12220 100644
--- a/var/spack/repos/builtin/packages/ico/package.py
+++ b/var/spack/repos/builtin/packages/ico/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/icu4c/package.py b/var/spack/repos/builtin/packages/icu4c/package.py
index e6a3df465dfb04877189029f878ada8e85b71360..78d63b8c3b39147f3e240d8a5ba317cc7227014b 100644
--- a/var/spack/repos/builtin/packages/icu4c/package.py
+++ b/var/spack/repos/builtin/packages/icu4c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/id3lib/package.py b/var/spack/repos/builtin/packages/id3lib/package.py
index a9315a4df1378fb31dcf1f0b908fd7ecde6ba5d1..23bbc99aef051f393f45a77b6ad4ff208fbd9d80 100644
--- a/var/spack/repos/builtin/packages/id3lib/package.py
+++ b/var/spack/repos/builtin/packages/id3lib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/idba/package.py b/var/spack/repos/builtin/packages/idba/package.py
index 47b10bf6d8d3902d8680b21efb8339b1bdcc7575..a7b2a455f71e190bf380b49203f49c3a11d63f5a 100644
--- a/var/spack/repos/builtin/packages/idba/package.py
+++ b/var/spack/repos/builtin/packages/idba/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/igraph/package.py b/var/spack/repos/builtin/packages/igraph/package.py
index ef882742004da87e4e9e0596d453a42f34a7841a..35bcb1c87e26cdad1a322a8f8cfbde4a2690b99f 100644
--- a/var/spack/repos/builtin/packages/igraph/package.py
+++ b/var/spack/repos/builtin/packages/igraph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/igvtools/package.py b/var/spack/repos/builtin/packages/igvtools/package.py
index 410a409d632661a05bc5a07a3e1d5aa978e211b9..8e57a57fb365ed5cdfdf8d70831c2b7783821877 100644
--- a/var/spack/repos/builtin/packages/igvtools/package.py
+++ b/var/spack/repos/builtin/packages/igvtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/ilmbase/package.py b/var/spack/repos/builtin/packages/ilmbase/package.py
index 4f4a9189a2263e6246f4b2438e36e26c12d30b52..996e6bd104f77622b83d79f06350dc9d5517b1a1 100644
--- a/var/spack/repos/builtin/packages/ilmbase/package.py
+++ b/var/spack/repos/builtin/packages/ilmbase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/image-magick/package.py b/var/spack/repos/builtin/packages/image-magick/package.py
index ac3e8cb09d9b9d16b5c74b9c3dddfcc973cf5e75..354a7fd63a0ece2a59c4b8ea96a13d3d14ee77ae 100644
--- a/var/spack/repos/builtin/packages/image-magick/package.py
+++ b/var/spack/repos/builtin/packages/image-magick/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/imake/package.py b/var/spack/repos/builtin/packages/imake/package.py
index 2439828ae32df0558a10588f5e1fe8eee500d9fe..47dcefa4e9933ecb3dd33b23029b109a4335844c 100644
--- a/var/spack/repos/builtin/packages/imake/package.py
+++ b/var/spack/repos/builtin/packages/imake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/imp/package.py b/var/spack/repos/builtin/packages/imp/package.py
index 28ddc388bc5fa096e0ce0a0efc36ff0351566d1f..656e07e7e158cec3c2256cee2c3b4d91174a6bcc 100644
--- a/var/spack/repos/builtin/packages/imp/package.py
+++ b/var/spack/repos/builtin/packages/imp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/impute2/package.py b/var/spack/repos/builtin/packages/impute2/package.py
index 0563957e6a3c735ddb664fc40d7f2f389f128050..41c51a796de398c481b1a83e0c0d709d5867b10c 100644
--- a/var/spack/repos/builtin/packages/impute2/package.py
+++ b/var/spack/repos/builtin/packages/impute2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/infernal/package.py b/var/spack/repos/builtin/packages/infernal/package.py
index 6dbd7c329c349be5b4a640ec5ddc240ba9324c63..59c2d7ce61d0491a761ea5c2a8629b20a29a504c 100644
--- a/var/spack/repos/builtin/packages/infernal/package.py
+++ b/var/spack/repos/builtin/packages/infernal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/inputproto/package.py b/var/spack/repos/builtin/packages/inputproto/package.py
index 9f3d0a98cf7a9ff97720123324c52c0a37913144..31d0732aca0196e70f038975ce770488a68f69b9 100644
--- a/var/spack/repos/builtin/packages/inputproto/package.py
+++ b/var/spack/repos/builtin/packages/inputproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intel-daal/package.py b/var/spack/repos/builtin/packages/intel-daal/package.py
index 407f8a7a90a8a7ba23b0cb1970bf7dea084a5bf4..acf84f5021f549fe327944055322b93c56431b25 100644
--- a/var/spack/repos/builtin/packages/intel-daal/package.py
+++ b/var/spack/repos/builtin/packages/intel-daal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intel-gpu-tools/package.py b/var/spack/repos/builtin/packages/intel-gpu-tools/package.py
index ca40f456c1c457fef67d1995a2dde39145948fc9..24b01fb0c6b79c2d8b553b58b8773dec18e1e3b6 100644
--- a/var/spack/repos/builtin/packages/intel-gpu-tools/package.py
+++ b/var/spack/repos/builtin/packages/intel-gpu-tools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/intel-ipp/package.py b/var/spack/repos/builtin/packages/intel-ipp/package.py
index a1b9d440edcfb94cfb64980629fdf4af542a2d97..b9bc8628824b26c5e8839dd4c13559d82eaf9f1b 100644
--- a/var/spack/repos/builtin/packages/intel-ipp/package.py
+++ b/var/spack/repos/builtin/packages/intel-ipp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intel-mkl-dnn/package.py b/var/spack/repos/builtin/packages/intel-mkl-dnn/package.py
index 5ca16b7460b08a438cf28113bc12c34707d4b64c..72dafd75723b7d5ddec72acdbaf6768842d343af 100644
--- a/var/spack/repos/builtin/packages/intel-mkl-dnn/package.py
+++ b/var/spack/repos/builtin/packages/intel-mkl-dnn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intel-mkl/package.py b/var/spack/repos/builtin/packages/intel-mkl/package.py
index 764d6bacefa5cad5d457da775625ff48b47fcc8f..e11b4c8e47253e1d0a9e9181192ccea902f8435a 100644
--- a/var/spack/repos/builtin/packages/intel-mkl/package.py
+++ b/var/spack/repos/builtin/packages/intel-mkl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/intel-mpi/package.py b/var/spack/repos/builtin/packages/intel-mpi/package.py
index ff6ed1ac9e8a80b1f5c2b23d8641f37c96c432b1..c3ac5b68bea747474e255157b5b96f50c9f6dac4 100644
--- a/var/spack/repos/builtin/packages/intel-mpi/package.py
+++ b/var/spack/repos/builtin/packages/intel-mpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intel-parallel-studio/package.py b/var/spack/repos/builtin/packages/intel-parallel-studio/package.py
index 1e493d6b19e75e28bde97ac40e94803a76c35c64..666623f154db8428863a0d73a4341196d092f007 100644
--- a/var/spack/repos/builtin/packages/intel-parallel-studio/package.py
+++ b/var/spack/repos/builtin/packages/intel-parallel-studio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intel-tbb/package.py b/var/spack/repos/builtin/packages/intel-tbb/package.py
index c3a813f7820f6c75305014bc271aba1934a59264..a6a127ece2380bc436b2581e33b59c22f008556b 100644
--- a/var/spack/repos/builtin/packages/intel-tbb/package.py
+++ b/var/spack/repos/builtin/packages/intel-tbb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import inspect
diff --git a/var/spack/repos/builtin/packages/intel-xed/package.py b/var/spack/repos/builtin/packages/intel-xed/package.py
index 3fe66b9f6f0253f2d0819bc7394839f0fa7d69ce..3469a531fd96a881d27c6486943c3e619aab9e35 100644
--- a/var/spack/repos/builtin/packages/intel-xed/package.py
+++ b/var/spack/repos/builtin/packages/intel-xed/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/intel/package.py b/var/spack/repos/builtin/packages/intel/package.py
index edb4526462b6cdbe86a2c18dfe8059475a6fc819..69db3e21a63d38b0dc0fdff36d84d31735967a6b 100644
--- a/var/spack/repos/builtin/packages/intel/package.py
+++ b/var/spack/repos/builtin/packages/intel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/intltool/package.py b/var/spack/repos/builtin/packages/intltool/package.py
index 963843ca5e7e924c447b7526e739cf6573e4cf57..dea21ab25a117dc705e1c3ccf8afe838013b2c24 100644
--- a/var/spack/repos/builtin/packages/intltool/package.py
+++ b/var/spack/repos/builtin/packages/intltool/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ior/package.py b/var/spack/repos/builtin/packages/ior/package.py
index b909d43471a9ae4c8894b5556338b47f7ec21de4..eee53a9911028d26efe0ad3f7606f354fb4332f0 100644
--- a/var/spack/repos/builtin/packages/ior/package.py
+++ b/var/spack/repos/builtin/packages/ior/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/iozone/package.py b/var/spack/repos/builtin/packages/iozone/package.py
index 5a6727aec366018ef2f64b8cde4f88ae343c4be9..09124c21969c8328289b9990954a021700f54e29 100644
--- a/var/spack/repos/builtin/packages/iozone/package.py
+++ b/var/spack/repos/builtin/packages/iozone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/iperf2/package.py b/var/spack/repos/builtin/packages/iperf2/package.py
index a4bd33765d1f459510343283c72a1f8a19af3c02..3e9498ddf107c57548b5b5bdb59dbb7fc0ed0efa 100644
--- a/var/spack/repos/builtin/packages/iperf2/package.py
+++ b/var/spack/repos/builtin/packages/iperf2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/iperf3/package.py b/var/spack/repos/builtin/packages/iperf3/package.py
index d2715c05f382af000b73265d649ab6aa06e4acef..16cf48f157430f5877db6b30cced0ea60e310108 100644
--- a/var/spack/repos/builtin/packages/iperf3/package.py
+++ b/var/spack/repos/builtin/packages/iperf3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ipopt/package.py b/var/spack/repos/builtin/packages/ipopt/package.py
index 200992e82ae02fb0975e2edbd4bc7d38173eaf1e..64930c5ca74edded5cecee5ce022a79fc8f692f2 100644
--- a/var/spack/repos/builtin/packages/ipopt/package.py
+++ b/var/spack/repos/builtin/packages/ipopt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/isaac-server/package.py b/var/spack/repos/builtin/packages/isaac-server/package.py
index 59e8b8734a19683978b7237cae130e68e88b2491..f8451ad4438fe7c5535adb1853c879a8a4b1acae 100644
--- a/var/spack/repos/builtin/packages/isaac-server/package.py
+++ b/var/spack/repos/builtin/packages/isaac-server/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/isaac/package.py b/var/spack/repos/builtin/packages/isaac/package.py
index 4c853e67cf44543f710311df416625401c088442..c8f3793fc63341e4365ac88f7702133db0b7be69 100644
--- a/var/spack/repos/builtin/packages/isaac/package.py
+++ b/var/spack/repos/builtin/packages/isaac/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/isl/package.py b/var/spack/repos/builtin/packages/isl/package.py
index 5ea988182062a7f759ca39e0dc838c4369b60289..3efe4ad0519162bb7bb56389bdd9133973bcb015 100644
--- a/var/spack/repos/builtin/packages/isl/package.py
+++ b/var/spack/repos/builtin/packages/isl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/itstool/package.py b/var/spack/repos/builtin/packages/itstool/package.py
index b46d24e953b15e79d06aa4602337e7783d145a44..b0858df2b98f944bb119a8725e0e8fc363b6daf7 100644
--- a/var/spack/repos/builtin/packages/itstool/package.py
+++ b/var/spack/repos/builtin/packages/itstool/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/itsx/package.py b/var/spack/repos/builtin/packages/itsx/package.py
index c1a54db3b645a74a25b0339b801874e04dec0c62..6d4414db124f6c0e5086ebad54514623255b46cc 100644
--- a/var/spack/repos/builtin/packages/itsx/package.py
+++ b/var/spack/repos/builtin/packages/itsx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jackcess/package.py b/var/spack/repos/builtin/packages/jackcess/package.py
index 62b7279c11a4c5ca5f732c02901aa75eb61ba848..d55357bccfe43720c164df2146f25b6eeecf7b79 100644
--- a/var/spack/repos/builtin/packages/jackcess/package.py
+++ b/var/spack/repos/builtin/packages/jackcess/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jags/package.py b/var/spack/repos/builtin/packages/jags/package.py
index 1c73025463e2dabfbb9d9072a4859d382bacf162..0916d85f7228d50f8791cd0c68b6656a5318e795 100644
--- a/var/spack/repos/builtin/packages/jags/package.py
+++ b/var/spack/repos/builtin/packages/jags/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jansson/package.py b/var/spack/repos/builtin/packages/jansson/package.py
index e9052f83aaadbb978d8d0f05ee498881646c436c..c929eaa865da2863b394cd273d6169ea25635d30 100644
--- a/var/spack/repos/builtin/packages/jansson/package.py
+++ b/var/spack/repos/builtin/packages/jansson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jasper/package.py b/var/spack/repos/builtin/packages/jasper/package.py
index 3e4bbeb8a5f5c0d3f27b63e520dc63b507c39865..6b0fc9c86676c625edcb77e93a9a789c008af4ec 100644
--- a/var/spack/repos/builtin/packages/jasper/package.py
+++ b/var/spack/repos/builtin/packages/jasper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jbigkit/package.py b/var/spack/repos/builtin/packages/jbigkit/package.py
index 8c3e792507f284ebff9fd5d5d518e4599e085c70..66dd1b202c6bbc93cefbc40bb1bcd5ed1aeeaa25 100644
--- a/var/spack/repos/builtin/packages/jbigkit/package.py
+++ b/var/spack/repos/builtin/packages/jbigkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jchronoss/package.py b/var/spack/repos/builtin/packages/jchronoss/package.py
index 1039ed25f64fa6e56cc477caa7845778289fd7a8..dc8763b064c83f2d4b10b5325bbfb4716c0533ad 100644
--- a/var/spack/repos/builtin/packages/jchronoss/package.py
+++ b/var/spack/repos/builtin/packages/jchronoss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/jdk/package.py b/var/spack/repos/builtin/packages/jdk/package.py
index 95e4ce169ce3d8c204be78d50539b05d72155978..35bd0f7cdc9a58c4e4663e9b50f4da6ee9d6ec0c 100644
--- a/var/spack/repos/builtin/packages/jdk/package.py
+++ b/var/spack/repos/builtin/packages/jdk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack.util.prefix import Prefix
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/jellyfish/package.py b/var/spack/repos/builtin/packages/jellyfish/package.py
index e3c31566c1331c93714993deb9602b022ecdb976..a90438d6334f37fd722d7c819362f37e4bb2a7f6 100644
--- a/var/spack/repos/builtin/packages/jellyfish/package.py
+++ b/var/spack/repos/builtin/packages/jellyfish/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jemalloc/package.py b/var/spack/repos/builtin/packages/jemalloc/package.py
index 5d984e06f5a405ed4602075426010e5c78706c60..25d75d55410c1f01500344955e3a49c453128f4c 100644
--- a/var/spack/repos/builtin/packages/jemalloc/package.py
+++ b/var/spack/repos/builtin/packages/jemalloc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jmol/package.py b/var/spack/repos/builtin/packages/jmol/package.py
index cd9cbf1c837dd650c480d1d4a280531d9b787584..3ea84eb7bc77ee4e6b9e1dcb6f4b5148f3398ecf 100644
--- a/var/spack/repos/builtin/packages/jmol/package.py
+++ b/var/spack/repos/builtin/packages/jmol/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jq/package.py b/var/spack/repos/builtin/packages/jq/package.py
index be5a31d19da3ccee31341ad4fa441b4a20dccabd..87db91d292e59e26904d81f35ccfeaab27ba3848 100644
--- a/var/spack/repos/builtin/packages/jq/package.py
+++ b/var/spack/repos/builtin/packages/jq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/json-c/package.py b/var/spack/repos/builtin/packages/json-c/package.py
index ad9b6b6f19f8bd5e51d5859c4cf7eadde939d5ab..420fe695e22a4851fbff32010fbf008136f65925 100644
--- a/var/spack/repos/builtin/packages/json-c/package.py
+++ b/var/spack/repos/builtin/packages/json-c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/json-cwx/package.py b/var/spack/repos/builtin/packages/json-cwx/package.py
index 3eefca9b71b6cfb723673598c825874607b1b896..2f3d928bbf1f1acdaf00496c7941a8eff0155fd5 100644
--- a/var/spack/repos/builtin/packages/json-cwx/package.py
+++ b/var/spack/repos/builtin/packages/json-cwx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/json-glib/package.py b/var/spack/repos/builtin/packages/json-glib/package.py
index 243f77cb1913a82a3185a92c9bde0b7705513862..f69aa247fc8c246e5cec8f5fd4aeab1ad1a72730 100644
--- a/var/spack/repos/builtin/packages/json-glib/package.py
+++ b/var/spack/repos/builtin/packages/json-glib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/jsoncpp/package.py b/var/spack/repos/builtin/packages/jsoncpp/package.py
index 3f0fccf47e203bbdeb548620b1e071639e46e8f4..f8bf532e537b3ac4344559abc90648f270834409 100644
--- a/var/spack/repos/builtin/packages/jsoncpp/package.py
+++ b/var/spack/repos/builtin/packages/jsoncpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/judy/package.py b/var/spack/repos/builtin/packages/judy/package.py
index 1fb81c0ad7a491d8e40cd7000c98fe3094aafc87..7b17e2e1638380bc02b7af5240d24b3c55168cbb 100644
--- a/var/spack/repos/builtin/packages/judy/package.py
+++ b/var/spack/repos/builtin/packages/judy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/julia/package.py b/var/spack/repos/builtin/packages/julia/package.py
index 0d4f5e883cc6af220411882ba0138112c6326d0d..c9e3a23cb2a20a5857fe0fc542ab097c6aabedd9 100644
--- a/var/spack/repos/builtin/packages/julia/package.py
+++ b/var/spack/repos/builtin/packages/julia/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/k8/package.py b/var/spack/repos/builtin/packages/k8/package.py
index 801323229d7f7a4c9b2b44e90c268c60e73c0f71..efdcb06af998f1d03344e2f8ee394932bbaec8a4 100644
--- a/var/spack/repos/builtin/packages/k8/package.py
+++ b/var/spack/repos/builtin/packages/k8/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 import os
 from spack import *
diff --git a/var/spack/repos/builtin/packages/kahip/package.py b/var/spack/repos/builtin/packages/kahip/package.py
index 6b3d8c444156ec18e2d0eb6d0c8732bee1062eef..29c6adae7783ba902784bebce30a582990e05ab2 100644
--- a/var/spack/repos/builtin/packages/kahip/package.py
+++ b/var/spack/repos/builtin/packages/kahip/package.py
@@ -1,28 +1,8 @@
-##############################################################################
-# Copyright (c) 2017 Christian Schulz
-# Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is released as part of Spack under the LGPL license
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE file for the LLNL notice and LGPL.
-#
-# License
-# -------
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import os
diff --git a/var/spack/repos/builtin/packages/kaiju/package.py b/var/spack/repos/builtin/packages/kaiju/package.py
index e77e3f529d58c5743b88bca63dc9de5e589198c9..621c81969c3a61bac820f3aa55c69cdaa91b5618 100644
--- a/var/spack/repos/builtin/packages/kaiju/package.py
+++ b/var/spack/repos/builtin/packages/kaiju/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kaks-calculator/package.py b/var/spack/repos/builtin/packages/kaks-calculator/package.py
index 44f6e7bb53dda05bf0e35467378fe65b886922f3..f9244acc3b44e735e7c63e34675cd2a276dbd34e 100644
--- a/var/spack/repos/builtin/packages/kaks-calculator/package.py
+++ b/var/spack/repos/builtin/packages/kaks-calculator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kaldi/package.py b/var/spack/repos/builtin/packages/kaldi/package.py
index 7dbe7d9a3b50c3f9e14e10306b9e3a8e7e8ca8ef..6b3457f12a1933306955d7ad4f15606982c6032a 100644
--- a/var/spack/repos/builtin/packages/kaldi/package.py
+++ b/var/spack/repos/builtin/packages/kaldi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from os.path import join
 from fnmatch import fnmatch
diff --git a/var/spack/repos/builtin/packages/kallisto/package.py b/var/spack/repos/builtin/packages/kallisto/package.py
index 60266b7217bc7251f18b0a4c5fccc5434d3cddf0..c537ca6ad462e7bede20368a6fa19da3a656ecac 100644
--- a/var/spack/repos/builtin/packages/kallisto/package.py
+++ b/var/spack/repos/builtin/packages/kallisto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kbproto/package.py b/var/spack/repos/builtin/packages/kbproto/package.py
index a820c28b756d669a77fe1c9a169c1968fca9cd12..05b6f5e665a70fde966ae4257e2bbe01ade93f6a 100644
--- a/var/spack/repos/builtin/packages/kbproto/package.py
+++ b/var/spack/repos/builtin/packages/kbproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kdiff3/package.py b/var/spack/repos/builtin/packages/kdiff3/package.py
index 39f384641b85b13fcde47b83bd6a98a694e73ff3..93f1e097fd8cac9a0d390dbe009b440858e0b965 100644
--- a/var/spack/repos/builtin/packages/kdiff3/package.py
+++ b/var/spack/repos/builtin/packages/kdiff3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kealib/package.py b/var/spack/repos/builtin/packages/kealib/package.py
index 79a61c2e622565e0e6b543f746b9a774fa0e5fe8..92ca45f5ba37c3d080db504963dae66452c6aa71 100644
--- a/var/spack/repos/builtin/packages/kealib/package.py
+++ b/var/spack/repos/builtin/packages/kealib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kentutils/package.py b/var/spack/repos/builtin/packages/kentutils/package.py
index c66925a088c4364a70e47e55dba2379a8836e242..11680cececededfc33ebf20ebf1cdc51ed8e46cd 100644
--- a/var/spack/repos/builtin/packages/kentutils/package.py
+++ b/var/spack/repos/builtin/packages/kentutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kibana/package.py b/var/spack/repos/builtin/packages/kibana/package.py
index f483940fbdc1d22e0df95ad348aa8e6ae65e949e..c47e75bd5bec6f0d774047010d8ae6b9fea87d93 100644
--- a/var/spack/repos/builtin/packages/kibana/package.py
+++ b/var/spack/repos/builtin/packages/kibana/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kim-api/package.py b/var/spack/repos/builtin/packages/kim-api/package.py
index b24e46bf3b1f6b6a530a0ae801359ca36672650e..f8141813f1c6a53bd979e8c4a15d25e6f900e2ca 100644
--- a/var/spack/repos/builtin/packages/kim-api/package.py
+++ b/var/spack/repos/builtin/packages/kim-api/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-#
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kmergenie/package.py b/var/spack/repos/builtin/packages/kmergenie/package.py
index 031eb159649508b6a9d802ebd2e9634440476455..e3c122bdadbd784a54e962c2246f23ca0c87180c 100644
--- a/var/spack/repos/builtin/packages/kmergenie/package.py
+++ b/var/spack/repos/builtin/packages/kmergenie/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kokkos/package.py b/var/spack/repos/builtin/packages/kokkos/package.py
index 848be225c5a3dd78a1f9d6a4c74855a8dcb83c4e..06c408d730a47db392d90c2858d02eeaef040515 100644
--- a/var/spack/repos/builtin/packages/kokkos/package.py
+++ b/var/spack/repos/builtin/packages/kokkos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kraken/package.py b/var/spack/repos/builtin/packages/kraken/package.py
index 4039c426b82ead4cf8bd05b1103bec703ddd5a85..4c32e153da3f2640b921352a567d33ef2c5048d7 100644
--- a/var/spack/repos/builtin/packages/kraken/package.py
+++ b/var/spack/repos/builtin/packages/kraken/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/krb5/package.py b/var/spack/repos/builtin/packages/krb5/package.py
index 3930adf7d8ab03a7ebb51113ee7b7b3c29fec690..70c7b4aac4dab1b0610fc03408685efe212d6da8 100644
--- a/var/spack/repos/builtin/packages/krb5/package.py
+++ b/var/spack/repos/builtin/packages/krb5/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/krims/package.py b/var/spack/repos/builtin/packages/krims/package.py
index 1c6258f0f05c3dcae08ef928e3f1dae2070dcd94..fe40186d2147d7fb8dbb47a5a5c2649506b5b216 100644
--- a/var/spack/repos/builtin/packages/krims/package.py
+++ b/var/spack/repos/builtin/packages/krims/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kripke/package.py b/var/spack/repos/builtin/packages/kripke/package.py
index ec2a9af1ac6185b8976cd336f87e250a289862a5..c8614d933c5028dc5f8b9276ed76a11c9b28ea52 100644
--- a/var/spack/repos/builtin/packages/kripke/package.py
+++ b/var/spack/repos/builtin/packages/kripke/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/kvasir-mpl/package.py b/var/spack/repos/builtin/packages/kvasir-mpl/package.py
index 2a67665fd884e8e105490c1ce9a4212e9fbcc4ce..7561fc17cc1a4099f5b7292562d98fa38b8ac9bf 100644
--- a/var/spack/repos/builtin/packages/kvasir-mpl/package.py
+++ b/var/spack/repos/builtin/packages/kvasir-mpl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/kvtree/package.py b/var/spack/repos/builtin/packages/kvtree/package.py
index 1e027b498fa8d9780761c29dc187780b990cdad7..8f1c64607d79c02dd36f7460a85a7009339e5591 100644
--- a/var/spack/repos/builtin/packages/kvtree/package.py
+++ b/var/spack/repos/builtin/packages/kvtree/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/laghos/package.py b/var/spack/repos/builtin/packages/laghos/package.py
index b9ca01689a6565488f82c5fb34f2dac89a24fbc6..deab6d8f0b0de124672ed600a69f191312118f46 100644
--- a/var/spack/repos/builtin/packages/laghos/package.py
+++ b/var/spack/repos/builtin/packages/laghos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lammps/package.py b/var/spack/repos/builtin/packages/lammps/package.py
index 0573317adeb66cdb483135a68c545714bfb48552..5743d39189eda44d05d701f47d4f882ddb299d67 100644
--- a/var/spack/repos/builtin/packages/lammps/package.py
+++ b/var/spack/repos/builtin/packages/lammps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-#
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import datetime as dt
 
diff --git a/var/spack/repos/builtin/packages/last/package.py b/var/spack/repos/builtin/packages/last/package.py
index d131433947a0704d0e9b26dd46f1ced0fa310800..9e0ac558504c9b67150aec911d0c0240ef530c54 100644
--- a/var/spack/repos/builtin/packages/last/package.py
+++ b/var/spack/repos/builtin/packages/last/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/latte/package.py b/var/spack/repos/builtin/packages/latte/package.py
index badc09fbb14b8bdb74067a0a9d1d9e9adc3d2fa7..fe7b75b8a8cb1004521bef6ac18bb37d61023790 100644
--- a/var/spack/repos/builtin/packages/latte/package.py
+++ b/var/spack/repos/builtin/packages/latte/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/launchmon/package.py b/var/spack/repos/builtin/packages/launchmon/package.py
index 233c49d5a329ca39378dd4a5bed30ebae37a6907..2042d0bb27b54b993f31ac12494a1e0ead7b6c81 100644
--- a/var/spack/repos/builtin/packages/launchmon/package.py
+++ b/var/spack/repos/builtin/packages/launchmon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lazyten/package.py b/var/spack/repos/builtin/packages/lazyten/package.py
index d564732848c6222eb99616a93a403cbd77439e54..20099f549a6625cf77ce22187ec3f53c901a07d6 100644
--- a/var/spack/repos/builtin/packages/lazyten/package.py
+++ b/var/spack/repos/builtin/packages/lazyten/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/lbann/package.py b/var/spack/repos/builtin/packages/lbann/package.py
index ff8d8a3047f88a6ce326cd2709db6414f6e9f171..112b89e815ece8465c3bf108340964ddc08677e8 100644
--- a/var/spack/repos/builtin/packages/lbann/package.py
+++ b/var/spack/repos/builtin/packages/lbann/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 from spack import *
diff --git a/var/spack/repos/builtin/packages/lbxproxy/package.py b/var/spack/repos/builtin/packages/lbxproxy/package.py
index 970f422c0b1d095f41778dd2b5b2da9059135901..6548807b1a6bc82d4b8fd458e38f65af8e6bf3b1 100644
--- a/var/spack/repos/builtin/packages/lbxproxy/package.py
+++ b/var/spack/repos/builtin/packages/lbxproxy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lcals/package.py b/var/spack/repos/builtin/packages/lcals/package.py
index 0659b1710fb67ac67fdb86bdb15b36de8206105c..e697be898901c35f58657ea23461dc75f91b617c 100644
--- a/var/spack/repos/builtin/packages/lcals/package.py
+++ b/var/spack/repos/builtin/packages/lcals/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import platform
diff --git a/var/spack/repos/builtin/packages/lcms/package.py b/var/spack/repos/builtin/packages/lcms/package.py
index 8ae900aaa0a1a7692b8320cb3d6d0aa30b26b855..e68e96bdc944bdf67a22bd230cae5e5ce0d960e8 100644
--- a/var/spack/repos/builtin/packages/lcms/package.py
+++ b/var/spack/repos/builtin/packages/lcms/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ldc-bootstrap/package.py b/var/spack/repos/builtin/packages/ldc-bootstrap/package.py
index 43e4b5247790d96b653f787881fac4dd6f95402b..5cff31e35d5f86eb5db4845fbd500786f1d1bd04 100644
--- a/var/spack/repos/builtin/packages/ldc-bootstrap/package.py
+++ b/var/spack/repos/builtin/packages/ldc-bootstrap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ldc/package.py b/var/spack/repos/builtin/packages/ldc/package.py
index 04b263919232b96434f91a476d8f3c4516e76f6f..26a9d61ccd1cebc569334bf5f1419a34ab74c7d5 100644
--- a/var/spack/repos/builtin/packages/ldc/package.py
+++ b/var/spack/repos/builtin/packages/ldc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/legion/package.py b/var/spack/repos/builtin/packages/legion/package.py
index 82235a8f86b20c60af5f766d5b1975fef1b58990..4ae0cf533c25e7db3ee7d11fcd2886e72309426f 100644
--- a/var/spack/repos/builtin/packages/legion/package.py
+++ b/var/spack/repos/builtin/packages/legion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/leveldb/package.py b/var/spack/repos/builtin/packages/leveldb/package.py
index 2f649f496911d23700092009c7ac8d41d162d45a..e06f347e2369f0443b619e9b6a972583b436078c 100644
--- a/var/spack/repos/builtin/packages/leveldb/package.py
+++ b/var/spack/repos/builtin/packages/leveldb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import glob
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/lftp/package.py b/var/spack/repos/builtin/packages/lftp/package.py
index 8a9ff9e78970bc270acffd9d0b15eed6c2391cbc..15252985380c63e1ed6072c71d745f79daf2143c 100644
--- a/var/spack/repos/builtin/packages/lftp/package.py
+++ b/var/spack/repos/builtin/packages/lftp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libaec/package.py b/var/spack/repos/builtin/packages/libaec/package.py
index b89723131fb28580b1c99b01becb24d6a191157a..2a40d3f602e8b397d5ec2d4e68a650f4ec356411 100644
--- a/var/spack/repos/builtin/packages/libaec/package.py
+++ b/var/spack/repos/builtin/packages/libaec/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libaio/package.py b/var/spack/repos/builtin/packages/libaio/package.py
index 8165f0c073ee97d059734ce7df23ceaac1c982d7..56872455cd79cf5a094e2d4ce9575590b6b4bf3c 100644
--- a/var/spack/repos/builtin/packages/libaio/package.py
+++ b/var/spack/repos/builtin/packages/libaio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libapplewm/package.py b/var/spack/repos/builtin/packages/libapplewm/package.py
index 2107a3d27d418813f06dee6e2d014cf3f4590cf2..373b373487eed6c28554e78ed36d75247174fcc2 100644
--- a/var/spack/repos/builtin/packages/libapplewm/package.py
+++ b/var/spack/repos/builtin/packages/libapplewm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libarchive/package.py b/var/spack/repos/builtin/packages/libarchive/package.py
index 197141eaf692efc2406bb0868bb0d2a5df1c50cc..08c743e724f5bec3750dd33ce6028dddd70a4af4 100644
--- a/var/spack/repos/builtin/packages/libarchive/package.py
+++ b/var/spack/repos/builtin/packages/libarchive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libassuan/package.py b/var/spack/repos/builtin/packages/libassuan/package.py
index dedc3121027a670c5ab61399e9e664052cfb86a7..7f28942a539ac197715f2e1dfee933a2e82848d4 100644
--- a/var/spack/repos/builtin/packages/libassuan/package.py
+++ b/var/spack/repos/builtin/packages/libassuan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libatomic-ops/package.py b/var/spack/repos/builtin/packages/libatomic-ops/package.py
index d312d2306c0abaa6fd9eb93044518941927e0c27..a629eab02d5e4b80c70c84506fe1969e31aa0eef 100644
--- a/var/spack/repos/builtin/packages/libatomic-ops/package.py
+++ b/var/spack/repos/builtin/packages/libatomic-ops/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libbeagle/package.py b/var/spack/repos/builtin/packages/libbeagle/package.py
index 1678e01939f11bd6e396ce95518603a9ecd50f62..a4f9352e728c01bf65c860292d60ed3659212959 100644
--- a/var/spack/repos/builtin/packages/libbeagle/package.py
+++ b/var/spack/repos/builtin/packages/libbeagle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libbeato/package.py b/var/spack/repos/builtin/packages/libbeato/package.py
index b553794c50086228686a1de3849c3e0772e8d7a4..0cc0a19a13395d5d6f3dada6ddd1c07ccf882b92 100644
--- a/var/spack/repos/builtin/packages/libbeato/package.py
+++ b/var/spack/repos/builtin/packages/libbeato/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libbsd/package.py b/var/spack/repos/builtin/packages/libbsd/package.py
index f1c8d9d0d79a5429954eb45415ae7cafc0432110..4587d29e1f373e2fe5ded0113535a3cf68733593 100644
--- a/var/spack/repos/builtin/packages/libbsd/package.py
+++ b/var/spack/repos/builtin/packages/libbsd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libbson/package.py b/var/spack/repos/builtin/packages/libbson/package.py
index 6876d1c7f7601f43033c205c2ca0b627813cd19a..92f5a26f14db591b919eaa2a5b3496e77a96437e 100644
--- a/var/spack/repos/builtin/packages/libbson/package.py
+++ b/var/spack/repos/builtin/packages/libbson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libcanberra/package.py b/var/spack/repos/builtin/packages/libcanberra/package.py
index b8779b077c88e0a37b2467b5f8cd655d6b574bb6..6c6fd99ae1ce4e03da5095f34c0d580ff44c918c 100644
--- a/var/spack/repos/builtin/packages/libcanberra/package.py
+++ b/var/spack/repos/builtin/packages/libcanberra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libcap/package.py b/var/spack/repos/builtin/packages/libcap/package.py
index 63c36bf6a622296e8cea705fe890dc2b6dcc2f40..234c1846b494d7ad346b019620fd32d08e50fdb1 100644
--- a/var/spack/repos/builtin/packages/libcap/package.py
+++ b/var/spack/repos/builtin/packages/libcap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libceed/package.py b/var/spack/repos/builtin/packages/libceed/package.py
index c2a3e3676dd48ef1acc0d720f864f2d9e5f1f2f6..54bb7b495ff38ec1185a396694402af984f96edd 100644
--- a/var/spack/repos/builtin/packages/libceed/package.py
+++ b/var/spack/repos/builtin/packages/libceed/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libcerf/package.py b/var/spack/repos/builtin/packages/libcerf/package.py
index c40a125de9e5a543f9f390877859c16c8f0d1c82..ecf35f87f486e15dcf268efa1965e2c85307fd40 100644
--- a/var/spack/repos/builtin/packages/libcerf/package.py
+++ b/var/spack/repos/builtin/packages/libcerf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/libcheck/package.py b/var/spack/repos/builtin/packages/libcheck/package.py
index 0cedfd42c0ba626e684def4ca8145ab8d8acacd7..19553b8b6a06e57ddad9a1f1ec5d01812b3ed712 100644
--- a/var/spack/repos/builtin/packages/libcheck/package.py
+++ b/var/spack/repos/builtin/packages/libcheck/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libcint/package.py b/var/spack/repos/builtin/packages/libcint/package.py
index e24614876ca87f610e51728c6542f5343b55b420..1698dbb3ce4df3279aa6a3c3bb35c893cd9e1e15 100644
--- a/var/spack/repos/builtin/packages/libcint/package.py
+++ b/var/spack/repos/builtin/packages/libcint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libcircle/package.py b/var/spack/repos/builtin/packages/libcircle/package.py
index 2170a2668a356269b77e1369a9cd37925cdca573..5bd6bf719f094f2e47f871b0221a5df203ad0f16 100644
--- a/var/spack/repos/builtin/packages/libcircle/package.py
+++ b/var/spack/repos/builtin/packages/libcircle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libconfig/package.py b/var/spack/repos/builtin/packages/libconfig/package.py
index b4a4927d6100732feffdb765c7496e3875ed2adf..9dea0cd4c8728e9bbc6e8646282c1ac5ce85b834 100644
--- a/var/spack/repos/builtin/packages/libconfig/package.py
+++ b/var/spack/repos/builtin/packages/libconfig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libcroco/package.py b/var/spack/repos/builtin/packages/libcroco/package.py
index 5ad2135f365fcb3962ead93e8fd65e41293e676f..eefc1884570b93c310b0de4556c679cf6f1d2c21 100644
--- a/var/spack/repos/builtin/packages/libcroco/package.py
+++ b/var/spack/repos/builtin/packages/libcroco/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libctl/package.py b/var/spack/repos/builtin/packages/libctl/package.py
index 4c46eac1df5de084df3d540fa7a1663a4cc5eb12..ae68dc5bef0b4e82c9a7ffdb2a48e5143b1aa678 100644
--- a/var/spack/repos/builtin/packages/libctl/package.py
+++ b/var/spack/repos/builtin/packages/libctl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libdivsufsort/package.py b/var/spack/repos/builtin/packages/libdivsufsort/package.py
index a9d49743bec0d41ab6566d9348eee46e143ee853..2ac8d6f65eb61bc254e3daf68810dff462d9b099 100644
--- a/var/spack/repos/builtin/packages/libdivsufsort/package.py
+++ b/var/spack/repos/builtin/packages/libdivsufsort/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libdmx/package.py b/var/spack/repos/builtin/packages/libdmx/package.py
index 47c1cd64afcb48f39df2245a6522509e3705f250..9514dc9f00c53948eef2006162674400d631ab97 100644
--- a/var/spack/repos/builtin/packages/libdmx/package.py
+++ b/var/spack/repos/builtin/packages/libdmx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libdrm/package.py b/var/spack/repos/builtin/packages/libdrm/package.py
index e022e7acd6e776bd9f976f0cb3d1cba0d231208a..ca4e26577c683b1bfce8b4b0868a2d94648bc2f6 100644
--- a/var/spack/repos/builtin/packages/libdrm/package.py
+++ b/var/spack/repos/builtin/packages/libdrm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/libdwarf/package.py b/var/spack/repos/builtin/packages/libdwarf/package.py
index 7fa23300cf5f35bfc262326fd5bfe0e3880130ba..a473b2c83ab6f47564c41b7911c720fa24b881cc 100644
--- a/var/spack/repos/builtin/packages/libdwarf/package.py
+++ b/var/spack/repos/builtin/packages/libdwarf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 import os
diff --git a/var/spack/repos/builtin/packages/libedit/package.py b/var/spack/repos/builtin/packages/libedit/package.py
index 0f6664a728db2e1c6585fc87252d8006c1e0ac57..b253397ee43a8110c7f953632e5491754a9eab48 100644
--- a/var/spack/repos/builtin/packages/libedit/package.py
+++ b/var/spack/repos/builtin/packages/libedit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libelf/package.py b/var/spack/repos/builtin/packages/libelf/package.py
index 06901d3bfe2fb8d62ef676bc1c2ab4f9fda8b616..b8439663103a7e8c45d88725887fb1bb81f40473 100644
--- a/var/spack/repos/builtin/packages/libelf/package.py
+++ b/var/spack/repos/builtin/packages/libelf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libemos/package.py b/var/spack/repos/builtin/packages/libemos/package.py
index 0e9c337e29e0b6ece4d8de9f62c336364e677ad7..02d953c4abb892b7779d2e0fd7defe88fe3ec1a0 100644
--- a/var/spack/repos/builtin/packages/libemos/package.py
+++ b/var/spack/repos/builtin/packages/libemos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libepoxy/package.py b/var/spack/repos/builtin/packages/libepoxy/package.py
index afb9677f691592c8688597349fd90c502e4a693f..a8fcb945b1d84015997122adc29d043e674fcc2a 100644
--- a/var/spack/repos/builtin/packages/libepoxy/package.py
+++ b/var/spack/repos/builtin/packages/libepoxy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libev/package.py b/var/spack/repos/builtin/packages/libev/package.py
index d824719780a832435ae7434a40f060cac72e9db0..26eec70d3e824d0fa82268a0e1f8b4185d62f4c5 100644
--- a/var/spack/repos/builtin/packages/libev/package.py
+++ b/var/spack/repos/builtin/packages/libev/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libevent/package.py b/var/spack/repos/builtin/packages/libevent/package.py
index ce3302dce09c3bee2c6da8410c05e1d876dda1a7..49cda592fb72679ca124898f6e2ae537569bd7b8 100644
--- a/var/spack/repos/builtin/packages/libevent/package.py
+++ b/var/spack/repos/builtin/packages/libevent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libevpath/package.py b/var/spack/repos/builtin/packages/libevpath/package.py
index b8ae807afa703a2ab448d096883a4c63f5724ff4..b27b8c6b70b0a2fe9a9b0559ff058cb87ad51e7d 100644
--- a/var/spack/repos/builtin/packages/libevpath/package.py
+++ b/var/spack/repos/builtin/packages/libevpath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libfabric/package.py b/var/spack/repos/builtin/packages/libfabric/package.py
index 404b1826ee5531076e6422e1a2d8a05996b97d68..3644b6205c6480270886e7f88760d70127f706fd 100644
--- a/var/spack/repos/builtin/packages/libfabric/package.py
+++ b/var/spack/repos/builtin/packages/libfabric/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libffi/package.py b/var/spack/repos/builtin/packages/libffi/package.py
index 5ff694dd74ad11690ead3d052a3bf6aadf654006..b43eb916199ff998c3780d15af5ae601e5136c9b 100644
--- a/var/spack/repos/builtin/packages/libffi/package.py
+++ b/var/spack/repos/builtin/packages/libffi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libffs/package.py b/var/spack/repos/builtin/packages/libffs/package.py
index 68638251d680373c7a1b61bd2080286b597d79d1..1500777652dbbee50e380c61c7ec5e5243a01f70 100644
--- a/var/spack/repos/builtin/packages/libffs/package.py
+++ b/var/spack/repos/builtin/packages/libffs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libfontenc/package.py b/var/spack/repos/builtin/packages/libfontenc/package.py
index e46bedcb9cc28aa9b476b6b8254dd57ea5553aba..579cbf3f9d6cf308dd0101ba72a558af68e3f635 100644
--- a/var/spack/repos/builtin/packages/libfontenc/package.py
+++ b/var/spack/repos/builtin/packages/libfontenc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libfs/package.py b/var/spack/repos/builtin/packages/libfs/package.py
index 97d8295830cc4c3cfa12325fb0778226c9ff10ee..ace282f7fb320cb4b97eeeb552845e9a4f95ef4b 100644
--- a/var/spack/repos/builtin/packages/libfs/package.py
+++ b/var/spack/repos/builtin/packages/libfs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgcrypt/package.py b/var/spack/repos/builtin/packages/libgcrypt/package.py
index 2a6dc91a46ca8747752faa105946c23f6f0d941c..dbc4bf5022610ba78e98e3803a6367b8d422f3db 100644
--- a/var/spack/repos/builtin/packages/libgcrypt/package.py
+++ b/var/spack/repos/builtin/packages/libgcrypt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgd/package.py b/var/spack/repos/builtin/packages/libgd/package.py
index 10fb96900694335b578533d0a12273adc9c74a1c..89178e649aa8e853da2fded3bd63bb8176ed3146 100644
--- a/var/spack/repos/builtin/packages/libgd/package.py
+++ b/var/spack/repos/builtin/packages/libgd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/libgeotiff/package.py b/var/spack/repos/builtin/packages/libgeotiff/package.py
index e56737ca2649c8e3ea912f7ca6c6ac0e1ebbc1f7..e7a76d2eec40a440d55cf187cdee989ecacd5427 100644
--- a/var/spack/repos/builtin/packages/libgeotiff/package.py
+++ b/var/spack/repos/builtin/packages/libgeotiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgit2/package.py b/var/spack/repos/builtin/packages/libgit2/package.py
index 6a47db9e06158e940c61b41395a93fdbccd31715..dfeecb1918952cc6f420684b90e851b3e3c494ac 100644
--- a/var/spack/repos/builtin/packages/libgit2/package.py
+++ b/var/spack/repos/builtin/packages/libgit2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgpg-error/package.py b/var/spack/repos/builtin/packages/libgpg-error/package.py
index 260154cb31ce789d3a2c2493bb19062bf5b7dd7b..e094fbf4dc19db9342477f0215479ec2f7b767d0 100644
--- a/var/spack/repos/builtin/packages/libgpg-error/package.py
+++ b/var/spack/repos/builtin/packages/libgpg-error/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgpuarray/package.py b/var/spack/repos/builtin/packages/libgpuarray/package.py
index fb5627311f892aed5d77f4444f81b7de8e7f2ff6..a9a40b8312fdf48737da8f42331fcfbe840a17d8 100644
--- a/var/spack/repos/builtin/packages/libgpuarray/package.py
+++ b/var/spack/repos/builtin/packages/libgpuarray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgridxc/package.py b/var/spack/repos/builtin/packages/libgridxc/package.py
index f2db4ab13f786a292c51ecbd6f3372f9538393d1..a4d7d3ccdf2fe830e4e06862d3055ed32d7d8f23 100644
--- a/var/spack/repos/builtin/packages/libgridxc/package.py
+++ b/var/spack/repos/builtin/packages/libgridxc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libgtextutils/package.py b/var/spack/repos/builtin/packages/libgtextutils/package.py
index 1ea3fe3f7191a7643bf8ae0f5ce4f6d56a76554b..535bb7694e511d133beb44d1f28dfd4202213f00 100644
--- a/var/spack/repos/builtin/packages/libgtextutils/package.py
+++ b/var/spack/repos/builtin/packages/libgtextutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libharu/package.py b/var/spack/repos/builtin/packages/libharu/package.py
index 4c5aeada977e2056a9c93a06d554d2d43614efb5..9193de7e96a7bbeb1e9dd54c6946d0b6f42ddb67 100644
--- a/var/spack/repos/builtin/packages/libharu/package.py
+++ b/var/spack/repos/builtin/packages/libharu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/libhio/package.py b/var/spack/repos/builtin/packages/libhio/package.py
index fec5242d5cc21698ee6f8dfe0d51dc5a08d05c02..64224b652892d906856b37742a301bc95123801f 100644
--- a/var/spack/repos/builtin/packages/libhio/package.py
+++ b/var/spack/repos/builtin/packages/libhio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/libiberty/package.py b/var/spack/repos/builtin/packages/libiberty/package.py
index 3d4fbe66b7db703020b56cc6a314b3a0a4c56d36..166979d30c0a5e6be05e298e755a24a830858e4d 100644
--- a/var/spack/repos/builtin/packages/libiberty/package.py
+++ b/var/spack/repos/builtin/packages/libiberty/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libice/package.py b/var/spack/repos/builtin/packages/libice/package.py
index fb6f6515d4f892e37c23ee01b2afe13b317a605e..501fe81677a6a6cd87705eb1e6d849f7fa18a046 100644
--- a/var/spack/repos/builtin/packages/libice/package.py
+++ b/var/spack/repos/builtin/packages/libice/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libiconv/package.py b/var/spack/repos/builtin/packages/libiconv/package.py
index af3f0bbc1f84544a2ede00bea8cb35adc91fcec6..b435f19f1ee3cb30c4909950de1eb1245ddd075d 100644
--- a/var/spack/repos/builtin/packages/libiconv/package.py
+++ b/var/spack/repos/builtin/packages/libiconv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libint/package.py b/var/spack/repos/builtin/packages/libint/package.py
index 0b37d0267f46d68b9f3a7392fc068f8527c9c944..1ea8031dece80fd72674c1ed165fdc5b57ef4fa7 100644
--- a/var/spack/repos/builtin/packages/libint/package.py
+++ b/var/spack/repos/builtin/packages/libint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libjpeg-turbo/package.py b/var/spack/repos/builtin/packages/libjpeg-turbo/package.py
index a8dfb64d47f56f6728d3d95caffefb7b4d5c7919..e57b8b84d2558c10fb7cb99c887064789722b0a0 100644
--- a/var/spack/repos/builtin/packages/libjpeg-turbo/package.py
+++ b/var/spack/repos/builtin/packages/libjpeg-turbo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libjpeg/package.py b/var/spack/repos/builtin/packages/libjpeg/package.py
index c3386c5ee1cf91e96a39a1015dded6d0ef42684d..908b6f6bea8b9721096f4199d23e8c540c55bf4e 100644
--- a/var/spack/repos/builtin/packages/libjpeg/package.py
+++ b/var/spack/repos/builtin/packages/libjpeg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libksba/package.py b/var/spack/repos/builtin/packages/libksba/package.py
index e0c4c9c1f3c0f3cb4ee06b20436a53227e63f49c..48be52968fdabc3940c7743d90f0030b94f3844a 100644
--- a/var/spack/repos/builtin/packages/libksba/package.py
+++ b/var/spack/repos/builtin/packages/libksba/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/liblbxutil/package.py b/var/spack/repos/builtin/packages/liblbxutil/package.py
index ab26a1a9ed255af8f5e9e5aed4b32038bb4a51cc..32c49195d3e8fa48ea909db0518f7f15884de6bd 100644
--- a/var/spack/repos/builtin/packages/liblbxutil/package.py
+++ b/var/spack/repos/builtin/packages/liblbxutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/liblockfile/package.py b/var/spack/repos/builtin/packages/liblockfile/package.py
index 6e6f092edcb388a5c086088c61113f1101705bf9..1598a026a2f6139d7ddf84d061d7004e59229fdf 100644
--- a/var/spack/repos/builtin/packages/liblockfile/package.py
+++ b/var/spack/repos/builtin/packages/liblockfile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libmatheval/package.py b/var/spack/repos/builtin/packages/libmatheval/package.py
index a37c15e10fe8f8cd88511357021cd190a737b1f8..c52a4f7a3015563471b5a1c73f4b8f26489bcf5f 100644
--- a/var/spack/repos/builtin/packages/libmatheval/package.py
+++ b/var/spack/repos/builtin/packages/libmatheval/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libmaxminddb/package.py b/var/spack/repos/builtin/packages/libmaxminddb/package.py
index 9006bb8f8ca63c580bd98180579bc9ec18a59e69..abe154bb014c8a3948fab9e25007f8f89c9360e7 100644
--- a/var/spack/repos/builtin/packages/libmaxminddb/package.py
+++ b/var/spack/repos/builtin/packages/libmaxminddb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libmesh/package.py b/var/spack/repos/builtin/packages/libmesh/package.py
index 40ef6320714b048a787dcbdcdbfc4e327915b65d..2f7eb2c713ca170cb2ccfc8952251e93901caadd 100644
--- a/var/spack/repos/builtin/packages/libmesh/package.py
+++ b/var/spack/repos/builtin/packages/libmesh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libmng/package.py b/var/spack/repos/builtin/packages/libmng/package.py
index c182a496d73fffc1e370accfd3edd483333b525a..e4e11c959424878063691678c7f36b28c6c250f2 100644
--- a/var/spack/repos/builtin/packages/libmng/package.py
+++ b/var/spack/repos/builtin/packages/libmng/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libmongoc/package.py b/var/spack/repos/builtin/packages/libmongoc/package.py
index a0455b4ce7e7abb7f6df91f0a5cc54d6e4a09513..2f1dc4d7f7d1a595ca2d1b24f35026b720cdf5ae 100644
--- a/var/spack/repos/builtin/packages/libmongoc/package.py
+++ b/var/spack/repos/builtin/packages/libmongoc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libmonitor/package.py b/var/spack/repos/builtin/packages/libmonitor/package.py
index db6c755778f45abd6828724e05333cdead467126..314f195af9526ae717ac6b9dbb71e0155073338f 100644
--- a/var/spack/repos/builtin/packages/libmonitor/package.py
+++ b/var/spack/repos/builtin/packages/libmonitor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libnbc/package.py b/var/spack/repos/builtin/packages/libnbc/package.py
index 17b6a51334d5d561cc8bcbf34c240348cecf7905..daf7b95c57dd53d9b306faf00a156326b8c6bfb8 100644
--- a/var/spack/repos/builtin/packages/libnbc/package.py
+++ b/var/spack/repos/builtin/packages/libnbc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libnl/package.py b/var/spack/repos/builtin/packages/libnl/package.py
index 40e82de16132981b50fc86ba22c001adeeceeec6..1eabb45108107356789d82e3f7bff6fef009dd52 100644
--- a/var/spack/repos/builtin/packages/libnl/package.py
+++ b/var/spack/repos/builtin/packages/libnl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/libnova/package.py b/var/spack/repos/builtin/packages/libnova/package.py
index 6a5c88aa855fde584a1bfe776a133e6cf5047afb..63745e8dd4e7da339a524e4f59c54a9bcf861878 100644
--- a/var/spack/repos/builtin/packages/libnova/package.py
+++ b/var/spack/repos/builtin/packages/libnova/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libogg/package.py b/var/spack/repos/builtin/packages/libogg/package.py
index cced1a39b83ba080d4f296b447b2e43a6e1ec66b..bdb5700cc994fa90b0f47ad2711bf8c9056bfcce 100644
--- a/var/spack/repos/builtin/packages/libogg/package.py
+++ b/var/spack/repos/builtin/packages/libogg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/liboldx/package.py b/var/spack/repos/builtin/packages/liboldx/package.py
index 5d11d395fdbf8dd6121d56429b3e8e7a16a4beb0..210f12a1afdefd1f8149ae86a8f26b0113b1534a 100644
--- a/var/spack/repos/builtin/packages/liboldx/package.py
+++ b/var/spack/repos/builtin/packages/liboldx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpcap/package.py b/var/spack/repos/builtin/packages/libpcap/package.py
index 4be601ebeb374ba98911cfe888bc5480c73604ab..5956353568f0a45efaa0953bead02e0a0d466fea 100644
--- a/var/spack/repos/builtin/packages/libpcap/package.py
+++ b/var/spack/repos/builtin/packages/libpcap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpciaccess/package.py b/var/spack/repos/builtin/packages/libpciaccess/package.py
index 25616f8e55c3cad1c42b7f8c41bcae02e928d494..ad30ebd0825cb241ca3ae9995005819021800877 100644
--- a/var/spack/repos/builtin/packages/libpciaccess/package.py
+++ b/var/spack/repos/builtin/packages/libpciaccess/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpfm4/package.py b/var/spack/repos/builtin/packages/libpfm4/package.py
index 44f710003d3c727d1b7418e523a2f39387e8e5c3..32d72371b975cd0b0575a8f37b7dafce50213b8b 100644
--- a/var/spack/repos/builtin/packages/libpfm4/package.py
+++ b/var/spack/repos/builtin/packages/libpfm4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpipeline/package.py b/var/spack/repos/builtin/packages/libpipeline/package.py
index 5128162998cc117bafba7dac8d52247bb8b4cb4b..b5528d7dc308637c1365a80531473f550a4c649c 100644
--- a/var/spack/repos/builtin/packages/libpipeline/package.py
+++ b/var/spack/repos/builtin/packages/libpipeline/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpng/package.py b/var/spack/repos/builtin/packages/libpng/package.py
index c5178f1b4a99efe9bc732ac62fb6e7b8bf4232d7..e9e9d9e56f728d1ba99f56bc7f4334fd9b8a6806 100644
--- a/var/spack/repos/builtin/packages/libpng/package.py
+++ b/var/spack/repos/builtin/packages/libpng/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpsl/package.py b/var/spack/repos/builtin/packages/libpsl/package.py
index 61aff957c2eb5001371e0fce99c375760cb91519..88d843bb1ece866c2795b58ec4a8534dd98dc64b 100644
--- a/var/spack/repos/builtin/packages/libpsl/package.py
+++ b/var/spack/repos/builtin/packages/libpsl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libpthread-stubs/package.py b/var/spack/repos/builtin/packages/libpthread-stubs/package.py
index 5f4b8ba30f304f92842e3942c8de0bbedef0edb5..1cc977316bbaf4af4f8652b999e0bb76c8980ce5 100644
--- a/var/spack/repos/builtin/packages/libpthread-stubs/package.py
+++ b/var/spack/repos/builtin/packages/libpthread-stubs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libquo/package.py b/var/spack/repos/builtin/packages/libquo/package.py
index c25bdf56a68fe7c9b0c911d52d39b4b7dbab24f0..4677798391727bb72f2afa918fbc4507fb7d5423 100644
--- a/var/spack/repos/builtin/packages/libquo/package.py
+++ b/var/spack/repos/builtin/packages/libquo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/librom/package.py b/var/spack/repos/builtin/packages/librom/package.py
index 9994184557ae4f546e2057dd138a244700cd6fe2..e00792e77746e3e94773b93f7786f9b8caa9872e 100644
--- a/var/spack/repos/builtin/packages/librom/package.py
+++ b/var/spack/repos/builtin/packages/librom/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/libsharp/package.py b/var/spack/repos/builtin/packages/libsharp/package.py
index 54d7296400a62794f4c7bddf708891c1d22c22d5..a80eb7f58fe9eeb724dc8cd8b6fd3973f1742884 100644
--- a/var/spack/repos/builtin/packages/libsharp/package.py
+++ b/var/spack/repos/builtin/packages/libsharp/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/libshm/package.py b/var/spack/repos/builtin/packages/libshm/package.py
index 7ac2fcea0353a8acba36e3360ce38ebe13b2f261..3e52739131bbb6e9febeb6abe11fa39b140dbdc5 100644
--- a/var/spack/repos/builtin/packages/libshm/package.py
+++ b/var/spack/repos/builtin/packages/libshm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libsigcpp/package.py b/var/spack/repos/builtin/packages/libsigcpp/package.py
index 9669b1e491799d8bfd2e63a8f017bb570db0e6fd..32a3674fd60eba4405f18f4a8c0b73bb4edd452b 100644
--- a/var/spack/repos/builtin/packages/libsigcpp/package.py
+++ b/var/spack/repos/builtin/packages/libsigcpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libsigsegv/package.py b/var/spack/repos/builtin/packages/libsigsegv/package.py
index 70bf3434580fdbcdf26fb327ff87bce5f65d25d0..68c88a11aad8ad5a1d4b4db702600349caf0bbbd 100644
--- a/var/spack/repos/builtin/packages/libsigsegv/package.py
+++ b/var/spack/repos/builtin/packages/libsigsegv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libsm/package.py b/var/spack/repos/builtin/packages/libsm/package.py
index 35c44563992eac0c3a0015eec31a1e2dcb40cb98..50e0fb3fca18bffffb3ab3003cf2c9f63481cadd 100644
--- a/var/spack/repos/builtin/packages/libsm/package.py
+++ b/var/spack/repos/builtin/packages/libsm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libsodium/package.py b/var/spack/repos/builtin/packages/libsodium/package.py
index 0cdf7424912e74f7352e5173bdeb91b5a330dc08..c7c1a2191a79abbd7dc229659ddd2317c28bbada 100644
--- a/var/spack/repos/builtin/packages/libsodium/package.py
+++ b/var/spack/repos/builtin/packages/libsodium/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libspatialindex/package.py b/var/spack/repos/builtin/packages/libspatialindex/package.py
index 9d8555aa04f89d63fb9149f63b1692813e46598d..9f1a27c60dc51695f4439ce5fa028ba94728e01a 100644
--- a/var/spack/repos/builtin/packages/libspatialindex/package.py
+++ b/var/spack/repos/builtin/packages/libspatialindex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libsplash/package.py b/var/spack/repos/builtin/packages/libsplash/package.py
index 672a0268d2ff8026d9fc99105e3c4204cb8c9a82..37a7c09b0e0edb8c82488a133db67ab2789ea810 100644
--- a/var/spack/repos/builtin/packages/libsplash/package.py
+++ b/var/spack/repos/builtin/packages/libsplash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libssh/package.py b/var/spack/repos/builtin/packages/libssh/package.py
index 7a99ebbd6551be64ed40c288e39613008854ba33..511e2779a09fc2ad987fabfad4f6d68a8baae1aa 100644
--- a/var/spack/repos/builtin/packages/libssh/package.py
+++ b/var/spack/repos/builtin/packages/libssh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libssh2/package.py b/var/spack/repos/builtin/packages/libssh2/package.py
index ea30224aa5b7f5078f6deb8f60815296319447ba..bf56dc36b1a0d568a94b0b5428608bae944f2e16 100644
--- a/var/spack/repos/builtin/packages/libssh2/package.py
+++ b/var/spack/repos/builtin/packages/libssh2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libsvm/package.py b/var/spack/repos/builtin/packages/libsvm/package.py
index 72f5144bd0cb1001c61dcdfc6f991bda8b5be1d0..2c35ef7dcee5ea8a2eb582e1a86982ee36b53163 100644
--- a/var/spack/repos/builtin/packages/libsvm/package.py
+++ b/var/spack/repos/builtin/packages/libsvm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libszip/package.py b/var/spack/repos/builtin/packages/libszip/package.py
index d98b4cad960a91196e62daedb5b2f3cebb51535b..feef66a6554462ac56486a057202211aab5dc033 100644
--- a/var/spack/repos/builtin/packages/libszip/package.py
+++ b/var/spack/repos/builtin/packages/libszip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libtermkey/package.py b/var/spack/repos/builtin/packages/libtermkey/package.py
index aa672ea9507a8f538763d8b0b26bcf9b945ed4f4..28a6aa555206ce57346355cad6a8c114857e2ecd 100644
--- a/var/spack/repos/builtin/packages/libtermkey/package.py
+++ b/var/spack/repos/builtin/packages/libtermkey/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libtiff/package.py b/var/spack/repos/builtin/packages/libtiff/package.py
index 0876b0fc23b531b78e28967edeba5d01f80ad03d..3a2efbfb5cf0917c1c27b5cd77320702db42a994 100644
--- a/var/spack/repos/builtin/packages/libtiff/package.py
+++ b/var/spack/repos/builtin/packages/libtiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libtool/package.py b/var/spack/repos/builtin/packages/libtool/package.py
index b2490cc941d5f5c7b48270f7d12b2a60f11c79c0..37c6f2a87691fb217121955cb1550283c2f62f0d 100644
--- a/var/spack/repos/builtin/packages/libtool/package.py
+++ b/var/spack/repos/builtin/packages/libtool/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libunistring/package.py b/var/spack/repos/builtin/packages/libunistring/package.py
index ff69c0224769edc6bacc0d49d0e0ed3b37ab55a6..5653a0eba5edf12932c5bf3c79aa83fd9b70bf4b 100644
--- a/var/spack/repos/builtin/packages/libunistring/package.py
+++ b/var/spack/repos/builtin/packages/libunistring/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libunwind/package.py b/var/spack/repos/builtin/packages/libunwind/package.py
index c44f902284e7a7d2ca8574294e36527d39fc57c4..201c31af52a3f6878551a33c32da58647405427e 100644
--- a/var/spack/repos/builtin/packages/libunwind/package.py
+++ b/var/spack/repos/builtin/packages/libunwind/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libuuid/package.py b/var/spack/repos/builtin/packages/libuuid/package.py
index 4560621238fdbd714e04dbbab918e815776adf60..e50030468b97f4392381aa85a8ac24a29a50573f 100644
--- a/var/spack/repos/builtin/packages/libuuid/package.py
+++ b/var/spack/repos/builtin/packages/libuuid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libuv/package.py b/var/spack/repos/builtin/packages/libuv/package.py
index c57cf2592aa4026622c93074d726fbfe4931f9cb..5fd21215807533815ebc249bb28928fcbfd27e0b 100644
--- a/var/spack/repos/builtin/packages/libuv/package.py
+++ b/var/spack/repos/builtin/packages/libuv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libvorbis/package.py b/var/spack/repos/builtin/packages/libvorbis/package.py
index 8a0aab410faaf9016926fbb3f010ff85f7b0e0e6..9c526dba0f08440ba2a6848597dcb07e5410d5f3 100644
--- a/var/spack/repos/builtin/packages/libvorbis/package.py
+++ b/var/spack/repos/builtin/packages/libvorbis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libvterm/package.py b/var/spack/repos/builtin/packages/libvterm/package.py
index 586898b8b1b3e8d7d485a96977a4358fd30412dd..aef6d23d273f2acb66d596e7b6e980f11e0b929d 100644
--- a/var/spack/repos/builtin/packages/libvterm/package.py
+++ b/var/spack/repos/builtin/packages/libvterm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libwebsockets/package.py b/var/spack/repos/builtin/packages/libwebsockets/package.py
index 7e0cc05cde66716f77546d3963062f5ca695a71e..94f0982ba1353539554afde35533644790720c8d 100644
--- a/var/spack/repos/builtin/packages/libwebsockets/package.py
+++ b/var/spack/repos/builtin/packages/libwebsockets/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libwindowswm/package.py b/var/spack/repos/builtin/packages/libwindowswm/package.py
index ce573bd86db446568b7bf0ec9410d9160ac9df1e..26a5bdb066c5a73ec3751bc8e31e1d712245747c 100644
--- a/var/spack/repos/builtin/packages/libwindowswm/package.py
+++ b/var/spack/repos/builtin/packages/libwindowswm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libx11/package.py b/var/spack/repos/builtin/packages/libx11/package.py
index 9a526f394d68b331dc758be32aead7fe96814619..8f49422985dd1a5e7e628a1187ad41d0ce0b33b5 100644
--- a/var/spack/repos/builtin/packages/libx11/package.py
+++ b/var/spack/repos/builtin/packages/libx11/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxau/package.py b/var/spack/repos/builtin/packages/libxau/package.py
index a17da9eb4933bde625db1ce2029b75ecb3cff892..4c5acaf985b8f9eca7ad0b251a9c98ea896e9c17 100644
--- a/var/spack/repos/builtin/packages/libxau/package.py
+++ b/var/spack/repos/builtin/packages/libxau/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxaw/package.py b/var/spack/repos/builtin/packages/libxaw/package.py
index fed4ab1d9a7a5fa64cecd0a3093fc1e0d99b26c9..327c8c60888365f755336cc5b34ab3d4740373df 100644
--- a/var/spack/repos/builtin/packages/libxaw/package.py
+++ b/var/spack/repos/builtin/packages/libxaw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxaw3d/package.py b/var/spack/repos/builtin/packages/libxaw3d/package.py
index e10e5fa834cbc6d786443a4d6dbe571643a2dddc..85b53d2bfcee8ce5097e43380c07a55c870dc686 100644
--- a/var/spack/repos/builtin/packages/libxaw3d/package.py
+++ b/var/spack/repos/builtin/packages/libxaw3d/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxc/package.py b/var/spack/repos/builtin/packages/libxc/package.py
index 228ff4c0347ad5887bd8c22d014570ca6c4661ff..bdb5fcabd283a906786f10930970b89b489c83f9 100644
--- a/var/spack/repos/builtin/packages/libxc/package.py
+++ b/var/spack/repos/builtin/packages/libxc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxcb/package.py b/var/spack/repos/builtin/packages/libxcb/package.py
index 61f92d4f00ca65bea16d3b4bdc4039f81b7de301..91f6d3f6487d38bdc44b07d631237a09542ebf14 100644
--- a/var/spack/repos/builtin/packages/libxcb/package.py
+++ b/var/spack/repos/builtin/packages/libxcb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxcomposite/package.py b/var/spack/repos/builtin/packages/libxcomposite/package.py
index 1061277ef4224babfd072755f3592b88c46ab530..d0a9a2f971f0204927eea0b0f3f4d6b7c7662d28 100644
--- a/var/spack/repos/builtin/packages/libxcomposite/package.py
+++ b/var/spack/repos/builtin/packages/libxcomposite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxcursor/package.py b/var/spack/repos/builtin/packages/libxcursor/package.py
index 0785e849a8dcef5fa9c0c3b7dea3bbec18eef6a7..1160708781fe182f1148bda41b336a9a3736fb63 100644
--- a/var/spack/repos/builtin/packages/libxcursor/package.py
+++ b/var/spack/repos/builtin/packages/libxcursor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxdamage/package.py b/var/spack/repos/builtin/packages/libxdamage/package.py
index cc6e188e90bf04e351d0ea2c2a9e0593908c6549..bb1684c3643d8f96daadf9174310938dbe65d0bd 100644
--- a/var/spack/repos/builtin/packages/libxdamage/package.py
+++ b/var/spack/repos/builtin/packages/libxdamage/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxdmcp/package.py b/var/spack/repos/builtin/packages/libxdmcp/package.py
index 11ac74289079fb46e9576a0eea4ad88858f5c22c..f3fbc87ef4b0a74e1dbf2d06baf3d4d2e56ce2e4 100644
--- a/var/spack/repos/builtin/packages/libxdmcp/package.py
+++ b/var/spack/repos/builtin/packages/libxdmcp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxevie/package.py b/var/spack/repos/builtin/packages/libxevie/package.py
index a8d5c9bb424bcc909ffe93252aae6c9149119402..a1ceb23dbbc94c09e6ce68e3904406c26115c0a2 100644
--- a/var/spack/repos/builtin/packages/libxevie/package.py
+++ b/var/spack/repos/builtin/packages/libxevie/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxext/package.py b/var/spack/repos/builtin/packages/libxext/package.py
index 757ff2829f386befacebe9eaa1d1989bcb78d6d6..a4e7b9234c867a5d7d1d04cb1823de4e9c32677a 100644
--- a/var/spack/repos/builtin/packages/libxext/package.py
+++ b/var/spack/repos/builtin/packages/libxext/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxfixes/package.py b/var/spack/repos/builtin/packages/libxfixes/package.py
index cfea96a0674829dad822db78f6ec73d2604ed0ce..cfcaa5f4666dcb4ab1c0a9d4fb328845d191b005 100644
--- a/var/spack/repos/builtin/packages/libxfixes/package.py
+++ b/var/spack/repos/builtin/packages/libxfixes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxfont/package.py b/var/spack/repos/builtin/packages/libxfont/package.py
index c8266bb934b1a9b95bdf57fc7696ae0e05ccc61b..1fef06a9bb764db17c17a66dd424f2c9d74db3c2 100644
--- a/var/spack/repos/builtin/packages/libxfont/package.py
+++ b/var/spack/repos/builtin/packages/libxfont/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxfont2/package.py b/var/spack/repos/builtin/packages/libxfont2/package.py
index 2dd4b917625de4ba26bb95fa2966fb9ef9d7d339..ee3f0ac054c2b7c378ed0721ce16f680c21c52d1 100644
--- a/var/spack/repos/builtin/packages/libxfont2/package.py
+++ b/var/spack/repos/builtin/packages/libxfont2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxfontcache/package.py b/var/spack/repos/builtin/packages/libxfontcache/package.py
index 19b16e1c796268826c77ca6f6925434d00ad7538..a48a671dc1e1965c22e973cc8e79770437b0d1ef 100644
--- a/var/spack/repos/builtin/packages/libxfontcache/package.py
+++ b/var/spack/repos/builtin/packages/libxfontcache/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxft/package.py b/var/spack/repos/builtin/packages/libxft/package.py
index d1c44299e4dce6a5e6286f398d138e487d35289c..baa61ba7f01ac52cc0834975a2037599aa75e3ca 100644
--- a/var/spack/repos/builtin/packages/libxft/package.py
+++ b/var/spack/repos/builtin/packages/libxft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxi/package.py b/var/spack/repos/builtin/packages/libxi/package.py
index f2fc1b7930b929c806eb7626c571c2bde205be04..3c474aaf4ba5f19d58bee0d9d45ec7220944497e 100644
--- a/var/spack/repos/builtin/packages/libxi/package.py
+++ b/var/spack/repos/builtin/packages/libxi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxinerama/package.py b/var/spack/repos/builtin/packages/libxinerama/package.py
index 3d66fbf526346855e9818a92a66c4fbf6a174271..151d74eb792315cd52e5cd7ad698602d92e91d6b 100644
--- a/var/spack/repos/builtin/packages/libxinerama/package.py
+++ b/var/spack/repos/builtin/packages/libxinerama/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxkbcommon/package.py b/var/spack/repos/builtin/packages/libxkbcommon/package.py
index 630e8e6303577c92e63255de78d3027b181f671d..d864c4b7861c125381674bc63b81d8c2ced91e0e 100644
--- a/var/spack/repos/builtin/packages/libxkbcommon/package.py
+++ b/var/spack/repos/builtin/packages/libxkbcommon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxkbfile/package.py b/var/spack/repos/builtin/packages/libxkbfile/package.py
index e8b42ea30e0f47c71e9cc53a96f7b4be2e71dc12..e1730005f96a6e6ec480d4626b05ecb8af30743f 100644
--- a/var/spack/repos/builtin/packages/libxkbfile/package.py
+++ b/var/spack/repos/builtin/packages/libxkbfile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxkbui/package.py b/var/spack/repos/builtin/packages/libxkbui/package.py
index f31eb53d734b34ea5a68b866d9a7d4ecf953a45f..168fb2fa3da7bce86ed385a1b14b5c67d640f182 100644
--- a/var/spack/repos/builtin/packages/libxkbui/package.py
+++ b/var/spack/repos/builtin/packages/libxkbui/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxml2/package.py b/var/spack/repos/builtin/packages/libxml2/package.py
index 1faffe1351bb7fb8421191fa9a9809b40791a518..eb2409ebf297b3be7ddfdf95bc1955087c603168 100644
--- a/var/spack/repos/builtin/packages/libxml2/package.py
+++ b/var/spack/repos/builtin/packages/libxml2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxmu/package.py b/var/spack/repos/builtin/packages/libxmu/package.py
index 61506974716e45706bb7e797551a397e37a78b8f..854946016b88987903c1dfddc763ab002793ddfb 100644
--- a/var/spack/repos/builtin/packages/libxmu/package.py
+++ b/var/spack/repos/builtin/packages/libxmu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxp/package.py b/var/spack/repos/builtin/packages/libxp/package.py
index d0bd0d0462ba52b11f7515386d91b46ac8644a47..d5260e0039a718cf9e91272121ea9f4967c34400 100644
--- a/var/spack/repos/builtin/packages/libxp/package.py
+++ b/var/spack/repos/builtin/packages/libxp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxpm/package.py b/var/spack/repos/builtin/packages/libxpm/package.py
index c49594f5c708b69e5d90a53d4051af52b2430e50..6eb7b81af730972c2ea018e638462cb707c0edec 100644
--- a/var/spack/repos/builtin/packages/libxpm/package.py
+++ b/var/spack/repos/builtin/packages/libxpm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxpresent/package.py b/var/spack/repos/builtin/packages/libxpresent/package.py
index daea00bcf9938062931d9491ac46f622fe43e3ae..3dbc97145eaabbf3312d99971a8b18418b6ffa51 100644
--- a/var/spack/repos/builtin/packages/libxpresent/package.py
+++ b/var/spack/repos/builtin/packages/libxpresent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxprintapputil/package.py b/var/spack/repos/builtin/packages/libxprintapputil/package.py
index 579233bb1ce351b39af62309722bb4e009e167c4..a1207a43231398e66b31d93db3c6a745292b4259 100644
--- a/var/spack/repos/builtin/packages/libxprintapputil/package.py
+++ b/var/spack/repos/builtin/packages/libxprintapputil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxprintutil/package.py b/var/spack/repos/builtin/packages/libxprintutil/package.py
index 3385e7cd5e6612d9c2dbbd5f5cbacbce88c4f9e7..0bbb53d62fd3f23cb52651418f310c07e1570a42 100644
--- a/var/spack/repos/builtin/packages/libxprintutil/package.py
+++ b/var/spack/repos/builtin/packages/libxprintutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxrandr/package.py b/var/spack/repos/builtin/packages/libxrandr/package.py
index 331d213b3010eaeba6f5cbbdb1508899c770d8a5..29167ef0a1c567b21b447e55edd748fe53513334 100644
--- a/var/spack/repos/builtin/packages/libxrandr/package.py
+++ b/var/spack/repos/builtin/packages/libxrandr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxrender/package.py b/var/spack/repos/builtin/packages/libxrender/package.py
index 91c2ab76e5cafcf37d1372b99bc20fef6e95f279..ac46c46ce88d34e5df94ee6b1b3c36649bebd9da 100644
--- a/var/spack/repos/builtin/packages/libxrender/package.py
+++ b/var/spack/repos/builtin/packages/libxrender/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxres/package.py b/var/spack/repos/builtin/packages/libxres/package.py
index 1ab962e5c8aaf29099fe4fae989d748900405720..f5a8758d3d43aaf9c4fe113f75c39469f04622b4 100644
--- a/var/spack/repos/builtin/packages/libxres/package.py
+++ b/var/spack/repos/builtin/packages/libxres/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxscrnsaver/package.py b/var/spack/repos/builtin/packages/libxscrnsaver/package.py
index 9062c660bf4d92dc27449d36eca1476e1dea31a3..242ddbd50fb7396adc7140be246970709b91ff79 100644
--- a/var/spack/repos/builtin/packages/libxscrnsaver/package.py
+++ b/var/spack/repos/builtin/packages/libxscrnsaver/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxshmfence/package.py b/var/spack/repos/builtin/packages/libxshmfence/package.py
index b5ce7cfffd9239c2b19e22f7f794d3e2c0f54758..c0206fa59891b47db2fa77821798d9ccc4cd87bd 100644
--- a/var/spack/repos/builtin/packages/libxshmfence/package.py
+++ b/var/spack/repos/builtin/packages/libxshmfence/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxslt/package.py b/var/spack/repos/builtin/packages/libxslt/package.py
index c688fa8b872a37eebeb053c17e94387f4f5f8145..cdd361928f9d5d176c31fd5da3a2aa4f98c93b5f 100644
--- a/var/spack/repos/builtin/packages/libxslt/package.py
+++ b/var/spack/repos/builtin/packages/libxslt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxsmm/package.py b/var/spack/repos/builtin/packages/libxsmm/package.py
index 724718cd37e2420e14565af8453e515d4c5281d9..0786ec051c91e53444fc9f2ead0f07cd63839756 100644
--- a/var/spack/repos/builtin/packages/libxsmm/package.py
+++ b/var/spack/repos/builtin/packages/libxsmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/libxstream/package.py b/var/spack/repos/builtin/packages/libxstream/package.py
index 9a9171da59725e000140c5bf376ab3f2b92cc7e3..df27052dbc6cba944139b22f3808ac152d0c14a2 100644
--- a/var/spack/repos/builtin/packages/libxstream/package.py
+++ b/var/spack/repos/builtin/packages/libxstream/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxt/package.py b/var/spack/repos/builtin/packages/libxt/package.py
index 2b09c57de4faa7a1c52bda2e60f2c514cca3f00c..65746869a02eb903e357bf0a56a103eb41a532e2 100644
--- a/var/spack/repos/builtin/packages/libxt/package.py
+++ b/var/spack/repos/builtin/packages/libxt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxtrap/package.py b/var/spack/repos/builtin/packages/libxtrap/package.py
index 2d1786b349d767b2af6d2eea31b705b51124f380..9a7f3ac1ff1b3e954d352aa0462347e427217077 100644
--- a/var/spack/repos/builtin/packages/libxtrap/package.py
+++ b/var/spack/repos/builtin/packages/libxtrap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxtst/package.py b/var/spack/repos/builtin/packages/libxtst/package.py
index 5f773a85f1da90fd6f299c1650f56d23e5592512..2bd5d8cefdfbef8f36b0b3e1f7eb47489483e526 100644
--- a/var/spack/repos/builtin/packages/libxtst/package.py
+++ b/var/spack/repos/builtin/packages/libxtst/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxv/package.py b/var/spack/repos/builtin/packages/libxv/package.py
index 96f9d7ee0b48b17b72f00c4974b656a7dfde24a7..773f6eee2affe119de0a1cb97dfe6a2eadc74ae3 100644
--- a/var/spack/repos/builtin/packages/libxv/package.py
+++ b/var/spack/repos/builtin/packages/libxv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxvmc/package.py b/var/spack/repos/builtin/packages/libxvmc/package.py
index fd565e2550663f570f359e1fbb029c0a5afa1ffb..a3ca179a86e3632bf9e9d6f048ed6076b2a2de7e 100644
--- a/var/spack/repos/builtin/packages/libxvmc/package.py
+++ b/var/spack/repos/builtin/packages/libxvmc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxxf86dga/package.py b/var/spack/repos/builtin/packages/libxxf86dga/package.py
index 40c0e39fbbb83eb1a1d3290f7d13a07058ea4828..45ad7a154046f6118f36366b0875a51543e11b98 100644
--- a/var/spack/repos/builtin/packages/libxxf86dga/package.py
+++ b/var/spack/repos/builtin/packages/libxxf86dga/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxxf86misc/package.py b/var/spack/repos/builtin/packages/libxxf86misc/package.py
index 80aef4b1371253e605c50c536315dada63039fbf..a8abde1e66878dd8ff7db06b9b5e079ec01ec440 100644
--- a/var/spack/repos/builtin/packages/libxxf86misc/package.py
+++ b/var/spack/repos/builtin/packages/libxxf86misc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libxxf86vm/package.py b/var/spack/repos/builtin/packages/libxxf86vm/package.py
index 9477058377c8c0ac5bdf2675c5829e2c5caf4593..4ec5eae3e0704cafd1e7f4390136b9c397f7e42b 100644
--- a/var/spack/repos/builtin/packages/libxxf86vm/package.py
+++ b/var/spack/repos/builtin/packages/libxxf86vm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libyogrt/package.py b/var/spack/repos/builtin/packages/libyogrt/package.py
index 1542edde60b36635314355b1c711195cd4e33ff1..5d63913911408c05a13c315ed24156e336fc0a3f 100644
--- a/var/spack/repos/builtin/packages/libyogrt/package.py
+++ b/var/spack/repos/builtin/packages/libyogrt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/libzip/package.py b/var/spack/repos/builtin/packages/libzip/package.py
index 884d990ca07124551e191a8c74b00013899b2056..c40bc283e1749a11fbf9fdd880123d9ec161799f 100644
--- a/var/spack/repos/builtin/packages/libzip/package.py
+++ b/var/spack/repos/builtin/packages/libzip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lighttpd/package.py b/var/spack/repos/builtin/packages/lighttpd/package.py
index 92ddc4e0077e13ececcead80f24af1223aff95f3..7824d9392ba7197eb9bfb8a7980777c5a0283f0b 100644
--- a/var/spack/repos/builtin/packages/lighttpd/package.py
+++ b/var/spack/repos/builtin/packages/lighttpd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/likwid/package.py b/var/spack/repos/builtin/packages/likwid/package.py
index 913886c5eb973cfd99f500cdacb2b2e2d8407383..c7f8403f4753a9be9924b4a5e874c11e63b308e8 100644
--- a/var/spack/repos/builtin/packages/likwid/package.py
+++ b/var/spack/repos/builtin/packages/likwid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/linkphase3/package.py b/var/spack/repos/builtin/packages/linkphase3/package.py
index 25bc77dec3672e1fca44c867d7a5847976c5d359..2aed38c49c65f7d721c75cf4b786fe90eb71368f 100644
--- a/var/spack/repos/builtin/packages/linkphase3/package.py
+++ b/var/spack/repos/builtin/packages/linkphase3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/linux-headers/package.py b/var/spack/repos/builtin/packages/linux-headers/package.py
index 81d1c2f733f90603c483ab06c81d5f5329a0fed0..1ad8e9687ae3abc504b235e628cf00d64c1b6aab 100644
--- a/var/spack/repos/builtin/packages/linux-headers/package.py
+++ b/var/spack/repos/builtin/packages/linux-headers/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/listres/package.py b/var/spack/repos/builtin/packages/listres/package.py
index a41bf0643029e0854b6d411cdd93bdd646cbb68c..62a953fb6176acce911b6726e271e889180b5bf5 100644
--- a/var/spack/repos/builtin/packages/listres/package.py
+++ b/var/spack/repos/builtin/packages/listres/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/llvm-openmp-ompt/package.py b/var/spack/repos/builtin/packages/llvm-openmp-ompt/package.py
index 1b29312f7ea00b23650b2f4598b6131c4f80785c..bc274649f6e380423e7512a60fd4781f3493c53c 100644
--- a/var/spack/repos/builtin/packages/llvm-openmp-ompt/package.py
+++ b/var/spack/repos/builtin/packages/llvm-openmp-ompt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/llvm/package.py b/var/spack/repos/builtin/packages/llvm/package.py
index 9999b7913655600429b0fc0d2770f62d27be8ef1..7e4fba6662045740e3be8b9913f0493b070bc200 100644
--- a/var/spack/repos/builtin/packages/llvm/package.py
+++ b/var/spack/repos/builtin/packages/llvm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lmdb/package.py b/var/spack/repos/builtin/packages/lmdb/package.py
index 3553f063694e9de398e07a3f97d02e904a155111..2900dc6bd6167db0c55b6912809ae5b4b6f5a7ce 100644
--- a/var/spack/repos/builtin/packages/lmdb/package.py
+++ b/var/spack/repos/builtin/packages/lmdb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lmod/package.py b/var/spack/repos/builtin/packages/lmod/package.py
index 94a32593b0487d7dd02c0c68199bc16d9e5bf1c1..f9ba114cf798a2068dd0829a588d6a92e16963a7 100644
--- a/var/spack/repos/builtin/packages/lmod/package.py
+++ b/var/spack/repos/builtin/packages/lmod/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/lndir/package.py b/var/spack/repos/builtin/packages/lndir/package.py
index e9b708496e7b7951495c19cd9f138e66b791819b..35a2517af0faab5cb5e835c05a5274d1e577ce30 100644
--- a/var/spack/repos/builtin/packages/lndir/package.py
+++ b/var/spack/repos/builtin/packages/lndir/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/log4cplus/package.py b/var/spack/repos/builtin/packages/log4cplus/package.py
index d401d8eee0d1e9b9c069c611bf9159bb23edd906..d759f2f6d3635b12a969b15068a8eb058bcd65e8 100644
--- a/var/spack/repos/builtin/packages/log4cplus/package.py
+++ b/var/spack/repos/builtin/packages/log4cplus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/log4cxx/package.py b/var/spack/repos/builtin/packages/log4cxx/package.py
index f3372b3542b159fb2e8d0fc94cf3bfdbcbd84abf..a88e9cccbb7d66b0f72d2c4ff047813ecd54d990 100644
--- a/var/spack/repos/builtin/packages/log4cxx/package.py
+++ b/var/spack/repos/builtin/packages/log4cxx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/loki/package.py b/var/spack/repos/builtin/packages/loki/package.py
index 77f3e31f58077e684a05bebfc9a1c8d3e136278f..1f4cac66f0dbaa955d5834f996970ca6373d91c7 100644
--- a/var/spack/repos/builtin/packages/loki/package.py
+++ b/var/spack/repos/builtin/packages/loki/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lordec/package.py b/var/spack/repos/builtin/packages/lordec/package.py
index ba20910c0526e0102ac2a0467d01c2b8dacb3dec..f02ec371b2f6c8aceb044d324f2e4f183ee57bed 100644
--- a/var/spack/repos/builtin/packages/lordec/package.py
+++ b/var/spack/repos/builtin/packages/lordec/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lrslib/package.py b/var/spack/repos/builtin/packages/lrslib/package.py
index aa795f726bd61dda6bc36d077ab5bc6b8d38783a..05b7941fd961cf3f6f2b7bdf95cda4c97f1784f5 100644
--- a/var/spack/repos/builtin/packages/lrslib/package.py
+++ b/var/spack/repos/builtin/packages/lrslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/lrzip/package.py b/var/spack/repos/builtin/packages/lrzip/package.py
index 30aa0c40ccbdeefca506be2823a023c7dd252f79..bacc3a2f01367c0c36e58e0d5daf997912ea498d 100644
--- a/var/spack/repos/builtin/packages/lrzip/package.py
+++ b/var/spack/repos/builtin/packages/lrzip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lsof/package.py b/var/spack/repos/builtin/packages/lsof/package.py
index 8d63cc1b9707f265fb17190cde41629dde63a479..b03afeb00426364b3c78ebfa0b62ea09a8f304f2 100644
--- a/var/spack/repos/builtin/packages/lsof/package.py
+++ b/var/spack/repos/builtin/packages/lsof/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ltrace/package.py b/var/spack/repos/builtin/packages/ltrace/package.py
index e2bec7e38fbda4f18dae15509d279513ab3773ea..3e18f659eeb8c3296c5941d2e825972e3ee1e329 100644
--- a/var/spack/repos/builtin/packages/ltrace/package.py
+++ b/var/spack/repos/builtin/packages/ltrace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lua-bitlib/package.py b/var/spack/repos/builtin/packages/lua-bitlib/package.py
index 7d1bca3d357fc32a40bf10fe2355bc9d663a7ff9..55a04311c28a8012e981d2a586fd612a76b9a360 100644
--- a/var/spack/repos/builtin/packages/lua-bitlib/package.py
+++ b/var/spack/repos/builtin/packages/lua-bitlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/lua-jit/package.py b/var/spack/repos/builtin/packages/lua-jit/package.py
index c8b5179b0c97ba31c5d7ed50b5ae5f3935b76e7d..be3d28e4c849884c117aebe6732555b0b0db1a19 100644
--- a/var/spack/repos/builtin/packages/lua-jit/package.py
+++ b/var/spack/repos/builtin/packages/lua-jit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/lua-lpeg/package.py b/var/spack/repos/builtin/packages/lua-lpeg/package.py
index c62e70af38e49afe0a8553a2bb0796638c5510be..1d57d0bc9c4689592245a399850055633a1db996 100644
--- a/var/spack/repos/builtin/packages/lua-lpeg/package.py
+++ b/var/spack/repos/builtin/packages/lua-lpeg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/lua-luafilesystem/package.py b/var/spack/repos/builtin/packages/lua-luafilesystem/package.py
index 125c4e28907035d1f850707b5c57e0cc7978b1b6..1611a64b3a28fe2982331489109e3096443d57b3 100644
--- a/var/spack/repos/builtin/packages/lua-luafilesystem/package.py
+++ b/var/spack/repos/builtin/packages/lua-luafilesystem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lua-luaposix/package.py b/var/spack/repos/builtin/packages/lua-luaposix/package.py
index 4db3f8454602a70688159a73cf46ef7134d4c4c9..8d9ad7f83288d4ef8b6577aab9b32539ee4b8f79 100644
--- a/var/spack/repos/builtin/packages/lua-luaposix/package.py
+++ b/var/spack/repos/builtin/packages/lua-luaposix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/lua-mpack/package.py b/var/spack/repos/builtin/packages/lua-mpack/package.py
index b22d066a4dcc640ee1479467e31ffc6843594c0c..f6cca90e0df9dd9acd3ae49a0ae6b03ef97d19a1 100644
--- a/var/spack/repos/builtin/packages/lua-mpack/package.py
+++ b/var/spack/repos/builtin/packages/lua-mpack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/lua/package.py b/var/spack/repos/builtin/packages/lua/package.py
index b0f559db5012a0f8d5d7954af8091a8b1c61f3a3..ceb816a5d779d5a8c242b79ed7e003a670db2a3a 100644
--- a/var/spack/repos/builtin/packages/lua/package.py
+++ b/var/spack/repos/builtin/packages/lua/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/luit/package.py b/var/spack/repos/builtin/packages/luit/package.py
index 0c71a370ed8c76c1a07669d27963e9b47738c29b..4969375a1969200b57b6f4dabe089a96e62a1c34 100644
--- a/var/spack/repos/builtin/packages/luit/package.py
+++ b/var/spack/repos/builtin/packages/luit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lulesh/package.py b/var/spack/repos/builtin/packages/lulesh/package.py
index 1bf51282d59f99aa8f83fa59e741735cfac1a529..614d8cf933ba5e98f4f4c5fc166ab5b061832f48 100644
--- a/var/spack/repos/builtin/packages/lulesh/package.py
+++ b/var/spack/repos/builtin/packages/lulesh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lumpy-sv/package.py b/var/spack/repos/builtin/packages/lumpy-sv/package.py
index f7a29f36feb70ebfc745a237dde3f8863d71b7b1..709f7d0f4cd57ec18b34975aa2cf69d58ccadf24 100644
--- a/var/spack/repos/builtin/packages/lumpy-sv/package.py
+++ b/var/spack/repos/builtin/packages/lumpy-sv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lwgrp/package.py b/var/spack/repos/builtin/packages/lwgrp/package.py
index cc19174db34a411f9c6c16589afb1cff1898be16..76926714d1bd1649ca39ea048a821b2b76fee523 100644
--- a/var/spack/repos/builtin/packages/lwgrp/package.py
+++ b/var/spack/repos/builtin/packages/lwgrp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lwm2/package.py b/var/spack/repos/builtin/packages/lwm2/package.py
index 2190529f8c1313f91cbfcf1042174aeacde3252f..58c6d73f94cfd52cd7effa822b3da2f46783386f 100644
--- a/var/spack/repos/builtin/packages/lwm2/package.py
+++ b/var/spack/repos/builtin/packages/lwm2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lz4/package.py b/var/spack/repos/builtin/packages/lz4/package.py
index d5e915a05b36fbca5f0f8303d9cb10aeea2e0510..2a64a3cdf20c92ace2d8a021b9c942cc23fbcad1 100644
--- a/var/spack/repos/builtin/packages/lz4/package.py
+++ b/var/spack/repos/builtin/packages/lz4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/lzma/package.py b/var/spack/repos/builtin/packages/lzma/package.py
index 1f0996897cc045ea048803e334d6bb956446f3ca..a5abb82ff7e037a1afc8dbca8ba7d81f8008a83e 100644
--- a/var/spack/repos/builtin/packages/lzma/package.py
+++ b/var/spack/repos/builtin/packages/lzma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/lzo/package.py b/var/spack/repos/builtin/packages/lzo/package.py
index c67846b54ec16c2ebb3f864747e792e0227f0858..f5b4fe80601fe6be02a5c94576b2e3ce98079c05 100644
--- a/var/spack/repos/builtin/packages/lzo/package.py
+++ b/var/spack/repos/builtin/packages/lzo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/m4/package.py b/var/spack/repos/builtin/packages/m4/package.py
index ac716cf6229d8ce65848c20977285dae46d7e778..926758a766314c67f09739778ebc5580c695bf71 100644
--- a/var/spack/repos/builtin/packages/m4/package.py
+++ b/var/spack/repos/builtin/packages/m4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/macsio/package.py b/var/spack/repos/builtin/packages/macsio/package.py
index 7539f6341a75c11b8976b12b5984c790edc21929..09d4f50c50d55ab64a8bd3a29ebf66c966847507 100644
--- a/var/spack/repos/builtin/packages/macsio/package.py
+++ b/var/spack/repos/builtin/packages/macsio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mad-numdiff/package.py b/var/spack/repos/builtin/packages/mad-numdiff/package.py
index 6003072b2b205696ca178e21d153a0dbbdc8d9be..660fe0320386094ec46c60ceea521a6f83b64fcf 100644
--- a/var/spack/repos/builtin/packages/mad-numdiff/package.py
+++ b/var/spack/repos/builtin/packages/mad-numdiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/mafft/package.py b/var/spack/repos/builtin/packages/mafft/package.py
index 7436922331f71125f114d052d1f96e3c9435ba02..f2b75416bf911472c2e1caf619b8257148057e52 100644
--- a/var/spack/repos/builtin/packages/mafft/package.py
+++ b/var/spack/repos/builtin/packages/mafft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/magics/package.py b/var/spack/repos/builtin/packages/magics/package.py
index 661de3dc84843e1b20e50565a7df1c8ff452d6a4..bd35327480fe70430163600dd32565b7ba230dd1 100644
--- a/var/spack/repos/builtin/packages/magics/package.py
+++ b/var/spack/repos/builtin/packages/magics/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/magma/package.py b/var/spack/repos/builtin/packages/magma/package.py
index 7c866a90c6023ae1791832ee8ced5eb016bb27f0..7a28a3bd85edf5aea7c3bf14d2372bb07a9384aa 100644
--- a/var/spack/repos/builtin/packages/magma/package.py
+++ b/var/spack/repos/builtin/packages/magma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Serban Maerean, serban@us.ibm.com, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/makedepend/package.py b/var/spack/repos/builtin/packages/makedepend/package.py
index 7f941fca30c1a0a3d5339d17399d5f6b02ee7591..9dd5ea50f5f20dab47623f6d25a6b5e8035b9549 100644
--- a/var/spack/repos/builtin/packages/makedepend/package.py
+++ b/var/spack/repos/builtin/packages/makedepend/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mallocmc/package.py b/var/spack/repos/builtin/packages/mallocmc/package.py
index 5ecde7396730af20b1068f5e9ee6b2b7343507a5..d5d4faa21c1776ce301cc8affee47b4997e67438 100644
--- a/var/spack/repos/builtin/packages/mallocmc/package.py
+++ b/var/spack/repos/builtin/packages/mallocmc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/man-db/package.py b/var/spack/repos/builtin/packages/man-db/package.py
index 98af02397fdec1c4d5e31a5e616b7caea9cc1efd..634815260d33c324c58adae8b5a56742ab1c835e 100644
--- a/var/spack/repos/builtin/packages/man-db/package.py
+++ b/var/spack/repos/builtin/packages/man-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/manta/package.py b/var/spack/repos/builtin/packages/manta/package.py
index 5a0afd9c32cf7110f7554169ecf6af33391c99f5..74f717920a41caa84db23125b0284c3c4ef02215 100644
--- a/var/spack/repos/builtin/packages/manta/package.py
+++ b/var/spack/repos/builtin/packages/manta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/maq/package.py b/var/spack/repos/builtin/packages/maq/package.py
index 3acf74a7ce7663064fa250871f4f17de3c6af8f8..222b56827dfc0dbc6a58891cf67c9b89d9739822 100644
--- a/var/spack/repos/builtin/packages/maq/package.py
+++ b/var/spack/repos/builtin/packages/maq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mariadb/package.py b/var/spack/repos/builtin/packages/mariadb/package.py
index 931449375f785e5d7195ca08bcc5be10693e7e7b..c2ec90f2997e2525c5fc0f9293142fa62be327cd 100644
--- a/var/spack/repos/builtin/packages/mariadb/package.py
+++ b/var/spack/repos/builtin/packages/mariadb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/masa/package.py b/var/spack/repos/builtin/packages/masa/package.py
index 622626d5193a1ba758cae4f46a68545b381fc32d..a269d0362c802cf9152b20905a1c9a74a1ee8b17 100644
--- a/var/spack/repos/builtin/packages/masa/package.py
+++ b/var/spack/repos/builtin/packages/masa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/masurca/package.py b/var/spack/repos/builtin/packages/masurca/package.py
index a1786cd7f3604cb51380a9409bd8cb08f4ff096e..4aeb00e0dd1ac80c4ea18458569c3623d6bffcdf 100644
--- a/var/spack/repos/builtin/packages/masurca/package.py
+++ b/var/spack/repos/builtin/packages/masurca/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/matio/package.py b/var/spack/repos/builtin/packages/matio/package.py
index 6483d21be5b8524831936f6ed96d9f15ffb3fa99..89be61524443d67a64bfd24aae99fb6996de7238 100644
--- a/var/spack/repos/builtin/packages/matio/package.py
+++ b/var/spack/repos/builtin/packages/matio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/matlab/package.py b/var/spack/repos/builtin/packages/matlab/package.py
index 652a583e356e333a299d1196e7d3380edd8a3459..d9f3a9476caebf5849825d8f2581c19996a1a4d1 100644
--- a/var/spack/repos/builtin/packages/matlab/package.py
+++ b/var/spack/repos/builtin/packages/matlab/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import subprocess
diff --git a/var/spack/repos/builtin/packages/maven/package.py b/var/spack/repos/builtin/packages/maven/package.py
index abd4cca16cfbcdbef3e43f01f4dc7bb0ed173331..58cfe004d7a5f495c1b6df44a9a5a408b220f30a 100644
--- a/var/spack/repos/builtin/packages/maven/package.py
+++ b/var/spack/repos/builtin/packages/maven/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/maverick/package.py b/var/spack/repos/builtin/packages/maverick/package.py
index ee80594b6755d4125aad20de711b0855bf712f08..047540cce1ae76454cb90529b0715fea1aecf61f 100644
--- a/var/spack/repos/builtin/packages/maverick/package.py
+++ b/var/spack/repos/builtin/packages/maverick/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mawk/package.py b/var/spack/repos/builtin/packages/mawk/package.py
index 572089b66ccc15e30b9d4ef7bb11819f854f84f9..864e76b8f3e03cf81bd1145d6aab39d252a50bb8 100644
--- a/var/spack/repos/builtin/packages/mawk/package.py
+++ b/var/spack/repos/builtin/packages/mawk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mbedtls/package.py b/var/spack/repos/builtin/packages/mbedtls/package.py
index 6fd7e66a2fd98e380567153edf800634edd1fe0c..f6ea6c5dbebbd2aa7ed57321b68eafa3f0de6d4d 100644
--- a/var/spack/repos/builtin/packages/mbedtls/package.py
+++ b/var/spack/repos/builtin/packages/mbedtls/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mc/package.py b/var/spack/repos/builtin/packages/mc/package.py
index f5cc3249ffc228240995b2dca90c10022ee82323..38037f17077e51cf76d47a28500533672df80d66 100644
--- a/var/spack/repos/builtin/packages/mc/package.py
+++ b/var/spack/repos/builtin/packages/mc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mcl/package.py b/var/spack/repos/builtin/packages/mcl/package.py
index 224539bdf163e08e361dfdf5b7294cb533a13bae..91352caac2febe3364e16ef7b08866b5e17bce5a 100644
--- a/var/spack/repos/builtin/packages/mcl/package.py
+++ b/var/spack/repos/builtin/packages/mcl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mdtest/package.py b/var/spack/repos/builtin/packages/mdtest/package.py
index 25068478e58ccab2fc6cb6bd20557d0e2af262e4..56bede2f87ef9906a10548cf85258525f9a5e4fc 100644
--- a/var/spack/repos/builtin/packages/mdtest/package.py
+++ b/var/spack/repos/builtin/packages/mdtest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/med/package.py b/var/spack/repos/builtin/packages/med/package.py
index 353ed091aae0ea84eb2b6be6d31ac43fa25fe1b3..95d3794cedddbeb6ad22f6e3e34a06ada3f712e6 100644
--- a/var/spack/repos/builtin/packages/med/package.py
+++ b/var/spack/repos/builtin/packages/med/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/meep/package.py b/var/spack/repos/builtin/packages/meep/package.py
index 8af280f2a222fca6776ce2f1d2ad7f344ae177f3..3a125c8bb9acf0fc9bc2740ca40d6f6f5b25164e 100644
--- a/var/spack/repos/builtin/packages/meep/package.py
+++ b/var/spack/repos/builtin/packages/meep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mefit/package.py b/var/spack/repos/builtin/packages/mefit/package.py
index 61e74dfbbecf5e44b183868266af6a5741d4311c..ce21fc926168d4131800b2c35f9208b38901f1f8 100644
--- a/var/spack/repos/builtin/packages/mefit/package.py
+++ b/var/spack/repos/builtin/packages/mefit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/megahit/package.py b/var/spack/repos/builtin/packages/megahit/package.py
index 3ffcdfb86ebd3237fb0307ab9ba36094b4c880e9..d753c611ab0775a7f29e1a076e674a1e4ee0ad3a 100644
--- a/var/spack/repos/builtin/packages/megahit/package.py
+++ b/var/spack/repos/builtin/packages/megahit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/memaxes/package.py b/var/spack/repos/builtin/packages/memaxes/package.py
index f3c4e10ebf551001308ad6a5085e307b082f7f5f..3b5e7f8733d48f7a832d15edc10063aea133c09c 100644
--- a/var/spack/repos/builtin/packages/memaxes/package.py
+++ b/var/spack/repos/builtin/packages/memaxes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/meme/package.py b/var/spack/repos/builtin/packages/meme/package.py
index 5bd954dd9ec02f1accb51e5668ebb5ffd1fa1bb3..b7b66f3b049e8925672f3d8856c31c0086666ce6 100644
--- a/var/spack/repos/builtin/packages/meme/package.py
+++ b/var/spack/repos/builtin/packages/meme/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/memkind/package.py b/var/spack/repos/builtin/packages/memkind/package.py
index 6c27e62a03ffd404e0c2382734aa7154425ee963..097a642f1373e2a0833bf444cfad3c99b21cac68 100644
--- a/var/spack/repos/builtin/packages/memkind/package.py
+++ b/var/spack/repos/builtin/packages/memkind/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/meraculous/package.py b/var/spack/repos/builtin/packages/meraculous/package.py
index 0fe382d9eb9b688a3dcabdb8b173b167dcf85046..cb9c96eff7699fcf37bb2e0d3ec2ff5663d05f0c 100644
--- a/var/spack/repos/builtin/packages/meraculous/package.py
+++ b/var/spack/repos/builtin/packages/meraculous/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mercurial/package.py b/var/spack/repos/builtin/packages/mercurial/package.py
index aca0d9af6edcb2faa01a60246147296e346b8b87..aaabdd6c01547acd9f338e032f78131670200c3a 100644
--- a/var/spack/repos/builtin/packages/mercurial/package.py
+++ b/var/spack/repos/builtin/packages/mercurial/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from llnl.util import tty
 
diff --git a/var/spack/repos/builtin/packages/mesa-glu/package.py b/var/spack/repos/builtin/packages/mesa-glu/package.py
index 39b56a37e9dfb28254c80bdead5aa6230b3516c0..efd45dfa3958d7b665d3d918401f0f0763ba3c1c 100644
--- a/var/spack/repos/builtin/packages/mesa-glu/package.py
+++ b/var/spack/repos/builtin/packages/mesa-glu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mesa/package.py b/var/spack/repos/builtin/packages/mesa/package.py
index 884d80857ad822a4085cfd971a56d83f9962ef3c..9dfe46cd3b54774a0818722248887854656cb2fe 100644
--- a/var/spack/repos/builtin/packages/mesa/package.py
+++ b/var/spack/repos/builtin/packages/mesa/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/meshkit/package.py b/var/spack/repos/builtin/packages/meshkit/package.py
index 3225bd1133aedec17dfc4c5b65521d7c0d21c710..9ed67edc9623fe01b4daf5f7b637bff5c97efb07 100644
--- a/var/spack/repos/builtin/packages/meshkit/package.py
+++ b/var/spack/repos/builtin/packages/meshkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/meson/package.py b/var/spack/repos/builtin/packages/meson/package.py
index 37be41030a00e9f6a4185c82d5585f72f4403783..7ede3c996d2e22a9e86952888aef9c7f1a7bb77a 100644
--- a/var/spack/repos/builtin/packages/meson/package.py
+++ b/var/spack/repos/builtin/packages/meson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/mesquite/package.py b/var/spack/repos/builtin/packages/mesquite/package.py
index 8db96cb6a946ce08e2509674b3967d0823ffae77..2abaa589b9f104c0e986b7408724f13f01510a07 100644
--- a/var/spack/repos/builtin/packages/mesquite/package.py
+++ b/var/spack/repos/builtin/packages/mesquite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/metabat/package.py b/var/spack/repos/builtin/packages/metabat/package.py
index 3d00c2dbe60ba6ea79ee3aa584098cdad8f32d87..d8be2b90ecd13b5b803c55d8483d2d5454f2dcca 100644
--- a/var/spack/repos/builtin/packages/metabat/package.py
+++ b/var/spack/repos/builtin/packages/metabat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/metaphysicl/package.py b/var/spack/repos/builtin/packages/metaphysicl/package.py
index 98e28ce5a232a6873e0a5dd469a6197ae650e2ba..bfa0157cadb3acf444636236d46dda7e0bf68c58 100644
--- a/var/spack/repos/builtin/packages/metaphysicl/package.py
+++ b/var/spack/repos/builtin/packages/metaphysicl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/metis/package.py b/var/spack/repos/builtin/packages/metis/package.py
index 65a32662bcc3dd304bbeaff22175dc5f4664aa26..ad03293d29180aaef0564af06cefad05fd1b8ee5 100644
--- a/var/spack/repos/builtin/packages/metis/package.py
+++ b/var/spack/repos/builtin/packages/metis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import glob
diff --git a/var/spack/repos/builtin/packages/mfem/package.py b/var/spack/repos/builtin/packages/mfem/package.py
index 7d76ee8db939c1cb08d1d26e72889a19eb3c099b..d6f55b6566c3f0a87ea0c49577d8ff0bca7024c9 100644
--- a/var/spack/repos/builtin/packages/mfem/package.py
+++ b/var/spack/repos/builtin/packages/mfem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import shutil
diff --git a/var/spack/repos/builtin/packages/microbiomeutil/package.py b/var/spack/repos/builtin/packages/microbiomeutil/package.py
index e46498eb7649b4984b9ad7d2b562599eeeaa079b..64952c616567f91e35db2a954ca401b78ecccb23 100644
--- a/var/spack/repos/builtin/packages/microbiomeutil/package.py
+++ b/var/spack/repos/builtin/packages/microbiomeutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minced/package.py b/var/spack/repos/builtin/packages/minced/package.py
index fa4eba232d2166dc1ce340755ce8f517183a52cf..c237ad27372302a985133d1bcbec659bee9adb13 100644
--- a/var/spack/repos/builtin/packages/minced/package.py
+++ b/var/spack/repos/builtin/packages/minced/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mindthegap/package.py b/var/spack/repos/builtin/packages/mindthegap/package.py
index 9bc8e5a1a7bee02755e8aee2021c948749be15d8..11dbdb8ac530f034e2ed4833aef6662fe64b3860 100644
--- a/var/spack/repos/builtin/packages/mindthegap/package.py
+++ b/var/spack/repos/builtin/packages/mindthegap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/miniaero/package.py b/var/spack/repos/builtin/packages/miniaero/package.py
index cc7ec4e4b2d29c541b13303c43758c91d2b44c66..46907a0fc82abd68ac28eac0457d6921886db06e 100644
--- a/var/spack/repos/builtin/packages/miniaero/package.py
+++ b/var/spack/repos/builtin/packages/miniaero/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/miniamr/package.py b/var/spack/repos/builtin/packages/miniamr/package.py
index cc97e0e3e519ae8ebdd9d159d86dea91ec0278ec..0a0147e50e999a7a5bfcab28ae34860baad0f994 100644
--- a/var/spack/repos/builtin/packages/miniamr/package.py
+++ b/var/spack/repos/builtin/packages/miniamr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/miniasm/package.py b/var/spack/repos/builtin/packages/miniasm/package.py
index 5f6444f741bdca31dc9b1208d576ead3ff354f43..8c32b90555c8ffed7cbf2595fd0f221eee184597 100644
--- a/var/spack/repos/builtin/packages/miniasm/package.py
+++ b/var/spack/repos/builtin/packages/miniasm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/miniconda2/package.py b/var/spack/repos/builtin/packages/miniconda2/package.py
index a111b1c1508406cd1f38ec3f009e07d707794f39..2ac86588c981279e4e8cb3c62e22c4a7af5ddb07 100644
--- a/var/spack/repos/builtin/packages/miniconda2/package.py
+++ b/var/spack/repos/builtin/packages/miniconda2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from six.moves.urllib.parse import urlparse
 from os.path import split
diff --git a/var/spack/repos/builtin/packages/miniconda3/package.py b/var/spack/repos/builtin/packages/miniconda3/package.py
index 24f610889b1dfc0a96fe976e2cbd8bf6ac148fc6..c7c210f0ca8ea790f5d31ec36b37ab7a9618ddd0 100644
--- a/var/spack/repos/builtin/packages/miniconda3/package.py
+++ b/var/spack/repos/builtin/packages/miniconda3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from six.moves.urllib.parse import urlparse
 from os.path import split
diff --git a/var/spack/repos/builtin/packages/minife/package.py b/var/spack/repos/builtin/packages/minife/package.py
index bce74edf57a4085c0dd98ca9e0652ab8b76dfd6b..00279455d3c98255dc6cdff29a6cc85db9383b4e 100644
--- a/var/spack/repos/builtin/packages/minife/package.py
+++ b/var/spack/repos/builtin/packages/minife/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minighost/package.py b/var/spack/repos/builtin/packages/minighost/package.py
index 764a15012a2f69522b6fc5c45682c5417f6fc269..c4cf78f5a93c900376c0008526d6af4b50a3a087 100644
--- a/var/spack/repos/builtin/packages/minighost/package.py
+++ b/var/spack/repos/builtin/packages/minighost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import tarfile
 
diff --git a/var/spack/repos/builtin/packages/minigmg/package.py b/var/spack/repos/builtin/packages/minigmg/package.py
index 6dc929507862d8959a39b7e6a5a8fd61e920626b..730ae4df5c8fa611a23d66d043ef55b5391dbfa5 100644
--- a/var/spack/repos/builtin/packages/minigmg/package.py
+++ b/var/spack/repos/builtin/packages/minigmg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/minimap2/package.py b/var/spack/repos/builtin/packages/minimap2/package.py
index c212826a2ded918b402752835c206d413d533607..92da1ac170603fc4d20db9c6cff2c79a6b74a478 100644
--- a/var/spack/repos/builtin/packages/minimap2/package.py
+++ b/var/spack/repos/builtin/packages/minimap2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minimd/package.py b/var/spack/repos/builtin/packages/minimd/package.py
index 2cc7c1c96d22268aaf663e942f049fb125d9d468..34192f64d248d0cb720b46d111fb6bc8bcd76ff3 100644
--- a/var/spack/repos/builtin/packages/minimd/package.py
+++ b/var/spack/repos/builtin/packages/minimd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import glob
 import tarfile
diff --git a/var/spack/repos/builtin/packages/miniqmc/package.py b/var/spack/repos/builtin/packages/miniqmc/package.py
index 974b1f9b86ff325ab63f09697578c3f374b9f653..f243b6a8fb519efa7cf7a30c0331287f8931c589 100644
--- a/var/spack/repos/builtin/packages/miniqmc/package.py
+++ b/var/spack/repos/builtin/packages/miniqmc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minisign/package.py b/var/spack/repos/builtin/packages/minisign/package.py
index 816139a1f98291cf29c9e40586bae1733b4542cd..a380fedd1534a6ff639a476103473d506400bd3f 100755
--- a/var/spack/repos/builtin/packages/minisign/package.py
+++ b/var/spack/repos/builtin/packages/minisign/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minismac2d/package.py b/var/spack/repos/builtin/packages/minismac2d/package.py
index bffed5922765a8565bdf0efe3981182d816fed92..e7933378680e12de9f6310a8172f6c5919eee054 100644
--- a/var/spack/repos/builtin/packages/minismac2d/package.py
+++ b/var/spack/repos/builtin/packages/minismac2d/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/minitri/package.py b/var/spack/repos/builtin/packages/minitri/package.py
index b985b39b74d3ffcdc55e20003d0a3cc9377bd937..570d4b44a4cbc920396e56048e71257b83b745d9 100644
--- a/var/spack/repos/builtin/packages/minitri/package.py
+++ b/var/spack/repos/builtin/packages/minitri/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minivite/package.py b/var/spack/repos/builtin/packages/minivite/package.py
index ca613929b25f9a1574c0429857a35eba7c58af6b..f39a6f4f5e9b181953e54d3e2fde04b369fe4fb4 100644
--- a/var/spack/repos/builtin/packages/minivite/package.py
+++ b/var/spack/repos/builtin/packages/minivite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 0s2111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/minixyce/package.py b/var/spack/repos/builtin/packages/minixyce/package.py
index 0108fbaaa0d709f05a3c5ec6f97d11e15144dac8..b014203cc5d4014638038eb099dd1d27c4a7444b 100644
--- a/var/spack/repos/builtin/packages/minixyce/package.py
+++ b/var/spack/repos/builtin/packages/minixyce/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/minuit/package.py b/var/spack/repos/builtin/packages/minuit/package.py
index 9b14aee8a1664288684c8756f9b1652cc778171d..54b46448660a44a2f49a231ba00e188ae9765b2e 100644
--- a/var/spack/repos/builtin/packages/minuit/package.py
+++ b/var/spack/repos/builtin/packages/minuit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mira/package.py b/var/spack/repos/builtin/packages/mira/package.py
index bbcebf91548f8203f4be46370b4de9aba0262471..f842ed8860c294bb5fffa078f98252a6def1818c 100644
--- a/var/spack/repos/builtin/packages/mira/package.py
+++ b/var/spack/repos/builtin/packages/mira/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mirdeep2/package.py b/var/spack/repos/builtin/packages/mirdeep2/package.py
index 02218c4da432a3515c75eae7c9c9e18bcd5a01f9..cf857057500c6dd857abd9bb25dcc7dc086f78b9 100644
--- a/var/spack/repos/builtin/packages/mirdeep2/package.py
+++ b/var/spack/repos/builtin/packages/mirdeep2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/mitofates/package.py b/var/spack/repos/builtin/packages/mitofates/package.py
index 4dff8ff5c043648cf9990dda148aa906ff8a6a25..beefab38e1d499ecf05bf38e7a77efc6792594fb 100644
--- a/var/spack/repos/builtin/packages/mitofates/package.py
+++ b/var/spack/repos/builtin/packages/mitofates/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/mitos/package.py b/var/spack/repos/builtin/packages/mitos/package.py
index 4c998f5541b7ffcc66bc8535ad475edd3cdf9b99..bfefd762e941652b43b82a935b1345e88a2b07bd 100644
--- a/var/spack/repos/builtin/packages/mitos/package.py
+++ b/var/spack/repos/builtin/packages/mitos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mkfontdir/package.py b/var/spack/repos/builtin/packages/mkfontdir/package.py
index 404a1cecc7c5793be25bc66b757b25b2a05429f0..1a907d79ce04074e2a77b9b0d1024d86e3f8bb36 100644
--- a/var/spack/repos/builtin/packages/mkfontdir/package.py
+++ b/var/spack/repos/builtin/packages/mkfontdir/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mkfontscale/package.py b/var/spack/repos/builtin/packages/mkfontscale/package.py
index ca8d77ef3670adf8edf82cf5d902a88a020ab2e1..b1ad4f492c365ad884efb1f4ef213ef6d8385e2a 100644
--- a/var/spack/repos/builtin/packages/mkfontscale/package.py
+++ b/var/spack/repos/builtin/packages/mkfontscale/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mlhka/package.py b/var/spack/repos/builtin/packages/mlhka/package.py
index 9d76b3df791fbb2b8295f75603896aec9d90fa33..303c868ba3e640ab629d8822c8a5661cd02fd013 100644
--- a/var/spack/repos/builtin/packages/mlhka/package.py
+++ b/var/spack/repos/builtin/packages/mlhka/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/moab/package.py b/var/spack/repos/builtin/packages/moab/package.py
index d0b1761fcd305b4386a1349d806d4d30f6d6ce39..0f7bad21432fba6851eafbabec3009c83c2cae10 100644
--- a/var/spack/repos/builtin/packages/moab/package.py
+++ b/var/spack/repos/builtin/packages/moab/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/modern-wheel/package.py b/var/spack/repos/builtin/packages/modern-wheel/package.py
index 2ebd06bcc9b91b09b7c088d49883ee663ebb648c..4e3b9b83227bb81907ced9700ea84c3c5d592d1a 100644
--- a/var/spack/repos/builtin/packages/modern-wheel/package.py
+++ b/var/spack/repos/builtin/packages/modern-wheel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/mofem-cephas/package.py b/var/spack/repos/builtin/packages/mofem-cephas/package.py
index 01b2d36fb9d7a84c9dc0d205d98526c581cdcecc..7ddacfb780cb57ba6e35be9e535520681bff9e75 100644
--- a/var/spack/repos/builtin/packages/mofem-cephas/package.py
+++ b/var/spack/repos/builtin/packages/mofem-cephas/package.py
@@ -1,24 +1,8 @@
-##############################################################################
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/mofem-fracture-module/package.py b/var/spack/repos/builtin/packages/mofem-fracture-module/package.py
index fde8de5b9478fea3f49e22cc107ef6fddca6f30f..f573d7def19e870ed5204918682ce450c92ad97a 100644
--- a/var/spack/repos/builtin/packages/mofem-fracture-module/package.py
+++ b/var/spack/repos/builtin/packages/mofem-fracture-module/package.py
@@ -1,24 +1,8 @@
-##############################################################################
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/mofem-minimal-surface-equation/package.py b/var/spack/repos/builtin/packages/mofem-minimal-surface-equation/package.py
index 7a7457d61c07563bfa292f902fac819618975b00..b967a45e7ffb504906dd9b50e609139c43d0755c 100644
--- a/var/spack/repos/builtin/packages/mofem-minimal-surface-equation/package.py
+++ b/var/spack/repos/builtin/packages/mofem-minimal-surface-equation/package.py
@@ -1,24 +1,8 @@
-##############################################################################
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/mofem-users-modules/package.py b/var/spack/repos/builtin/packages/mofem-users-modules/package.py
index acab4417d8174133669b879500270161e72bf65c..8ddec392d08c11500519b196842a5f5b76ddaebe 100644
--- a/var/spack/repos/builtin/packages/mofem-users-modules/package.py
+++ b/var/spack/repos/builtin/packages/mofem-users-modules/package.py
@@ -1,24 +1,8 @@
-##############################################################################
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/molcas/package.py b/var/spack/repos/builtin/packages/molcas/package.py
index 80b27f3715599ebd915816d9d5c243be5c76671b..38d7c1be2dae7192ebe896fc07f5dbb145907378 100644
--- a/var/spack/repos/builtin/packages/molcas/package.py
+++ b/var/spack/repos/builtin/packages/molcas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/mono/package.py b/var/spack/repos/builtin/packages/mono/package.py
index 182a3cf96b7e905b0a2fa5256134325a3346fb41..b3a7161b4d0cf100b81e14aa8d9b6e3517dfdde7 100644
--- a/var/spack/repos/builtin/packages/mono/package.py
+++ b/var/spack/repos/builtin/packages/mono/package.py
@@ -1,27 +1,8 @@
-###############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mosh/package.py b/var/spack/repos/builtin/packages/mosh/package.py
index df091b1ad8a5e02e465843e0229859558ebe2443..23d9cd0f1cbce68015d6f78483d3ba8c5fec32ba 100644
--- a/var/spack/repos/builtin/packages/mosh/package.py
+++ b/var/spack/repos/builtin/packages/mosh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mothur/package.py b/var/spack/repos/builtin/packages/mothur/package.py
index f3873b05f83bca721228af46495312a7f87b380f..ad666490253043d553f5a8945f2c92898eabf636 100644
--- a/var/spack/repos/builtin/packages/mothur/package.py
+++ b/var/spack/repos/builtin/packages/mothur/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/motif/package.py b/var/spack/repos/builtin/packages/motif/package.py
index efbd76727313c72edd67709de96a0f8fc9434221..fdafcc065a2583e01295e20fa6ab6716dfbddc0a 100644
--- a/var/spack/repos/builtin/packages/motif/package.py
+++ b/var/spack/repos/builtin/packages/motif/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/motioncor2/package.py b/var/spack/repos/builtin/packages/motioncor2/package.py
index 08351e08381418ac3a40d55f54610d0d7782af81..91f1a493ce96902f2e363eb46fb89ae5679f083c 100644
--- a/var/spack/repos/builtin/packages/motioncor2/package.py
+++ b/var/spack/repos/builtin/packages/motioncor2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/mount-point-attributes/package.py b/var/spack/repos/builtin/packages/mount-point-attributes/package.py
index c2ac3c8ee212dd9542320fa1314866026d357573..1a82e18b6c6d53368c931f917a59ea5ab12aabb6 100644
--- a/var/spack/repos/builtin/packages/mount-point-attributes/package.py
+++ b/var/spack/repos/builtin/packages/mount-point-attributes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mozjs/package.py b/var/spack/repos/builtin/packages/mozjs/package.py
index d3fbae2c84b2f2a1682cc2c768d5cbce7a9f9077..08c467b7632f5cb95c78ad876ed29b767df3782e 100644
--- a/var/spack/repos/builtin/packages/mozjs/package.py
+++ b/var/spack/repos/builtin/packages/mozjs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpark-variant/package.py b/var/spack/repos/builtin/packages/mpark-variant/package.py
index 2cab0222be8b10ce44e45d3708cd0b3f52f6d086..ad1704d6f7229fd412a06696b4e31c21023f3e50 100644
--- a/var/spack/repos/builtin/packages/mpark-variant/package.py
+++ b/var/spack/repos/builtin/packages/mpark-variant/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpc/package.py b/var/spack/repos/builtin/packages/mpc/package.py
index e7b591c0feeeb70c8b79a1ed8304ace410f8004d..1e1763d0df0d1a21f8e5bf3470e1b5c9c8378746 100644
--- a/var/spack/repos/builtin/packages/mpc/package.py
+++ b/var/spack/repos/builtin/packages/mpc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpe2/package.py b/var/spack/repos/builtin/packages/mpe2/package.py
index 43d2275ae1169239264a81a1b2c90342fe7f9c30..470a29d8b2c6791c3aeaa8be7145a04668d046d2 100644
--- a/var/spack/repos/builtin/packages/mpe2/package.py
+++ b/var/spack/repos/builtin/packages/mpe2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpest/package.py b/var/spack/repos/builtin/packages/mpest/package.py
index 56d9c4a1b8ed766573c463d5459b575771a0cc5e..25e7e4f156d387b0553d49ef9ba9b7d9cb573d41 100644
--- a/var/spack/repos/builtin/packages/mpest/package.py
+++ b/var/spack/repos/builtin/packages/mpest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpfr/package.py b/var/spack/repos/builtin/packages/mpfr/package.py
index 3b385aabe58ad486eaea1904311b6fa3ff1edaa4..3ddf429f521a9988bb8553e042c0038ecefe9d85 100644
--- a/var/spack/repos/builtin/packages/mpfr/package.py
+++ b/var/spack/repos/builtin/packages/mpfr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpibash/package.py b/var/spack/repos/builtin/packages/mpibash/package.py
index fe586925d83ab0e880c71b2b67bd77585f7b38dd..f4157ca66f75e653b8f768a4f1e0a419c9befd13 100644
--- a/var/spack/repos/builtin/packages/mpibash/package.py
+++ b/var/spack/repos/builtin/packages/mpibash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpiblast/package.py b/var/spack/repos/builtin/packages/mpiblast/package.py
index b531af8c574be2ef24c4309af2ae701355f80157..c358075f1e3c4aab103e0bb4cb4090cc40461c9a 100644
--- a/var/spack/repos/builtin/packages/mpiblast/package.py
+++ b/var/spack/repos/builtin/packages/mpiblast/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpich/package.py b/var/spack/repos/builtin/packages/mpich/package.py
index 28b083b3329c9724f812e3eaf41fd669cce8411f..aea92872f092093ef8a29c0335badf6516a35f3b 100644
--- a/var/spack/repos/builtin/packages/mpich/package.py
+++ b/var/spack/repos/builtin/packages/mpich/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/mpifileutils/package.py b/var/spack/repos/builtin/packages/mpifileutils/package.py
index 9d0132e93e5b5e036a880009fc3bbfcaa13d5e89..8257587f1be74abe19148dbfa8a133d9d1ae035c 100644
--- a/var/spack/repos/builtin/packages/mpifileutils/package.py
+++ b/var/spack/repos/builtin/packages/mpifileutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpilander/package.py b/var/spack/repos/builtin/packages/mpilander/package.py
index b0dbee3ea9c7326eae0ae73d0d106b8c406a4a2b..6f53f4d59a745a6bca78bd332a0d8bf9c6c28e56 100644
--- a/var/spack/repos/builtin/packages/mpilander/package.py
+++ b/var/spack/repos/builtin/packages/mpilander/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpileaks/package.py b/var/spack/repos/builtin/packages/mpileaks/package.py
index 33c61720511f8326d4ce9ab944e6554a0a989b0e..291df5da342ac653a9a9d2060c47807d72a8c583 100644
--- a/var/spack/repos/builtin/packages/mpileaks/package.py
+++ b/var/spack/repos/builtin/packages/mpileaks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpip/package.py b/var/spack/repos/builtin/packages/mpip/package.py
index b8f14ec580a6e3e17d5c75551458396922680dea..172207885c873c038cb71c5daf6ca830de08bfe3 100644
--- a/var/spack/repos/builtin/packages/mpip/package.py
+++ b/var/spack/repos/builtin/packages/mpip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/mpir/package.py b/var/spack/repos/builtin/packages/mpir/package.py
index c7fd5aff54c4e5fa59a44cfb85c68718685a7bb1..6e79df36e1855e9d1666778c2fe534204c1998f7 100644
--- a/var/spack/repos/builtin/packages/mpir/package.py
+++ b/var/spack/repos/builtin/packages/mpir/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mpix-launch-swift/package.py b/var/spack/repos/builtin/packages/mpix-launch-swift/package.py
index 57cb59eb20df51f6d8cf5c661ed098862ab80a68..83d3d28799d19084e264a94abb898da718ef9194 100644
--- a/var/spack/repos/builtin/packages/mpix-launch-swift/package.py
+++ b/var/spack/repos/builtin/packages/mpix-launch-swift/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mrbayes/package.py b/var/spack/repos/builtin/packages/mrbayes/package.py
index 69fb15de5da76cca8929cf97914dcf9bfd43ae21..79701d2a0348874ae91226ce6b2056ad988ba19c 100644
--- a/var/spack/repos/builtin/packages/mrbayes/package.py
+++ b/var/spack/repos/builtin/packages/mrbayes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mrnet/package.py b/var/spack/repos/builtin/packages/mrnet/package.py
index 5e68f7b8475ae4c4c26d74e90942e835e7e6902e..14e2fc82000f214b9f063bc2e58568a7a494816c 100644
--- a/var/spack/repos/builtin/packages/mrnet/package.py
+++ b/var/spack/repos/builtin/packages/mrnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mrtrix3/package.py b/var/spack/repos/builtin/packages/mrtrix3/package.py
index 26b083daf516b5a2f0bf3e1d2da1952fec811482..fc99abfc9a33f71dd2ae50e186ae336151e7acf7 100644
--- a/var/spack/repos/builtin/packages/mrtrix3/package.py
+++ b/var/spack/repos/builtin/packages/mrtrix3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mscgen/package.py b/var/spack/repos/builtin/packages/mscgen/package.py
index 2dcf5c2293dd32cc104d043ccf73ccce7b55a8dc..f926b539afbb9b9ee0dc392917e4b21d934d30c7 100644
--- a/var/spack/repos/builtin/packages/mscgen/package.py
+++ b/var/spack/repos/builtin/packages/mscgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/msgpack-c/package.py b/var/spack/repos/builtin/packages/msgpack-c/package.py
index d8104555bb92410dcf7806aa9245252cc664add5..49cd4f765ddcdf2d65b4332c361087230b43355f 100644
--- a/var/spack/repos/builtin/packages/msgpack-c/package.py
+++ b/var/spack/repos/builtin/packages/msgpack-c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mshadow/package.py b/var/spack/repos/builtin/packages/mshadow/package.py
index a8bc9773038cd83509165c06e9ab66217082d97d..3dde91770c2640b7db48bdd724bb213f0637c209 100644
--- a/var/spack/repos/builtin/packages/mshadow/package.py
+++ b/var/spack/repos/builtin/packages/mshadow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/multitail/package.py b/var/spack/repos/builtin/packages/multitail/package.py
index a293298f3793a50cb0ca1a35461fa3275aa9b083..5857fbd75126408ba4954fd3983469e475ac6c28 100644
--- a/var/spack/repos/builtin/packages/multitail/package.py
+++ b/var/spack/repos/builtin/packages/multitail/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/multiverso/package.py b/var/spack/repos/builtin/packages/multiverso/package.py
index ed803a4be82ad51630a28511faf03a6d9c58d9f6..5d1a27e153e0a66d29cfa82d57e8d36f71fd8763 100644
--- a/var/spack/repos/builtin/packages/multiverso/package.py
+++ b/var/spack/repos/builtin/packages/multiverso/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mummer/package.py b/var/spack/repos/builtin/packages/mummer/package.py
index c2fa3c141a3b2feb0e501b7372a45433f603aa72..a698f27463fd78ffb80972934f5fba032c301794 100644
--- a/var/spack/repos/builtin/packages/mummer/package.py
+++ b/var/spack/repos/builtin/packages/mummer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mumps/package.py b/var/spack/repos/builtin/packages/mumps/package.py
index 98e669ed2972f2fae427a9b07a08798d02ef0d91..5ddd6606b4a47b1e4b656471ce5155f3a0a95d59 100644
--- a/var/spack/repos/builtin/packages/mumps/package.py
+++ b/var/spack/repos/builtin/packages/mumps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import sys
diff --git a/var/spack/repos/builtin/packages/munge/package.py b/var/spack/repos/builtin/packages/munge/package.py
index 545ed9a9bec620490495fa3b43bf8b564fa358dd..cca523acb09ba5f384961572975d3576f11110c9 100644
--- a/var/spack/repos/builtin/packages/munge/package.py
+++ b/var/spack/repos/builtin/packages/munge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/muparser/package.py b/var/spack/repos/builtin/packages/muparser/package.py
index 964f47b0cf68ee6706c7486766b3ae18166d28ea..81ad5c3a82089aadec76a328578dfa1ae6eec7bf 100644
--- a/var/spack/repos/builtin/packages/muparser/package.py
+++ b/var/spack/repos/builtin/packages/muparser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/muscle/package.py b/var/spack/repos/builtin/packages/muscle/package.py
index 5f2f768210ba241785fe0d2c1e837b715c82662b..71c835613f5137a654f03af7ea5fd6475eab6b98 100644
--- a/var/spack/repos/builtin/packages/muscle/package.py
+++ b/var/spack/repos/builtin/packages/muscle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/muse/package.py b/var/spack/repos/builtin/packages/muse/package.py
index 3f488a2ec0e9677fb635d4b186f11ee37e68407b..89a3402e9faa0262260560a31921682058566e0f 100644
--- a/var/spack/repos/builtin/packages/muse/package.py
+++ b/var/spack/repos/builtin/packages/muse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/muster/package.py b/var/spack/repos/builtin/packages/muster/package.py
index 2bb704162fecf05880e27b2732a86e5317827b65..88a7d0656030e6b090199802aa295961f7bdd8d5 100644
--- a/var/spack/repos/builtin/packages/muster/package.py
+++ b/var/spack/repos/builtin/packages/muster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mvapich2/package.py b/var/spack/repos/builtin/packages/mvapich2/package.py
index 7671e95a3ae2f15f7d45642ab2de21c2e6ef7880..44b064d25600e8ecc08c07c6451134bffe608142 100644
--- a/var/spack/repos/builtin/packages/mvapich2/package.py
+++ b/var/spack/repos/builtin/packages/mvapich2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/mxml/package.py b/var/spack/repos/builtin/packages/mxml/package.py
index 0a10c6dafc66de2d748cf72d9747ef39f6f25c5b..05a27c20e37dacce16f92ea9fae73b0caa3f497d 100644
--- a/var/spack/repos/builtin/packages/mxml/package.py
+++ b/var/spack/repos/builtin/packages/mxml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/mxnet/package.py b/var/spack/repos/builtin/packages/mxnet/package.py
index e7ef2d4ce25de7970ad09cd250e7b08c8d063e97..cc1e5861baba527823c20f5b009355aeeb534a57 100644
--- a/var/spack/repos/builtin/packages/mxnet/package.py
+++ b/var/spack/repos/builtin/packages/mxnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nag/package.py b/var/spack/repos/builtin/packages/nag/package.py
index 0d26330826228374ed52b77e015e62a6f41f5fb4..d7c6ead714fd361d15fe830e7a99a4c1575667a1 100644
--- a/var/spack/repos/builtin/packages/nag/package.py
+++ b/var/spack/repos/builtin/packages/nag/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/nalu-wind/package.py b/var/spack/repos/builtin/packages/nalu-wind/package.py
index 2c5c4679f454bf8f977caac20a6ba7ab9784011e..6a8f4d78de4c1dd6df3b02f85ca1c5a565c2c7ac 100644
--- a/var/spack/repos/builtin/packages/nalu-wind/package.py
+++ b/var/spack/repos/builtin/packages/nalu-wind/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/nalu/package.py b/var/spack/repos/builtin/packages/nalu/package.py
index f7e566e73f89f035dfa6df39cbb1ea5b0860712f..225ed2ee66b1e9d5f7597a51ea6ed331ceafbf0d 100644
--- a/var/spack/repos/builtin/packages/nalu/package.py
+++ b/var/spack/repos/builtin/packages/nalu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/namd/package.py b/var/spack/repos/builtin/packages/namd/package.py
index 96e3f3ad4bfeb6c80027293fbec74a5f6d5f64fe..a7e82fd1d0f7559508b4929c9665555f20c868e2 100644
--- a/var/spack/repos/builtin/packages/namd/package.py
+++ b/var/spack/repos/builtin/packages/namd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import platform
 import sys
 import os
diff --git a/var/spack/repos/builtin/packages/nano/package.py b/var/spack/repos/builtin/packages/nano/package.py
index 0a5b646a4d967c4a430c5536cc93b232238307db..bbb2523d5a6d81f378291dd2af0ce5028e62beb1 100644
--- a/var/spack/repos/builtin/packages/nano/package.py
+++ b/var/spack/repos/builtin/packages/nano/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nanoflann/package.py b/var/spack/repos/builtin/packages/nanoflann/package.py
index 962c88893351976a8a413d7590ed3e19dafcdcd1..f042e8e4b944af547ff931e7ae97a4c14e718ec6 100644
--- a/var/spack/repos/builtin/packages/nanoflann/package.py
+++ b/var/spack/repos/builtin/packages/nanoflann/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nanopb/package.py b/var/spack/repos/builtin/packages/nanopb/package.py
index c5cfc9c135fd10659bac8c829f6acb00a8fccd62..1b8472f3d71b8eb43a1644ac920e61ca783f3c0a 100644
--- a/var/spack/repos/builtin/packages/nanopb/package.py
+++ b/var/spack/repos/builtin/packages/nanopb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nasm/package.py b/var/spack/repos/builtin/packages/nasm/package.py
index a8ac7bf940178ff31dc265a6a5cf490ee50f2d91..3604b1ec282bef7355fec082026123421e3297f5 100644
--- a/var/spack/repos/builtin/packages/nasm/package.py
+++ b/var/spack/repos/builtin/packages/nasm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nauty/package.py b/var/spack/repos/builtin/packages/nauty/package.py
index fece01ccedf9df09986bf9e1a7622fb6e4f4970d..a350ff207d7b8014005846383d28e731b165d8cc 100644
--- a/var/spack/repos/builtin/packages/nauty/package.py
+++ b/var/spack/repos/builtin/packages/nauty/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 from spack import *
diff --git a/var/spack/repos/builtin/packages/ncbi-magicblast/package.py b/var/spack/repos/builtin/packages/ncbi-magicblast/package.py
index 328d53fb44df5c52e1fc1a4c523eca42d7d33cb0..b0e9c3434aea29bb9e0d293bd1c78103cff2419c 100644
--- a/var/spack/repos/builtin/packages/ncbi-magicblast/package.py
+++ b/var/spack/repos/builtin/packages/ncbi-magicblast/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ncbi-rmblastn/package.py b/var/spack/repos/builtin/packages/ncbi-rmblastn/package.py
index c561423b97ec90d4b394d4d2798594de1f506a06..8dd04b55867dd92229d657497e25c8790ad1047d 100644
--- a/var/spack/repos/builtin/packages/ncbi-rmblastn/package.py
+++ b/var/spack/repos/builtin/packages/ncbi-rmblastn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ncbi-toolkit/package.py b/var/spack/repos/builtin/packages/ncbi-toolkit/package.py
index b6bdefdbf8c71827a8c2a48ffe20f6a0913d20ea..3f1bc0d5439efb5c2f37023f6d3dfc8d35f9dee5 100644
--- a/var/spack/repos/builtin/packages/ncbi-toolkit/package.py
+++ b/var/spack/repos/builtin/packages/ncbi-toolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nccl/package.py b/var/spack/repos/builtin/packages/nccl/package.py
index be85aea43f602dbe185f2997f33d968ce65aa3aa..f180e7c3afad7c62dacea2eb8b6551bed2711028 100644
--- a/var/spack/repos/builtin/packages/nccl/package.py
+++ b/var/spack/repos/builtin/packages/nccl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nccmp/package.py b/var/spack/repos/builtin/packages/nccmp/package.py
index f54f9c863169423d24d18056cb36ba8fe6d0ec70..69736cc34b5b7d82e4d99c24c43cd7e784eabbcc 100644
--- a/var/spack/repos/builtin/packages/nccmp/package.py
+++ b/var/spack/repos/builtin/packages/nccmp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ncdu/package.py b/var/spack/repos/builtin/packages/ncdu/package.py
index 5be7d93ace0d614359206ed1c55f4ae91dbde3a8..d77478c61841d213521085172fbe965137448680 100644
--- a/var/spack/repos/builtin/packages/ncdu/package.py
+++ b/var/spack/repos/builtin/packages/ncdu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ncftp/package.py b/var/spack/repos/builtin/packages/ncftp/package.py
index 8911e6763f01bb8ad2f004fd14d83e4db1a3215b..2b9e417aa8b3be191b922e39d264d4caa15eef61 100644
--- a/var/spack/repos/builtin/packages/ncftp/package.py
+++ b/var/spack/repos/builtin/packages/ncftp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ncl/package.py b/var/spack/repos/builtin/packages/ncl/package.py
index 218fc31eb9ffeb24fa2f400b040cb471e3c770fe..4656e9cfb8456bf0ddbbe9a0fc940145f367fea2 100644
--- a/var/spack/repos/builtin/packages/ncl/package.py
+++ b/var/spack/repos/builtin/packages/ncl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/nco/package.py b/var/spack/repos/builtin/packages/nco/package.py
index b1b6d116d01f54251d8438b61ec34015512dacc3..6b46596b6e36e6fbcacb7db7e283a778be3b60d9 100644
--- a/var/spack/repos/builtin/packages/nco/package.py
+++ b/var/spack/repos/builtin/packages/nco/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ncurses/package.py b/var/spack/repos/builtin/packages/ncurses/package.py
index a8ff84755bb76fa8c05b14ba4088f12ad8c224ec..56218a9306cb77bfe9d7e31ee035ed72dcd12412 100644
--- a/var/spack/repos/builtin/packages/ncurses/package.py
+++ b/var/spack/repos/builtin/packages/ncurses/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 from os.path import exists, join
diff --git a/var/spack/repos/builtin/packages/ncview/package.py b/var/spack/repos/builtin/packages/ncview/package.py
index eaf981b32554dbb9cff21ae8e8c02e56c314ea9e..f37115fe96c463c71f112a5fa7b25ec1db5d509c 100644
--- a/var/spack/repos/builtin/packages/ncview/package.py
+++ b/var/spack/repos/builtin/packages/ncview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ndiff/package.py b/var/spack/repos/builtin/packages/ndiff/package.py
index 23bfceb03bee58614a3fe9b6d1f88f755fa427b2..ab997d1daa6b9825f909e14493f4a2541639f0bf 100644
--- a/var/spack/repos/builtin/packages/ndiff/package.py
+++ b/var/spack/repos/builtin/packages/ndiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nek5000/package.py b/var/spack/repos/builtin/packages/nek5000/package.py
index 34ee6cdb63bb000aeda0f4ba3a29e4b2da16193f..a952029a86e9695d742e6dccc786662bdb4a409a 100644
--- a/var/spack/repos/builtin/packages/nek5000/package.py
+++ b/var/spack/repos/builtin/packages/nek5000/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import numbers
diff --git a/var/spack/repos/builtin/packages/nekbone/package.py b/var/spack/repos/builtin/packages/nekbone/package.py
index cad14fa177c1a547acacee4eb05f207676e1932d..ff34fc25ac2d7689c12b2bcdb821abca96715c4d 100644
--- a/var/spack/repos/builtin/packages/nekbone/package.py
+++ b/var/spack/repos/builtin/packages/nekbone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nekcem/package.py b/var/spack/repos/builtin/packages/nekcem/package.py
index 6aedcdf9fd6bf4b42d409b158a685100c4688e8c..c1b981e0c14aa2b3c83a898f290cec577e330ae2 100644
--- a/var/spack/repos/builtin/packages/nekcem/package.py
+++ b/var/spack/repos/builtin/packages/nekcem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import json
diff --git a/var/spack/repos/builtin/packages/nektar/package.py b/var/spack/repos/builtin/packages/nektar/package.py
index 1c0939788306560c8aff69717246bace9d3167ab..3e04b1c2b1dd454a9649833e9588a52f78eeeed6 100644
--- a/var/spack/repos/builtin/packages/nektar/package.py
+++ b/var/spack/repos/builtin/packages/nektar/package.py
@@ -1,27 +1,8 @@
-#############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/neovim/package.py b/var/spack/repos/builtin/packages/neovim/package.py
index 9497fd199135633102f4c1c84367e2b56c102291..b626f34984ae10e55bab7773793f916675bc4c56 100644
--- a/var/spack/repos/builtin/packages/neovim/package.py
+++ b/var/spack/repos/builtin/packages/neovim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/nest/package.py b/var/spack/repos/builtin/packages/nest/package.py
index dcc06d79177d8679578ce113bdb31414d105fe25..a62838dc7d54f49ad8463642f6d30ad0f5457846 100644
--- a/var/spack/repos/builtin/packages/nest/package.py
+++ b/var/spack/repos/builtin/packages/nest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netcdf-cxx/package.py b/var/spack/repos/builtin/packages/netcdf-cxx/package.py
index 600033b2b52eb83ce61795ad13ff437831edcc03..07ecd2f22a4b9f00be4b950b2c4f14de7caf373b 100644
--- a/var/spack/repos/builtin/packages/netcdf-cxx/package.py
+++ b/var/spack/repos/builtin/packages/netcdf-cxx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netcdf-cxx4/package.py b/var/spack/repos/builtin/packages/netcdf-cxx4/package.py
index 4b586d9a1497e5a90a60f508f00149b0a7c6b8bf..8d228cc3c0d90e976a92b52a721bea52cba072b1 100644
--- a/var/spack/repos/builtin/packages/netcdf-cxx4/package.py
+++ b/var/spack/repos/builtin/packages/netcdf-cxx4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netcdf-fortran/package.py b/var/spack/repos/builtin/packages/netcdf-fortran/package.py
index 725804d22ccc928d095b55484fb900f85cb845b9..64d4eca2a01366e3a22a289ad383de96073f8bac 100644
--- a/var/spack/repos/builtin/packages/netcdf-fortran/package.py
+++ b/var/spack/repos/builtin/packages/netcdf-fortran/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netcdf/package.py b/var/spack/repos/builtin/packages/netcdf/package.py
index 8c1748e5d6b3981f7769040433ee6599c5a7d451..8a806dbf958eeb4fa40c8db2e887788cffb3dda1 100644
--- a/var/spack/repos/builtin/packages/netcdf/package.py
+++ b/var/spack/repos/builtin/packages/netcdf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import numbers
diff --git a/var/spack/repos/builtin/packages/netgauge/package.py b/var/spack/repos/builtin/packages/netgauge/package.py
index 2c9a2b5379b22e5d58de566d8cac5c0e9e6f6ef1..69557c8cb9bdb18cf82db0f33a5a6adf31951c29 100644
--- a/var/spack/repos/builtin/packages/netgauge/package.py
+++ b/var/spack/repos/builtin/packages/netgauge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netgen/package.py b/var/spack/repos/builtin/packages/netgen/package.py
index a5595c4c6920bd2d896ec0844d4a6e7525acde4b..c67ed8cced25e90816f939336e8588adc08b7976 100644
--- a/var/spack/repos/builtin/packages/netgen/package.py
+++ b/var/spack/repos/builtin/packages/netgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netlib-lapack/package.py b/var/spack/repos/builtin/packages/netlib-lapack/package.py
index 7b0cb7cd6cd86375a64c472a7dd93cc7cdeae97d..b5080d0ba82ab948913d861aadbf6587112f0b5c 100644
--- a/var/spack/repos/builtin/packages/netlib-lapack/package.py
+++ b/var/spack/repos/builtin/packages/netlib-lapack/package.py
@@ -1,27 +1,8 @@
-#############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/netlib-scalapack/package.py b/var/spack/repos/builtin/packages/netlib-scalapack/package.py
index cffb4a27d03ad8b66d1c8bb18ef7d4d672b79db7..0bc2025ba6163ff1c72765e7d92c30914fb30462 100644
--- a/var/spack/repos/builtin/packages/netlib-scalapack/package.py
+++ b/var/spack/repos/builtin/packages/netlib-scalapack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/netlib-xblas/package.py b/var/spack/repos/builtin/packages/netlib-xblas/package.py
index a1c269a20add55ab776696952f1bbd0fc535eb2f..6c837f0da8373685389fc1ff94893ca100e88cf7 100644
--- a/var/spack/repos/builtin/packages/netlib-xblas/package.py
+++ b/var/spack/repos/builtin/packages/netlib-xblas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nettle/package.py b/var/spack/repos/builtin/packages/nettle/package.py
index 5c1855c523169f0b1814bdb4b365d23d59e92d98..c371327901a187f20787338601592c754629a86a 100644
--- a/var/spack/repos/builtin/packages/nettle/package.py
+++ b/var/spack/repos/builtin/packages/nettle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/neuron/package.py b/var/spack/repos/builtin/packages/neuron/package.py
index faae2128063577287d26060777abffc60f52e03f..ade0552c60897cb701eb7b4ae3cd5b50ce43a22a 100644
--- a/var/spack/repos/builtin/packages/neuron/package.py
+++ b/var/spack/repos/builtin/packages/neuron/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/nextflow/package.py b/var/spack/repos/builtin/packages/nextflow/package.py
index b98cbe0355b3c27f504f528a9fdb1061c672aee4..f1d271801064cf5f09d1ef028fd2b161f7295218 100644
--- a/var/spack/repos/builtin/packages/nextflow/package.py
+++ b/var/spack/repos/builtin/packages/nextflow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nfft/package.py b/var/spack/repos/builtin/packages/nfft/package.py
index b373584d516cf673bd5254bc231312922d0ee12a..3e40732f39fffc287a1ac9800d2d55713032e0ab 100644
--- a/var/spack/repos/builtin/packages/nfft/package.py
+++ b/var/spack/repos/builtin/packages/nfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nghttp2/package.py b/var/spack/repos/builtin/packages/nghttp2/package.py
index 0cb9683bfba1a18216a0e96265fe42fa1bd4ad37..53d3c6b67f1fdd6ed26e689668922e0340604c72 100644
--- a/var/spack/repos/builtin/packages/nghttp2/package.py
+++ b/var/spack/repos/builtin/packages/nghttp2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nginx/package.py b/var/spack/repos/builtin/packages/nginx/package.py
index 83550ca08d236731816bcc3557af3157adba2025..0db0e581c873ad1d6f507f6290a1ea57cffaff87 100644
--- a/var/spack/repos/builtin/packages/nginx/package.py
+++ b/var/spack/repos/builtin/packages/nginx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ngmlr/package.py b/var/spack/repos/builtin/packages/ngmlr/package.py
index 0d27f2913a3db4d7537862dabb310acd2ca58c79..1c38c9cd1a04d923a16609354e9b9b3da40f76c4 100644
--- a/var/spack/repos/builtin/packages/ngmlr/package.py
+++ b/var/spack/repos/builtin/packages/ngmlr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ninja-fortran/package.py b/var/spack/repos/builtin/packages/ninja-fortran/package.py
index 15ff5a11bc8e54dcaefa2571331e1bc9eb1db009..5aaa5039ed6bd290c5124f72a4f0e1d2de963119 100644
--- a/var/spack/repos/builtin/packages/ninja-fortran/package.py
+++ b/var/spack/repos/builtin/packages/ninja-fortran/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ninja/package.py b/var/spack/repos/builtin/packages/ninja/package.py
index 471b2b7da96bf101eac31061f124a3f6df39b2a2..e6283fbff3dfb0615f4fc8079b7858f60b77c2e2 100644
--- a/var/spack/repos/builtin/packages/ninja/package.py
+++ b/var/spack/repos/builtin/packages/ninja/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nlohmann-json/package.py b/var/spack/repos/builtin/packages/nlohmann-json/package.py
index dd37a9a8f088257d55a553426553ca9961fc26f5..110e535e44a2d5d1de67e298c5cc6fad222b0cc4 100644
--- a/var/spack/repos/builtin/packages/nlohmann-json/package.py
+++ b/var/spack/repos/builtin/packages/nlohmann-json/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nlopt/package.py b/var/spack/repos/builtin/packages/nlopt/package.py
index d7343231c96e3b87fe467832ab173285f073c38e..c1c69cba01884622dcb17b28a4bcdae8ba6bf5ef 100644
--- a/var/spack/repos/builtin/packages/nlopt/package.py
+++ b/var/spack/repos/builtin/packages/nlopt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nmap/package.py b/var/spack/repos/builtin/packages/nmap/package.py
index 7c0f0dc12bafc18efefd82c5ec7b1e2e9560098c..43b3aeefacfdf367069bd1872a7f65393f37dfdc 100644
--- a/var/spack/repos/builtin/packages/nmap/package.py
+++ b/var/spack/repos/builtin/packages/nmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nnvm/package.py b/var/spack/repos/builtin/packages/nnvm/package.py
index b520b014e820faaab95cb15712939844415fd407..542daa50af4ec4919dc9989b491ff6faa4ac477f 100644
--- a/var/spack/repos/builtin/packages/nnvm/package.py
+++ b/var/spack/repos/builtin/packages/nnvm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/node-js/package.py b/var/spack/repos/builtin/packages/node-js/package.py
index 4fa10990237032667008e2526969374c37d8ca2b..ad19340c53a5a767f1c7be7b41350f994a06942f 100644
--- a/var/spack/repos/builtin/packages/node-js/package.py
+++ b/var/spack/repos/builtin/packages/node-js/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 import subprocess
diff --git a/var/spack/repos/builtin/packages/notmuch/package.py b/var/spack/repos/builtin/packages/notmuch/package.py
index 9052d5c8af28fddc06015988e09c85dea2d1de68..9245c76d12c5b24dee8c370918c853387ac5a3c8 100644
--- a/var/spack/repos/builtin/packages/notmuch/package.py
+++ b/var/spack/repos/builtin/packages/notmuch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/npb/package.py b/var/spack/repos/builtin/packages/npb/package.py
index d216ddc566b33c3fa993ee98dd38edf038223c8a..0840be9b8c6c8fa17f2b756ae33286147e5160bf 100644
--- a/var/spack/repos/builtin/packages/npb/package.py
+++ b/var/spack/repos/builtin/packages/npb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import numbers
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/npm/package.py b/var/spack/repos/builtin/packages/npm/package.py
index 7dd0488f79ed4cccb3898d030d0fc86195076ef1..5f797165c35e07b72a8d81e3605e8d0ceb14690d 100644
--- a/var/spack/repos/builtin/packages/npm/package.py
+++ b/var/spack/repos/builtin/packages/npm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/npth/package.py b/var/spack/repos/builtin/packages/npth/package.py
index 0933691a6df37018d428239584d43d22bcb33861..d99da26799965bb47b3662faa977e34cc58c4ba0 100644
--- a/var/spack/repos/builtin/packages/npth/package.py
+++ b/var/spack/repos/builtin/packages/npth/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nspr/package.py b/var/spack/repos/builtin/packages/nspr/package.py
index 9d69d0857728fdf5b6c77d31005aa629085ff2af..5ad1d51973e1abf981dc4352dec1f107f3ae2367 100644
--- a/var/spack/repos/builtin/packages/nspr/package.py
+++ b/var/spack/repos/builtin/packages/nspr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/numactl/package.py b/var/spack/repos/builtin/packages/numactl/package.py
index 18123ec27e134d5df8efd3c8cd1e8471cd94e201..e17a279d2181dedb87093190a6bcb4740b8a508a 100644
--- a/var/spack/repos/builtin/packages/numactl/package.py
+++ b/var/spack/repos/builtin/packages/numactl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/numdiff/package.py b/var/spack/repos/builtin/packages/numdiff/package.py
index 1103f04589e43bbbadc5318ea2370b7b7e5d9dba..8c7490482a12fe444634b2fe73130a5123fecf9a 100644
--- a/var/spack/repos/builtin/packages/numdiff/package.py
+++ b/var/spack/repos/builtin/packages/numdiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nut/package.py b/var/spack/repos/builtin/packages/nut/package.py
index c53cb188aba8ee1428753201ec411aeefaa7ebd4..6450d72adf2bd3c3c31b80731d3056402f7f2fbc 100644
--- a/var/spack/repos/builtin/packages/nut/package.py
+++ b/var/spack/repos/builtin/packages/nut/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nvptx-tools/package.py b/var/spack/repos/builtin/packages/nvptx-tools/package.py
index 4f3f40fb14d061f232171c314906699b531ec9cb..244cd6936c2f6898e110af4760968de2a7ea017a 100644
--- a/var/spack/repos/builtin/packages/nvptx-tools/package.py
+++ b/var/spack/repos/builtin/packages/nvptx-tools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/nwchem/package.py b/var/spack/repos/builtin/packages/nwchem/package.py
index 4cedd0943d994da28ce9d95f07a783d00faa5262..908740ba4dc9c5d15837c3981635c612e2904c8d 100644
--- a/var/spack/repos/builtin/packages/nwchem/package.py
+++ b/var/spack/repos/builtin/packages/nwchem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 import os
diff --git a/var/spack/repos/builtin/packages/ocaml/package.py b/var/spack/repos/builtin/packages/ocaml/package.py
index e1c5220098b28499fc481af5a9a2fc9cd0dec6c8..cd887827752794028a584ea9af9bd71c72b07377 100644
--- a/var/spack/repos/builtin/packages/ocaml/package.py
+++ b/var/spack/repos/builtin/packages/ocaml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/occa/package.py b/var/spack/repos/builtin/packages/occa/package.py
index ff9285518e31e2e88f6f2c071213baed014cf7af..f9276fede9e3a4e3016217c05576db0e061dbdb0 100644
--- a/var/spack/repos/builtin/packages/occa/package.py
+++ b/var/spack/repos/builtin/packages/occa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/oce/package.py b/var/spack/repos/builtin/packages/oce/package.py
index 6b7b3349bdcc286740d74dbbf80ab535c1f1371c..04af4466e4535aa30d305e7045e6659a592953fd 100644
--- a/var/spack/repos/builtin/packages/oce/package.py
+++ b/var/spack/repos/builtin/packages/oce/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.operating_systems.mac_os import macos_version
 import platform
diff --git a/var/spack/repos/builtin/packages/oclint/package.py b/var/spack/repos/builtin/packages/oclint/package.py
index 5095ce8c6e56acc117a0eb41ac8d64d0ef81ae35..a0810739befc87acddf5cb874177a37bf022895b 100644
--- a/var/spack/repos/builtin/packages/oclint/package.py
+++ b/var/spack/repos/builtin/packages/oclint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/oclock/package.py b/var/spack/repos/builtin/packages/oclock/package.py
index 20e0025f7a9c879a46cd9aac8045c86f4df9119e..0108623080b18b16b2a28767d3a60b520e7968bb 100644
--- a/var/spack/repos/builtin/packages/oclock/package.py
+++ b/var/spack/repos/builtin/packages/oclock/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/octave-optim/package.py b/var/spack/repos/builtin/packages/octave-optim/package.py
index be8016b4389a0a09ebb5c6ede542192eb507a5b0..5bcb323bbe27b0c7e5223f340930413912bf2d04 100644
--- a/var/spack/repos/builtin/packages/octave-optim/package.py
+++ b/var/spack/repos/builtin/packages/octave-optim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/octave-splines/package.py b/var/spack/repos/builtin/packages/octave-splines/package.py
index 5b106c88f71ef14c1233f38dc704980be61c6142..857fc48d9c0e36c2448e94b80efa18d2a236e79e 100644
--- a/var/spack/repos/builtin/packages/octave-splines/package.py
+++ b/var/spack/repos/builtin/packages/octave-splines/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/octave-struct/package.py b/var/spack/repos/builtin/packages/octave-struct/package.py
index 1b1bd1da0c131cfac6a4b6a84b3b0ee1b5157033..2f08729106f851d07ee001401bf3220848de597c 100644
--- a/var/spack/repos/builtin/packages/octave-struct/package.py
+++ b/var/spack/repos/builtin/packages/octave-struct/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/octave/package.py b/var/spack/repos/builtin/packages/octave/package.py
index 4a89992dac2d2b1780eb30260b59bdd1b474b0f5..5b6dc25f94167916ac0e86c3a90f117080b23b4c 100644
--- a/var/spack/repos/builtin/packages/octave/package.py
+++ b/var/spack/repos/builtin/packages/octave/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/octopus/package.py b/var/spack/repos/builtin/packages/octopus/package.py
index bca09003990725c461722397ff7f31262cace6a1..315beb57b56059e2c0dd515a63edcb4712d9a3bf 100644
--- a/var/spack/repos/builtin/packages/octopus/package.py
+++ b/var/spack/repos/builtin/packages/octopus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/of-adios-write/package.py b/var/spack/repos/builtin/packages/of-adios-write/package.py
index ba2be2f60118444533799c770455508a3eeeebf6..98a293c1d96706c9a9b134ebb9ee6c563d676d3d 100644
--- a/var/spack/repos/builtin/packages/of-adios-write/package.py
+++ b/var/spack/repos/builtin/packages/of-adios-write/package.py
@@ -1,28 +1,8 @@
-##############################################################################
-# Copyright (c) 2017 Mark Olesen, OpenCFD Ltd.
-#
-# This file was authored by Mark Olesen <mark.olesen@esi-group.com>
-# and is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for the LLNL notice and LGPL.
-#
-# License
-# -------
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # Legal Notice
 # ------------
 # OPENFOAM is a trademark owned by OpenCFD Ltd
diff --git a/var/spack/repos/builtin/packages/of-precice/package.py b/var/spack/repos/builtin/packages/of-precice/package.py
index 88180f6c57dcec2c1648cc696990d2230a466b64..31cd5300023396560d0417f884a98b398e676d2b 100644
--- a/var/spack/repos/builtin/packages/of-precice/package.py
+++ b/var/spack/repos/builtin/packages/of-precice/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2018 Mark Olesen, OpenCFD Ltd.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file was authored by Mark Olesen <mark.olesen@esi-group.com>
-# and is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for the LLNL notice and LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 import llnl.util.tty as tty
diff --git a/var/spack/repos/builtin/packages/omega-h/package.py b/var/spack/repos/builtin/packages/omega-h/package.py
index 6cf3db52a0a8a4362b3c1b00858dcb3298d7baec..18f5563cb4c03a81c37ebcfa6229a1ca3774564c 100644
--- a/var/spack/repos/builtin/packages/omega-h/package.py
+++ b/var/spack/repos/builtin/packages/omega-h/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ompss/package.py b/var/spack/repos/builtin/packages/ompss/package.py
index ebff0e64d95521c24ba2e66ed997fdb98215ac3f..e9f4f4a757ffadcfabbccf3264288e57d437f73f 100644
--- a/var/spack/repos/builtin/packages/ompss/package.py
+++ b/var/spack/repos/builtin/packages/ompss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import glob
diff --git a/var/spack/repos/builtin/packages/ompt-openmp/package.py b/var/spack/repos/builtin/packages/ompt-openmp/package.py
index 9495982b898a7cf46f184e37b7ee9f24215f58b2..50641146c1b4897dd45bbf9a035ced41a9d45539 100644
--- a/var/spack/repos/builtin/packages/ompt-openmp/package.py
+++ b/var/spack/repos/builtin/packages/ompt-openmp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/oniguruma/package.py b/var/spack/repos/builtin/packages/oniguruma/package.py
index 3faf733822424b01bada0f1d1adf15d268471aea..7dda866f164cd6043899cbac812386be2e33b93a 100644
--- a/var/spack/repos/builtin/packages/oniguruma/package.py
+++ b/var/spack/repos/builtin/packages/oniguruma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ont-albacore/package.py b/var/spack/repos/builtin/packages/ont-albacore/package.py
index a29deb96c3dddd1e7763448a5d407eb60d6ab700..79da108dafb94e7ecc73f7c12e9c22882e859519 100644
--- a/var/spack/repos/builtin/packages/ont-albacore/package.py
+++ b/var/spack/repos/builtin/packages/ont-albacore/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/opa-psm2/package.py b/var/spack/repos/builtin/packages/opa-psm2/package.py
index 68f01dcf55bb3d7f8dad957135f3d4191d991814..c10130ba55e2fb0f32005be064af13feb8274ede 100644
--- a/var/spack/repos/builtin/packages/opa-psm2/package.py
+++ b/var/spack/repos/builtin/packages/opa-psm2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/opam/package.py b/var/spack/repos/builtin/packages/opam/package.py
index 0b889092fc2532a9271bdc9161f8298986d31e7b..0ff0af91578798d06c79289799d8f423be95935e 100644
--- a/var/spack/repos/builtin/packages/opam/package.py
+++ b/var/spack/repos/builtin/packages/opam/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/opari2/package.py b/var/spack/repos/builtin/packages/opari2/package.py
index cd3f5acd79c6ff7f9f5793b1911d46824b2b9374..e48d64be5effd69fe628d018f14f190fdfc6c186 100644
--- a/var/spack/repos/builtin/packages/opari2/package.py
+++ b/var/spack/repos/builtin/packages/opari2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openbabel/package.py b/var/spack/repos/builtin/packages/openbabel/package.py
index 2201c9555a7607da1acfee3c2b873fb9b679e689..c7d6a68ec36fa446fd5cbde4252d15a824355f43 100644
--- a/var/spack/repos/builtin/packages/openbabel/package.py
+++ b/var/spack/repos/builtin/packages/openbabel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openblas/package.py b/var/spack/repos/builtin/packages/openblas/package.py
index 6ac55cc507cf27007b6c04f9f37b575fe25f921f..ffa02c23e63903447dbf8dd880678a29b8e02f08 100644
--- a/var/spack/repos/builtin/packages/openblas/package.py
+++ b/var/spack/repos/builtin/packages/openblas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/opencoarrays/package.py b/var/spack/repos/builtin/packages/opencoarrays/package.py
index f63c56d84bfa48d7ba5a25cd2cbcbbc1666ce4ce..e3da9753ae6a1f12c3482cde4a04ce1de4b7598e 100644
--- a/var/spack/repos/builtin/packages/opencoarrays/package.py
+++ b/var/spack/repos/builtin/packages/opencoarrays/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/opencv/package.py b/var/spack/repos/builtin/packages/opencv/package.py
index edbfcc2d13c296054540f80a640827e6b8054c38..96a643f3a4561b3db3eec64394f74456b8052a57 100644
--- a/var/spack/repos/builtin/packages/opencv/package.py
+++ b/var/spack/repos/builtin/packages/opencv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openexr/package.py b/var/spack/repos/builtin/packages/openexr/package.py
index 07b29fcfaaf626e460bd88b2f7e5b68731026b3e..6cb17ee9ced240cb7ee9e1c7c904182bac5776b0 100644
--- a/var/spack/repos/builtin/packages/openexr/package.py
+++ b/var/spack/repos/builtin/packages/openexr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openfast/package.py b/var/spack/repos/builtin/packages/openfast/package.py
index 6ade9fcba50d75652fd112712c3e3955383fd152..710b4f3bfc2acee35017cbe0fe0f7117e67292fb 100644
--- a/var/spack/repos/builtin/packages/openfast/package.py
+++ b/var/spack/repos/builtin/packages/openfast/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openfoam-com/package.py b/var/spack/repos/builtin/packages/openfoam-com/package.py
index 27e9de86b5cba570e3575c390128a5a51a64c6c2..098d11e79de4f14c748efd375baaae38f51261a4 100644
--- a/var/spack/repos/builtin/packages/openfoam-com/package.py
+++ b/var/spack/repos/builtin/packages/openfoam-com/package.py
@@ -1,28 +1,8 @@
-##############################################################################
-# Copyright (c) 2017-2018 Mark Olesen, OpenCFD Ltd.
-#
-# This file was authored by Mark Olesen <mark.olesen@esi-group.com>
-# and is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for the LLNL notice and LGPL.
-#
-# License
-# -------
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # Legal Notice
 # ------------
 # OPENFOAM is a trademark owned by OpenCFD Ltd
diff --git a/var/spack/repos/builtin/packages/openfoam-org/package.py b/var/spack/repos/builtin/packages/openfoam-org/package.py
index 9db7597c49a8890352a8d156c0eb5bd96fe6fd46..8857257878067e35c223c56738dfa5e24d681f2e 100644
--- a/var/spack/repos/builtin/packages/openfoam-org/package.py
+++ b/var/spack/repos/builtin/packages/openfoam-org/package.py
@@ -1,28 +1,8 @@
-##############################################################################
-# Copyright (c) 2017 Mark Olesen, OpenCFD Ltd.
-#
-# This file was authored by Mark Olesen <mark.olesen@esi-group.com>
-# and is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for the LLNL notice and LGPL.
-#
-# License
-# -------
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # Legal Notice
 # ------------
 # OPENFOAM is a trademark owned by OpenCFD Ltd
diff --git a/var/spack/repos/builtin/packages/openfst/package.py b/var/spack/repos/builtin/packages/openfst/package.py
index e98fa4f7850e7ced7073956981a27e900ab3cb2f..4187ddd258df46f3c973c66309a86c3119d05a2a 100644
--- a/var/spack/repos/builtin/packages/openfst/package.py
+++ b/var/spack/repos/builtin/packages/openfst/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/opengl/package.py b/var/spack/repos/builtin/packages/opengl/package.py
index 31be247dad785428ed318d9753f7c59f29c45dac..577e22dbf1c6c1d55bce790610951209265e97bc 100644
--- a/var/spack/repos/builtin/packages/opengl/package.py
+++ b/var/spack/repos/builtin/packages/opengl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openglu/package.py b/var/spack/repos/builtin/packages/openglu/package.py
index 125c3e4da59350fa46b9170dcfb95f14553b55c7..c6468c95b4608d8d43b64b4c2ce0bf1436766037 100644
--- a/var/spack/repos/builtin/packages/openglu/package.py
+++ b/var/spack/repos/builtin/packages/openglu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openjpeg/package.py b/var/spack/repos/builtin/packages/openjpeg/package.py
index 0164039087816263e04890b3604f946d5bfdf49f..34b300371b3cec221929b4a4bb39edd252b9b866 100644
--- a/var/spack/repos/builtin/packages/openjpeg/package.py
+++ b/var/spack/repos/builtin/packages/openjpeg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openmc/package.py b/var/spack/repos/builtin/packages/openmc/package.py
index 20580b16235831059be389bb7e79ad1b2ec485a9..8d3175c029ada5dc8c476934ced2de8793940220 100644
--- a/var/spack/repos/builtin/packages/openmc/package.py
+++ b/var/spack/repos/builtin/packages/openmc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/openmpi/package.py b/var/spack/repos/builtin/packages/openmpi/package.py
index 01314a6600b01df4ce312806eebe79ae7f8d7313..0367c887a6df0e6c56aa46cd0143ac9573c69d50 100644
--- a/var/spack/repos/builtin/packages/openmpi/package.py
+++ b/var/spack/repos/builtin/packages/openmpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 import sys
diff --git a/var/spack/repos/builtin/packages/opennurbs/package.py b/var/spack/repos/builtin/packages/opennurbs/package.py
index 6603f46af3c8b430eb2c6ef87a75e6840db2861f..388633f84198a3c7278f357a91feaeb3c8a8adc2 100644
--- a/var/spack/repos/builtin/packages/opennurbs/package.py
+++ b/var/spack/repos/builtin/packages/opennurbs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/openpmd-api/package.py b/var/spack/repos/builtin/packages/openpmd-api/package.py
index 45fb7cbf26daa84c3f8984c9656ed11c13d95d0c..93082d3b8513b7c5f6c2482be9eee5617a1649a1 100644
--- a/var/spack/repos/builtin/packages/openpmd-api/package.py
+++ b/var/spack/repos/builtin/packages/openpmd-api/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openscenegraph/package.py b/var/spack/repos/builtin/packages/openscenegraph/package.py
index 96a2b9edeaaeb981fb47bacf08bfbcbc159c8771..d8adf24bf7d617ec138e4490d36c843c3ea308cb 100644
--- a/var/spack/repos/builtin/packages/openscenegraph/package.py
+++ b/var/spack/repos/builtin/packages/openscenegraph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/openslide/package.py b/var/spack/repos/builtin/packages/openslide/package.py
index 4e463d40515ec9e3bdd3f05197d4680f63a64e3d..2018a7e33b509ec0083f0d7225f570fc845116cb 100644
--- a/var/spack/repos/builtin/packages/openslide/package.py
+++ b/var/spack/repos/builtin/packages/openslide/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openspeedshop-utils/package.py b/var/spack/repos/builtin/packages/openspeedshop-utils/package.py
index 74dfeb8ffa0b2f1f6b93317b33e66688cc9cde37..fd994eb304f8765e26fd3c0c69a56b4bf9e81a16 100644
--- a/var/spack/repos/builtin/packages/openspeedshop-utils/package.py
+++ b/var/spack/repos/builtin/packages/openspeedshop-utils/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##############################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; either version 2 of the License, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/openspeedshop/package.py b/var/spack/repos/builtin/packages/openspeedshop/package.py
index 721466a2fea22523f9b82f7e8bab3e1d1c39cae5..d0764e54dc6f6cfac2bb7b27bce9f9ca62d184b7 100644
--- a/var/spack/repos/builtin/packages/openspeedshop/package.py
+++ b/var/spack/repos/builtin/packages/openspeedshop/package.py
@@ -1,44 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##############################################################################
-# Copyright (c) 2015-2018 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; either version 2 of the License, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/openssh/package.py b/var/spack/repos/builtin/packages/openssh/package.py
index 4e1b690d73b55e241e4f5672bf1c6b4215050690..45540989b7c1b8f53f6cea759f271a998a15cbd4 100644
--- a/var/spack/repos/builtin/packages/openssh/package.py
+++ b/var/spack/repos/builtin/packages/openssh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/openssl/package.py b/var/spack/repos/builtin/packages/openssl/package.py
index f6fca1d19cf2c6a01d8da8f6213a38cc0e5ffd67..41f73d3d53b5208dda33e5addfd3981186609dc3 100644
--- a/var/spack/repos/builtin/packages/openssl/package.py
+++ b/var/spack/repos/builtin/packages/openssl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import llnl.util.tty as tty
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/opium/package.py b/var/spack/repos/builtin/packages/opium/package.py
index ae60656f59d361874fb4e2f4a44f56a67ed13188..c0f907c80a616765d392e6e5c486a17a864aa3f6 100644
--- a/var/spack/repos/builtin/packages/opium/package.py
+++ b/var/spack/repos/builtin/packages/opium/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/optional-lite/package.py b/var/spack/repos/builtin/packages/optional-lite/package.py
index 84d67936baf5ccac8133108f645c317edec0d19a..bddb490354db3c265453684e49980aae186858c0 100644
--- a/var/spack/repos/builtin/packages/optional-lite/package.py
+++ b/var/spack/repos/builtin/packages/optional-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from shutil import copytree
 
diff --git a/var/spack/repos/builtin/packages/opus/package.py b/var/spack/repos/builtin/packages/opus/package.py
index d3699c15499d834dcef41ac4bdeac8718010378f..0300847923582421da826aab2c40f33b1c944e7a 100644
--- a/var/spack/repos/builtin/packages/opus/package.py
+++ b/var/spack/repos/builtin/packages/opus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/orfm/package.py b/var/spack/repos/builtin/packages/orfm/package.py
index 7a6a442c2d9de66435a968dcaa926b6afd3c696d..092a0cb3194122c23aebc90f16bf527d43cc2763 100644
--- a/var/spack/repos/builtin/packages/orfm/package.py
+++ b/var/spack/repos/builtin/packages/orfm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/orthofinder/package.py b/var/spack/repos/builtin/packages/orthofinder/package.py
index 351d0c12f00415a82a11f64ee6cf4ed5e6987502..f89eddf6c86423a4dfe6e49884d4ad815022e9fb 100644
--- a/var/spack/repos/builtin/packages/orthofinder/package.py
+++ b/var/spack/repos/builtin/packages/orthofinder/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/orthomcl/package.py b/var/spack/repos/builtin/packages/orthomcl/package.py
index 83ca00b848564d5f3d4fba11d4a55df57f209487..41badd0f3b786a2e29dd13b6d2683f03e6fb8b6c 100644
--- a/var/spack/repos/builtin/packages/orthomcl/package.py
+++ b/var/spack/repos/builtin/packages/orthomcl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/osu-micro-benchmarks/package.py b/var/spack/repos/builtin/packages/osu-micro-benchmarks/package.py
index 8ca6fb01a9d303806dcc16157a071028dea5dfdb..0797824c3b802c96bc3582b7eeecc2889dedc776 100644
--- a/var/spack/repos/builtin/packages/osu-micro-benchmarks/package.py
+++ b/var/spack/repos/builtin/packages/osu-micro-benchmarks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/otf/package.py b/var/spack/repos/builtin/packages/otf/package.py
index fc858f031d0721df1654f7192e4bfc1924de1eec..ee94aa20c4c94f95c1d5230ec1d778b7db801314 100644
--- a/var/spack/repos/builtin/packages/otf/package.py
+++ b/var/spack/repos/builtin/packages/otf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/otf2/package.py b/var/spack/repos/builtin/packages/otf2/package.py
index 5868214afe764a375677763cb4a5756c163ece88..5999a816faee0c4ca83fa258b5ac94e7edb8e947 100644
--- a/var/spack/repos/builtin/packages/otf2/package.py
+++ b/var/spack/repos/builtin/packages/otf2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/p4est/package.py b/var/spack/repos/builtin/packages/p4est/package.py
index e0b3478edb5146a2d13bc4995c8cfb158e5ea999..ea26ee54f9029b7b7dd84c87f4ce3a155cf6ece3 100644
--- a/var/spack/repos/builtin/packages/p4est/package.py
+++ b/var/spack/repos/builtin/packages/p4est/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/p7zip/package.py b/var/spack/repos/builtin/packages/p7zip/package.py
index 35c71193b6007922b056a4a464df0d914f512878..72665ddc4bb7647742f313fb6f6f5bc9616f0a34 100644
--- a/var/spack/repos/builtin/packages/p7zip/package.py
+++ b/var/spack/repos/builtin/packages/p7zip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pacbio-daligner/package.py b/var/spack/repos/builtin/packages/pacbio-daligner/package.py
index 10b729781078d6c0d98a45b108d2abd4f9722463..9703eedc931175496eb9fa85a4ac2820de90b0ce 100644
--- a/var/spack/repos/builtin/packages/pacbio-daligner/package.py
+++ b/var/spack/repos/builtin/packages/pacbio-daligner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pacbio-damasker/package.py b/var/spack/repos/builtin/packages/pacbio-damasker/package.py
index 326a543a5fb3843a3b402f4cd95c6093d37fe002..92ed8fad1250e4a461e9abf32e176eb9295642a9 100644
--- a/var/spack/repos/builtin/packages/pacbio-damasker/package.py
+++ b/var/spack/repos/builtin/packages/pacbio-damasker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pacbio-dazz-db/package.py b/var/spack/repos/builtin/packages/pacbio-dazz-db/package.py
index 5f8eb9f3a6cb1e75dac2e65bcb8d7df03c88eb5b..8d79eb9e3caaa02f523953d7ca408976987f0c78 100644
--- a/var/spack/repos/builtin/packages/pacbio-dazz-db/package.py
+++ b/var/spack/repos/builtin/packages/pacbio-dazz-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pacbio-dextractor/package.py b/var/spack/repos/builtin/packages/pacbio-dextractor/package.py
index a1c70fea09619613083246b586baf2609a2113e1..43630ecc5e39186044a6fa9f25591b8a5ad416ad 100644
--- a/var/spack/repos/builtin/packages/pacbio-dextractor/package.py
+++ b/var/spack/repos/builtin/packages/pacbio-dextractor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pacvim/package.py b/var/spack/repos/builtin/packages/pacvim/package.py
index 84634470f4cd1ccdf224fbdae7e87606b20983a0..1a2fa456371772b9300572a23d9fc92c7cc9be8a 100644
--- a/var/spack/repos/builtin/packages/pacvim/package.py
+++ b/var/spack/repos/builtin/packages/pacvim/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pagit/package.py b/var/spack/repos/builtin/packages/pagit/package.py
index d276bbf3a97692953eca86af74b745b91eb485a9..b45154befd93a3be4a493cef8a9ff6f8e9d7f7aa 100644
--- a/var/spack/repos/builtin/packages/pagit/package.py
+++ b/var/spack/repos/builtin/packages/pagit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pagmo/package.py b/var/spack/repos/builtin/packages/pagmo/package.py
index b9ad4118828dfaa2b09b5f9f1fd13186ea0796b8..436750044270901353b6dec053efaaeb63a09c4e 100644
--- a/var/spack/repos/builtin/packages/pagmo/package.py
+++ b/var/spack/repos/builtin/packages/pagmo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/paml/package.py b/var/spack/repos/builtin/packages/paml/package.py
index b09fbcdf65c8668eb62094398a656d5861088aa9..9805e6bccddeaebafe0fc03b8a6d6574f40b1ac5 100644
--- a/var/spack/repos/builtin/packages/paml/package.py
+++ b/var/spack/repos/builtin/packages/paml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/panda/package.py b/var/spack/repos/builtin/packages/panda/package.py
index 09d1eb7ccddaeb98664c93d0f0fab0401d20e388..72bac89f33aee9a35bad8cb604295dae3c8a3b01 100644
--- a/var/spack/repos/builtin/packages/panda/package.py
+++ b/var/spack/repos/builtin/packages/panda/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pandaseq/package.py b/var/spack/repos/builtin/packages/pandaseq/package.py
index 2d269293c208348b682d988c2e1f7db79f9be0dd..877a55dd6bd73b33f2c530bb2cb4aba6ff59dbc7 100644
--- a/var/spack/repos/builtin/packages/pandaseq/package.py
+++ b/var/spack/repos/builtin/packages/pandaseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pango/package.py b/var/spack/repos/builtin/packages/pango/package.py
index b56751f531902125bc87c233165083a24750fa1b..ced2c63065629a7ae01816cbe962924707d84229 100644
--- a/var/spack/repos/builtin/packages/pango/package.py
+++ b/var/spack/repos/builtin/packages/pango/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pangomm/package.py b/var/spack/repos/builtin/packages/pangomm/package.py
index bb287596da58885c812c03067f4be4a25a78268f..e4275eef8db2bcce21bcda1c7d49ac14a39a5599 100644
--- a/var/spack/repos/builtin/packages/pangomm/package.py
+++ b/var/spack/repos/builtin/packages/pangomm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/papi/package.py b/var/spack/repos/builtin/packages/papi/package.py
index 0e9edca7f60305aacccd0033359a4de582fa4295..57de47f4d926e341bd1d051b65f4402147e4e2ae 100644
--- a/var/spack/repos/builtin/packages/papi/package.py
+++ b/var/spack/repos/builtin/packages/papi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/papyrus/package.py b/var/spack/repos/builtin/packages/papyrus/package.py
index a8bab0ed46bd383ddde595318ecb5e7a8a90a8c9..c3a1f8e52c7474267dbb7f78467873d6b60f92b3 100644
--- a/var/spack/repos/builtin/packages/papyrus/package.py
+++ b/var/spack/repos/builtin/packages/papyrus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/paradiseo/package.py b/var/spack/repos/builtin/packages/paradiseo/package.py
index a571533e3468beb027c9069df4acbd8aad8eb574..c559f6cf5912036c37f8d5d9f92c23fbf72f0a62 100644
--- a/var/spack/repos/builtin/packages/paradiseo/package.py
+++ b/var/spack/repos/builtin/packages/paradiseo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/parallel-netcdf/package.py b/var/spack/repos/builtin/packages/parallel-netcdf/package.py
index 599bf925da76eb8e07ee744fe792ea61f95cb12f..c1bde2110847f1ede0c1cc00ab5ac1537b7910f0 100644
--- a/var/spack/repos/builtin/packages/parallel-netcdf/package.py
+++ b/var/spack/repos/builtin/packages/parallel-netcdf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/parallel/package.py b/var/spack/repos/builtin/packages/parallel/package.py
index eab85c166bceb86a4a43a269bf33f30ca3dd7567..dbc7c8085e275e9f411697abc2d0042e9523abcc 100644
--- a/var/spack/repos/builtin/packages/parallel/package.py
+++ b/var/spack/repos/builtin/packages/parallel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/paraver/package.py b/var/spack/repos/builtin/packages/paraver/package.py
index 7556114e31dbb13dcaf59f3c27e3c59d92bb1b05..5945e06d6908b7f6b5cd3f71686553eaeef4f03a 100644
--- a/var/spack/repos/builtin/packages/paraver/package.py
+++ b/var/spack/repos/builtin/packages/paraver/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/paraview/package.py b/var/spack/repos/builtin/packages/paraview/package.py
index fa60f97bffb67ac805835f4d3ee9496651618e4c..32fdf3746ad43caf6eeb4aa68b88f51d3167b0e3 100644
--- a/var/spack/repos/builtin/packages/paraview/package.py
+++ b/var/spack/repos/builtin/packages/paraview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/parmetis/package.py b/var/spack/repos/builtin/packages/parmetis/package.py
index fca741888ac21aa2423370ab31390107e31b0b74..dad8a7cb1ec396a673c987e56dcbd8f062f0af86 100644
--- a/var/spack/repos/builtin/packages/parmetis/package.py
+++ b/var/spack/repos/builtin/packages/parmetis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import sys
diff --git a/var/spack/repos/builtin/packages/parmgridgen/package.py b/var/spack/repos/builtin/packages/parmgridgen/package.py
index 6b9ec6e99d277150452d5602f6eb327cb1716389..58960caaf2a4b3c88a5e84a90f1123b8b91c10ad 100644
--- a/var/spack/repos/builtin/packages/parmgridgen/package.py
+++ b/var/spack/repos/builtin/packages/parmgridgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/parquet/package.py b/var/spack/repos/builtin/packages/parquet/package.py
index 91e74a97a4389fb33089dfd70a2960c79c2b3f96..cca8b8eab18259b52d3a20a80d623553ef07b454 100644
--- a/var/spack/repos/builtin/packages/parquet/package.py
+++ b/var/spack/repos/builtin/packages/parquet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/parsimonator/package.py b/var/spack/repos/builtin/packages/parsimonator/package.py
index b0a2e63a91df5d68b3c30f0126a9fcf60070113f..70ac718ae9e3f5c857c89b61c60409dbdf24e593 100644
--- a/var/spack/repos/builtin/packages/parsimonator/package.py
+++ b/var/spack/repos/builtin/packages/parsimonator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/parsplice/package.py b/var/spack/repos/builtin/packages/parsplice/package.py
index 0b89600541deac924772207498a4639ba3619549..e07a704eb8a7268388b9cffd41f24f90d8b69500 100644
--- a/var/spack/repos/builtin/packages/parsplice/package.py
+++ b/var/spack/repos/builtin/packages/parsplice/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/partitionfinder/package.py b/var/spack/repos/builtin/packages/partitionfinder/package.py
index 3cc10a6df6d378f0bf7ba841fbdfec51639058c8..6c36c33c5cf6b893627fdee9b323c80b4fe9b5de 100644
--- a/var/spack/repos/builtin/packages/partitionfinder/package.py
+++ b/var/spack/repos/builtin/packages/partitionfinder/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/patch/package.py b/var/spack/repos/builtin/packages/patch/package.py
index 7b7ed2b19f3451f16149f7209173a66c111bf2e2..78868feacfad49003ed89ebfebb91188c0fb562c 100644
--- a/var/spack/repos/builtin/packages/patch/package.py
+++ b/var/spack/repos/builtin/packages/patch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/patchelf/package.py b/var/spack/repos/builtin/packages/patchelf/package.py
index db52c1616d5d997aa979c87a7551cc3c35715b13..793991cb3e5b8181c0449b951cf62a75684ec046 100644
--- a/var/spack/repos/builtin/packages/patchelf/package.py
+++ b/var/spack/repos/builtin/packages/patchelf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pathfinder/package.py b/var/spack/repos/builtin/packages/pathfinder/package.py
index fb44486797d26c5124e0fb3542dc8f79cbc04073..ec178597806dc2f8700fe20dd255b517210e51ff 100644
--- a/var/spack/repos/builtin/packages/pathfinder/package.py
+++ b/var/spack/repos/builtin/packages/pathfinder/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pax-utils/package.py b/var/spack/repos/builtin/packages/pax-utils/package.py
index 0230419ac0cb543816b3de6f29f0eed8639bfaf5..58a77568b7b153dd528180251785b7c003d18487 100644
--- a/var/spack/repos/builtin/packages/pax-utils/package.py
+++ b/var/spack/repos/builtin/packages/pax-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pbbam/package.py b/var/spack/repos/builtin/packages/pbbam/package.py
index f9b1ccc727b0ff9f88e730d3cc2b936f6625a7c5..67e2e8c585b20aefb00668967952b2b28b90e970 100644
--- a/var/spack/repos/builtin/packages/pbbam/package.py
+++ b/var/spack/repos/builtin/packages/pbbam/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pbmpi/package.py b/var/spack/repos/builtin/packages/pbmpi/package.py
index ba7099d7119870fea0ee6d4b1ea22063e3fd7a8c..f0432453edc597e542f0fb93e1fbf033c4350ce1 100644
--- a/var/spack/repos/builtin/packages/pbmpi/package.py
+++ b/var/spack/repos/builtin/packages/pbmpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pcma/package.py b/var/spack/repos/builtin/packages/pcma/package.py
index d60d76b5eadbbe78ddb1cf0fb29d8014fceb4f98..7d4f084402afd3a41dcb338167a5844df8cbb1bc 100644
--- a/var/spack/repos/builtin/packages/pcma/package.py
+++ b/var/spack/repos/builtin/packages/pcma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pcre/package.py b/var/spack/repos/builtin/packages/pcre/package.py
index 410beedea29043785efc5ea96e18370837df745b..32d61f10af6eff5f566a4a202dfaa8109cba7784 100644
--- a/var/spack/repos/builtin/packages/pcre/package.py
+++ b/var/spack/repos/builtin/packages/pcre/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pcre2/package.py b/var/spack/repos/builtin/packages/pcre2/package.py
index 3a624db0488f013dbc7e6513a87ef00ee4d36333..855696dbf3baee333dd9cbedaaec2887d50f1ef0 100644
--- a/var/spack/repos/builtin/packages/pcre2/package.py
+++ b/var/spack/repos/builtin/packages/pcre2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pdf2svg/package.py b/var/spack/repos/builtin/packages/pdf2svg/package.py
index 40626e2700c91cf75689d54e1fdb4e5caf07bed0..7253d498c2dad486d8e2f028ce628fa40aafa87d 100644
--- a/var/spack/repos/builtin/packages/pdf2svg/package.py
+++ b/var/spack/repos/builtin/packages/pdf2svg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pdftk/package.py b/var/spack/repos/builtin/packages/pdftk/package.py
index cbce63f039d2ee3b6e3ccb113c8a576152f1400f..10179873c74caa4436291aec8090f7a9a726091e 100644
--- a/var/spack/repos/builtin/packages/pdftk/package.py
+++ b/var/spack/repos/builtin/packages/pdftk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/pdsh/package.py b/var/spack/repos/builtin/packages/pdsh/package.py
index 4d9778eb64dae1b160296f1d55e7270a78e88848..353ea081a1649181d7fa744baeae238c032ff6d9 100644
--- a/var/spack/repos/builtin/packages/pdsh/package.py
+++ b/var/spack/repos/builtin/packages/pdsh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pdt/package.py b/var/spack/repos/builtin/packages/pdt/package.py
index 660e3e2ee2782bc21c1e5dd45de2809f70ee7563..503957a6c78a5ba43403bdec7bb474cc5fce9c6b 100644
--- a/var/spack/repos/builtin/packages/pdt/package.py
+++ b/var/spack/repos/builtin/packages/pdt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pegtl/package.py b/var/spack/repos/builtin/packages/pegtl/package.py
index 60fde4896f0efeb96ed5f9246cbd54aa0023cfdb..b04d65fba236e7d7d18950e3d6fb48a1679fbe7a 100644
--- a/var/spack/repos/builtin/packages/pegtl/package.py
+++ b/var/spack/repos/builtin/packages/pegtl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pennant/package.py b/var/spack/repos/builtin/packages/pennant/package.py
index 3f3fa6a6e20aa7d76a7c475aba49b6b077d0c93d..f8b6c228154be289b0bb26b8b26f444f62759507 100644
--- a/var/spack/repos/builtin/packages/pennant/package.py
+++ b/var/spack/repos/builtin/packages/pennant/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/percept/package.py b/var/spack/repos/builtin/packages/percept/package.py
index f3e62dc9f8a040d7a4fa1afa43c62e20173ea8a1..40a1d04fc9074fe0f74e2c8e84dab7c059c546b7 100644
--- a/var/spack/repos/builtin/packages/percept/package.py
+++ b/var/spack/repos/builtin/packages/percept/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-algorithm-diff/package.py b/var/spack/repos/builtin/packages/perl-algorithm-diff/package.py
index 5561f5a51239e9d50288d5ea4a5e5c569f849363..707651baeaab1fe029c4379d61472ed393511ef2 100644
--- a/var/spack/repos/builtin/packages/perl-algorithm-diff/package.py
+++ b/var/spack/repos/builtin/packages/perl-algorithm-diff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-app-cmd/package.py b/var/spack/repos/builtin/packages/perl-app-cmd/package.py
index 9bc09ab9f6e7f336a4b60a44808555a198cdeb3a..3240f053c0b9efaaaa59155e64bc64efbe248bf5 100644
--- a/var/spack/repos/builtin/packages/perl-app-cmd/package.py
+++ b/var/spack/repos/builtin/packages/perl-app-cmd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-array-utils/package.py b/var/spack/repos/builtin/packages/perl-array-utils/package.py
index cffaede22aff5415c414eca1f7841ad5bcee3d5b..157cf5c77e678b91d841eb711ed2af2f52802bee 100644
--- a/var/spack/repos/builtin/packages/perl-array-utils/package.py
+++ b/var/spack/repos/builtin/packages/perl-array-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-b-hooks-endofscope/package.py b/var/spack/repos/builtin/packages/perl-b-hooks-endofscope/package.py
index cefd4ca6182183e6f0ee797868530163612b71ce..39a48c4ea9a3de0b864a4a42a850cade57d50d6e 100644
--- a/var/spack/repos/builtin/packages/perl-b-hooks-endofscope/package.py
+++ b/var/spack/repos/builtin/packages/perl-b-hooks-endofscope/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-bio-perl/package.py b/var/spack/repos/builtin/packages/perl-bio-perl/package.py
index 7b526049880f6eed3a2e23c0f77c0317b8ee6ef3..6f16117b401e021251bdb8caa18fb4469f68247f 100644
--- a/var/spack/repos/builtin/packages/perl-bio-perl/package.py
+++ b/var/spack/repos/builtin/packages/perl-bio-perl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import inspect
 
diff --git a/var/spack/repos/builtin/packages/perl-bit-vector/package.py b/var/spack/repos/builtin/packages/perl-bit-vector/package.py
index d6b399780b0f1aaa7b2fe7a90601993d589047cd..1e4360a6c7cd9ed7753e1990bf3bc6659dd0b2bd 100644
--- a/var/spack/repos/builtin/packages/perl-bit-vector/package.py
+++ b/var/spack/repos/builtin/packages/perl-bit-vector/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-cairo/package.py b/var/spack/repos/builtin/packages/perl-cairo/package.py
index 883b27aa83393bb414e8cad0876c78910e171725..bda72971182de4d13cab104a82f6356a12fce8d0 100644
--- a/var/spack/repos/builtin/packages/perl-cairo/package.py
+++ b/var/spack/repos/builtin/packages/perl-cairo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-capture-tiny/package.py b/var/spack/repos/builtin/packages/perl-capture-tiny/package.py
index 05f79140cb90f91c8974a58a19930d5973301bc8..6b60946ca5feb20e309f3d6e2db8908907b1a2c6 100644
--- a/var/spack/repos/builtin/packages/perl-capture-tiny/package.py
+++ b/var/spack/repos/builtin/packages/perl-capture-tiny/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-carp-clan/package.py b/var/spack/repos/builtin/packages/perl-carp-clan/package.py
index c2643de918b43d3554a0679a4e7abff8bd6cee29..d55ac04be587ecaeb82cc64ec24d84ab7f4e5dc6 100644
--- a/var/spack/repos/builtin/packages/perl-carp-clan/package.py
+++ b/var/spack/repos/builtin/packages/perl-carp-clan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-cgi/package.py b/var/spack/repos/builtin/packages/perl-cgi/package.py
index 39d0126f7197de5d037d6f946930dcf0b52c8c97..4d0294293fd089e1f8950487b79817b528f12b8d 100644
--- a/var/spack/repos/builtin/packages/perl-cgi/package.py
+++ b/var/spack/repos/builtin/packages/perl-cgi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-class-data-inheritable/package.py b/var/spack/repos/builtin/packages/perl-class-data-inheritable/package.py
index dc87c5b56f115b17b31e6b5729f4b1b2e2d6e732..951d254395f33378ccf336a0a37ec89506249c09 100644
--- a/var/spack/repos/builtin/packages/perl-class-data-inheritable/package.py
+++ b/var/spack/repos/builtin/packages/perl-class-data-inheritable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-class-inspector/package.py b/var/spack/repos/builtin/packages/perl-class-inspector/package.py
index 6fbce7adf695460352cbc7fb2c38fbdbe93f9860..7bbd3cbbe3e72327d7ac326e3ae29bea1e984be8 100644
--- a/var/spack/repos/builtin/packages/perl-class-inspector/package.py
+++ b/var/spack/repos/builtin/packages/perl-class-inspector/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-class-load-xs/package.py b/var/spack/repos/builtin/packages/perl-class-load-xs/package.py
index 278eaf457a832fb86a5adc99fdc50ad183beacdd..a6a21821e8bab3c0fc683f552ab7302859d92667 100644
--- a/var/spack/repos/builtin/packages/perl-class-load-xs/package.py
+++ b/var/spack/repos/builtin/packages/perl-class-load-xs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-class-load/package.py b/var/spack/repos/builtin/packages/perl-class-load/package.py
index 9f21cfe6f673eacef3221cb85a2c6c020af012d7..2c5b91ebf913e32808b7fe631eb0e8055cb9ea84 100644
--- a/var/spack/repos/builtin/packages/perl-class-load/package.py
+++ b/var/spack/repos/builtin/packages/perl-class-load/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-compress-raw-bzip2/package.py b/var/spack/repos/builtin/packages/perl-compress-raw-bzip2/package.py
index 1d836ce93f24ecda362ad238181b5fc4922fcdbb..fe7e47f2f42b6f9341f79a973f840d608adf1105 100644
--- a/var/spack/repos/builtin/packages/perl-compress-raw-bzip2/package.py
+++ b/var/spack/repos/builtin/packages/perl-compress-raw-bzip2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-compress-raw-zlib/package.py b/var/spack/repos/builtin/packages/perl-compress-raw-zlib/package.py
index 35784f7c3d345d98f941030745a25442ef0f592e..215554ef97f4a9a10237a71831920158fa35c171 100644
--- a/var/spack/repos/builtin/packages/perl-compress-raw-zlib/package.py
+++ b/var/spack/repos/builtin/packages/perl-compress-raw-zlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-contextual-return/package.py b/var/spack/repos/builtin/packages/perl-contextual-return/package.py
index fe8e271f8a6efb3c43e76ec1bbf9c3a6471c86ec..752e807eab9485303167de2f84545ac52f5c80ef 100644
--- a/var/spack/repos/builtin/packages/perl-contextual-return/package.py
+++ b/var/spack/repos/builtin/packages/perl-contextual-return/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-cpan-meta-check/package.py b/var/spack/repos/builtin/packages/perl-cpan-meta-check/package.py
index 1012c29e5f04a32174cfffa31a90315359d29f9c..b1743bcd2a54bf21575b1c02389997fa1042ebf6 100644
--- a/var/spack/repos/builtin/packages/perl-cpan-meta-check/package.py
+++ b/var/spack/repos/builtin/packages/perl-cpan-meta-check/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-data-optlist/package.py b/var/spack/repos/builtin/packages/perl-data-optlist/package.py
index 150386648848d41a4b3c0e3506bbe7adf4952139..acc3b0cc942d380b758dcdeee4368a4584b1f2ef 100644
--- a/var/spack/repos/builtin/packages/perl-data-optlist/package.py
+++ b/var/spack/repos/builtin/packages/perl-data-optlist/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-data-stag/package.py b/var/spack/repos/builtin/packages/perl-data-stag/package.py
index b93888dddc8903a7e28a2e32fdbaab78fe26a643..0af9e0f25fa8bb5fbaa6ff093ee267124e1d2c1a 100644
--- a/var/spack/repos/builtin/packages/perl-data-stag/package.py
+++ b/var/spack/repos/builtin/packages/perl-data-stag/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-dbd-mysql/package.py b/var/spack/repos/builtin/packages/perl-dbd-mysql/package.py
index 24402d54267f30bca958f50f6b85930b3fb41285..81f61348142988ac814576ff58840f1516269755 100644
--- a/var/spack/repos/builtin/packages/perl-dbd-mysql/package.py
+++ b/var/spack/repos/builtin/packages/perl-dbd-mysql/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-dbd-sqlite/package.py b/var/spack/repos/builtin/packages/perl-dbd-sqlite/package.py
index 20935c11588f6e2e47d93401ae759f7b016dd5ab..6c8bd95ad7e65b18b3eb0e03fa96b098e87d8289 100644
--- a/var/spack/repos/builtin/packages/perl-dbd-sqlite/package.py
+++ b/var/spack/repos/builtin/packages/perl-dbd-sqlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-dbfile/package.py b/var/spack/repos/builtin/packages/perl-dbfile/package.py
index 0f6d894a4f1073d6df1fbef6ef4ffddcdb2697ca..e1c5ba0df7d5b910cb71bcc5d4f81cdbf7c1fc25 100644
--- a/var/spack/repos/builtin/packages/perl-dbfile/package.py
+++ b/var/spack/repos/builtin/packages/perl-dbfile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-dbi/package.py b/var/spack/repos/builtin/packages/perl-dbi/package.py
index d96edd5072dc8612c52355d1211f29d281dfa83d..694aee138acdc592a325567d0afe5f7df5ec506a 100644
--- a/var/spack/repos/builtin/packages/perl-dbi/package.py
+++ b/var/spack/repos/builtin/packages/perl-dbi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-devel-cycle/package.py b/var/spack/repos/builtin/packages/perl-devel-cycle/package.py
index b8f6354513209c38bf6182d16579692caf8bd10f..061b71350c588ed84e8b6b22ee3b7f65dfa2d212 100644
--- a/var/spack/repos/builtin/packages/perl-devel-cycle/package.py
+++ b/var/spack/repos/builtin/packages/perl-devel-cycle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-devel-globaldestruction/package.py b/var/spack/repos/builtin/packages/perl-devel-globaldestruction/package.py
index ed65d5641e8c8e6fdc74ff2b6d8a37c843178c9c..297a770dd14113f4ae5a5cd7623740b0dd2ff926 100644
--- a/var/spack/repos/builtin/packages/perl-devel-globaldestruction/package.py
+++ b/var/spack/repos/builtin/packages/perl-devel-globaldestruction/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-devel-overloadinfo/package.py b/var/spack/repos/builtin/packages/perl-devel-overloadinfo/package.py
index eac454c8bcf84e7f15fa48ab81006e0f8d893688..3499660c949d0bdb72ce1771675ae4c113ff528f 100644
--- a/var/spack/repos/builtin/packages/perl-devel-overloadinfo/package.py
+++ b/var/spack/repos/builtin/packages/perl-devel-overloadinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-devel-stacktrace/package.py b/var/spack/repos/builtin/packages/perl-devel-stacktrace/package.py
index ac3d8176d87b1eece092995e10b1a9d71eddeea3..2e366a2c1a72696050783252b36e46b1074bc4de 100644
--- a/var/spack/repos/builtin/packages/perl-devel-stacktrace/package.py
+++ b/var/spack/repos/builtin/packages/perl-devel-stacktrace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-digest-md5/package.py b/var/spack/repos/builtin/packages/perl-digest-md5/package.py
index 496f1be08027c01c9636b51e6637533efc789818..5466bd207871b46caeb6409afe1ce4bfc1fcfa53 100644
--- a/var/spack/repos/builtin/packages/perl-digest-md5/package.py
+++ b/var/spack/repos/builtin/packages/perl-digest-md5/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-dist-checkconflicts/package.py b/var/spack/repos/builtin/packages/perl-dist-checkconflicts/package.py
index 319159172d9500a68a1eede0ace63b03f436c18a..f545b9845e293113d13040d77c8e3c4fff4ecc86 100644
--- a/var/spack/repos/builtin/packages/perl-dist-checkconflicts/package.py
+++ b/var/spack/repos/builtin/packages/perl-dist-checkconflicts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-encode-locale/package.py b/var/spack/repos/builtin/packages/perl-encode-locale/package.py
index 785194fe04d7c661354e976168e09277b5fbf6e6..f05297043510ad1260961825ba77aaec2a925b52 100644
--- a/var/spack/repos/builtin/packages/perl-encode-locale/package.py
+++ b/var/spack/repos/builtin/packages/perl-encode-locale/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-eval-closure/package.py b/var/spack/repos/builtin/packages/perl-eval-closure/package.py
index 7e20a6e08d1042dce586d74cb75f7b34a92f7d59..5134ddaea6eca3f06773a08a30b1b4325d0b1f70 100644
--- a/var/spack/repos/builtin/packages/perl-eval-closure/package.py
+++ b/var/spack/repos/builtin/packages/perl-eval-closure/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-exception-class/package.py b/var/spack/repos/builtin/packages/perl-exception-class/package.py
index d3bba5b06ca2cd1bc871324aff395aabf7f10008..2877352b3ec49753ad953c08622890d1527fa251 100644
--- a/var/spack/repos/builtin/packages/perl-exception-class/package.py
+++ b/var/spack/repos/builtin/packages/perl-exception-class/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-exporter-tiny/package.py b/var/spack/repos/builtin/packages/perl-exporter-tiny/package.py
index 3a1eac168082ee78e59acb4711c11177dbd69a2c..cea49dbba3c8f4aff3f94e1fd92c8222572d1eb2 100644
--- a/var/spack/repos/builtin/packages/perl-exporter-tiny/package.py
+++ b/var/spack/repos/builtin/packages/perl-exporter-tiny/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-extutils-depends/package.py b/var/spack/repos/builtin/packages/perl-extutils-depends/package.py
index 265996a79836dda20285d8b33c6be93d8d0e29ac..d837ca9386d87682a7a327d827a1a85cb2fef075 100644
--- a/var/spack/repos/builtin/packages/perl-extutils-depends/package.py
+++ b/var/spack/repos/builtin/packages/perl-extutils-depends/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-extutils-makemaker/package.py b/var/spack/repos/builtin/packages/perl-extutils-makemaker/package.py
index 5245ddb69b250a114a3b43c46ed395680e84a56c..248056bc18482662f35cf1878c59d550e95889ce 100644
--- a/var/spack/repos/builtin/packages/perl-extutils-makemaker/package.py
+++ b/var/spack/repos/builtin/packages/perl-extutils-makemaker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-extutils-pkgconfig/package.py b/var/spack/repos/builtin/packages/perl-extutils-pkgconfig/package.py
index a1496dbd0b4e7feba28326c7cb76b368056e5d2e..1d1e4427cc52d2c6e006b54dd25932c5e212b9a5 100644
--- a/var/spack/repos/builtin/packages/perl-extutils-pkgconfig/package.py
+++ b/var/spack/repos/builtin/packages/perl-extutils-pkgconfig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-copy-recursive/package.py b/var/spack/repos/builtin/packages/perl-file-copy-recursive/package.py
index 75b2df580dbcd75ead9f20e4a4614db685efc865..4a39f173180fa16a28eced7784d6ae32a4192419 100644
--- a/var/spack/repos/builtin/packages/perl-file-copy-recursive/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-copy-recursive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-listing/package.py b/var/spack/repos/builtin/packages/perl-file-listing/package.py
index 963a1f628c1891bf88ec6c809b14fd2d539f8fdd..7907b8df1fef2c3216b7a8ddf3f4e55cf27d281e 100644
--- a/var/spack/repos/builtin/packages/perl-file-listing/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-listing/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-pushd/package.py b/var/spack/repos/builtin/packages/perl-file-pushd/package.py
index 9e06788f6751538e639c123572e2d7a303181892..5cea0aed7bdd0bdb3d20e13efa652fbbaa2a1aba 100644
--- a/var/spack/repos/builtin/packages/perl-file-pushd/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-pushd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-sharedir-install/package.py b/var/spack/repos/builtin/packages/perl-file-sharedir-install/package.py
index f7077eff780853479ec63093b2da83cd37972231..294342c1ecf0cea976724939b48ff33b35863579 100644
--- a/var/spack/repos/builtin/packages/perl-file-sharedir-install/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-sharedir-install/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-slurp-tiny/package.py b/var/spack/repos/builtin/packages/perl-file-slurp-tiny/package.py
index d8ec968e472cf864d1f7d2f8b8f6c47423d909a1..dd37eb5cb895e8e06c5a08d1bf679dffd28c879f 100644
--- a/var/spack/repos/builtin/packages/perl-file-slurp-tiny/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-slurp-tiny/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-slurper/package.py b/var/spack/repos/builtin/packages/perl-file-slurper/package.py
index 8128c2487fecb351b4813b94ef71e23999d9ceed..45a5fac76a905932317106e9adff6c3920c0b1d7 100644
--- a/var/spack/repos/builtin/packages/perl-file-slurper/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-slurper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-file-which/package.py b/var/spack/repos/builtin/packages/perl-file-which/package.py
index ab86a1dbb41bcfd538c5158b1931889e87108a04..bda5f582629558fae3ace5f3494dd048851edf28 100644
--- a/var/spack/repos/builtin/packages/perl-file-which/package.py
+++ b/var/spack/repos/builtin/packages/perl-file-which/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-font-ttf/package.py b/var/spack/repos/builtin/packages/perl-font-ttf/package.py
index 64d29c360248f1574b30a43fce6cac7720961c89..aa40f10abf31b8468883241b1c57f9e749ea864d 100644
--- a/var/spack/repos/builtin/packages/perl-font-ttf/package.py
+++ b/var/spack/repos/builtin/packages/perl-font-ttf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-gd-graph/package.py b/var/spack/repos/builtin/packages/perl-gd-graph/package.py
index c745c6f75eb3331a9de27ce31d2bf6818725c833..15b8a765ceaa0cf902cda03e2e614c9a0552f4ee 100644
--- a/var/spack/repos/builtin/packages/perl-gd-graph/package.py
+++ b/var/spack/repos/builtin/packages/perl-gd-graph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-gd-text/package.py b/var/spack/repos/builtin/packages/perl-gd-text/package.py
index 2b7e5cc924234897e06504cd62194af66973eb2a..71c4d053e062fea4ab8324fb901332233fbbf40f 100644
--- a/var/spack/repos/builtin/packages/perl-gd-text/package.py
+++ b/var/spack/repos/builtin/packages/perl-gd-text/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-gd/package.py b/var/spack/repos/builtin/packages/perl-gd/package.py
index 8fe869dc09520801821a87d93211eef2c11284d5..8b2367d439d5c905362784590a14341f1825105c 100644
--- a/var/spack/repos/builtin/packages/perl-gd/package.py
+++ b/var/spack/repos/builtin/packages/perl-gd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-gdgraph-histogram/package.py b/var/spack/repos/builtin/packages/perl-gdgraph-histogram/package.py
index 134c1994bb593c0b3852cb425b8877dbe336628b..ec632bceb9d567098ad8eba9449e588b0c0fdb19 100644
--- a/var/spack/repos/builtin/packages/perl-gdgraph-histogram/package.py
+++ b/var/spack/repos/builtin/packages/perl-gdgraph-histogram/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-graph-readwrite/package.py b/var/spack/repos/builtin/packages/perl-graph-readwrite/package.py
index 2392c8ef62c2a62c90454ae8a396d9596e49703f..cb4ffe72514752e0bad53679fd52c3b1b0382f22 100644
--- a/var/spack/repos/builtin/packages/perl-graph-readwrite/package.py
+++ b/var/spack/repos/builtin/packages/perl-graph-readwrite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-graph/package.py b/var/spack/repos/builtin/packages/perl-graph/package.py
index 0417ac03fa1182d9be21b1fe3fbceb806e22baaf..0bb59195c77138b16566003116b324131e1d1203 100644
--- a/var/spack/repos/builtin/packages/perl-graph/package.py
+++ b/var/spack/repos/builtin/packages/perl-graph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-html-parser/package.py b/var/spack/repos/builtin/packages/perl-html-parser/package.py
index a5b44b99c6afa2f9a98ddb9c3da28844540065e2..bdf2418437017a202391f966a0c23f511cef54d7 100644
--- a/var/spack/repos/builtin/packages/perl-html-parser/package.py
+++ b/var/spack/repos/builtin/packages/perl-html-parser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-html-tagset/package.py b/var/spack/repos/builtin/packages/perl-html-tagset/package.py
index 674d17df0dac3e30472094e3cd2ca967b0a9b396..ef838d9369f33b3f9873dba22f4b7aaea6fa83ff 100644
--- a/var/spack/repos/builtin/packages/perl-html-tagset/package.py
+++ b/var/spack/repos/builtin/packages/perl-html-tagset/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-http-cookies/package.py b/var/spack/repos/builtin/packages/perl-http-cookies/package.py
index 61dd019cfc882b54f78dc8d4aa5330ccf2bd49e1..41d5857f6bd1abebe104b9f57ad680682ab552fc 100644
--- a/var/spack/repos/builtin/packages/perl-http-cookies/package.py
+++ b/var/spack/repos/builtin/packages/perl-http-cookies/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-http-daemon/package.py b/var/spack/repos/builtin/packages/perl-http-daemon/package.py
index b3ef7d17c48aa719646cfcd22fb2fed6e4d05f6b..7d07ad36378737a5bcdf85a9f598045d95da35ef 100644
--- a/var/spack/repos/builtin/packages/perl-http-daemon/package.py
+++ b/var/spack/repos/builtin/packages/perl-http-daemon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-http-date/package.py b/var/spack/repos/builtin/packages/perl-http-date/package.py
index a4326753eaa117c2d9cc866e546ef75a95ca3f8d..a8a0f53b8a3d186f0c36553eb35572e0ee7ef095 100644
--- a/var/spack/repos/builtin/packages/perl-http-date/package.py
+++ b/var/spack/repos/builtin/packages/perl-http-date/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-http-message/package.py b/var/spack/repos/builtin/packages/perl-http-message/package.py
index 49ed80fdf3b1445b74879ef01c4b9ba186e7757f..4068241c75fb37e8d1f0eb7f104f31096a7840ed 100644
--- a/var/spack/repos/builtin/packages/perl-http-message/package.py
+++ b/var/spack/repos/builtin/packages/perl-http-message/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-http-negotiate/package.py b/var/spack/repos/builtin/packages/perl-http-negotiate/package.py
index f03dd25988f1a2608223dbf43f9d14c31601c232..cca1ddc47aa33913a49ce207df609755bfc530c6 100644
--- a/var/spack/repos/builtin/packages/perl-http-negotiate/package.py
+++ b/var/spack/repos/builtin/packages/perl-http-negotiate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-inline-c/package.py b/var/spack/repos/builtin/packages/perl-inline-c/package.py
index 8231150495bf536f8ae7a43522cdb4518134da9e..c5af6af4b794fea8ca1ae1f5f3f67df547a0773b 100644
--- a/var/spack/repos/builtin/packages/perl-inline-c/package.py
+++ b/var/spack/repos/builtin/packages/perl-inline-c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-inline/package.py b/var/spack/repos/builtin/packages/perl-inline/package.py
index 38803b87ed3bf9a25dcfcddaeed0af17c128cc1b..00ee8c3d9c217b765efd7760b888bf39b707cc9a 100644
--- a/var/spack/repos/builtin/packages/perl-inline/package.py
+++ b/var/spack/repos/builtin/packages/perl-inline/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-intervaltree/package.py b/var/spack/repos/builtin/packages/perl-intervaltree/package.py
index 33fe2a82db71de8ff2188ce293af39e884c46a9f..76b7c4b469e3e4de355be86d629c99f24349b099 100644
--- a/var/spack/repos/builtin/packages/perl-intervaltree/package.py
+++ b/var/spack/repos/builtin/packages/perl-intervaltree/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-io-compress/package.py b/var/spack/repos/builtin/packages/perl-io-compress/package.py
index c0eaac5aa486117902ef71db7f857ebb467ba590..ed8af2cbbf604ba1fe1a73a0c15efcfa62703724 100644
--- a/var/spack/repos/builtin/packages/perl-io-compress/package.py
+++ b/var/spack/repos/builtin/packages/perl-io-compress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-io-html/package.py b/var/spack/repos/builtin/packages/perl-io-html/package.py
index 00c0f494791c7f6e7914eb00575dfa92332d99d1..4fed8539bbbf901e9124502c421fa6d82a7ef686 100644
--- a/var/spack/repos/builtin/packages/perl-io-html/package.py
+++ b/var/spack/repos/builtin/packages/perl-io-html/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-io-sessiondata/package.py b/var/spack/repos/builtin/packages/perl-io-sessiondata/package.py
index 53f52eb3bbef864f6e253057980e7dde822b0720..426a0afed52eb39defb55be1f287b997228532ed 100644
--- a/var/spack/repos/builtin/packages/perl-io-sessiondata/package.py
+++ b/var/spack/repos/builtin/packages/perl-io-sessiondata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-io-socket-ssl/package.py b/var/spack/repos/builtin/packages/perl-io-socket-ssl/package.py
index 02364a939fc303c0426788fc852692358ac73bd8..25df82bf0d333094cd3adb15a3951118ed2e60ac 100644
--- a/var/spack/repos/builtin/packages/perl-io-socket-ssl/package.py
+++ b/var/spack/repos/builtin/packages/perl-io-socket-ssl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import inspect
 
diff --git a/var/spack/repos/builtin/packages/perl-io-string/package.py b/var/spack/repos/builtin/packages/perl-io-string/package.py
index 134ae2711f64a8387ffd7643b31fdefc1d0fd253..2ce98e7627d84146fee2a17dc381205188768a77 100644
--- a/var/spack/repos/builtin/packages/perl-io-string/package.py
+++ b/var/spack/repos/builtin/packages/perl-io-string/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-json/package.py b/var/spack/repos/builtin/packages/perl-json/package.py
index e901799bceab01f5e535452355f0f81f1122187a..2c0b41dcad4f3a2de3a4537b87ef60d1b74c0933 100644
--- a/var/spack/repos/builtin/packages/perl-json/package.py
+++ b/var/spack/repos/builtin/packages/perl-json/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-libwww-perl/package.py b/var/spack/repos/builtin/packages/perl-libwww-perl/package.py
index bf6a277bb6fbeb84b75d5c13f5126985a57988c0..93344cc710899ea2d397dc1afecde28484413110 100644
--- a/var/spack/repos/builtin/packages/perl-libwww-perl/package.py
+++ b/var/spack/repos/builtin/packages/perl-libwww-perl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-list-moreutils/package.py b/var/spack/repos/builtin/packages/perl-list-moreutils/package.py
index 051010a50c1710a0ce189af056e56a0f4b2905f8..6a23032fd143e4243bf5713fd1b2c4b9015e11f4 100644
--- a/var/spack/repos/builtin/packages/perl-list-moreutils/package.py
+++ b/var/spack/repos/builtin/packages/perl-list-moreutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-log-log4perl/package.py b/var/spack/repos/builtin/packages/perl-log-log4perl/package.py
index 5307cd18fde54fb99f6f5b7c6dfd080d56d000c1..dabb293e133745edc28c91a51c516639051f4566 100644
--- a/var/spack/repos/builtin/packages/perl-log-log4perl/package.py
+++ b/var/spack/repos/builtin/packages/perl-log-log4perl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-lwp-mediatypes/package.py b/var/spack/repos/builtin/packages/perl-lwp-mediatypes/package.py
index ce946ba2aa71bfb30cb56b98a5979d3e4825cfbf..6955add7fe25a3b89ab33b55b9bb5e1be0875ea8 100644
--- a/var/spack/repos/builtin/packages/perl-lwp-mediatypes/package.py
+++ b/var/spack/repos/builtin/packages/perl-lwp-mediatypes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-lwp-protocol-https/package.py b/var/spack/repos/builtin/packages/perl-lwp-protocol-https/package.py
index 40d38e3cb2319073471798b7408267ac3d3bc335..200bd7700c880bb6bfaf3f1554903b72ad5fcf35 100644
--- a/var/spack/repos/builtin/packages/perl-lwp-protocol-https/package.py
+++ b/var/spack/repos/builtin/packages/perl-lwp-protocol-https/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-lwp/package.py b/var/spack/repos/builtin/packages/perl-lwp/package.py
index ba12bc5ec3517be994aa7510051043b373de4ff4..7d00186250938a47d8a932c7a90d793848016c31 100644
--- a/var/spack/repos/builtin/packages/perl-lwp/package.py
+++ b/var/spack/repos/builtin/packages/perl-lwp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-math-cdf/package.py b/var/spack/repos/builtin/packages/perl-math-cdf/package.py
index b08737c046e34e06c21c8bb60ff807eedac771a8..509b91686834824d7dfa97743b1822e8316560ff 100644
--- a/var/spack/repos/builtin/packages/perl-math-cdf/package.py
+++ b/var/spack/repos/builtin/packages/perl-math-cdf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-math-cephes/package.py b/var/spack/repos/builtin/packages/perl-math-cephes/package.py
index d4baa23e3ff4e7e2ce2da5a47e86c915cc01a8a1..4b5899271eacd20b64b510e81a691cdee076f1b5 100644
--- a/var/spack/repos/builtin/packages/perl-math-cephes/package.py
+++ b/var/spack/repos/builtin/packages/perl-math-cephes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-math-matrixreal/package.py b/var/spack/repos/builtin/packages/perl-math-matrixreal/package.py
index 860351bc5e1b31f97bdbdfebfec82a0dea911a62..54d57d564e810dc40cf4262e9887666e4f03e285 100644
--- a/var/spack/repos/builtin/packages/perl-math-matrixreal/package.py
+++ b/var/spack/repos/builtin/packages/perl-math-matrixreal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-module-build/package.py b/var/spack/repos/builtin/packages/perl-module-build/package.py
index bed9815ddfefbb0072de5ec8133b1a49f75caf58..cfe492c9e04e89096f635192d4ff51b0478944d3 100644
--- a/var/spack/repos/builtin/packages/perl-module-build/package.py
+++ b/var/spack/repos/builtin/packages/perl-module-build/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/perl-module-implementation/package.py b/var/spack/repos/builtin/packages/perl-module-implementation/package.py
index e0facbf2e4d244fd416ef9ff709da38f0ef5a6a9..ca8c2be284966b69dac46cc77f1388e0196b6703 100644
--- a/var/spack/repos/builtin/packages/perl-module-implementation/package.py
+++ b/var/spack/repos/builtin/packages/perl-module-implementation/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-module-runtime-conflicts/package.py b/var/spack/repos/builtin/packages/perl-module-runtime-conflicts/package.py
index cd2d5c9a8248d11bf11d1f07db4dee09caaf970b..d3e8c6757ff8c14481acc81dec7fe4bc36e43aec 100644
--- a/var/spack/repos/builtin/packages/perl-module-runtime-conflicts/package.py
+++ b/var/spack/repos/builtin/packages/perl-module-runtime-conflicts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-module-runtime/package.py b/var/spack/repos/builtin/packages/perl-module-runtime/package.py
index 9fad6c1d007c07bbd6cf54ca593373f07d595677..b694f2eeed0d0c9802b378df1ac4147a2af7e3dc 100644
--- a/var/spack/repos/builtin/packages/perl-module-runtime/package.py
+++ b/var/spack/repos/builtin/packages/perl-module-runtime/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-moose/package.py b/var/spack/repos/builtin/packages/perl-moose/package.py
index 7854e834def6d6644069b91f6ebbf1c0dacf5ec7..25c54026915976705348aeda1e250b9855c3fea4 100644
--- a/var/spack/repos/builtin/packages/perl-moose/package.py
+++ b/var/spack/repos/builtin/packages/perl-moose/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-mozilla-ca/package.py b/var/spack/repos/builtin/packages/perl-mozilla-ca/package.py
index 9334a77e1491bdae59ce64ab486c99c769d7541a..6ab7f85ade3b3f686762ee03b5242e76296257b6 100644
--- a/var/spack/repos/builtin/packages/perl-mozilla-ca/package.py
+++ b/var/spack/repos/builtin/packages/perl-mozilla-ca/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-mro-compat/package.py b/var/spack/repos/builtin/packages/perl-mro-compat/package.py
index ae982a2eb96aa88e00921924288ff1c53c24438b..be1b7ec3a5e6ab7924ec33be3dbebf3375bd2c28 100644
--- a/var/spack/repos/builtin/packages/perl-mro-compat/package.py
+++ b/var/spack/repos/builtin/packages/perl-mro-compat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-namespace-clean/package.py b/var/spack/repos/builtin/packages/perl-namespace-clean/package.py
index cff5b92800625c5e065d9ddba13162c7206f4d1c..fec8be732e97009ba6ecfa40ea4569df03e5a3e7 100644
--- a/var/spack/repos/builtin/packages/perl-namespace-clean/package.py
+++ b/var/spack/repos/builtin/packages/perl-namespace-clean/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-net-http/package.py b/var/spack/repos/builtin/packages/perl-net-http/package.py
index dd3bd2b640ba2c4b6492506a45ac084ccc4f9488..272ce07bb07b652ea8caba050dc9e31aaa8728c0 100644
--- a/var/spack/repos/builtin/packages/perl-net-http/package.py
+++ b/var/spack/repos/builtin/packages/perl-net-http/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-net-scp-expect/package.py b/var/spack/repos/builtin/packages/perl-net-scp-expect/package.py
index 5e07199158895a90c2cf3ca993e1fc87ae798bd1..5969f63a4b4abb6ec4ae3e014ecf85b3604b954b 100644
--- a/var/spack/repos/builtin/packages/perl-net-scp-expect/package.py
+++ b/var/spack/repos/builtin/packages/perl-net-scp-expect/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-net-ssleay/package.py b/var/spack/repos/builtin/packages/perl-net-ssleay/package.py
index 390439bc3f6a7e869ea1f2ae95ccffb2ce943b10..5f84ceebfbfaac84f61bea93c77e4ffbb5516e3f 100644
--- a/var/spack/repos/builtin/packages/perl-net-ssleay/package.py
+++ b/var/spack/repos/builtin/packages/perl-net-ssleay/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import inspect
 
diff --git a/var/spack/repos/builtin/packages/perl-package-deprecationmanager/package.py b/var/spack/repos/builtin/packages/perl-package-deprecationmanager/package.py
index dc6d8da1b9e8eea2c88fd23af71ac5ca2f34f436..ba07697509f4eb6fdd37de5ffae6346c618a8682 100644
--- a/var/spack/repos/builtin/packages/perl-package-deprecationmanager/package.py
+++ b/var/spack/repos/builtin/packages/perl-package-deprecationmanager/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-package-stash-xs/package.py b/var/spack/repos/builtin/packages/perl-package-stash-xs/package.py
index e57058547e6d35320cb94ccfe16e893768948271..9dd65c9fb34cc7fd8cfcd14e6c5db7400c4b97ba 100644
--- a/var/spack/repos/builtin/packages/perl-package-stash-xs/package.py
+++ b/var/spack/repos/builtin/packages/perl-package-stash-xs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-package-stash/package.py b/var/spack/repos/builtin/packages/perl-package-stash/package.py
index cc4a2d6fd96c421b891b09592fe768a39314f1ec..9f772e5196d107a95cdc835db90ff98815316218 100644
--- a/var/spack/repos/builtin/packages/perl-package-stash/package.py
+++ b/var/spack/repos/builtin/packages/perl-package-stash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-padwalker/package.py b/var/spack/repos/builtin/packages/perl-padwalker/package.py
index 7ca73bdf741cd96044adac75d121d8f566ff46ce..f9e028e35df0536b974cd5da254af9a13cd64e0f 100644
--- a/var/spack/repos/builtin/packages/perl-padwalker/package.py
+++ b/var/spack/repos/builtin/packages/perl-padwalker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-parallel-forkmanager/package.py b/var/spack/repos/builtin/packages/perl-parallel-forkmanager/package.py
index 38e54e1d1b219dd489b06451ff2b08e62865afa6..46cb34f99f59b11f8837f011440addda3b80b2bb 100644
--- a/var/spack/repos/builtin/packages/perl-parallel-forkmanager/package.py
+++ b/var/spack/repos/builtin/packages/perl-parallel-forkmanager/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-params-util/package.py b/var/spack/repos/builtin/packages/perl-params-util/package.py
index ca58b78418d33f86902f99d7cd15847526efce41..503b276a6c6361ba02092c7647cb27c7549c5c0d 100644
--- a/var/spack/repos/builtin/packages/perl-params-util/package.py
+++ b/var/spack/repos/builtin/packages/perl-params-util/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-parse-recdescent/package.py b/var/spack/repos/builtin/packages/perl-parse-recdescent/package.py
index 55a77f6980afa824df9f14a5ee17409af97ef0bf..a9623c453ab8d61d4da15664d49902e2fadb5691 100644
--- a/var/spack/repos/builtin/packages/perl-parse-recdescent/package.py
+++ b/var/spack/repos/builtin/packages/perl-parse-recdescent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-pdf-api2/package.py b/var/spack/repos/builtin/packages/perl-pdf-api2/package.py
index 0cf9e9b25f3dfc5e950ba6eef904edf0ef0c7772..6322e135588bde261a537899bd577e5bdc8fbd2a 100644
--- a/var/spack/repos/builtin/packages/perl-pdf-api2/package.py
+++ b/var/spack/repos/builtin/packages/perl-pdf-api2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-pegex/package.py b/var/spack/repos/builtin/packages/perl-pegex/package.py
index a9aca782d81427d0c4fa3dfc8c69971d2629c7bf..62015d26822b6f63fd6f78a09abf40e5261f25d2 100644
--- a/var/spack/repos/builtin/packages/perl-pegex/package.py
+++ b/var/spack/repos/builtin/packages/perl-pegex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-perl4-corelibs/package.py b/var/spack/repos/builtin/packages/perl-perl4-corelibs/package.py
index d7d0c9cc18a355e4b51c2dfd3515f65fb471a5ee..cd4f4d1d4e1c369daa9c88dc47f3f1126b784777 100644
--- a/var/spack/repos/builtin/packages/perl-perl4-corelibs/package.py
+++ b/var/spack/repos/builtin/packages/perl-perl4-corelibs/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/perl-perl6-slurp/package.py b/var/spack/repos/builtin/packages/perl-perl6-slurp/package.py
index 6256affb4e8162edab918a11abe5bc864899770a..69721a7d04b9b82f3d6299b8a23e9e2171dd5f1e 100644
--- a/var/spack/repos/builtin/packages/perl-perl6-slurp/package.py
+++ b/var/spack/repos/builtin/packages/perl-perl6-slurp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-perlio-gzip/package.py b/var/spack/repos/builtin/packages/perl-perlio-gzip/package.py
index 9790f6e9096cd7c5a89ec831f92ff855bbbdcb9e..44996865bc62f2389fe6f374fad1b7d6c28387d0 100644
--- a/var/spack/repos/builtin/packages/perl-perlio-gzip/package.py
+++ b/var/spack/repos/builtin/packages/perl-perlio-gzip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-perlio-utf8-strict/package.py b/var/spack/repos/builtin/packages/perl-perlio-utf8-strict/package.py
index 67c76973ca57ce6ac814211e74f2ae9c1fbe9728..5bd83c8fdc426ef263578c921d9c44f619afee83 100644
--- a/var/spack/repos/builtin/packages/perl-perlio-utf8-strict/package.py
+++ b/var/spack/repos/builtin/packages/perl-perlio-utf8-strict/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-scalar-util-numeric/package.py b/var/spack/repos/builtin/packages/perl-scalar-util-numeric/package.py
index 1b4ecea11e615dd75c409e6d32ffac59e172c397..dbc3e96388d605e5860bd5ae0f8a9da39223b59d 100644
--- a/var/spack/repos/builtin/packages/perl-scalar-util-numeric/package.py
+++ b/var/spack/repos/builtin/packages/perl-scalar-util-numeric/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-soap-lite/package.py b/var/spack/repos/builtin/packages/perl-soap-lite/package.py
index a2c4e94e38bdc4034c7836ad5f0201ee6039b0c3..f6e357a65b99621855b232cdb075b3535c02e96c 100644
--- a/var/spack/repos/builtin/packages/perl-soap-lite/package.py
+++ b/var/spack/repos/builtin/packages/perl-soap-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-star-fusion/package.py b/var/spack/repos/builtin/packages/perl-star-fusion/package.py
index 7de2950da22d7ee1ece09850729be8a8f242cb8c..4c137739d52d977e18c20fd6e98d940f0596188f 100644
--- a/var/spack/repos/builtin/packages/perl-star-fusion/package.py
+++ b/var/spack/repos/builtin/packages/perl-star-fusion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from glob import glob
 
diff --git a/var/spack/repos/builtin/packages/perl-statistics-descriptive/package.py b/var/spack/repos/builtin/packages/perl-statistics-descriptive/package.py
index 9cceaf6c39b065a05286d8bae6ae6bfe8eed375e..e35bca37c022b619d20e1dec9da0178423ffe9be 100644
--- a/var/spack/repos/builtin/packages/perl-statistics-descriptive/package.py
+++ b/var/spack/repos/builtin/packages/perl-statistics-descriptive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-statistics-pca/package.py b/var/spack/repos/builtin/packages/perl-statistics-pca/package.py
index 7ef7ca5eb6c5f19c0d486ba50f673af95d8d3d19..cd2e6844a665bd474e3ed8a14b9e5102ff92f666 100644
--- a/var/spack/repos/builtin/packages/perl-statistics-pca/package.py
+++ b/var/spack/repos/builtin/packages/perl-statistics-pca/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-sub-exporter-progressive/package.py b/var/spack/repos/builtin/packages/perl-sub-exporter-progressive/package.py
index 175b912328679f01c2abebfd59d18e322cac8085..88930215ef4f1b69bb78d20a870c617d6a24e8e9 100644
--- a/var/spack/repos/builtin/packages/perl-sub-exporter-progressive/package.py
+++ b/var/spack/repos/builtin/packages/perl-sub-exporter-progressive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-sub-exporter/package.py b/var/spack/repos/builtin/packages/perl-sub-exporter/package.py
index e0aecf359caa65b5e144bc7efadf2b954bbf2bcb..184af5ccda313b212b936bdb98ab809901db4b42 100644
--- a/var/spack/repos/builtin/packages/perl-sub-exporter/package.py
+++ b/var/spack/repos/builtin/packages/perl-sub-exporter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-sub-identify/package.py b/var/spack/repos/builtin/packages/perl-sub-identify/package.py
index c985ee4d69390482b42eefd45d80ad2b841ec5b5..69707749465968be78ad2678de8eaf1546657fd7 100644
--- a/var/spack/repos/builtin/packages/perl-sub-identify/package.py
+++ b/var/spack/repos/builtin/packages/perl-sub-identify/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-sub-install/package.py b/var/spack/repos/builtin/packages/perl-sub-install/package.py
index 2e552d5c375242f2c5cf4476ed6969cd614932af..ee0088d3c06e664ddcbdc8c75abace34d661b576 100644
--- a/var/spack/repos/builtin/packages/perl-sub-install/package.py
+++ b/var/spack/repos/builtin/packages/perl-sub-install/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-sub-name/package.py b/var/spack/repos/builtin/packages/perl-sub-name/package.py
index 2022fb5dcacc96bb7e762a6238d89440e115cef8..82d4606fff59536e7c69336e1a97d74999a03249 100644
--- a/var/spack/repos/builtin/packages/perl-sub-name/package.py
+++ b/var/spack/repos/builtin/packages/perl-sub-name/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-sub-uplevel/package.py b/var/spack/repos/builtin/packages/perl-sub-uplevel/package.py
index 7a71db1267ad76da4577e3c49dc26f749386a69f..46f4b4f68bf7412748f92d146a649b6454d7ddb7 100644
--- a/var/spack/repos/builtin/packages/perl-sub-uplevel/package.py
+++ b/var/spack/repos/builtin/packages/perl-sub-uplevel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-svg/package.py b/var/spack/repos/builtin/packages/perl-svg/package.py
index 0d5fa2f121859696e270ea20d60111be7bf5cb87..6152c8395e58f8c90a4f9cc9c3a17ebc7c43b350 100644
--- a/var/spack/repos/builtin/packages/perl-svg/package.py
+++ b/var/spack/repos/builtin/packages/perl-svg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-swissknife/package.py b/var/spack/repos/builtin/packages/perl-swissknife/package.py
index 29ee52245688aa71717d314ca423a73a9cc88b01..6f0a105b4c079599f0f4bc3b9986a5e5c7b9e2c8 100644
--- a/var/spack/repos/builtin/packages/perl-swissknife/package.py
+++ b/var/spack/repos/builtin/packages/perl-swissknife/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-task-weaken/package.py b/var/spack/repos/builtin/packages/perl-task-weaken/package.py
index 7dca9cbf35a7d321abf2f405f273223d7ce8f4f6..810ce1dae80ccda446e18678b5a2f6eae050a532 100644
--- a/var/spack/repos/builtin/packages/perl-task-weaken/package.py
+++ b/var/spack/repos/builtin/packages/perl-task-weaken/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-term-readkey/package.py b/var/spack/repos/builtin/packages/perl-term-readkey/package.py
index be61e1297321b65c0b094b4082e351d5e72567ed..fa812f1bf575580e5047f1165466422ceab267f4 100644
--- a/var/spack/repos/builtin/packages/perl-term-readkey/package.py
+++ b/var/spack/repos/builtin/packages/perl-term-readkey/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-cleannamespaces/package.py b/var/spack/repos/builtin/packages/perl-test-cleannamespaces/package.py
index 262da14fedd979db34ec549bca9143fccf31c2c2..a80ec687abe06be7f0eb72c9f1bfccd0fcbe90ff 100644
--- a/var/spack/repos/builtin/packages/perl-test-cleannamespaces/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-cleannamespaces/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-deep/package.py b/var/spack/repos/builtin/packages/perl-test-deep/package.py
index 3099b8ec66fe88536bc5537b5aa6fd27fa6e13a7..94b6edc5cb19d74e961129976efdf6e2e477d3e9 100644
--- a/var/spack/repos/builtin/packages/perl-test-deep/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-deep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-differences/package.py b/var/spack/repos/builtin/packages/perl-test-differences/package.py
index f3878759004c9bae36603fc51e6fd2a7d11f27cf..10a738737cecf58a0761d20b7c87a1cb832e2e75 100644
--- a/var/spack/repos/builtin/packages/perl-test-differences/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-differences/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-exception/package.py b/var/spack/repos/builtin/packages/perl-test-exception/package.py
index b9546f01289958f6f2f45d2b4226a2001e4c4753..05ffa21c9e8c79c94f798cd9ebe9dc7de997faef 100644
--- a/var/spack/repos/builtin/packages/perl-test-exception/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-exception/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-fatal/package.py b/var/spack/repos/builtin/packages/perl-test-fatal/package.py
index f3867e4c625b018dfa1007bd0c32db418b86d7d8..6e7833f291d7ca2ee49c64f6802709cacbdd671d 100644
--- a/var/spack/repos/builtin/packages/perl-test-fatal/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-fatal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-memory-cycle/package.py b/var/spack/repos/builtin/packages/perl-test-memory-cycle/package.py
index 9cc73c86ccf6cf4e0a472bc94ab5b2ad13f4ce9f..e8c42e383962c752e2ff4c2060ea26a845c90f67 100644
--- a/var/spack/repos/builtin/packages/perl-test-memory-cycle/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-memory-cycle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-most/package.py b/var/spack/repos/builtin/packages/perl-test-most/package.py
index 1b66f75c65af39e738eed0514c018340bfddfd3f..90aa5cf79c85af8ad62b5e188debcf3f343d0904 100644
--- a/var/spack/repos/builtin/packages/perl-test-most/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-most/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-needs/package.py b/var/spack/repos/builtin/packages/perl-test-needs/package.py
index dbea54df32325521b4a6341d6dad32050600843f..8d07133156a2127f899c95bff06ac14bd1072249 100644
--- a/var/spack/repos/builtin/packages/perl-test-needs/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-needs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-requires/package.py b/var/spack/repos/builtin/packages/perl-test-requires/package.py
index 81dc2603cd499ffda0a4777d7dc15b39f4004ac0..bd4c395c681b85bd5cbbf12f8d3762668b34802f 100644
--- a/var/spack/repos/builtin/packages/perl-test-requires/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-requires/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-requiresinternet/package.py b/var/spack/repos/builtin/packages/perl-test-requiresinternet/package.py
index bbc461fadfdc938456877c8c149f1e3ed9a89b7a..e8f412a74fd9fb04843f57d60892e3787fd43e3b 100644
--- a/var/spack/repos/builtin/packages/perl-test-requiresinternet/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-requiresinternet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-warn/package.py b/var/spack/repos/builtin/packages/perl-test-warn/package.py
index 951b108d01d7e2ccad27f2e0acc3b35603429c4c..d72aea13494e62a142bc6a7140b03a811f659dd1 100644
--- a/var/spack/repos/builtin/packages/perl-test-warn/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-warn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-test-warnings/package.py b/var/spack/repos/builtin/packages/perl-test-warnings/package.py
index ba8d921ef2fcde021086ee417831d5954aa5484d..5d36d5d20fad1f9149ae03d02312c1f6b032748c 100644
--- a/var/spack/repos/builtin/packages/perl-test-warnings/package.py
+++ b/var/spack/repos/builtin/packages/perl-test-warnings/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-text-csv/package.py b/var/spack/repos/builtin/packages/perl-text-csv/package.py
index b032256fedb11f0d57d0539d16df70c2344d2321..4f57470fb458a5cf7f9c9777a6396239bc1fef27 100644
--- a/var/spack/repos/builtin/packages/perl-text-csv/package.py
+++ b/var/spack/repos/builtin/packages/perl-text-csv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-text-diff/package.py b/var/spack/repos/builtin/packages/perl-text-diff/package.py
index 26985419fd903d3041b5447111503a8d97785e36..22133655710ea65dd90a0a83989eff6d629b602e 100644
--- a/var/spack/repos/builtin/packages/perl-text-diff/package.py
+++ b/var/spack/repos/builtin/packages/perl-text-diff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-text-simpletable/package.py b/var/spack/repos/builtin/packages/perl-text-simpletable/package.py
index 3c02252354ddf5f44c36dad39b64a33df1fc1b8c..175d707fc8e956a90df974ddac67cde4b40aada4 100644
--- a/var/spack/repos/builtin/packages/perl-text-simpletable/package.py
+++ b/var/spack/repos/builtin/packages/perl-text-simpletable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-text-soundex/package.py b/var/spack/repos/builtin/packages/perl-text-soundex/package.py
index 33de11f7888c5ab295ba933d4790d00ae787d782..69ca76f26223c0e2a9847fa7eafbf374b2194449 100644
--- a/var/spack/repos/builtin/packages/perl-text-soundex/package.py
+++ b/var/spack/repos/builtin/packages/perl-text-soundex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-text-unidecode/package.py b/var/spack/repos/builtin/packages/perl-text-unidecode/package.py
index ad04670441169afab58ea1b8386c67241ac56ead..792f8e8e74dfeca32d76b0879a0f16b373fc19bb 100644
--- a/var/spack/repos/builtin/packages/perl-text-unidecode/package.py
+++ b/var/spack/repos/builtin/packages/perl-text-unidecode/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-time-hires/package.py b/var/spack/repos/builtin/packages/perl-time-hires/package.py
index b2db1d330da1e245cffbf4183b7f7d897c7e4911..5250614010f49596baaa4b1d1f3b211ce9f618c8 100644
--- a/var/spack/repos/builtin/packages/perl-time-hires/package.py
+++ b/var/spack/repos/builtin/packages/perl-time-hires/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-time-piece/package.py b/var/spack/repos/builtin/packages/perl-time-piece/package.py
index 2e2984a608ee641d1c3c87d538c30834d79dcb5d..fe24c198ac9c373fec77432b2f1265d6e18ebb06 100644
--- a/var/spack/repos/builtin/packages/perl-time-piece/package.py
+++ b/var/spack/repos/builtin/packages/perl-time-piece/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-try-tiny/package.py b/var/spack/repos/builtin/packages/perl-try-tiny/package.py
index da604864ab200819208aef06b8016af3e4c00e0c..a985b7e7fb862405e6978e0cdf2f538485994d79 100644
--- a/var/spack/repos/builtin/packages/perl-try-tiny/package.py
+++ b/var/spack/repos/builtin/packages/perl-try-tiny/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-uri-escape/package.py b/var/spack/repos/builtin/packages/perl-uri-escape/package.py
index d6cd70d9686b88d875129c95be47159b2280d152..64d7ba40fc7adda499bf3b2f49f6bad1afe2d631 100644
--- a/var/spack/repos/builtin/packages/perl-uri-escape/package.py
+++ b/var/spack/repos/builtin/packages/perl-uri-escape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-uri/package.py b/var/spack/repos/builtin/packages/perl-uri/package.py
index fa8dfd1e9ad21d96a178a3208ba3533744df2601..af5fb9a980814368aaa22a77b150eeb5b87c0648 100644
--- a/var/spack/repos/builtin/packages/perl-uri/package.py
+++ b/var/spack/repos/builtin/packages/perl-uri/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-version/package.py b/var/spack/repos/builtin/packages/perl-version/package.py
index 8cbdc2bde0a4789b52bc32660d018a4494820268..e9a40018c829ccd52e5e0863d6e3270a10df3136 100644
--- a/var/spack/repos/builtin/packages/perl-version/package.py
+++ b/var/spack/repos/builtin/packages/perl-version/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-want/package.py b/var/spack/repos/builtin/packages/perl-want/package.py
index d61fc68241c68ddb43ef6b55179c1882b07b3cc0..acd9e31da258f1ddf1c8910209b27d21488b9363 100644
--- a/var/spack/repos/builtin/packages/perl-want/package.py
+++ b/var/spack/repos/builtin/packages/perl-want/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-www-robotrules/package.py b/var/spack/repos/builtin/packages/perl-www-robotrules/package.py
index 05006d807dcb6149cf29fa33804bfffa3dbabc13..5f544708219911faca35626c6f2e7c006a5ad00a 100644
--- a/var/spack/repos/builtin/packages/perl-www-robotrules/package.py
+++ b/var/spack/repos/builtin/packages/perl-www-robotrules/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-xml-parser-lite/package.py b/var/spack/repos/builtin/packages/perl-xml-parser-lite/package.py
index cd2bd78c567c776c59a14d8d28b084e3128f634d..f4b7773e217664c9b38686928cc8fa1455afe718 100644
--- a/var/spack/repos/builtin/packages/perl-xml-parser-lite/package.py
+++ b/var/spack/repos/builtin/packages/perl-xml-parser-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-xml-parser/package.py b/var/spack/repos/builtin/packages/perl-xml-parser/package.py
index 7544ddf41be03c3ffb801dc621199e80b90ecd5f..9b04cdd1b3b1371ddd90d13d39c3686aac2ece7c 100644
--- a/var/spack/repos/builtin/packages/perl-xml-parser/package.py
+++ b/var/spack/repos/builtin/packages/perl-xml-parser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/perl-xml-simple/package.py b/var/spack/repos/builtin/packages/perl-xml-simple/package.py
index dd14ef466e9677299f716830d6b38185c5a75851..fa7aed972356ef8270101d2d3f7dcfc655b36f2b 100644
--- a/var/spack/repos/builtin/packages/perl-xml-simple/package.py
+++ b/var/spack/repos/builtin/packages/perl-xml-simple/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl-yaml-libyaml/package.py b/var/spack/repos/builtin/packages/perl-yaml-libyaml/package.py
index 39c9090dd8a8b8e6f932f7973e8e3ab6ccdd3ee9..6893e7ac8129073ec8583ff2ffca727e7c787506 100644
--- a/var/spack/repos/builtin/packages/perl-yaml-libyaml/package.py
+++ b/var/spack/repos/builtin/packages/perl-yaml-libyaml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/perl/package.py b/var/spack/repos/builtin/packages/perl/package.py
index b2c662cc4f74dd5f6440f7494fd3f1c402cf97a0..fd0c4aef1748cc18c75b09c634e38aee1cf4b446 100644
--- a/var/spack/repos/builtin/packages/perl/package.py
+++ b/var/spack/repos/builtin/packages/perl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Author: Milton Woods <milton.woods@bom.gov.au>
 # Date: March 22, 2017
diff --git a/var/spack/repos/builtin/packages/petsc/package.py b/var/spack/repos/builtin/packages/petsc/package.py
index 7823afdcd0503875cccccb6391b3ba6b6496bf7d..8be5d8cce53650a451b302edbba8764f5e9a86e3 100644
--- a/var/spack/repos/builtin/packages/petsc/package.py
+++ b/var/spack/repos/builtin/packages/petsc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 import sys
diff --git a/var/spack/repos/builtin/packages/pexsi/package.py b/var/spack/repos/builtin/packages/pexsi/package.py
index 931f951a09b31c87185324f652dfed1d25040673..fa93fac715e49e4fbaad0bec14c171b812b8cd7e 100644
--- a/var/spack/repos/builtin/packages/pexsi/package.py
+++ b/var/spack/repos/builtin/packages/pexsi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import inspect
 import os.path
diff --git a/var/spack/repos/builtin/packages/pfft/package.py b/var/spack/repos/builtin/packages/pfft/package.py
index 4dd2cdb0ef0e63d3bb140a8671c288c6d35a2326..4121d90caa10902d86d83605d15d6f9f99ba2e32 100644
--- a/var/spack/repos/builtin/packages/pfft/package.py
+++ b/var/spack/repos/builtin/packages/pfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pflotran/package.py b/var/spack/repos/builtin/packages/pflotran/package.py
index e81139d59cd1168d2e58785acf2c2353b1cac3ac..73f95f75f7b40e7ba10b4545a72e23f46c1bf4d8 100644
--- a/var/spack/repos/builtin/packages/pflotran/package.py
+++ b/var/spack/repos/builtin/packages/pflotran/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pfunit/package.py b/var/spack/repos/builtin/packages/pfunit/package.py
index e24b1c27d970cc058dd3446c63424e160b0777b1..e9faaaebbfff5863f3dc4115e0f7f7b95cb743cb 100644
--- a/var/spack/repos/builtin/packages/pfunit/package.py
+++ b/var/spack/repos/builtin/packages/pfunit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 import glob
diff --git a/var/spack/repos/builtin/packages/pgdspider/package.py b/var/spack/repos/builtin/packages/pgdspider/package.py
index cf7081f5312b865c9532ab2196d90d4af33bec40..5a4dab95163ffb23f2af539c1cdb0febaafdb5e7 100644
--- a/var/spack/repos/builtin/packages/pgdspider/package.py
+++ b/var/spack/repos/builtin/packages/pgdspider/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/pgi/package.py b/var/spack/repos/builtin/packages/pgi/package.py
index 5c4f023b0ac7ef3f2984586916810b77c4af86cd..47242e4ecda53a27768730ca4f527378bb1aba0c 100644
--- a/var/spack/repos/builtin/packages/pgi/package.py
+++ b/var/spack/repos/builtin/packages/pgi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack.util.prefix import Prefix
 import os
diff --git a/var/spack/repos/builtin/packages/pgmath/package.py b/var/spack/repos/builtin/packages/pgmath/package.py
index b17bfb7c0597042108cc71d6c615132038ee0fea..7b4f98be5e64b2b90cc3030ae368acc08afb8bf3 100644
--- a/var/spack/repos/builtin/packages/pgmath/package.py
+++ b/var/spack/repos/builtin/packages/pgmath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/phantompeakqualtools/package.py b/var/spack/repos/builtin/packages/phantompeakqualtools/package.py
index 9396941624f649270388bb3c2f8f4e87b1ad6a61..118d7032c9d6d9ebef9051e534993cf69f00b9ae 100644
--- a/var/spack/repos/builtin/packages/phantompeakqualtools/package.py
+++ b/var/spack/repos/builtin/packages/phantompeakqualtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/phast/package.py b/var/spack/repos/builtin/packages/phast/package.py
index 2973c8720c336857a7d94d509a900df03928c4c1..503246614c5a335391ceb13c57a480ed3b2be148 100644
--- a/var/spack/repos/builtin/packages/phast/package.py
+++ b/var/spack/repos/builtin/packages/phast/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/phasta/package.py b/var/spack/repos/builtin/packages/phasta/package.py
index 24f97c5c66357b9079e23263cd6ef3af533d3157..2243281b5a51ec0a0d2a20630bf15b07cd3fb7e3 100644
--- a/var/spack/repos/builtin/packages/phasta/package.py
+++ b/var/spack/repos/builtin/packages/phasta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/phist/package.py b/var/spack/repos/builtin/packages/phist/package.py
index 692bf8ae32339f4e5e711d8fbaac045ae72b2dcd..f70fca2a46b2b6b5b759453f5fa1bf80d9210bfe 100644
--- a/var/spack/repos/builtin/packages/phist/package.py
+++ b/var/spack/repos/builtin/packages/phist/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/phylip/package.py b/var/spack/repos/builtin/packages/phylip/package.py
index 1a1a92cb35dcd922155146e9422c3f5944d1e356..8869f753908996e272418f84b06b5d8bdb8e0f12 100644
--- a/var/spack/repos/builtin/packages/phylip/package.py
+++ b/var/spack/repos/builtin/packages/phylip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/picard/package.py b/var/spack/repos/builtin/packages/picard/package.py
index 6cab04e59228d9a7980ba00abc1c98efc03ce856..86c6cd6e900b516eb0273b0acd8aefcf4a980020 100644
--- a/var/spack/repos/builtin/packages/picard/package.py
+++ b/var/spack/repos/builtin/packages/picard/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os.path
diff --git a/var/spack/repos/builtin/packages/picsar/package.py b/var/spack/repos/builtin/packages/picsar/package.py
index eb15a6ae8b4c90d85eda3b3a4e1f01654207606a..234b5ee856906dc684b3b58796b1afd2f81e771f 100644
--- a/var/spack/repos/builtin/packages/picsar/package.py
+++ b/var/spack/repos/builtin/packages/picsar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/picsarlite/package.py b/var/spack/repos/builtin/packages/picsarlite/package.py
index 9a3280001e3e21c3b080bf07197428561800b448..5a5b5b58b260215a1bc21567d9b2f541bb68450e 100644
--- a/var/spack/repos/builtin/packages/picsarlite/package.py
+++ b/var/spack/repos/builtin/packages/picsarlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC.
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pidx/package.py b/var/spack/repos/builtin/packages/pidx/package.py
index c8d130c1ad6327a7660421aa1179fd293144cfe8..9aaf021de5136ff9a74881a44edd2ac9d96c9b9e 100644
--- a/var/spack/repos/builtin/packages/pidx/package.py
+++ b/var/spack/repos/builtin/packages/pidx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pigz/package.py b/var/spack/repos/builtin/packages/pigz/package.py
index 993ae37dd2ade369fa053cdf7ab86df6a89884ae..4b8eae69361f9a771d13f1cdbf6bdea3f5de3c85 100644
--- a/var/spack/repos/builtin/packages/pigz/package.py
+++ b/var/spack/repos/builtin/packages/pigz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pilon/package.py b/var/spack/repos/builtin/packages/pilon/package.py
index 0fec636fbaff37ef1dc96ef2181c63b7e8e11520..afcdfd4a44fbfc231ac4697045e501fe6fee233f 100644
--- a/var/spack/repos/builtin/packages/pilon/package.py
+++ b/var/spack/repos/builtin/packages/pilon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/pindel/package.py b/var/spack/repos/builtin/packages/pindel/package.py
index d0acc28472588e790b9985cbd974d3f609a6973c..7755fdd8aaf825d6ae3379cc7f917b1c302204b7 100644
--- a/var/spack/repos/builtin/packages/pindel/package.py
+++ b/var/spack/repos/builtin/packages/pindel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/piranha/package.py b/var/spack/repos/builtin/packages/piranha/package.py
index aaf4102dbb2b57c1c398b76eb50bcbd759f32470..8488e826a4107827e5240d19e46b0a26ce3e5382 100644
--- a/var/spack/repos/builtin/packages/piranha/package.py
+++ b/var/spack/repos/builtin/packages/piranha/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pism/package.py b/var/spack/repos/builtin/packages/pism/package.py
index 33e76e1aa5aee6ef1b959f01392bb5e7a78dbca3..6eedcbced3d3191ce439e192cde12d1229c1b388 100644
--- a/var/spack/repos/builtin/packages/pism/package.py
+++ b/var/spack/repos/builtin/packages/pism/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pixman/package.py b/var/spack/repos/builtin/packages/pixman/package.py
index 7714120049774e4d2e32b75be7da2904bb6223f9..d3e8661dd2bb2d592ac5e3f709a3eaa9fd7a29ca 100644
--- a/var/spack/repos/builtin/packages/pixman/package.py
+++ b/var/spack/repos/builtin/packages/pixman/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/pkg-config/package.py b/var/spack/repos/builtin/packages/pkg-config/package.py
index d89c32c47c0c52a7ef51b0910c1298b77eea1f08..a27df03b404ae7d146e1c4d03586f808776c573f 100644
--- a/var/spack/repos/builtin/packages/pkg-config/package.py
+++ b/var/spack/repos/builtin/packages/pkg-config/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pkgconf/package.py b/var/spack/repos/builtin/packages/pkgconf/package.py
index e6961d54240133ee08ece5f58d7e49779c4bb41b..742713c0fffffc1e34f6476fc396ed2bf9cf500b 100644
--- a/var/spack/repos/builtin/packages/pkgconf/package.py
+++ b/var/spack/repos/builtin/packages/pkgconf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/planck-likelihood/package.py b/var/spack/repos/builtin/packages/planck-likelihood/package.py
index 1a17bf917a7163cd0da33cd102fc9bb22827a89b..0b04aec89faf637d1056a4b0734485f45c2fb30f 100644
--- a/var/spack/repos/builtin/packages/planck-likelihood/package.py
+++ b/var/spack/repos/builtin/packages/planck-likelihood/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/plasma/package.py b/var/spack/repos/builtin/packages/plasma/package.py
index 907857aace5386a463a237589b5c683a3851484e..6fb436bc48fd7dad6b103092c3adac4e02589e5a 100644
--- a/var/spack/repos/builtin/packages/plasma/package.py
+++ b/var/spack/repos/builtin/packages/plasma/package.py
@@ -1,13 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Innovative Computing Laboratory
-# Produced at the Innovative Computing Laboratory.
-#
-# Created by Piotr Luszczek, luszczek@icl.utk.edu, All rights reserved.
-#
-# For details, see https://github.com/spack/spack
-#
-##############################################################################
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/platypus/package.py b/var/spack/repos/builtin/packages/platypus/package.py
index c0812851c0442ba177b4c272f718e9f93f1e47f3..7ef22abc745ea13dc9d3eb025c6bd464f2ab8d00 100644
--- a/var/spack/repos/builtin/packages/platypus/package.py
+++ b/var/spack/repos/builtin/packages/platypus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/plink/package.py b/var/spack/repos/builtin/packages/plink/package.py
index 7a6c47d47c2a1c8e75e8d781bb4458aed9c9e274..2f571e25e4f356eb9ee09ecac78b4407c11635d7 100644
--- a/var/spack/repos/builtin/packages/plink/package.py
+++ b/var/spack/repos/builtin/packages/plink/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/plplot/package.py b/var/spack/repos/builtin/packages/plplot/package.py
index e6aabc1ce5178a31d1879112359dbb2c7b739c18..5e0d23b9309bc083e9bfd14506ab58bf2c77194a 100644
--- a/var/spack/repos/builtin/packages/plplot/package.py
+++ b/var/spack/repos/builtin/packages/plplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/plumed/package.py b/var/spack/repos/builtin/packages/plumed/package.py
index ff5b1cf151572d0a03e1946db887f9880b47f704..9c438f25a9543a5b14a6f0d22a87bf9ebf780733 100644
--- a/var/spack/repos/builtin/packages/plumed/package.py
+++ b/var/spack/repos/builtin/packages/plumed/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import collections
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/pmgr-collective/package.py b/var/spack/repos/builtin/packages/pmgr-collective/package.py
index 0a88e5bf246c0334ca3bae518d5cc8d421a6c5e9..ff08d784b19853b70dc3ac6893c86aff05599343 100644
--- a/var/spack/repos/builtin/packages/pmgr-collective/package.py
+++ b/var/spack/repos/builtin/packages/pmgr-collective/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pmix/package.py b/var/spack/repos/builtin/packages/pmix/package.py
index 5d29d27cb4af37db32cf13ce95c5b289e3057a24..cbedf7a2a6dd7ef3935f5d88e282d9d296516e6d 100644
--- a/var/spack/repos/builtin/packages/pmix/package.py
+++ b/var/spack/repos/builtin/packages/pmix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import spack.architecture
diff --git a/var/spack/repos/builtin/packages/pnfft/package.py b/var/spack/repos/builtin/packages/pnfft/package.py
index 7212a2c1afab61d5c53ada064380659b98876c06..d34104669d5a9bf73fce7a559f3dab4061ce6d47 100644
--- a/var/spack/repos/builtin/packages/pnfft/package.py
+++ b/var/spack/repos/builtin/packages/pnfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pngwriter/package.py b/var/spack/repos/builtin/packages/pngwriter/package.py
index f65b0d8cd3c8a82da325be4150885ac3d6db1486..76f4553826469fa30ddbe953f0778fbf936431db 100644
--- a/var/spack/repos/builtin/packages/pngwriter/package.py
+++ b/var/spack/repos/builtin/packages/pngwriter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pnmpi/package.py b/var/spack/repos/builtin/packages/pnmpi/package.py
index 392181ef1d10808f9fada73f40538fa32fe905b6..0d483724ba2444ab159b5fc628caac609c578afe 100644
--- a/var/spack/repos/builtin/packages/pnmpi/package.py
+++ b/var/spack/repos/builtin/packages/pnmpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/poamsa/package.py b/var/spack/repos/builtin/packages/poamsa/package.py
index f313c14b06c18fcac0fcdd5a8e0450a7c5c6da14..e109e394232bfbb73b498f38205a1e3d58394a6a 100644
--- a/var/spack/repos/builtin/packages/poamsa/package.py
+++ b/var/spack/repos/builtin/packages/poamsa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pocl/package.py b/var/spack/repos/builtin/packages/pocl/package.py
index 4726d5809a866e2cf246ca899e9770a6bb203c3d..c020dd9cf663ac2a83de4f809c2c543419d5e6b1 100644
--- a/var/spack/repos/builtin/packages/pocl/package.py
+++ b/var/spack/repos/builtin/packages/pocl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/polymake/package.py b/var/spack/repos/builtin/packages/polymake/package.py
index a66db97459afb24cf97d7601554858a91292bc16..62e7013e5acd585b9d964180bb9ae7cb01e1c98b 100644
--- a/var/spack/repos/builtin/packages/polymake/package.py
+++ b/var/spack/repos/builtin/packages/polymake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/poppler-data/package.py b/var/spack/repos/builtin/packages/poppler-data/package.py
index 76052bc5303af9371a036e0965fda37513bf764b..3bb5ba3e34980a5475ddd9615550acba5e1c0ac5 100644
--- a/var/spack/repos/builtin/packages/poppler-data/package.py
+++ b/var/spack/repos/builtin/packages/poppler-data/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/poppler/package.py b/var/spack/repos/builtin/packages/poppler/package.py
index 03ad826327efdd4d1cc00c4387ef20626d26042a..653dd2e96d897ce314fab0accb3b2f1c2b8faa55 100644
--- a/var/spack/repos/builtin/packages/poppler/package.py
+++ b/var/spack/repos/builtin/packages/poppler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/porta/package.py b/var/spack/repos/builtin/packages/porta/package.py
index 9f469a8529797f6663a47ae2bbc093c58ced2040..e43374933db1cc4285c637fe24ac3f178181072b 100644
--- a/var/spack/repos/builtin/packages/porta/package.py
+++ b/var/spack/repos/builtin/packages/porta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/portage/package.py b/var/spack/repos/builtin/packages/portage/package.py
index ed7667f308ad7629d8272422faf3fb47caaf03c2..f423551243a62ac56507d6b0aa1d5cc83a88f2f5 100644
--- a/var/spack/repos/builtin/packages/portage/package.py
+++ b/var/spack/repos/builtin/packages/portage/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/portcullis/package.py b/var/spack/repos/builtin/packages/portcullis/package.py
index 24ec56fdc30ff8552f6786e16dcff7fc4f1f219e..6a3c334ce59f1fd91a9d37cb640131bf9d363a1d 100644
--- a/var/spack/repos/builtin/packages/portcullis/package.py
+++ b/var/spack/repos/builtin/packages/portcullis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/postgresql/package.py b/var/spack/repos/builtin/packages/postgresql/package.py
index 319bcd29b9c40c7f723afd2af56526af2ebd7b06..ee33e5c55f25108b9d9914f7120fab91694d9817 100644
--- a/var/spack/repos/builtin/packages/postgresql/package.py
+++ b/var/spack/repos/builtin/packages/postgresql/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ppl/package.py b/var/spack/repos/builtin/packages/ppl/package.py
index 48231210a00a078aa5e24bf7d97f6b62f9b7b207..d2f4eafb7bcff75bfdc9c3ec9c804ec7d3fe528e 100644
--- a/var/spack/repos/builtin/packages/ppl/package.py
+++ b/var/spack/repos/builtin/packages/ppl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pplacer/package.py b/var/spack/repos/builtin/packages/pplacer/package.py
index bc67736d030fb6307d8a5afb2f867062962d707c..bfcd2f2d7f08a08bf318932abe166029f7da2759 100644
--- a/var/spack/repos/builtin/packages/pplacer/package.py
+++ b/var/spack/repos/builtin/packages/pplacer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/prank/package.py b/var/spack/repos/builtin/packages/prank/package.py
index 7d34baf695bb487384ee9d7e5d893fb3b0fcfd26..1dc78db62139bc35432db33304bacac1b89e1dd2 100644
--- a/var/spack/repos/builtin/packages/prank/package.py
+++ b/var/spack/repos/builtin/packages/prank/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/precice/package.py b/var/spack/repos/builtin/packages/precice/package.py
index ef106a74a81a39301389f9590706630e2a8edb75..74f78d67aa241c6ef1282908f8e8ab01b92167b6 100644
--- a/var/spack/repos/builtin/packages/precice/package.py
+++ b/var/spack/repos/builtin/packages/precice/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2018 Mark Olesen, OpenCFD Ltd.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file was authored by Mark Olesen <mark.olesen@esi-group.com>
-# and is released as part of spack under the LGPL license.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for the LLNL notice and LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/presentproto/package.py b/var/spack/repos/builtin/packages/presentproto/package.py
index e2cfe6acc324d1857243d15991d15a3f93eccaf9..991db6521720070371877177fd05a13635a2ca0d 100644
--- a/var/spack/repos/builtin/packages/presentproto/package.py
+++ b/var/spack/repos/builtin/packages/presentproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/preseq/package.py b/var/spack/repos/builtin/packages/preseq/package.py
index d2992a1230fb9c9d6f5fed320d3e4163f61ddf68..cbd72ce31794408a87ea61ca3735dfbd8a17b026 100644
--- a/var/spack/repos/builtin/packages/preseq/package.py
+++ b/var/spack/repos/builtin/packages/preseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/price/package.py b/var/spack/repos/builtin/packages/price/package.py
index 60239ff4c02667cf8114256dfd6290a4044882a7..8f6f1a1ef64d1e6c4b5e879488cd87bb42da6551 100644
--- a/var/spack/repos/builtin/packages/price/package.py
+++ b/var/spack/repos/builtin/packages/price/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/primer3/package.py b/var/spack/repos/builtin/packages/primer3/package.py
index 714610c0f4374b537ee803d13ba3b8d1c320c487..cdf17a567720abbca8b01825cc743b58597aa92e 100644
--- a/var/spack/repos/builtin/packages/primer3/package.py
+++ b/var/spack/repos/builtin/packages/primer3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/prinseq-lite/package.py b/var/spack/repos/builtin/packages/prinseq-lite/package.py
index 164044ec96d26e8720bdc43827c1973f97192e7a..764a390343bc3c9ed04452188c2ad99065e85173 100644
--- a/var/spack/repos/builtin/packages/prinseq-lite/package.py
+++ b/var/spack/repos/builtin/packages/prinseq-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/printproto/package.py b/var/spack/repos/builtin/packages/printproto/package.py
index 40dca284e4f301669057f11ea5f14f3a66cccc24..8eb55fabebbb7f017c8a40ea39aab6a83d6c83c6 100644
--- a/var/spack/repos/builtin/packages/printproto/package.py
+++ b/var/spack/repos/builtin/packages/printproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/prng/package.py b/var/spack/repos/builtin/packages/prng/package.py
index 2b1cde5ce225e3c7ca85dfa44c697cfc4fbd8dbf..3db827fd036a6daf8ef38069fa606ebf747f4e3e 100644
--- a/var/spack/repos/builtin/packages/prng/package.py
+++ b/var/spack/repos/builtin/packages/prng/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/probconsrna/package.py b/var/spack/repos/builtin/packages/probconsrna/package.py
index 1c2d74c185631f60c1aead669312563eb156e198..31ef7e8b282b08b4cdeb4898b54b18519fa534c5 100644
--- a/var/spack/repos/builtin/packages/probconsrna/package.py
+++ b/var/spack/repos/builtin/packages/probconsrna/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/prodigal/package.py b/var/spack/repos/builtin/packages/prodigal/package.py
index 8c619338c7c4f87a94e4c6eac93ebb4132deeacd..75ce486f5010dd56e90a8785974b32c39351f096 100644
--- a/var/spack/repos/builtin/packages/prodigal/package.py
+++ b/var/spack/repos/builtin/packages/prodigal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/proj/package.py b/var/spack/repos/builtin/packages/proj/package.py
index 5c017daafed865c1a5789172a94574edb47179ed..fe20f4e58aa6ed693dbde7c314a223f02d4c49c8 100644
--- a/var/spack/repos/builtin/packages/proj/package.py
+++ b/var/spack/repos/builtin/packages/proj/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/protobuf/package.py b/var/spack/repos/builtin/packages/protobuf/package.py
index a430ff2f11083ec7262df7138aec7f674cb1e297..62486aeb5882cceff8b1101b9bec3a611cca9257 100644
--- a/var/spack/repos/builtin/packages/protobuf/package.py
+++ b/var/spack/repos/builtin/packages/protobuf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import sys
 from spack import *
 import spack.util.web
diff --git a/var/spack/repos/builtin/packages/proxymngr/package.py b/var/spack/repos/builtin/packages/proxymngr/package.py
index 7a35270ce36f9b5eaf9ac53d6aaa77885cc24080..6f6e118e2218256e6b803b097b703b5610be0cf6 100644
--- a/var/spack/repos/builtin/packages/proxymngr/package.py
+++ b/var/spack/repos/builtin/packages/proxymngr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pruners-ninja/package.py b/var/spack/repos/builtin/packages/pruners-ninja/package.py
index 0c7a301c28bf61dab21836b0e5e40c48575fa6f0..0c86c9e2bc1b8dfb20aeb88327b296bad235660b 100644
--- a/var/spack/repos/builtin/packages/pruners-ninja/package.py
+++ b/var/spack/repos/builtin/packages/pruners-ninja/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ps-lite/package.py b/var/spack/repos/builtin/packages/ps-lite/package.py
index e11831eef1dcd3949540ed130aecb95ba0295278..887e126814a5389f66a4310817fe17058b618abf 100644
--- a/var/spack/repos/builtin/packages/ps-lite/package.py
+++ b/var/spack/repos/builtin/packages/ps-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/psi4/package.py b/var/spack/repos/builtin/packages/psi4/package.py
index 3358b3bb9f92afa00660f4e1acdd3fe960c660c4..eb3e7863fe01fbb66f393671b6e8e36c681bf3c4 100644
--- a/var/spack/repos/builtin/packages/psi4/package.py
+++ b/var/spack/repos/builtin/packages/psi4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/pslib/package.py b/var/spack/repos/builtin/packages/pslib/package.py
index bb49f9cddf46e4af198542850a3cafe228b003f5..c15a7f8b83f452b8b2a34d55d3bfc75aa37374c9 100644
--- a/var/spack/repos/builtin/packages/pslib/package.py
+++ b/var/spack/repos/builtin/packages/pslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/psm/package.py b/var/spack/repos/builtin/packages/psm/package.py
index 7fee9318e11158022e25a179fb734d334baa8832..ba661394f111383be14e4c98aecad4729a67d15b 100644
--- a/var/spack/repos/builtin/packages/psm/package.py
+++ b/var/spack/repos/builtin/packages/psm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/psmc/package.py b/var/spack/repos/builtin/packages/psmc/package.py
index bd1f27aa4bc0eb4b1581d46855a8ff05f302804a..019d664e3969139a7be7e7b8149cd81585437608 100644
--- a/var/spack/repos/builtin/packages/psmc/package.py
+++ b/var/spack/repos/builtin/packages/psmc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pstreams/package.py b/var/spack/repos/builtin/packages/pstreams/package.py
index 2bf7fa63c96dcbd011513bcd9e81002e14499e81..8c4ebc5377163de676463ba0151939ada351ac7a 100644
--- a/var/spack/repos/builtin/packages/pstreams/package.py
+++ b/var/spack/repos/builtin/packages/pstreams/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pugixml/package.py b/var/spack/repos/builtin/packages/pugixml/package.py
index 5cab25c3b311a5f7eafbaf3d0200c2ab7350bce1..9418cae3e2e0f3e9d5a1f41b0137111b0047b247 100644
--- a/var/spack/repos/builtin/packages/pugixml/package.py
+++ b/var/spack/repos/builtin/packages/pugixml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/pumi/package.py b/var/spack/repos/builtin/packages/pumi/package.py
index 0e23420c8a35888ff8b781d9b1e9e909742191e0..8380564253ec2570ae4232a564a3aee9dd47f50f 100644
--- a/var/spack/repos/builtin/packages/pumi/package.py
+++ b/var/spack/repos/builtin/packages/pumi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pv/package.py b/var/spack/repos/builtin/packages/pv/package.py
index e241dca24cccaa2c87914dab2415850fd1f8123d..8a1e63a7355ddd7101c086fdca54576caa1bee46 100644
--- a/var/spack/repos/builtin/packages/pv/package.py
+++ b/var/spack/repos/builtin/packages/pv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pvm/package.py b/var/spack/repos/builtin/packages/pvm/package.py
index ff6677182fea6979f221354acb14792c410b438f..4cb797f52dd91fddb1741dd864c1242ad6ba9166 100644
--- a/var/spack/repos/builtin/packages/pvm/package.py
+++ b/var/spack/repos/builtin/packages/pvm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import subprocess
 
diff --git a/var/spack/repos/builtin/packages/pxz/package.py b/var/spack/repos/builtin/packages/pxz/package.py
index 38ebffa629db746d6d0d52af2976cf194ce55297..8cfced300b234aa665105bd055476f6108366244 100644
--- a/var/spack/repos/builtin/packages/pxz/package.py
+++ b/var/spack/repos/builtin/packages/pxz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-3to2/package.py b/var/spack/repos/builtin/packages/py-3to2/package.py
index 103c250b8daa9dbf09b82259f5220dabb404f854..12a3a9fef3c0fa2d44a8e93b96b5ae0fc073c0e0 100644
--- a/var/spack/repos/builtin/packages/py-3to2/package.py
+++ b/var/spack/repos/builtin/packages/py-3to2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-4suite-xml/package.py b/var/spack/repos/builtin/packages/py-4suite-xml/package.py
index 503538c412b272ec97aad312c72b0b3f067ddd4a..872d5e75d0884ac3d72780e4fbee00f573674501 100644
--- a/var/spack/repos/builtin/packages/py-4suite-xml/package.py
+++ b/var/spack/repos/builtin/packages/py-4suite-xml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-abipy/package.py b/var/spack/repos/builtin/packages/py-abipy/package.py
index d141cd774b78c9ccc5a9082847b81cf9b7e8a958..1ab1b316ef7b6275a76d2d084e2400eb0d2194a3 100644
--- a/var/spack/repos/builtin/packages/py-abipy/package.py
+++ b/var/spack/repos/builtin/packages/py-abipy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-adios/package.py b/var/spack/repos/builtin/packages/py-adios/package.py
index 70b9daff32dd9c6af763a5dd988312c879aacc3a..ff59a71afb3dfcfddc1672c256564593277877b8 100644
--- a/var/spack/repos/builtin/packages/py-adios/package.py
+++ b/var/spack/repos/builtin/packages/py-adios/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-affine/package.py b/var/spack/repos/builtin/packages/py-affine/package.py
index 07107fee58d3f0133fcd2a9e130444f1213f2f9b..f421d60ae5bbea16e221b9671b1a86b072bf3b23 100644
--- a/var/spack/repos/builtin/packages/py-affine/package.py
+++ b/var/spack/repos/builtin/packages/py-affine/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-alabaster/package.py b/var/spack/repos/builtin/packages/py-alabaster/package.py
index edd9c52435cbe7b73b04a5f42f1f75f41201cb2e..f4268171b67f88f8d13ae54a9c6cf997c2b476c1 100644
--- a/var/spack/repos/builtin/packages/py-alabaster/package.py
+++ b/var/spack/repos/builtin/packages/py-alabaster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-apache-libcloud/package.py b/var/spack/repos/builtin/packages/py-apache-libcloud/package.py
index a118eca3c5f08b2b655ebc5ef295a63e92b83140..157c15d592fb9b1ba945ff900d87998ca7f5327e 100644
--- a/var/spack/repos/builtin/packages/py-apache-libcloud/package.py
+++ b/var/spack/repos/builtin/packages/py-apache-libcloud/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-apipkg/package.py b/var/spack/repos/builtin/packages/py-apipkg/package.py
index 38f1031c507b739bb00dc83e1ace8694670c1b41..c2425c334ea6621e3fe8b834620dff135fd70f52 100644
--- a/var/spack/repos/builtin/packages/py-apipkg/package.py
+++ b/var/spack/repos/builtin/packages/py-apipkg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-appdirs/package.py b/var/spack/repos/builtin/packages/py-appdirs/package.py
index e7a51a3f9c5a1193122ef0face008939fc5f7662..998b71d6ba9bddcddd962b35ad49130ac932d5bd 100644
--- a/var/spack/repos/builtin/packages/py-appdirs/package.py
+++ b/var/spack/repos/builtin/packages/py-appdirs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-appnope/package.py b/var/spack/repos/builtin/packages/py-appnope/package.py
index 1281bd1b8e28bddb52078e23fc9e89575fef360a..e17db899f8846257349c9382618610425eec54fb 100644
--- a/var/spack/repos/builtin/packages/py-appnope/package.py
+++ b/var/spack/repos/builtin/packages/py-appnope/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-apscheduler/package.py b/var/spack/repos/builtin/packages/py-apscheduler/package.py
index a36b392cd9fec9bcd890e64204af5e3721447329..ae5424f81cad8dafd851206bcb086f683e9d1352 100644
--- a/var/spack/repos/builtin/packages/py-apscheduler/package.py
+++ b/var/spack/repos/builtin/packages/py-apscheduler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-argcomplete/package.py b/var/spack/repos/builtin/packages/py-argcomplete/package.py
index 4bf8af61b4f3de0d06a78c702e3779e77bed34bf..057ee6c16c8d9d09cb5946b4dd9bc30079ccb140 100644
--- a/var/spack/repos/builtin/packages/py-argcomplete/package.py
+++ b/var/spack/repos/builtin/packages/py-argcomplete/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-argparse/package.py b/var/spack/repos/builtin/packages/py-argparse/package.py
index 47db38bf3eb6c6e6253b4e3890f455e95af5b1da..14071cc026c1be37815f830a443b8567606a195b 100644
--- a/var/spack/repos/builtin/packages/py-argparse/package.py
+++ b/var/spack/repos/builtin/packages/py-argparse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ase/package.py b/var/spack/repos/builtin/packages/py-ase/package.py
index 40f8e9253dffd266c2a71fb64baf76c6df6755e1..2a58740045eb443fbe7394e9739596ec0d18fd33 100644
--- a/var/spack/repos/builtin/packages/py-ase/package.py
+++ b/var/spack/repos/builtin/packages/py-ase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-asn1crypto/package.py b/var/spack/repos/builtin/packages/py-asn1crypto/package.py
index fe8b59c5764dbb2927db1f44160769ecafabbf9f..ed12054d7e399de2b2e6e797e7b2a21756ff66aa 100644
--- a/var/spack/repos/builtin/packages/py-asn1crypto/package.py
+++ b/var/spack/repos/builtin/packages/py-asn1crypto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-astroid/package.py b/var/spack/repos/builtin/packages/py-astroid/package.py
index b656fb09c52bdc7974d4fbba5896d5f39f5c94dc..ea55f3093933351cc1ee66e832ab66492967cf94 100644
--- a/var/spack/repos/builtin/packages/py-astroid/package.py
+++ b/var/spack/repos/builtin/packages/py-astroid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-astropy/package.py b/var/spack/repos/builtin/packages/py-astropy/package.py
index 7c5b9132f0e928804ff1388cd203ab88acdc71e3..1009b2e15b1bbc58b9abf5f70fbc24e6669186c6 100644
--- a/var/spack/repos/builtin/packages/py-astropy/package.py
+++ b/var/spack/repos/builtin/packages/py-astropy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-atomicwrites/package.py b/var/spack/repos/builtin/packages/py-atomicwrites/package.py
index 6bef606dd739f4bf881ad49281f00341fd66212c..6cd224087e0a4f66e5cafa7e2c3ca192b1b0a779 100644
--- a/var/spack/repos/builtin/packages/py-atomicwrites/package.py
+++ b/var/spack/repos/builtin/packages/py-atomicwrites/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-attrs/package.py b/var/spack/repos/builtin/packages/py-attrs/package.py
index 074b7fc29e9c1974d66156bc0c57c15c9b2cda60..eb63525b862d47c6fbaaff6005bcac8dc6bb6d65 100644
--- a/var/spack/repos/builtin/packages/py-attrs/package.py
+++ b/var/spack/repos/builtin/packages/py-attrs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-autopep8/package.py b/var/spack/repos/builtin/packages/py-autopep8/package.py
index da8760d649b4a1f77edeaa5f52ecbd7b2cf5779a..c882e2506f54755dff0f063ad018eb3f6b4a6b04 100644
--- a/var/spack/repos/builtin/packages/py-autopep8/package.py
+++ b/var/spack/repos/builtin/packages/py-autopep8/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-avro-json-serializer/package.py b/var/spack/repos/builtin/packages/py-avro-json-serializer/package.py
index dd2686371945809836ebc83143490c55d9bfa47c..52f98286e53fc904c180b001ee9dc429b95044ff 100644
--- a/var/spack/repos/builtin/packages/py-avro-json-serializer/package.py
+++ b/var/spack/repos/builtin/packages/py-avro-json-serializer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-avro/package.py b/var/spack/repos/builtin/packages/py-avro/package.py
index 82cbfa213c2f9b178775cb5a7b6b5337ea5f3a05..13e8670b56dc9b2bc3861ad0e2e8fc286bfb1ab2 100644
--- a/var/spack/repos/builtin/packages/py-avro/package.py
+++ b/var/spack/repos/builtin/packages/py-avro/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-babel/package.py b/var/spack/repos/builtin/packages/py-babel/package.py
index 6be78342d7889b34ee0cb5ce721813646dc15f67..e502b2e7c27cd4ede8d19e42539136a26135b83f 100644
--- a/var/spack/repos/builtin/packages/py-babel/package.py
+++ b/var/spack/repos/builtin/packages/py-babel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-backcall/package.py b/var/spack/repos/builtin/packages/py-backcall/package.py
index f72a95a36cb73e6369f0ae2694d3a4c317a14ec5..f255945211b89e679893551fd55419437ff1cfeb 100644
--- a/var/spack/repos/builtin/packages/py-backcall/package.py
+++ b/var/spack/repos/builtin/packages/py-backcall/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-backports-abc/package.py b/var/spack/repos/builtin/packages/py-backports-abc/package.py
index aa3d6f48bc15bdca4fcb7f69ec69ea763b876f8d..a287daaa83f066835cf184dcb04294837e245612 100644
--- a/var/spack/repos/builtin/packages/py-backports-abc/package.py
+++ b/var/spack/repos/builtin/packages/py-backports-abc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-backports-functools-lru-cache/package.py b/var/spack/repos/builtin/packages/py-backports-functools-lru-cache/package.py
index 8fd37a7400ae933435c66fe0d97c188afaad9927..bc830ada0e6aa683f185927d96d1be9a31d4cad1 100644
--- a/var/spack/repos/builtin/packages/py-backports-functools-lru-cache/package.py
+++ b/var/spack/repos/builtin/packages/py-backports-functools-lru-cache/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-backports-shutil-get-terminal-size/package.py b/var/spack/repos/builtin/packages/py-backports-shutil-get-terminal-size/package.py
index 350eb793e676d914170c4c538015144d1c34a992..40c9d88c268e84db8980ee5c5cb345ef266e647e 100644
--- a/var/spack/repos/builtin/packages/py-backports-shutil-get-terminal-size/package.py
+++ b/var/spack/repos/builtin/packages/py-backports-shutil-get-terminal-size/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-backports-ssl-match-hostname/package.py b/var/spack/repos/builtin/packages/py-backports-ssl-match-hostname/package.py
index df7c2dc84bb308bf8f311e64e6cab029c13e3444..a1e3871b54e1a8cc394ed0d81bfbf48479330700 100644
--- a/var/spack/repos/builtin/packages/py-backports-ssl-match-hostname/package.py
+++ b/var/spack/repos/builtin/packages/py-backports-ssl-match-hostname/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-basemap/package.py b/var/spack/repos/builtin/packages/py-basemap/package.py
index 4a86ac4fd038ced1e7123b3fb68aa92ecae14ac3..1b531c1cf30fdc025fab0c4d3a12ed2deebd19c4 100644
--- a/var/spack/repos/builtin/packages/py-basemap/package.py
+++ b/var/spack/repos/builtin/packages/py-basemap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bcbio-gff/package.py b/var/spack/repos/builtin/packages/py-bcbio-gff/package.py
index ef1f94bf85a10c1f1ac0874a7510f094f40771f0..4bdd1a27a575636276877455f5a8c473fa26cb5a 100644
--- a/var/spack/repos/builtin/packages/py-bcbio-gff/package.py
+++ b/var/spack/repos/builtin/packages/py-bcbio-gff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-beautifulsoup4/package.py b/var/spack/repos/builtin/packages/py-beautifulsoup4/package.py
index c3f2ac036c8a2db7441f6f454bb9d7ee3cf66e91..8fd8ea3d0c0a2afca4f0556bb6b600e65ca4c292 100644
--- a/var/spack/repos/builtin/packages/py-beautifulsoup4/package.py
+++ b/var/spack/repos/builtin/packages/py-beautifulsoup4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-binwalk/package.py b/var/spack/repos/builtin/packages/py-binwalk/package.py
index 980126ef30d5f80c58b2779c88a0e2ed8265ee1c..01bc360580a636f9676b1772cb94ab7f75f3e8a3 100644
--- a/var/spack/repos/builtin/packages/py-binwalk/package.py
+++ b/var/spack/repos/builtin/packages/py-binwalk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-biom-format/package.py b/var/spack/repos/builtin/packages/py-biom-format/package.py
index 48634500372f0f826002920fb04cc64f0b974c7b..cc317aeb968e873c2811161bb2235561fc4c495d 100644
--- a/var/spack/repos/builtin/packages/py-biom-format/package.py
+++ b/var/spack/repos/builtin/packages/py-biom-format/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-biopython/package.py b/var/spack/repos/builtin/packages/py-biopython/package.py
index c7d046c25e3b4190df27c86c213fa00da910ceca..a833fd8b66e005e04a220437569748d64d999546 100644
--- a/var/spack/repos/builtin/packages/py-biopython/package.py
+++ b/var/spack/repos/builtin/packages/py-biopython/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bitarray/package.py b/var/spack/repos/builtin/packages/py-bitarray/package.py
index db7a9ec23d9468f0134a8f82691f0b2534b0cf1e..3f653892a342ceaa98ff8520a4ee7b54cedfe81f 100644
--- a/var/spack/repos/builtin/packages/py-bitarray/package.py
+++ b/var/spack/repos/builtin/packages/py-bitarray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bitstring/package.py b/var/spack/repos/builtin/packages/py-bitstring/package.py
index e3b786e3d4a0a914f3aa82c97d3bde73e9464cc8..ac8e8da41b8a9c5566d22c4a74368d98d1df9d1c 100644
--- a/var/spack/repos/builtin/packages/py-bitstring/package.py
+++ b/var/spack/repos/builtin/packages/py-bitstring/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bleach/package.py b/var/spack/repos/builtin/packages/py-bleach/package.py
index b6c2d13c65031b8d0714279a134d50865310e608..728ac4ff9e06aff5ab038ed37cb9535acff7b414 100644
--- a/var/spack/repos/builtin/packages/py-bleach/package.py
+++ b/var/spack/repos/builtin/packages/py-bleach/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-blessings/package.py b/var/spack/repos/builtin/packages/py-blessings/package.py
index c9829fa76b3fb161e4211a08634ac112cfd345fb..932426cf0b6a97f750ea022767ba62d99a2d0fb6 100644
--- a/var/spack/repos/builtin/packages/py-blessings/package.py
+++ b/var/spack/repos/builtin/packages/py-blessings/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bokeh/package.py b/var/spack/repos/builtin/packages/py-bokeh/package.py
index 072fa13024b2e402237dc873f58b22887c96ef91..c06ad866256a4ef8c7549f57125361e74aefa1e7 100644
--- a/var/spack/repos/builtin/packages/py-bokeh/package.py
+++ b/var/spack/repos/builtin/packages/py-bokeh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-boltons/package.py b/var/spack/repos/builtin/packages/py-boltons/package.py
index ac25f9f181b5039d3c5915616f595c6308735f01..be60d629a92c9ca4ce58f780e4db8b1647518623 100644
--- a/var/spack/repos/builtin/packages/py-boltons/package.py
+++ b/var/spack/repos/builtin/packages/py-boltons/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bottleneck/package.py b/var/spack/repos/builtin/packages/py-bottleneck/package.py
index b002ffd6cf191662d482a10762ff44871a3a8ee3..1a4ccddc3e5882866710b808ebc05b2b0815aefe 100644
--- a/var/spack/repos/builtin/packages/py-bottleneck/package.py
+++ b/var/spack/repos/builtin/packages/py-bottleneck/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-breakseq2/package.py b/var/spack/repos/builtin/packages/py-breakseq2/package.py
index 2c5a5fb693e9413dc9f5da5d23d8f10da4be45dd..91d519e795228a92cb69f40cb8618a0b5c8656de 100644
--- a/var/spack/repos/builtin/packages/py-breakseq2/package.py
+++ b/var/spack/repos/builtin/packages/py-breakseq2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-brian/package.py b/var/spack/repos/builtin/packages/py-brian/package.py
index 79568083b0b0e39262ce2eb1bc28cc79cc9330b6..49b5d9ed1de39ab5d2a238200beaff6a0fa13000 100644
--- a/var/spack/repos/builtin/packages/py-brian/package.py
+++ b/var/spack/repos/builtin/packages/py-brian/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-brian2/package.py b/var/spack/repos/builtin/packages/py-brian2/package.py
index 2f6bafa0e10564d4f0885fadcac3b9f42d3be2fb..9e374e293a5e68f72e3611e29c7f78a97dd61197 100644
--- a/var/spack/repos/builtin/packages/py-brian2/package.py
+++ b/var/spack/repos/builtin/packages/py-brian2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bsddb3/package.py b/var/spack/repos/builtin/packages/py-bsddb3/package.py
index ff2db9aebabe9aec0c6a14ff6f5150ef7bb31754..81d9d2e203ea8713686b92a857c6fb7a40f84b18 100644
--- a/var/spack/repos/builtin/packages/py-bsddb3/package.py
+++ b/var/spack/repos/builtin/packages/py-bsddb3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-bx-python/package.py b/var/spack/repos/builtin/packages/py-bx-python/package.py
index 50a5f0a6599eb1c7cb7e6993c4f8a09d37e79ef3..b562ad03089623f3bedb61d935439910bbda47dc 100644
--- a/var/spack/repos/builtin/packages/py-bx-python/package.py
+++ b/var/spack/repos/builtin/packages/py-bx-python/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cartopy/package.py b/var/spack/repos/builtin/packages/py-cartopy/package.py
index 7e5da8184875adb73284690c65682157248348bb..f347652f26de688cc75b1a55493b8be3de8fccde 100644
--- a/var/spack/repos/builtin/packages/py-cartopy/package.py
+++ b/var/spack/repos/builtin/packages/py-cartopy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cclib/package.py b/var/spack/repos/builtin/packages/py-cclib/package.py
index 14f0f305ee23bbda7d7bbfdd9bb0fb46b50a9728..32d55b02696fb44bc071f513f4d5b6ce50496e5a 100644
--- a/var/spack/repos/builtin/packages/py-cclib/package.py
+++ b/var/spack/repos/builtin/packages/py-cclib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cdat-lite/package.py b/var/spack/repos/builtin/packages/py-cdat-lite/package.py
index 4dc978c397fbff214cdf6ca99d54fb0c7f1ff9cd..33ce8dce3e35f317210a152a026d1198d867e447 100644
--- a/var/spack/repos/builtin/packages/py-cdat-lite/package.py
+++ b/var/spack/repos/builtin/packages/py-cdat-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-cdo/package.py b/var/spack/repos/builtin/packages/py-cdo/package.py
index e1b4943c7fe7d1ec26cd1d47487de59a57f2013b..f2628d5e7f3c283531e0d495eb0ee98b959d3cd9 100644
--- a/var/spack/repos/builtin/packages/py-cdo/package.py
+++ b/var/spack/repos/builtin/packages/py-cdo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-certifi/package.py b/var/spack/repos/builtin/packages/py-certifi/package.py
index be476d7d031f16af23808d3e60c56b7751678d05..c13112d182eaa99d588531dabd53ef2ab9cbbfa8 100644
--- a/var/spack/repos/builtin/packages/py-certifi/package.py
+++ b/var/spack/repos/builtin/packages/py-certifi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cffi/package.py b/var/spack/repos/builtin/packages/py-cffi/package.py
index d3e6eecd000f71b17a2b490a4878060eb20a2d4f..2b32e8d60f3f24f6d79449ace2a5b5e2e357892f 100644
--- a/var/spack/repos/builtin/packages/py-cffi/package.py
+++ b/var/spack/repos/builtin/packages/py-cffi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/py-chardet/package.py b/var/spack/repos/builtin/packages/py-chardet/package.py
index eb3392fa8931ae7e1f736047cfecde1dd825331f..ab4b79982dac913cba45676e0b90af20041af63b 100644
--- a/var/spack/repos/builtin/packages/py-chardet/package.py
+++ b/var/spack/repos/builtin/packages/py-chardet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-checkm-genome/package.py b/var/spack/repos/builtin/packages/py-checkm-genome/package.py
index 8c96b8c0e1d64bdd9235905e7bef905f632d6a66..fa4fe7c3f0755e2f271a8404e54019b594d739f3 100644
--- a/var/spack/repos/builtin/packages/py-checkm-genome/package.py
+++ b/var/spack/repos/builtin/packages/py-checkm-genome/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cheetah/package.py b/var/spack/repos/builtin/packages/py-cheetah/package.py
index b27d84863079a0e58c5824585c45aecc1819bc27..da75917d12c10ff96862f126b623ca5ea986fc08 100644
--- a/var/spack/repos/builtin/packages/py-cheetah/package.py
+++ b/var/spack/repos/builtin/packages/py-cheetah/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-click/package.py b/var/spack/repos/builtin/packages/py-click/package.py
index a6e9ae31d0b9aad0733721684a115663cf937a1e..5bebd2d2ae987a0824ef2172920e67290a0800e7 100644
--- a/var/spack/repos/builtin/packages/py-click/package.py
+++ b/var/spack/repos/builtin/packages/py-click/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cligj/package.py b/var/spack/repos/builtin/packages/py-cligj/package.py
index 830dc59b026023cd1db4df8b4d5e81b45d72fb80..fed854065cbfc95e3f8c31c3ccbfc4cc71be0035 100644
--- a/var/spack/repos/builtin/packages/py-cligj/package.py
+++ b/var/spack/repos/builtin/packages/py-cligj/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cloudpickle/package.py b/var/spack/repos/builtin/packages/py-cloudpickle/package.py
index f4a22c0f7cc761ebcae94ac82ad85fcf0a31cecc..de87e1c8bfa987e52ac49a42625f5c87e20dcc45 100644
--- a/var/spack/repos/builtin/packages/py-cloudpickle/package.py
+++ b/var/spack/repos/builtin/packages/py-cloudpickle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cogent/package.py b/var/spack/repos/builtin/packages/py-cogent/package.py
index cf910ae6d155b2ead0e6751b856202b86ea6977c..00111650a320671e9d508a24d06aeefc818041c8 100644
--- a/var/spack/repos/builtin/packages/py-cogent/package.py
+++ b/var/spack/repos/builtin/packages/py-cogent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-colorama/package.py b/var/spack/repos/builtin/packages/py-colorama/package.py
index 01df3e82010702c0b6a9c608cf52d54d2a5c0527..154ff3f449dff7627dfec02fab0cd33df681c2d0 100644
--- a/var/spack/repos/builtin/packages/py-colorama/package.py
+++ b/var/spack/repos/builtin/packages/py-colorama/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-colormath/package.py b/var/spack/repos/builtin/packages/py-colormath/package.py
index 712bc526ebbc6cb31b7d6bdb38f235a0c80ada6c..234b60abbd838e789529572b526c2ff357df0386 100644
--- a/var/spack/repos/builtin/packages/py-colormath/package.py
+++ b/var/spack/repos/builtin/packages/py-colormath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-configparser/package.py b/var/spack/repos/builtin/packages/py-configparser/package.py
index 4388e2e5cbebf616f7c050208d452f2328cd433a..6652dc449e8ba366777fa0f5c4c5ac94404d3b7b 100644
--- a/var/spack/repos/builtin/packages/py-configparser/package.py
+++ b/var/spack/repos/builtin/packages/py-configparser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-counter/package.py b/var/spack/repos/builtin/packages/py-counter/package.py
index 3a95ea708c2b0ec25976fe4a062b21be608d0604..8bea3d5f9ddb941d1e1977da132f3ae3547912da 100644
--- a/var/spack/repos/builtin/packages/py-counter/package.py
+++ b/var/spack/repos/builtin/packages/py-counter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-coverage/package.py b/var/spack/repos/builtin/packages/py-coverage/package.py
index 0275cc2b14d499425a0de1a7dbee175b83d3d628..fe95770ccff88d76b135be3a4fa0787955341b30 100644
--- a/var/spack/repos/builtin/packages/py-coverage/package.py
+++ b/var/spack/repos/builtin/packages/py-coverage/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cpuinfo/package.py b/var/spack/repos/builtin/packages/py-cpuinfo/package.py
index 513e91fac722a6f4f22edf565f32b7d8a79e1085..8cc74a09b943282d299bf4a8199ce13849de23c8 100644
--- a/var/spack/repos/builtin/packages/py-cpuinfo/package.py
+++ b/var/spack/repos/builtin/packages/py-cpuinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-crispresso/package.py b/var/spack/repos/builtin/packages/py-crispresso/package.py
index 78ff71f92198e86b4666aa7d19896d8cf20d3ebd..c2b0ec85ae4f86084646076ab1c6f82db6c035df 100644
--- a/var/spack/repos/builtin/packages/py-crispresso/package.py
+++ b/var/spack/repos/builtin/packages/py-crispresso/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cryptography/package.py b/var/spack/repos/builtin/packages/py-cryptography/package.py
index d6e72e1cc8fc761aa009ef59f4c8d58b20621147..d03bf4fb43d047a2ff375bb3f2ef05092ebf740c 100644
--- a/var/spack/repos/builtin/packages/py-cryptography/package.py
+++ b/var/spack/repos/builtin/packages/py-cryptography/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-csvkit/package.py b/var/spack/repos/builtin/packages/py-csvkit/package.py
index 654fa9e6e6c0c110d55dd6d9c40bc54ae0cc03b4..93248613b1561564b0ba781b6f2aac1a98f84911 100644
--- a/var/spack/repos/builtin/packages/py-csvkit/package.py
+++ b/var/spack/repos/builtin/packages/py-csvkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-current/package.py b/var/spack/repos/builtin/packages/py-current/package.py
index 44a43544fa7f26c60946a6ad77d402cadb0c4e68..08093894e0c6df8ba73c13188a64049ac5a93a2a 100644
--- a/var/spack/repos/builtin/packages/py-current/package.py
+++ b/var/spack/repos/builtin/packages/py-current/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cutadapt/package.py b/var/spack/repos/builtin/packages/py-cutadapt/package.py
index 7f6aedda2fe0350712a99f23b68fde078a30da71..84bca9c3ad0e87f64eeab5f474e1473896a6932c 100644
--- a/var/spack/repos/builtin/packages/py-cutadapt/package.py
+++ b/var/spack/repos/builtin/packages/py-cutadapt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cvxopt/package.py b/var/spack/repos/builtin/packages/py-cvxopt/package.py
index 704b421c30d9b096bce070a31734842ca8703a59..7da5f6bed698851c2d7a71e7da0e61e4198bc58b 100644
--- a/var/spack/repos/builtin/packages/py-cvxopt/package.py
+++ b/var/spack/repos/builtin/packages/py-cvxopt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cycler/package.py b/var/spack/repos/builtin/packages/py-cycler/package.py
index 47f827ce2f84893da38dc46003f26f5abfda1d5f..2e2c52811e2a41ef43ec0039074b2f502a0ff1ee 100644
--- a/var/spack/repos/builtin/packages/py-cycler/package.py
+++ b/var/spack/repos/builtin/packages/py-cycler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-cython/package.py b/var/spack/repos/builtin/packages/py-cython/package.py
index bc14fbf1793f632479417a5a7015981fa0de6a4d..610a6aa3b7d3eb243304699e3735ecca849948bd 100644
--- a/var/spack/repos/builtin/packages/py-cython/package.py
+++ b/var/spack/repos/builtin/packages/py-cython/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dask/package.py b/var/spack/repos/builtin/packages/py-dask/package.py
index f956efcc6c81ef534f918130de14e44d1cc4332f..72f4667b6108060524de6dc0466adb52ad2d6cf7 100644
--- a/var/spack/repos/builtin/packages/py-dask/package.py
+++ b/var/spack/repos/builtin/packages/py-dask/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dateutil/package.py b/var/spack/repos/builtin/packages/py-dateutil/package.py
index 5054105d3a1b850fb707105b30ca7f7f05e46354..34922f3c404087b52ce76529766f48bd61ca755b 100644
--- a/var/spack/repos/builtin/packages/py-dateutil/package.py
+++ b/var/spack/repos/builtin/packages/py-dateutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dbf/package.py b/var/spack/repos/builtin/packages/py-dbf/package.py
index e746c3a16bf379efe0497a1de6cd0fa09ba56092..071472321d2e75de3850e6cf0c6811be42e334c8 100644
--- a/var/spack/repos/builtin/packages/py-dbf/package.py
+++ b/var/spack/repos/builtin/packages/py-dbf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-decorator/package.py b/var/spack/repos/builtin/packages/py-decorator/package.py
index 6827e045f3f0a9905af6635d7bec23f975491fb5..0ebe02a893440483ce1a6fde8bd5173a6ca06ac1 100644
--- a/var/spack/repos/builtin/packages/py-decorator/package.py
+++ b/var/spack/repos/builtin/packages/py-decorator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-deeptools/package.py b/var/spack/repos/builtin/packages/py-deeptools/package.py
index ae595c7f1fc88050db0aa07d0e6da3fd89e3b1b2..270da83b933a8ca5ae3d798aef8ffc2dd755a74d 100644
--- a/var/spack/repos/builtin/packages/py-deeptools/package.py
+++ b/var/spack/repos/builtin/packages/py-deeptools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dendropy/package.py b/var/spack/repos/builtin/packages/py-dendropy/package.py
index 50f7f2a619cb05a51124ff1dd9db86909a426d7a..4434d1eb40d0fd22cca151a04d83f7e9254b739b 100644
--- a/var/spack/repos/builtin/packages/py-dendropy/package.py
+++ b/var/spack/repos/builtin/packages/py-dendropy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dill/package.py b/var/spack/repos/builtin/packages/py-dill/package.py
index f1be05e7acd04f317e6f2ccfc83f24db25892b9f..c2980db0f455d96e19eb54fc0441bd33e2a57747 100644
--- a/var/spack/repos/builtin/packages/py-dill/package.py
+++ b/var/spack/repos/builtin/packages/py-dill/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-discover/package.py b/var/spack/repos/builtin/packages/py-discover/package.py
index ae26c934b344fce615afd4bc2961eb308673ea83..ee9231c23d0a1ebc01f042dee39ead78daaeabb4 100644
--- a/var/spack/repos/builtin/packages/py-discover/package.py
+++ b/var/spack/repos/builtin/packages/py-discover/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dlcpar/package.py b/var/spack/repos/builtin/packages/py-dlcpar/package.py
index 8afe4fe6fed7d4c27b5ed3a9573f7b80fa3e5fdb..d71c0e7bc8ea0ebbce737df92402cd36c2283dee 100644
--- a/var/spack/repos/builtin/packages/py-dlcpar/package.py
+++ b/var/spack/repos/builtin/packages/py-dlcpar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-docopt/package.py b/var/spack/repos/builtin/packages/py-docopt/package.py
index 40c83b99167a715a18cc590d4be563c6f1eb92fa..25b4c856535bf4ee91d3baf794e9eac6db860ab9 100644
--- a/var/spack/repos/builtin/packages/py-docopt/package.py
+++ b/var/spack/repos/builtin/packages/py-docopt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-docutils/package.py b/var/spack/repos/builtin/packages/py-docutils/package.py
index a4c8326939bfc248c653ac26199cee80c39c7320..732440a2a66adaa80ae99157e551378d6b61cbc1 100644
--- a/var/spack/repos/builtin/packages/py-docutils/package.py
+++ b/var/spack/repos/builtin/packages/py-docutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-doxypy/package.py b/var/spack/repos/builtin/packages/py-doxypy/package.py
index ef40d0f679709520d01653c72ba0784dff05b48a..d1530b40fa775f46e57e581134be43f41f4bfb45 100644
--- a/var/spack/repos/builtin/packages/py-doxypy/package.py
+++ b/var/spack/repos/builtin/packages/py-doxypy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-doxypypy/package.py b/var/spack/repos/builtin/packages/py-doxypypy/package.py
index 595c788777ab2793d25b4e7b8bb01314f3fd68a4..55f4e846f91da11a1f993a6806d10195c7ba31ff 100644
--- a/var/spack/repos/builtin/packages/py-doxypypy/package.py
+++ b/var/spack/repos/builtin/packages/py-doxypypy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dryscrape/package.py b/var/spack/repos/builtin/packages/py-dryscrape/package.py
index 8382b9ad7236eb0b5310b457e7e41ab74d9c28ff..2036804d88786c7e41b841f07f61cff76edcad8f 100644
--- a/var/spack/repos/builtin/packages/py-dryscrape/package.py
+++ b/var/spack/repos/builtin/packages/py-dryscrape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-dxchange/package.py b/var/spack/repos/builtin/packages/py-dxchange/package.py
index 1988760b151f692b393d961a6ad038b0155b86dd..d70bbd3ec3dfffeb81c0418ab9139b584226e8df 100644
--- a/var/spack/repos/builtin/packages/py-dxchange/package.py
+++ b/var/spack/repos/builtin/packages/py-dxchange/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-dxfile/package.py b/var/spack/repos/builtin/packages/py-dxfile/package.py
index 6ca00ab6c6dcf5c71350eb64d70b5587391700e0..f5ca0d5764e476a61c8c79baa8201ed11e52066e 100644
--- a/var/spack/repos/builtin/packages/py-dxfile/package.py
+++ b/var/spack/repos/builtin/packages/py-dxfile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-easybuild-easyblocks/package.py b/var/spack/repos/builtin/packages/py-easybuild-easyblocks/package.py
index 1a116c5a159d83d122c4a1c3a4314f565a0978e2..7e8d92ae4c2aa759285df532f95a717cbc0c5d58 100644
--- a/var/spack/repos/builtin/packages/py-easybuild-easyblocks/package.py
+++ b/var/spack/repos/builtin/packages/py-easybuild-easyblocks/package.py
@@ -1,25 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Kenneth Hoste
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Kenneth Hoste, kenneth.hoste@gmail.com
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-easybuild-easyconfigs/package.py b/var/spack/repos/builtin/packages/py-easybuild-easyconfigs/package.py
index 2acb09213bc7b64bd9d643280333650225fd6305..6ab9fa9409a90bd0102fd244a26440347a8723a6 100644
--- a/var/spack/repos/builtin/packages/py-easybuild-easyconfigs/package.py
+++ b/var/spack/repos/builtin/packages/py-easybuild-easyconfigs/package.py
@@ -1,25 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Kenneth Hoste
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Kenneth Hoste, kenneth.hoste@gmail.com
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-easybuild-framework/package.py b/var/spack/repos/builtin/packages/py-easybuild-framework/package.py
index 61e4ee1c706395db095a0f3cccafd6a69ed9f99c..04dbe5e0683a8e52af5a93380e4329dc2c68458d 100644
--- a/var/spack/repos/builtin/packages/py-easybuild-framework/package.py
+++ b/var/spack/repos/builtin/packages/py-easybuild-framework/package.py
@@ -1,25 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Kenneth Hoste
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Kenneth Hoste, kenneth.hoste@gmail.com
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-edffile/package.py b/var/spack/repos/builtin/packages/py-edffile/package.py
index a6159d5760ca5114ecc3de10404db7a4756f7c66..69e2927e6ba530c17ca4ef617f69f6304b5dec99 100644
--- a/var/spack/repos/builtin/packages/py-edffile/package.py
+++ b/var/spack/repos/builtin/packages/py-edffile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-editdistance/package.py b/var/spack/repos/builtin/packages/py-editdistance/package.py
index a62c6e49c5dccb67dcfb3978bba0e78fd0c7fd8e..c3f79c1782d6eb56d42919ddb312f30a342f9924 100644
--- a/var/spack/repos/builtin/packages/py-editdistance/package.py
+++ b/var/spack/repos/builtin/packages/py-editdistance/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-elasticsearch/package.py b/var/spack/repos/builtin/packages/py-elasticsearch/package.py
index abbefbeb3ea81e6e10b07a1a7f30335dc5d1311d..287d2b84a183cf193be3e145ac4e3fa4a96911a9 100644
--- a/var/spack/repos/builtin/packages/py-elasticsearch/package.py
+++ b/var/spack/repos/builtin/packages/py-elasticsearch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-elephant/package.py b/var/spack/repos/builtin/packages/py-elephant/package.py
index 80612ba4ffa72aea77b643ce9695e1bb24f09036..c54797b0733fac478806123d240f6cd8bd95bc35 100644
--- a/var/spack/repos/builtin/packages/py-elephant/package.py
+++ b/var/spack/repos/builtin/packages/py-elephant/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-emcee/package.py b/var/spack/repos/builtin/packages/py-emcee/package.py
index 1cb2149fe9316dce36bb7d9adcfda45fd3cfb6bd..6077af7b01ac63e8778887a5598a40e0f6cad4ae 100644
--- a/var/spack/repos/builtin/packages/py-emcee/package.py
+++ b/var/spack/repos/builtin/packages/py-emcee/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-entrypoints/package.py b/var/spack/repos/builtin/packages/py-entrypoints/package.py
index 6414243a52cb50468bb2ea51b85fdd6d63dcd63b..6e43570832567435aed54beb97ad1ceefa0d32f3 100644
--- a/var/spack/repos/builtin/packages/py-entrypoints/package.py
+++ b/var/spack/repos/builtin/packages/py-entrypoints/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-enum34/package.py b/var/spack/repos/builtin/packages/py-enum34/package.py
index 318ef3f02e2e2772fb69014ed6877384f9189941..eb28715f24345f0d5e41c584f7a652ea02f2f163 100644
--- a/var/spack/repos/builtin/packages/py-enum34/package.py
+++ b/var/spack/repos/builtin/packages/py-enum34/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-epydoc/package.py b/var/spack/repos/builtin/packages/py-epydoc/package.py
index 2c778e58bec4010a73d71117a7b35cccd876faa6..03fabe3d49748cc15575875529949fe0de2e4668 100644
--- a/var/spack/repos/builtin/packages/py-epydoc/package.py
+++ b/var/spack/repos/builtin/packages/py-epydoc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-espresso/package.py b/var/spack/repos/builtin/packages/py-espresso/package.py
index a0559f2cff094091067d436126e784f8d55ed98e..235b622cac1c93e1f7fcb3ca726cadbc4fcdf694 100644
--- a/var/spack/repos/builtin/packages/py-espresso/package.py
+++ b/var/spack/repos/builtin/packages/py-espresso/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-espressopp/package.py b/var/spack/repos/builtin/packages/py-espressopp/package.py
index 4b43bc9fe6270b5f9bebdb65b9fa4043232e6abc..c9ffea486bc1a0f5406f07550890b46ff8950a72 100644
--- a/var/spack/repos/builtin/packages/py-espressopp/package.py
+++ b/var/spack/repos/builtin/packages/py-espressopp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-et-xmlfile/package.py b/var/spack/repos/builtin/packages/py-et-xmlfile/package.py
index 50470c4e1a933ec2cccfaf95b0f370387e3dd5d1..ffd88933faeed1a64c7a808f32a92086f4608419 100644
--- a/var/spack/repos/builtin/packages/py-et-xmlfile/package.py
+++ b/var/spack/repos/builtin/packages/py-et-xmlfile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-eventlet/package.py b/var/spack/repos/builtin/packages/py-eventlet/package.py
index 2617891b877bd0c98c5fa60d8047271e85fb5390..af69911130005d15ee85140efb9567778ad79591 100644
--- a/var/spack/repos/builtin/packages/py-eventlet/package.py
+++ b/var/spack/repos/builtin/packages/py-eventlet/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-execnet/package.py b/var/spack/repos/builtin/packages/py-execnet/package.py
index 2d0945e0195e4f15a7e071e47b95b67770733aa8..c14e8823a0c728879d86d31add333886de256105 100644
--- a/var/spack/repos/builtin/packages/py-execnet/package.py
+++ b/var/spack/repos/builtin/packages/py-execnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-fastaindex/package.py b/var/spack/repos/builtin/packages/py-fastaindex/package.py
index aab0fb282ceced99ee182b112c96384453dddc0e..1ddd16d4e89b321877817ecefa1ef67e6701e284 100644
--- a/var/spack/repos/builtin/packages/py-fastaindex/package.py
+++ b/var/spack/repos/builtin/packages/py-fastaindex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-fasteners/package.py b/var/spack/repos/builtin/packages/py-fasteners/package.py
index 3daf2ed86af15f13f463d54350510906f9b099aa..557e3505bc236f152456fdc58f11f34415adf909 100644
--- a/var/spack/repos/builtin/packages/py-fasteners/package.py
+++ b/var/spack/repos/builtin/packages/py-fasteners/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-faststructure/package.py b/var/spack/repos/builtin/packages/py-faststructure/package.py
index 4f9823b9ec90f1d08e6d3c816c8e12ae81b3e631..8d0d7833be820f92b7b58de5248a4314b35ff5fe 100644
--- a/var/spack/repos/builtin/packages/py-faststructure/package.py
+++ b/var/spack/repos/builtin/packages/py-faststructure/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-filelock/package.py b/var/spack/repos/builtin/packages/py-filelock/package.py
index 757cfb80069bcd5cec1fb130b38335761ca7dd2e..a67d1d7be8662231266d6df77fd621490437e6cd 100644
--- a/var/spack/repos/builtin/packages/py-filelock/package.py
+++ b/var/spack/repos/builtin/packages/py-filelock/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-fiscalyear/package.py b/var/spack/repos/builtin/packages/py-fiscalyear/package.py
index 45f44261edef03198121282098e77ad0275f2d4d..0f3081653c0d4497c1be19a449b1a73cdcffe203 100644
--- a/var/spack/repos/builtin/packages/py-fiscalyear/package.py
+++ b/var/spack/repos/builtin/packages/py-fiscalyear/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-flake8-polyfill/package.py b/var/spack/repos/builtin/packages/py-flake8-polyfill/package.py
index 38c593accece395ee9bf808f1b4c28a968c0b9e8..2a23489694de3d925a2967946ae1a63be2f08121 100644
--- a/var/spack/repos/builtin/packages/py-flake8-polyfill/package.py
+++ b/var/spack/repos/builtin/packages/py-flake8-polyfill/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-flake8/package.py b/var/spack/repos/builtin/packages/py-flake8/package.py
index 7de8251b3a45c9f298801af6d64313a0b595e121..75a8e999f45c661296c4e098e4b7fdc8211dd166 100644
--- a/var/spack/repos/builtin/packages/py-flake8/package.py
+++ b/var/spack/repos/builtin/packages/py-flake8/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-flask-compress/package.py b/var/spack/repos/builtin/packages/py-flask-compress/package.py
index eef67368f1f36e0d93302848c9d3b25fe6b00a91..56565a20e7a8c7696b31db5295293683bbe94b94 100644
--- a/var/spack/repos/builtin/packages/py-flask-compress/package.py
+++ b/var/spack/repos/builtin/packages/py-flask-compress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-flask-socketio/package.py b/var/spack/repos/builtin/packages/py-flask-socketio/package.py
index cf78678ad4707db3508754a684219fe7351b5339..5b016f1d5fd04d7afd0d9913c246b1a3db0c471a 100644
--- a/var/spack/repos/builtin/packages/py-flask-socketio/package.py
+++ b/var/spack/repos/builtin/packages/py-flask-socketio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-flask/package.py b/var/spack/repos/builtin/packages/py-flask/package.py
index 310f589e77f7487244cba01d7067f5fb9e6fedad..50f45b27884bdd015569a389e6de79512fdb5cd7 100644
--- a/var/spack/repos/builtin/packages/py-flask/package.py
+++ b/var/spack/repos/builtin/packages/py-flask/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-flexx/package.py b/var/spack/repos/builtin/packages/py-flexx/package.py
index 6f7ef5e06d209b42eaccdc1899ebba80a541bbc9..bf949e62bda5c633a8a3be95de0329e177fe5238 100644
--- a/var/spack/repos/builtin/packages/py-flexx/package.py
+++ b/var/spack/repos/builtin/packages/py-flexx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-fn/package.py b/var/spack/repos/builtin/packages/py-fn/package.py
index 3076acc064f31039d37ffbf185181b3481c1bbc6..adf6a474dc6af86a4b25107425931b1a5091bded 100644
--- a/var/spack/repos/builtin/packages/py-fn/package.py
+++ b/var/spack/repos/builtin/packages/py-fn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-fparser/package.py b/var/spack/repos/builtin/packages/py-fparser/package.py
index 0b6a9c7da6cbec08137da34cfb3c00cee24790ca..a1eccda12131474c600a7b42a68f82051fcc86bf 100644
--- a/var/spack/repos/builtin/packages/py-fparser/package.py
+++ b/var/spack/repos/builtin/packages/py-fparser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-funcsigs/package.py b/var/spack/repos/builtin/packages/py-funcsigs/package.py
index e51e76094286874751032a55cbac6852bc727a0f..c39c95ac8bf597fbbbc3e6fc229c8f876394cbed 100644
--- a/var/spack/repos/builtin/packages/py-funcsigs/package.py
+++ b/var/spack/repos/builtin/packages/py-funcsigs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-functools32/package.py b/var/spack/repos/builtin/packages/py-functools32/package.py
index 1c3b125f2097520071768470165b007e704b4733..e33afafdfe7ac2d2c3cd8232476aaf856145528a 100644
--- a/var/spack/repos/builtin/packages/py-functools32/package.py
+++ b/var/spack/repos/builtin/packages/py-functools32/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-future/package.py b/var/spack/repos/builtin/packages/py-future/package.py
index b6c6a123cea7e696eb0c66fa439450158f9bc779..862abd8e64ded983a17592577871acaa6048c59d 100644
--- a/var/spack/repos/builtin/packages/py-future/package.py
+++ b/var/spack/repos/builtin/packages/py-future/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-futures/package.py b/var/spack/repos/builtin/packages/py-futures/package.py
index 94a7c6463123b21cbc54cd01c494ad17e8eff868..8db11089f57f27fe285bb3a8084577eeff6bd8d7 100644
--- a/var/spack/repos/builtin/packages/py-futures/package.py
+++ b/var/spack/repos/builtin/packages/py-futures/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-gdbgui/package.py b/var/spack/repos/builtin/packages/py-gdbgui/package.py
index 2e35909900d68fcc8ebb8a52d09cb018ec054abb..3f32218ef41744e023cacbbfad73c8a9a18c6252 100644
--- a/var/spack/repos/builtin/packages/py-gdbgui/package.py
+++ b/var/spack/repos/builtin/packages/py-gdbgui/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-genders/package.py b/var/spack/repos/builtin/packages/py-genders/package.py
index 9d5b0b6e11d6f53b9da5a1cf5020d311012750a4..c3a210361d89f5d6704b57e667c509660e222661 100644
--- a/var/spack/repos/builtin/packages/py-genders/package.py
+++ b/var/spack/repos/builtin/packages/py-genders/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-genshi/package.py b/var/spack/repos/builtin/packages/py-genshi/package.py
index fcb304a7e16eb0321407b5d7585d4a2aa837c3f6..0b2405d6e475c902aaa66dfdb5e1d30fe924b76c 100644
--- a/var/spack/repos/builtin/packages/py-genshi/package.py
+++ b/var/spack/repos/builtin/packages/py-genshi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-gevent/package.py b/var/spack/repos/builtin/packages/py-gevent/package.py
index 4143a46559e0aa8ddf4213e85ac5d300e522f2f5..a69a3e5bf8c1a7462b1a0a1a12d1982b2f6f7d36 100644
--- a/var/spack/repos/builtin/packages/py-gevent/package.py
+++ b/var/spack/repos/builtin/packages/py-gevent/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-git-review/package.py b/var/spack/repos/builtin/packages/py-git-review/package.py
index 0ce3a852d93892624910201f8323809fc9998e12..60291f5b1a1afb9fbabc8e88dbf21205364c9676 100644
--- a/var/spack/repos/builtin/packages/py-git-review/package.py
+++ b/var/spack/repos/builtin/packages/py-git-review/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-git2/package.py b/var/spack/repos/builtin/packages/py-git2/package.py
index 6f42e2523e547c3e17efb1895e5e3955efedac45..ce6be1164eece3901d30d90f8f59517f75d135fc 100644
--- a/var/spack/repos/builtin/packages/py-git2/package.py
+++ b/var/spack/repos/builtin/packages/py-git2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-gnuplot/package.py b/var/spack/repos/builtin/packages/py-gnuplot/package.py
index 59a0809bea51c5b97ec6eb8673f155101bf205ea..782c3cbe32b4e998cb39cdeefde3b054218008a0 100644
--- a/var/spack/repos/builtin/packages/py-gnuplot/package.py
+++ b/var/spack/repos/builtin/packages/py-gnuplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-goatools/package.py b/var/spack/repos/builtin/packages/py-goatools/package.py
index 3a0ac15c44a3999b384a241faf239e927ce155cf..4e97681f78713e8bac0fe373f4fab4827437e1e8 100644
--- a/var/spack/repos/builtin/packages/py-goatools/package.py
+++ b/var/spack/repos/builtin/packages/py-goatools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-gpaw/package.py b/var/spack/repos/builtin/packages/py-gpaw/package.py
index 6e2fa62f7695c6f047e37c7abbc2e5b006e8b0a2..6761ca97e2fffe88e05b3c41001fcf9a86d0a792 100644
--- a/var/spack/repos/builtin/packages/py-gpaw/package.py
+++ b/var/spack/repos/builtin/packages/py-gpaw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-greenlet/package.py b/var/spack/repos/builtin/packages/py-greenlet/package.py
index ff9589824fdb4c4d85d6dfaff97e2cd3c3006a0f..7e62859eeacc6e73c330255e88fb76f8373aeb15 100644
--- a/var/spack/repos/builtin/packages/py-greenlet/package.py
+++ b/var/spack/repos/builtin/packages/py-greenlet/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-griddataformats/package.py b/var/spack/repos/builtin/packages/py-griddataformats/package.py
index 56916d0e275adbc59e0036c85011dcd3b593bf1b..70b71323b29594a8343e84fac708a662d9b92cab 100644
--- a/var/spack/repos/builtin/packages/py-griddataformats/package.py
+++ b/var/spack/repos/builtin/packages/py-griddataformats/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-guidata/package.py b/var/spack/repos/builtin/packages/py-guidata/package.py
index b8737bcfa55acce78148c5b5d09f258739cfe06f..328e8d36a7e814358f38aa5ea012ebd1b04318da 100644
--- a/var/spack/repos/builtin/packages/py-guidata/package.py
+++ b/var/spack/repos/builtin/packages/py-guidata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-guiqwt/package.py b/var/spack/repos/builtin/packages/py-guiqwt/package.py
index dfe0610cbd71a4e8748199e7b341da2ceb049c41..98716625cdae1f45872a6744c370d9c4d41bf39a 100644
--- a/var/spack/repos/builtin/packages/py-guiqwt/package.py
+++ b/var/spack/repos/builtin/packages/py-guiqwt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-h5py/package.py b/var/spack/repos/builtin/packages/py-h5py/package.py
index 566e1a50a872f6ff7a5045e80850c19ded0a2393..7a6b61c2696e4a913ccd77c6c0af5c7b36ad2d71 100644
--- a/var/spack/repos/builtin/packages/py-h5py/package.py
+++ b/var/spack/repos/builtin/packages/py-h5py/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-html2text/package.py b/var/spack/repos/builtin/packages/py-html2text/package.py
index ce317990499fb8387d1f01b8a40b839ce391d4f4..b7509e6e7244a97abc01d7dc406b5f78ed803561 100644
--- a/var/spack/repos/builtin/packages/py-html2text/package.py
+++ b/var/spack/repos/builtin/packages/py-html2text/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-html5lib/package.py b/var/spack/repos/builtin/packages/py-html5lib/package.py
index fd94b04f8396634b7818d125370498507e98666e..f80d0bea3420a95df1ba29b457c7b3d9d3a14253 100644
--- a/var/spack/repos/builtin/packages/py-html5lib/package.py
+++ b/var/spack/repos/builtin/packages/py-html5lib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-htseq/package.py b/var/spack/repos/builtin/packages/py-htseq/package.py
index 57460638cea87b28e99ed09a0a7a743cd949c530..0e24981d1ac40f452109ee75846c3370c6498399 100644
--- a/var/spack/repos/builtin/packages/py-htseq/package.py
+++ b/var/spack/repos/builtin/packages/py-htseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-httpbin/package.py b/var/spack/repos/builtin/packages/py-httpbin/package.py
index ecf7af91ae24d46a18e7e93e9448d74413bdef3e..f4a2048b4ec82e31a424fc42833878d1bd082615 100644
--- a/var/spack/repos/builtin/packages/py-httpbin/package.py
+++ b/var/spack/repos/builtin/packages/py-httpbin/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-hypothesis/package.py b/var/spack/repos/builtin/packages/py-hypothesis/package.py
index bf420e50c18e12ad1004b89804a3b3fa86123cdf..3c9abda75cf02bc8fd7cf2eaaa238670648351bb 100644
--- a/var/spack/repos/builtin/packages/py-hypothesis/package.py
+++ b/var/spack/repos/builtin/packages/py-hypothesis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-idna/package.py b/var/spack/repos/builtin/packages/py-idna/package.py
index 25796a00a2bb9537f1de8ba1963dcddc16b97f75..7e37aa6441f7d0ac417f5a79a2b29cf52f1e17ae 100644
--- a/var/spack/repos/builtin/packages/py-idna/package.py
+++ b/var/spack/repos/builtin/packages/py-idna/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-igraph/package.py b/var/spack/repos/builtin/packages/py-igraph/package.py
index ad12c2f7d450ceb72932fe1ffe6910f793044152..03fe3a8a8a379760af0bc3213cd6f18b8c8a3d06 100644
--- a/var/spack/repos/builtin/packages/py-igraph/package.py
+++ b/var/spack/repos/builtin/packages/py-igraph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-illumina-utils/package.py b/var/spack/repos/builtin/packages/py-illumina-utils/package.py
index 1fec2f5ae7b9f34b53167b0d2aad581f981c00fb..b970e697974058ad6dc74c576565704bcc2be903 100644
--- a/var/spack/repos/builtin/packages/py-illumina-utils/package.py
+++ b/var/spack/repos/builtin/packages/py-illumina-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-imageio/package.py b/var/spack/repos/builtin/packages/py-imageio/package.py
index 55122f1d34f742f82ea87a102915070b0433da78..bff47aa4eef850e20ff53174db8c0cb3a9ad5d10 100644
--- a/var/spack/repos/builtin/packages/py-imageio/package.py
+++ b/var/spack/repos/builtin/packages/py-imageio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-imagesize/package.py b/var/spack/repos/builtin/packages/py-imagesize/package.py
index b3bbbe50242407feb7ae26aef041311110738935..c1fc830a60f800c9fc89f8f2bedf8d44dc89eb26 100644
--- a/var/spack/repos/builtin/packages/py-imagesize/package.py
+++ b/var/spack/repos/builtin/packages/py-imagesize/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-iminuit/package.py b/var/spack/repos/builtin/packages/py-iminuit/package.py
index fc4537d5ba4f6b8e2f3e0fb9f7241442698171ba..01dcd9f37d526b18edcce1b9c4f066ea350d4cd8 100644
--- a/var/spack/repos/builtin/packages/py-iminuit/package.py
+++ b/var/spack/repos/builtin/packages/py-iminuit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-importlib/package.py b/var/spack/repos/builtin/packages/py-importlib/package.py
index d1996aa680fd942ce0a75b6f37e5e53a51073fb7..90bd1dd9df27293671a6193e9f0b36ee4ee48305 100644
--- a/var/spack/repos/builtin/packages/py-importlib/package.py
+++ b/var/spack/repos/builtin/packages/py-importlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ipaddress/package.py b/var/spack/repos/builtin/packages/py-ipaddress/package.py
index 2f8b09717fee952cda49230b951518f42c767094..287a4850bac086725997b383c553c5d223fce1ae 100644
--- a/var/spack/repos/builtin/packages/py-ipaddress/package.py
+++ b/var/spack/repos/builtin/packages/py-ipaddress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-ipdb/package.py b/var/spack/repos/builtin/packages/py-ipdb/package.py
index 3c2d786a1c31e15664443cef2667dc051de74809..f60e3b58afb149c9d0e2db728c8dd0ab445dcc56 100644
--- a/var/spack/repos/builtin/packages/py-ipdb/package.py
+++ b/var/spack/repos/builtin/packages/py-ipdb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ipykernel/package.py b/var/spack/repos/builtin/packages/py-ipykernel/package.py
index 30e021a254406d18fb706268f9d27c1ff6203674..804bfe88d4c3d4668e20d54379f14be34fb820b5 100644
--- a/var/spack/repos/builtin/packages/py-ipykernel/package.py
+++ b/var/spack/repos/builtin/packages/py-ipykernel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ipython-genutils/package.py b/var/spack/repos/builtin/packages/py-ipython-genutils/package.py
index 29d87e0186753d4e02188e68244420ebb7856a62..e09aca3606b1d040ce4422ea98425eb699a80435 100644
--- a/var/spack/repos/builtin/packages/py-ipython-genutils/package.py
+++ b/var/spack/repos/builtin/packages/py-ipython-genutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ipython/package.py b/var/spack/repos/builtin/packages/py-ipython/package.py
index e1e7410306c001291733e60adcef31aec6cda3d9..d6373ab393af20f2f7b4eb04d76598a2b18c2ad1 100644
--- a/var/spack/repos/builtin/packages/py-ipython/package.py
+++ b/var/spack/repos/builtin/packages/py-ipython/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 import platform
diff --git a/var/spack/repos/builtin/packages/py-ipywidgets/package.py b/var/spack/repos/builtin/packages/py-ipywidgets/package.py
index a8477dc452c84112c73ed8b61e12a2513415f845..58ce77221680ffd98f749de91c6d48fcb5e1fd8d 100644
--- a/var/spack/repos/builtin/packages/py-ipywidgets/package.py
+++ b/var/spack/repos/builtin/packages/py-ipywidgets/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-isort/package.py b/var/spack/repos/builtin/packages/py-isort/package.py
index cfa2b711d1a3a4bc440b5f1a3113bd029147bc51..b3b9dfdd6dd2897fd0b8b1caedefab46daefb264 100644
--- a/var/spack/repos/builtin/packages/py-isort/package.py
+++ b/var/spack/repos/builtin/packages/py-isort/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-itsdangerous/package.py b/var/spack/repos/builtin/packages/py-itsdangerous/package.py
index 74912a055d79e2e14a6a9142bfff820ad6a2de6c..9ee5505f934f86a5c50905617fa972f4d057cf7e 100644
--- a/var/spack/repos/builtin/packages/py-itsdangerous/package.py
+++ b/var/spack/repos/builtin/packages/py-itsdangerous/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jdcal/package.py b/var/spack/repos/builtin/packages/py-jdcal/package.py
index 5592c4217515b2fb4d09a763ec5a45bcdaf57fe9..7274df377f8e85c2099e1c5d26bf0946b3d0a02e 100644
--- a/var/spack/repos/builtin/packages/py-jdcal/package.py
+++ b/var/spack/repos/builtin/packages/py-jdcal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jedi/package.py b/var/spack/repos/builtin/packages/py-jedi/package.py
index dfe528f9d615655b7a7d48c9bd99a6802cee287c..3bb5b51ed9f578c471371f2ed833a3a71e2f793a 100644
--- a/var/spack/repos/builtin/packages/py-jedi/package.py
+++ b/var/spack/repos/builtin/packages/py-jedi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jinja2/package.py b/var/spack/repos/builtin/packages/py-jinja2/package.py
index 4ea32128bea721cd10a3dd301f44c5a55f9f46c9..454ec2691c431dc05c71f7df6fa22fa9c043fd80 100644
--- a/var/spack/repos/builtin/packages/py-jinja2/package.py
+++ b/var/spack/repos/builtin/packages/py-jinja2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-joblib/package.py b/var/spack/repos/builtin/packages/py-joblib/package.py
index 5ad8efefd8ec7a46ee4ade704587dd18b37a88d9..3f0e8c86afb85e9afe47aca0a9ea0cc20ec6fccd 100644
--- a/var/spack/repos/builtin/packages/py-joblib/package.py
+++ b/var/spack/repos/builtin/packages/py-joblib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jprops/package.py b/var/spack/repos/builtin/packages/py-jprops/package.py
index b268a5016ade3313bad051c02b3aff4b5ae90f23..ed0cafdc2daef85fe5782705de437c7456e0f1f3 100644
--- a/var/spack/repos/builtin/packages/py-jprops/package.py
+++ b/var/spack/repos/builtin/packages/py-jprops/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jpype/package.py b/var/spack/repos/builtin/packages/py-jpype/package.py
index f4c817cdf2c85bd2f88ea6af4888dd4e30ed7e0b..ba72b9ac91b96465bcc82bfe050a573415a8dadd 100644
--- a/var/spack/repos/builtin/packages/py-jpype/package.py
+++ b/var/spack/repos/builtin/packages/py-jpype/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jsonschema/package.py b/var/spack/repos/builtin/packages/py-jsonschema/package.py
index d6cdae0b6f1f2b754e7d1876d5024ce22515912c..dacd9cad01ae49c0ecd047608167f3202444339e 100644
--- a/var/spack/repos/builtin/packages/py-jsonschema/package.py
+++ b/var/spack/repos/builtin/packages/py-jsonschema/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-junit-xml/package.py b/var/spack/repos/builtin/packages/py-junit-xml/package.py
index 06062d5a4f1ca7cc09e149605282882105f556e8..f1e76c409eb9d56ffaa7b2123b79d1c398cccc6c 100644
--- a/var/spack/repos/builtin/packages/py-junit-xml/package.py
+++ b/var/spack/repos/builtin/packages/py-junit-xml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jupyter-client/package.py b/var/spack/repos/builtin/packages/py-jupyter-client/package.py
index dc1d7279cde8eb6b9acffa36e4e5fc502d5b14e3..23d22e2e007d6b25015b11f041f187900f0bd358 100644
--- a/var/spack/repos/builtin/packages/py-jupyter-client/package.py
+++ b/var/spack/repos/builtin/packages/py-jupyter-client/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jupyter-console/package.py b/var/spack/repos/builtin/packages/py-jupyter-console/package.py
index 224072d9cf5339e2d2c7852d334ff0961f3a6913..6b041bf9965d81a6aec28c2e9bcde13c3ee5caa1 100644
--- a/var/spack/repos/builtin/packages/py-jupyter-console/package.py
+++ b/var/spack/repos/builtin/packages/py-jupyter-console/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jupyter-core/package.py b/var/spack/repos/builtin/packages/py-jupyter-core/package.py
index 0887a64ae0afc2d2fff9bf24c469eb6a2c6228df..f9e7af9a7039d02e65eb3d082c9d3813e404ef09 100644
--- a/var/spack/repos/builtin/packages/py-jupyter-core/package.py
+++ b/var/spack/repos/builtin/packages/py-jupyter-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-jupyter-notebook/package.py b/var/spack/repos/builtin/packages/py-jupyter-notebook/package.py
index 16e460b4f7eaa9f0961783cd8df251fae21b550b..c3cc182200f3176feddf3d1b78d69564be916509 100644
--- a/var/spack/repos/builtin/packages/py-jupyter-notebook/package.py
+++ b/var/spack/repos/builtin/packages/py-jupyter-notebook/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-keras/package.py b/var/spack/repos/builtin/packages/py-keras/package.py
index cc0a4de1f2a8ad70b3f470b42556e7ef6745080e..24ee491907362602cfe5da1a643945ab4c3914bf 100644
--- a/var/spack/repos/builtin/packages/py-keras/package.py
+++ b/var/spack/repos/builtin/packages/py-keras/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-kiwisolver/package.py b/var/spack/repos/builtin/packages/py-kiwisolver/package.py
index aa4f5637fabb63cac8b270d6e4b5ea4fefe827a5..09acd58afc6d6d2fbb1e0b2917ba8bb1dca169a7 100644
--- a/var/spack/repos/builtin/packages/py-kiwisolver/package.py
+++ b/var/spack/repos/builtin/packages/py-kiwisolver/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lark-parser/package.py b/var/spack/repos/builtin/packages/py-lark-parser/package.py
index da31bb7b77bd90e7ba92abea477c651ba16c2a33..08dce8163ceb54d26c225ddd16c6dbe9f7e7c7ab 100644
--- a/var/spack/repos/builtin/packages/py-lark-parser/package.py
+++ b/var/spack/repos/builtin/packages/py-lark-parser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-latexcodec/package.py b/var/spack/repos/builtin/packages/py-latexcodec/package.py
index 1ae6670d91551e338d493e71386e912f9fe556b2..6870a4c6868be05ca4b518b334a8e562ed985022 100644
--- a/var/spack/repos/builtin/packages/py-latexcodec/package.py
+++ b/var/spack/repos/builtin/packages/py-latexcodec/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lazy-object-proxy/package.py b/var/spack/repos/builtin/packages/py-lazy-object-proxy/package.py
index 7bb87f2673ab812207dd5e15065f9c5503867735..c2b420d70f68beba72c7a1c8da410b418dd8ce6b 100644
--- a/var/spack/repos/builtin/packages/py-lazy-object-proxy/package.py
+++ b/var/spack/repos/builtin/packages/py-lazy-object-proxy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lazy-property/package.py b/var/spack/repos/builtin/packages/py-lazy-property/package.py
index 51b6edefec1f8ff60722e32ef9838bfcce2c9ad7..8e6b0d13c9b37cdb476ab250c965c88802879ecd 100644
--- a/var/spack/repos/builtin/packages/py-lazy-property/package.py
+++ b/var/spack/repos/builtin/packages/py-lazy-property/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lazy/package.py b/var/spack/repos/builtin/packages/py-lazy/package.py
index 4b7658078ebe2ca2243c0993fa82fb2ae5c01202..a58bc887df5606a384d3cd3e79929aec995c8533 100644
--- a/var/spack/repos/builtin/packages/py-lazy/package.py
+++ b/var/spack/repos/builtin/packages/py-lazy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lazyarray/package.py b/var/spack/repos/builtin/packages/py-lazyarray/package.py
index 1af8eff53ef69867f5845195eecfa094f547bfb2..0b60b82154546d1739190f50dbc1f595b9ae65f2 100644
--- a/var/spack/repos/builtin/packages/py-lazyarray/package.py
+++ b/var/spack/repos/builtin/packages/py-lazyarray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-libconf/package.py b/var/spack/repos/builtin/packages/py-libconf/package.py
index a6aebfbe94cf8274934402413f1a1ba7822deb81..bd7db99d9996354c2ef99ec5d331c616036b0875 100644
--- a/var/spack/repos/builtin/packages/py-libconf/package.py
+++ b/var/spack/repos/builtin/packages/py-libconf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-libensemble/package.py b/var/spack/repos/builtin/packages/py-libensemble/package.py
index c6237c588d2a44a976b501fd46bdb5b0ae0caa59..bb06ab3b3b280e72510f9a7702352b316278996a 100644
--- a/var/spack/repos/builtin/packages/py-libensemble/package.py
+++ b/var/spack/repos/builtin/packages/py-libensemble/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-line-profiler/package.py b/var/spack/repos/builtin/packages/py-line-profiler/package.py
index 9d3ee5822de82cf16f6dc6c2c8425f82b02ec0c5..2079945405d8851149c5a352fa8b696e1372ab61 100644
--- a/var/spack/repos/builtin/packages/py-line-profiler/package.py
+++ b/var/spack/repos/builtin/packages/py-line-profiler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-linecache2/package.py b/var/spack/repos/builtin/packages/py-linecache2/package.py
index c29c0c2e39867e2df121d5853ab91039a1e168c4..1d0595d464ec5bcadd038b209dbbcd0f79562c23 100644
--- a/var/spack/repos/builtin/packages/py-linecache2/package.py
+++ b/var/spack/repos/builtin/packages/py-linecache2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lit/package.py b/var/spack/repos/builtin/packages/py-lit/package.py
index 552c619c32e0df0ad04452e93a61695ce0edec5f..0712ccc1c25751dc1a1fd02bc642bffee5562174 100644
--- a/var/spack/repos/builtin/packages/py-lit/package.py
+++ b/var/spack/repos/builtin/packages/py-lit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-llvmlite/package.py b/var/spack/repos/builtin/packages/py-llvmlite/package.py
index b5248d496f0a317b1674906e048050d7d69472ad..e3ee1b04a0e4f0d16597de329acb743dfb013459 100644
--- a/var/spack/repos/builtin/packages/py-llvmlite/package.py
+++ b/var/spack/repos/builtin/packages/py-llvmlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lmfit/package.py b/var/spack/repos/builtin/packages/py-lmfit/package.py
index 4602776bedec5c2b8c2782e2c1d0ef15fd3f4f75..7247c55cdb0198d25cdd7e5748436bc0030b8617 100644
--- a/var/spack/repos/builtin/packages/py-lmfit/package.py
+++ b/var/spack/repos/builtin/packages/py-lmfit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-localcider/package.py b/var/spack/repos/builtin/packages/py-localcider/package.py
index fcd65d283bdafccf10ef5926e9c24f8df577960e..51fc5c50e00a933a1b50a35927be6123d01a743c 100644
--- a/var/spack/repos/builtin/packages/py-localcider/package.py
+++ b/var/spack/repos/builtin/packages/py-localcider/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-locket/package.py b/var/spack/repos/builtin/packages/py-locket/package.py
index dfe683a4b04c36a25e93476c5e1a78dc49b49a76..addc225fbbbd0928c59aaf41e74ff063af947df1 100644
--- a/var/spack/repos/builtin/packages/py-locket/package.py
+++ b/var/spack/repos/builtin/packages/py-locket/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lockfile/package.py b/var/spack/repos/builtin/packages/py-lockfile/package.py
index c18da87dd97ff4e60d6ec99f2253c5201895c0a0..deb8c08e0dde5348fe665c1ee9669a31b421ca79 100644
--- a/var/spack/repos/builtin/packages/py-lockfile/package.py
+++ b/var/spack/repos/builtin/packages/py-lockfile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-logilab-common/package.py b/var/spack/repos/builtin/packages/py-logilab-common/package.py
index 105f1079d286aa7bd59e20290dc655b6d03113a2..20c1649c7a954e946a3d55278ae4a52079c787bb 100644
--- a/var/spack/repos/builtin/packages/py-logilab-common/package.py
+++ b/var/spack/repos/builtin/packages/py-logilab-common/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lrudict/package.py b/var/spack/repos/builtin/packages/py-lrudict/package.py
index fb458bb3e245abe7f712dc913356b6f3c63f53c5..48a94c04e43fc4ac01ba4d5497bab1d923dc43f0 100644
--- a/var/spack/repos/builtin/packages/py-lrudict/package.py
+++ b/var/spack/repos/builtin/packages/py-lrudict/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-lxml/package.py b/var/spack/repos/builtin/packages/py-lxml/package.py
index 82a782037b4d7950c4a7c0e4f73de1a64730b18b..63d2024e24e5aad5e3fb912c5ce9dddb531cac3e 100644
--- a/var/spack/repos/builtin/packages/py-lxml/package.py
+++ b/var/spack/repos/builtin/packages/py-lxml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-lzstring/package.py b/var/spack/repos/builtin/packages/py-lzstring/package.py
index 48645203f6c7a320f372d4cca4768eb3e7d18d27..0302eab94d55438f20f7a25aa6706fa4405471ee 100644
--- a/var/spack/repos/builtin/packages/py-lzstring/package.py
+++ b/var/spack/repos/builtin/packages/py-lzstring/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-macholib/package.py b/var/spack/repos/builtin/packages/py-macholib/package.py
index 33d1a3b96f1818537fc7438b049ed3246cd93665..5a82411b16b41f41f621ead21aaa8c17e7fa86a7 100644
--- a/var/spack/repos/builtin/packages/py-macholib/package.py
+++ b/var/spack/repos/builtin/packages/py-macholib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-machotools/package.py b/var/spack/repos/builtin/packages/py-machotools/package.py
index 8a2e42e824271a2f12542dc8349b5e444373aaa4..3ad4ca45e519c73afd045b0a72eda05eebddbef9 100644
--- a/var/spack/repos/builtin/packages/py-machotools/package.py
+++ b/var/spack/repos/builtin/packages/py-machotools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-macs2/package.py b/var/spack/repos/builtin/packages/py-macs2/package.py
index 70cf69d2f744ffe82abe6a2856e715d2b2b4d2f0..6f0d78e33b2b1274913a70ff534998b686cc374b 100644
--- a/var/spack/repos/builtin/packages/py-macs2/package.py
+++ b/var/spack/repos/builtin/packages/py-macs2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-maestrowf/package.py b/var/spack/repos/builtin/packages/py-maestrowf/package.py
index 7a5ab5f9757e414ef519eb713b2fd4577c8ff7d4..06857ed21dacd2d5e1978a0ee90c6db531b217ff 100644
--- a/var/spack/repos/builtin/packages/py-maestrowf/package.py
+++ b/var/spack/repos/builtin/packages/py-maestrowf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mako/package.py b/var/spack/repos/builtin/packages/py-mako/package.py
index 7e7b5d07d8cdaf143ea18334c615a3ea8e4c7c1a..7bb89b2d399b3839318c10f07486e35e717b1c52 100644
--- a/var/spack/repos/builtin/packages/py-mako/package.py
+++ b/var/spack/repos/builtin/packages/py-mako/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mappy/package.py b/var/spack/repos/builtin/packages/py-mappy/package.py
index d0ac64f26c4fd9b2e1778f95400dc5a03333b84f..23f975dd8abe53b33a0376079a96bba7f2a9ece1 100644
--- a/var/spack/repos/builtin/packages/py-mappy/package.py
+++ b/var/spack/repos/builtin/packages/py-mappy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-markdown/package.py b/var/spack/repos/builtin/packages/py-markdown/package.py
index 79d867898d8d31f1e0762237850177ccf8368db5..80f395dbc8ff68de7414415e95b9596343a7ffb4 100644
--- a/var/spack/repos/builtin/packages/py-markdown/package.py
+++ b/var/spack/repos/builtin/packages/py-markdown/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-markupsafe/package.py b/var/spack/repos/builtin/packages/py-markupsafe/package.py
index c2d595091561a80544ef3989f8dc80fac9384f34..1d681f2987445f2916e896c902741c790a6048a1 100644
--- a/var/spack/repos/builtin/packages/py-markupsafe/package.py
+++ b/var/spack/repos/builtin/packages/py-markupsafe/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-matplotlib/package.py b/var/spack/repos/builtin/packages/py-matplotlib/package.py
index a199a55a81cd09f4d253ab039ffdfe05df029e10..b63a52d9ba542db75a7288a53a3df0aaf4b5fae0 100644
--- a/var/spack/repos/builtin/packages/py-matplotlib/package.py
+++ b/var/spack/repos/builtin/packages/py-matplotlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/py-mccabe/package.py b/var/spack/repos/builtin/packages/py-mccabe/package.py
index 487320a755eca307138051d9295d3131d650cfc1..13dfddc0c40ad6c9b37aad612fefc6c8873e2002 100644
--- a/var/spack/repos/builtin/packages/py-mccabe/package.py
+++ b/var/spack/repos/builtin/packages/py-mccabe/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mdanalysis/package.py b/var/spack/repos/builtin/packages/py-mdanalysis/package.py
index ce60ebff492bc62686070d796232db5f345b44d5..15f40f18619612b116ee85e83f55e6be5767d8fb 100644
--- a/var/spack/repos/builtin/packages/py-mdanalysis/package.py
+++ b/var/spack/repos/builtin/packages/py-mdanalysis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-meep/package.py b/var/spack/repos/builtin/packages/py-meep/package.py
index 719b7fa4892f159ccafad25555935714c87fabf4..0b257a64c6ba4a664798d70a0a3ce23201f93791 100644
--- a/var/spack/repos/builtin/packages/py-meep/package.py
+++ b/var/spack/repos/builtin/packages/py-meep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-memory-profiler/package.py b/var/spack/repos/builtin/packages/py-memory-profiler/package.py
index 26872baf5c58b97fa7aca5f78bf9a6cc6716324c..92ccc763dc2f2b4b60d6b8e1b5090a224cb382a6 100644
--- a/var/spack/repos/builtin/packages/py-memory-profiler/package.py
+++ b/var/spack/repos/builtin/packages/py-memory-profiler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-methylcode/package.py b/var/spack/repos/builtin/packages/py-methylcode/package.py
index b49dcb30d9a96d39913483f830a5e79309b59094..b416b27f62044480d9dabddbe5381b5cb5bb6f0f 100644
--- a/var/spack/repos/builtin/packages/py-methylcode/package.py
+++ b/var/spack/repos/builtin/packages/py-methylcode/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mg-rast-tools/package.py b/var/spack/repos/builtin/packages/py-mg-rast-tools/package.py
index a01cc62b6aea3178dd3c78975cfee8ee8608dfd6..0d2c08414287e126fc13ae8a212ea068f5ad3258 100644
--- a/var/spack/repos/builtin/packages/py-mg-rast-tools/package.py
+++ b/var/spack/repos/builtin/packages/py-mg-rast-tools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-misopy/package.py b/var/spack/repos/builtin/packages/py-misopy/package.py
index ce0a8ac46ce07a3a516450d8d37ae1a41d4b67ff..832c8ca6051ca228222cbaba0ef8771e4df94974 100644
--- a/var/spack/repos/builtin/packages/py-misopy/package.py
+++ b/var/spack/repos/builtin/packages/py-misopy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mistune/package.py b/var/spack/repos/builtin/packages/py-mistune/package.py
index 46097726f86e3792e74114642246624d3203d63b..71378fb539b861faff9b0611b8704e7bf6bf7083 100644
--- a/var/spack/repos/builtin/packages/py-mistune/package.py
+++ b/var/spack/repos/builtin/packages/py-mistune/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mock/package.py b/var/spack/repos/builtin/packages/py-mock/package.py
index 154bc1191de87f28f5197f4482fc6b3f4f6a079b..861ca10f9c83aa9ff36afa5d10934867ddeb6ff4 100644
--- a/var/spack/repos/builtin/packages/py-mock/package.py
+++ b/var/spack/repos/builtin/packages/py-mock/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-moltemplate/package.py b/var/spack/repos/builtin/packages/py-moltemplate/package.py
index 6b7a6d4bf8b845cf5cabc62fce7eccd42c134c74..00993fb4dee73c661fd1cb74b51c715ac9409c9a 100644
--- a/var/spack/repos/builtin/packages/py-moltemplate/package.py
+++ b/var/spack/repos/builtin/packages/py-moltemplate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mongo/package.py b/var/spack/repos/builtin/packages/py-mongo/package.py
index a774579f5515fe67dbc685b725a7f44a02584440..ae364c1a3f1a1a059ab25720b86cc28b461424f7 100644
--- a/var/spack/repos/builtin/packages/py-mongo/package.py
+++ b/var/spack/repos/builtin/packages/py-mongo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-monotonic/package.py b/var/spack/repos/builtin/packages/py-monotonic/package.py
index f51da8fda083e8f51712bb61f416458e95606465..1d32f68c53a4a0cdcfa09a4252e4ffe47419dc27 100644
--- a/var/spack/repos/builtin/packages/py-monotonic/package.py
+++ b/var/spack/repos/builtin/packages/py-monotonic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-monty/package.py b/var/spack/repos/builtin/packages/py-monty/package.py
index acbe68b54072f5b49e62377eab4e33583c98c8a7..abe10c6ee7b24ccf5d477c143df337a2cb9d1617 100644
--- a/var/spack/repos/builtin/packages/py-monty/package.py
+++ b/var/spack/repos/builtin/packages/py-monty/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-more-itertools/package.py b/var/spack/repos/builtin/packages/py-more-itertools/package.py
index 707bb2f06cf2b492c4c2862efb44ff5c093f137f..eda31ded250b8f7837a1dd4c3580f31b1a4598d4 100644
--- a/var/spack/repos/builtin/packages/py-more-itertools/package.py
+++ b/var/spack/repos/builtin/packages/py-more-itertools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mpi4py/package.py b/var/spack/repos/builtin/packages/py-mpi4py/package.py
index ccd850795a27969bc81a42952aaa45ea3be953fb..aad999820196996cba5580a387cc170d266f12f4 100644
--- a/var/spack/repos/builtin/packages/py-mpi4py/package.py
+++ b/var/spack/repos/builtin/packages/py-mpi4py/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mpmath/package.py b/var/spack/repos/builtin/packages/py-mpmath/package.py
index 1076c63d6385acf73ce0f2e475e1b43023e710ff..b7bb79b0b172a694da519ec9f2131e33aaced50f 100644
--- a/var/spack/repos/builtin/packages/py-mpmath/package.py
+++ b/var/spack/repos/builtin/packages/py-mpmath/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-multiprocess/package.py b/var/spack/repos/builtin/packages/py-multiprocess/package.py
index e247f0cbe8903b8dff75e3cc8aa661e037597333..e9c6bbc0b505a23a2a7e9373eb8c073c14714154 100644
--- a/var/spack/repos/builtin/packages/py-multiprocess/package.py
+++ b/var/spack/repos/builtin/packages/py-multiprocess/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-multiqc/package.py b/var/spack/repos/builtin/packages/py-multiqc/package.py
index 044b76d336549964a8aa33940dcdd76bf10d0f33..62547b8873cb91e5b97a25b78826f551555ea010 100644
--- a/var/spack/repos/builtin/packages/py-multiqc/package.py
+++ b/var/spack/repos/builtin/packages/py-multiqc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mx/package.py b/var/spack/repos/builtin/packages/py-mx/package.py
index 1306e663cf26205c2770ba71cf2c52d567ca868b..fe4ff8fff153ae16975b4c18cdc6ea87a6b84ff8 100644
--- a/var/spack/repos/builtin/packages/py-mx/package.py
+++ b/var/spack/repos/builtin/packages/py-mx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-mxnet/package.py b/var/spack/repos/builtin/packages/py-mxnet/package.py
index eeae66da56aecf80989b5ffdcd82b77e055a90b9..9d11ce9e20a5260b697639cea4537a0f3d7bebdf 100644
--- a/var/spack/repos/builtin/packages/py-mxnet/package.py
+++ b/var/spack/repos/builtin/packages/py-mxnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-myhdl/package.py b/var/spack/repos/builtin/packages/py-myhdl/package.py
index e64b7346df1cbb52b3ffa49e735a26aacdb28d36..38f03691e041a20cfc84b00f59a207fb4796a603 100644
--- a/var/spack/repos/builtin/packages/py-myhdl/package.py
+++ b/var/spack/repos/builtin/packages/py-myhdl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-mysqldb1/package.py b/var/spack/repos/builtin/packages/py-mysqldb1/package.py
index 7033a6f3f201ba188c1ad7c204166c743fd02c42..989ddc6679acbbca21eda22741ffaef9b61d5331 100644
--- a/var/spack/repos/builtin/packages/py-mysqldb1/package.py
+++ b/var/spack/repos/builtin/packages/py-mysqldb1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-natsort/package.py b/var/spack/repos/builtin/packages/py-natsort/package.py
index bc7303d3acd619e3575aeddd5ce82588acdd423a..958f0c1d5f430846d3a3158e60dc02aee6f283c0 100644
--- a/var/spack/repos/builtin/packages/py-natsort/package.py
+++ b/var/spack/repos/builtin/packages/py-natsort/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-nbconvert/package.py b/var/spack/repos/builtin/packages/py-nbconvert/package.py
index ccb943401411da71b6d16432150f0101fe6c195c..e6dc35441fdf8fddeadfc7391d7e4f606402439f 100644
--- a/var/spack/repos/builtin/packages/py-nbconvert/package.py
+++ b/var/spack/repos/builtin/packages/py-nbconvert/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-nbformat/package.py b/var/spack/repos/builtin/packages/py-nbformat/package.py
index 6f34a45dbcf93a8bac464b977466650935b86ebf..48f20262f27cdf0d70ee351e349b34a2e4b27c88 100644
--- a/var/spack/repos/builtin/packages/py-nbformat/package.py
+++ b/var/spack/repos/builtin/packages/py-nbformat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-neo/package.py b/var/spack/repos/builtin/packages/py-neo/package.py
index 7c58c8bb19b428e087664e29bfddf3d6fa4e0247..b1ea797753bca05e82429422c817fffb364c3b7d 100644
--- a/var/spack/repos/builtin/packages/py-neo/package.py
+++ b/var/spack/repos/builtin/packages/py-neo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-nestle/package.py b/var/spack/repos/builtin/packages/py-nestle/package.py
index 8a560d1e4c85e3664b0b7500081f5fbe7cc89934..2796de3333852df6a642aedf100da2e016d968e2 100644
--- a/var/spack/repos/builtin/packages/py-nestle/package.py
+++ b/var/spack/repos/builtin/packages/py-nestle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-netcdf4/package.py b/var/spack/repos/builtin/packages/py-netcdf4/package.py
index 842c988f777dc70706798a3d7cb88479b9a819a0..5099183816cf43dc5ec72cece373aedbb855973e 100644
--- a/var/spack/repos/builtin/packages/py-netcdf4/package.py
+++ b/var/spack/repos/builtin/packages/py-netcdf4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-netifaces/package.py b/var/spack/repos/builtin/packages/py-netifaces/package.py
index 5831f4ccc22acbe1f5b17ef493d67b0518c8bb36..3120e2b13fa7b2eac6a8890d8c816973b9b163ad 100644
--- a/var/spack/repos/builtin/packages/py-netifaces/package.py
+++ b/var/spack/repos/builtin/packages/py-netifaces/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-networkx/package.py b/var/spack/repos/builtin/packages/py-networkx/package.py
index 6ae530e8e06e73a17adc2205a5af797d02663755..b499ca9c4e64a5440e361d1e73cf20f8d6150898 100644
--- a/var/spack/repos/builtin/packages/py-networkx/package.py
+++ b/var/spack/repos/builtin/packages/py-networkx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-nose/package.py b/var/spack/repos/builtin/packages/py-nose/package.py
index dcc0471f610ff6babde192ee5a16ad1215ae6547..636d1d2195eae54783978fdc815966d2623e89a4 100644
--- a/var/spack/repos/builtin/packages/py-nose/package.py
+++ b/var/spack/repos/builtin/packages/py-nose/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-nosexcover/package.py b/var/spack/repos/builtin/packages/py-nosexcover/package.py
index ebbf5cad8f94407e5f1a3abdf652f0a248120451..45da661a206599b284f922f261971d1b4c02f2d6 100644
--- a/var/spack/repos/builtin/packages/py-nosexcover/package.py
+++ b/var/spack/repos/builtin/packages/py-nosexcover/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-numba/package.py b/var/spack/repos/builtin/packages/py-numba/package.py
index 7b10e3aa25b8746938025e720a9854ee58c0648a..550ac571a8c7613f191957710f27a5b2042f7851 100644
--- a/var/spack/repos/builtin/packages/py-numba/package.py
+++ b/var/spack/repos/builtin/packages/py-numba/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-numexpr/package.py b/var/spack/repos/builtin/packages/py-numexpr/package.py
index 29416d8cb18ae549599f6c6c49dffe6cdd00c9b5..9695afb50c4231d588b6d3f5e2489b5f47db225d 100644
--- a/var/spack/repos/builtin/packages/py-numexpr/package.py
+++ b/var/spack/repos/builtin/packages/py-numexpr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-numexpr3/package.py b/var/spack/repos/builtin/packages/py-numexpr3/package.py
index 3b27238ef1f6c84498b47e288e6f27278cf3f030..9b5f1e7dd5fe0535970ee3f3ef20bb2fe160b9a1 100644
--- a/var/spack/repos/builtin/packages/py-numexpr3/package.py
+++ b/var/spack/repos/builtin/packages/py-numexpr3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-numpy/package.py b/var/spack/repos/builtin/packages/py-numpy/package.py
index 7c0dcafbef9411595a9f75da07f1b5672b05319c..e4408a430e9c3ddd967ac04c981980c929fad117 100644
--- a/var/spack/repos/builtin/packages/py-numpy/package.py
+++ b/var/spack/repos/builtin/packages/py-numpy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import platform
 
diff --git a/var/spack/repos/builtin/packages/py-numpydoc/package.py b/var/spack/repos/builtin/packages/py-numpydoc/package.py
index 22dbb24bbc83869633f5ac2d820208fc19ee1332..48512b1943617573e13ae5465838b80ff47dbed8 100644
--- a/var/spack/repos/builtin/packages/py-numpydoc/package.py
+++ b/var/spack/repos/builtin/packages/py-numpydoc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-olefile/package.py b/var/spack/repos/builtin/packages/py-olefile/package.py
index 4b8c0b6247a96e856bebe8af44c7d1dfe324ae3c..3430f4360ac14362a440c4db7b6d20dee2ca98c3 100644
--- a/var/spack/repos/builtin/packages/py-olefile/package.py
+++ b/var/spack/repos/builtin/packages/py-olefile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ont-fast5-api/package.py b/var/spack/repos/builtin/packages/py-ont-fast5-api/package.py
index edb7b0c63257ee02828c4d211245c455df32c56b..e31eeccefcfbf1416b9b906ca6e8f614ab408ba1 100644
--- a/var/spack/repos/builtin/packages/py-ont-fast5-api/package.py
+++ b/var/spack/repos/builtin/packages/py-ont-fast5-api/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-openpmd-validator/package.py b/var/spack/repos/builtin/packages/py-openpmd-validator/package.py
index e6827ee61c1efbee791b2a373dc60398e504b4c6..64c33b86146fa12bf657c9c7ee53940c96771834 100644
--- a/var/spack/repos/builtin/packages/py-openpmd-validator/package.py
+++ b/var/spack/repos/builtin/packages/py-openpmd-validator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-openpyxl/package.py b/var/spack/repos/builtin/packages/py-openpyxl/package.py
index 6b0bd0811da44dcdd7760daece178facad143c6e..b61118426eb62745b2a8381d50e092bd9093e0ca 100644
--- a/var/spack/repos/builtin/packages/py-openpyxl/package.py
+++ b/var/spack/repos/builtin/packages/py-openpyxl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-openslide-python/package.py b/var/spack/repos/builtin/packages/py-openslide-python/package.py
index 22ee356fe57c74376f0ccabe045c4a26d2561667..5fcefccc7d9f3c63b2a442aea2d0037ffb08b514 100644
--- a/var/spack/repos/builtin/packages/py-openslide-python/package.py
+++ b/var/spack/repos/builtin/packages/py-openslide-python/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-opentuner/package.py b/var/spack/repos/builtin/packages/py-opentuner/package.py
index 141fa1243a0fc9658fa82ce4a8396abe13124065..77071a7c0d1a6d192bf5b160d014f19924a91f16 100644
--- a/var/spack/repos/builtin/packages/py-opentuner/package.py
+++ b/var/spack/repos/builtin/packages/py-opentuner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ordereddict/package.py b/var/spack/repos/builtin/packages/py-ordereddict/package.py
index eecfc93301c5ad4153f0ce71ada6b02036712af1..6167607cc727dee37603386e4b2215398eeb128f 100644
--- a/var/spack/repos/builtin/packages/py-ordereddict/package.py
+++ b/var/spack/repos/builtin/packages/py-ordereddict/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-oset/package.py b/var/spack/repos/builtin/packages/py-oset/package.py
index 0b14bd342717de8f6cf25b91fc5a2a3388245d92..808f785eb44fcaec1c3b9f491c23dc2af26b08c0 100644
--- a/var/spack/repos/builtin/packages/py-oset/package.py
+++ b/var/spack/repos/builtin/packages/py-oset/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-owslib/package.py b/var/spack/repos/builtin/packages/py-owslib/package.py
index d4e70e1444d32d24f0d3315f350e3d757aca70d9..dfb2372d8f0487e6e2d65df60fda9472c84c6a85 100644
--- a/var/spack/repos/builtin/packages/py-owslib/package.py
+++ b/var/spack/repos/builtin/packages/py-owslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-packaging/package.py b/var/spack/repos/builtin/packages/py-packaging/package.py
index 46fbd13e711e2a50b628cfab59d1befd00c20600..71253f1689b9fc0cc335c51ec618d98401ec1368 100644
--- a/var/spack/repos/builtin/packages/py-packaging/package.py
+++ b/var/spack/repos/builtin/packages/py-packaging/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-palettable/package.py b/var/spack/repos/builtin/packages/py-palettable/package.py
index d20c83f78d9b4576959a3c484c4c12b7cb91d3c0..9bef93215688579c78976c869dc3d4dc94aee60b 100644
--- a/var/spack/repos/builtin/packages/py-palettable/package.py
+++ b/var/spack/repos/builtin/packages/py-palettable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pandas/package.py b/var/spack/repos/builtin/packages/py-pandas/package.py
index ff7cc2eeca6974ebc15c1dd306a2464a3224739c..3267ec1cd6110185c263bfe9aa9f9719b5017906 100644
--- a/var/spack/repos/builtin/packages/py-pandas/package.py
+++ b/var/spack/repos/builtin/packages/py-pandas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-paramiko/package.py b/var/spack/repos/builtin/packages/py-paramiko/package.py
index 227b4037fe603e7bfde64736182b69adbbe3e071..e0650560f058c8d8a15274395409fffe67d67255 100644
--- a/var/spack/repos/builtin/packages/py-paramiko/package.py
+++ b/var/spack/repos/builtin/packages/py-paramiko/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-partd/package.py b/var/spack/repos/builtin/packages/py-partd/package.py
index f80537c7fa683a45db3348328eafeca7e251cf7a..425b5566d7b43d37f6c0861060f9924db9946ff5 100644
--- a/var/spack/repos/builtin/packages/py-partd/package.py
+++ b/var/spack/repos/builtin/packages/py-partd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pathlib2/package.py b/var/spack/repos/builtin/packages/py-pathlib2/package.py
index 0e3975c140d104470c3d8ddc73d53875a036320a..e8dfd995aad2b36430484f1d55c88408c5f16b9f 100644
--- a/var/spack/repos/builtin/packages/py-pathlib2/package.py
+++ b/var/spack/repos/builtin/packages/py-pathlib2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pathos/package.py b/var/spack/repos/builtin/packages/py-pathos/package.py
index 2905e7f904ceba05a6fa04e0087695d7f673ab69..5c713c3e0b59a957107be126a6648e15d209df59 100644
--- a/var/spack/repos/builtin/packages/py-pathos/package.py
+++ b/var/spack/repos/builtin/packages/py-pathos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pathspec/package.py b/var/spack/repos/builtin/packages/py-pathspec/package.py
index e43323b5acf3559034a9ebbcc165872eb3d9f949..8320b653f0c93ea47d754226b89bfc9c52098940 100644
--- a/var/spack/repos/builtin/packages/py-pathspec/package.py
+++ b/var/spack/repos/builtin/packages/py-pathspec/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-patsy/package.py b/var/spack/repos/builtin/packages/py-patsy/package.py
index c760fdb40ba574ef4290d9d43dc703b1925f1202..44882fed93dc67cc89218739d3d4236131fbb130 100644
--- a/var/spack/repos/builtin/packages/py-patsy/package.py
+++ b/var/spack/repos/builtin/packages/py-patsy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pbr/package.py b/var/spack/repos/builtin/packages/py-pbr/package.py
index 583c23a9558ae33281e4cf5279e6096776a40c11..edb79072c311535922626d9d3c95124deb350828 100644
--- a/var/spack/repos/builtin/packages/py-pbr/package.py
+++ b/var/spack/repos/builtin/packages/py-pbr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pep8-naming/package.py b/var/spack/repos/builtin/packages/py-pep8-naming/package.py
index 6f6e16f9095aa1e248daf7afbede9b5de3c8c752..796e18a18fb4ba755b56b87c28ee52a20b53b6be 100644
--- a/var/spack/repos/builtin/packages/py-pep8-naming/package.py
+++ b/var/spack/repos/builtin/packages/py-pep8-naming/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-perf/package.py b/var/spack/repos/builtin/packages/py-perf/package.py
index 749bde1c949e8cefe31bf5ddaeeb9f3463f5c30c..4925611f0246c7a4cf03f430cf5aee59829a031a 100644
--- a/var/spack/repos/builtin/packages/py-perf/package.py
+++ b/var/spack/repos/builtin/packages/py-perf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-performance/package.py b/var/spack/repos/builtin/packages/py-performance/package.py
index 1cdd2dde658d635cfc8794ead3a0ea06516a924e..445c365025440866f62cdd22cf11c7b927fee2f9 100644
--- a/var/spack/repos/builtin/packages/py-performance/package.py
+++ b/var/spack/repos/builtin/packages/py-performance/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-periodictable/package.py b/var/spack/repos/builtin/packages/py-periodictable/package.py
index ffc51128a56f0525e87269914d6dad03c7f4b296..0d51387392ff039781bddffbd5079f90d7d065d1 100644
--- a/var/spack/repos/builtin/packages/py-periodictable/package.py
+++ b/var/spack/repos/builtin/packages/py-periodictable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-petsc4py/package.py b/var/spack/repos/builtin/packages/py-petsc4py/package.py
index 53bf5fc3b004c89f07fe2200e2fbcc8722b16ca8..4e4d00f139a7805719c3ecdb93b778f6195d587d 100644
--- a/var/spack/repos/builtin/packages/py-petsc4py/package.py
+++ b/var/spack/repos/builtin/packages/py-petsc4py/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pexpect/package.py b/var/spack/repos/builtin/packages/py-pexpect/package.py
index 9019be44ea4b5e77dd92cac40920cd6120e9c554..85ed20ac812a97ec65b386eaeae031607530002f 100644
--- a/var/spack/repos/builtin/packages/py-pexpect/package.py
+++ b/var/spack/repos/builtin/packages/py-pexpect/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-phonopy/package.py b/var/spack/repos/builtin/packages/py-phonopy/package.py
index be91d8f9f082ddaffa4be097c5bcd6019a4dd199..0e939406a689c1ba524c6ce0923d81320a7dc582 100644
--- a/var/spack/repos/builtin/packages/py-phonopy/package.py
+++ b/var/spack/repos/builtin/packages/py-phonopy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pickleshare/package.py b/var/spack/repos/builtin/packages/py-pickleshare/package.py
index 58baa004e8e6ece3f87e7812094b10586ca6286b..c2b61fb28d546b9c2a998dca747ca510f4386b91 100644
--- a/var/spack/repos/builtin/packages/py-pickleshare/package.py
+++ b/var/spack/repos/builtin/packages/py-pickleshare/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-picrust/package.py b/var/spack/repos/builtin/packages/py-picrust/package.py
index 05c17edafe3786a24e9218aec7ed7f74979dfd66..347f19944134296ca29f56da16fd7c2409209dee 100644
--- a/var/spack/repos/builtin/packages/py-picrust/package.py
+++ b/var/spack/repos/builtin/packages/py-picrust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pil/package.py b/var/spack/repos/builtin/packages/py-pil/package.py
index 23f24c4883e012b04cc2345d2dc0cf60ec25525d..4bbecf9a47a61fc0cba4dcb50b96e92944c2bac4 100644
--- a/var/spack/repos/builtin/packages/py-pil/package.py
+++ b/var/spack/repos/builtin/packages/py-pil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pillow/package.py b/var/spack/repos/builtin/packages/py-pillow/package.py
index 71c8989918644b87bf0a1d7c004b5e81eeb24d86..2bce1999408ee9229f12544d626ba5b589d76ebe 100644
--- a/var/spack/repos/builtin/packages/py-pillow/package.py
+++ b/var/spack/repos/builtin/packages/py-pillow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/py-pip/package.py b/var/spack/repos/builtin/packages/py-pip/package.py
index 1f41badf756a77da6ddd58d8fdf236a7b233dca3..def321c22934ecff09714407d6020a18d1093ae6 100644
--- a/var/spack/repos/builtin/packages/py-pip/package.py
+++ b/var/spack/repos/builtin/packages/py-pip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pipits/package.py b/var/spack/repos/builtin/packages/py-pipits/package.py
index 651521a399fa8b72f8932138967805d7c6745af9..beef939772db6865b7da4f66bdd38183ee8675f8 100644
--- a/var/spack/repos/builtin/packages/py-pipits/package.py
+++ b/var/spack/repos/builtin/packages/py-pipits/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pkgconfig/package.py b/var/spack/repos/builtin/packages/py-pkgconfig/package.py
index 6250006f6a220befbada9d4ab310e88fdba97190..ccab4d8cad6301177dadf2d9ec8eeb81ed7df423 100644
--- a/var/spack/repos/builtin/packages/py-pkgconfig/package.py
+++ b/var/spack/repos/builtin/packages/py-pkgconfig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-plotly/package.py b/var/spack/repos/builtin/packages/py-plotly/package.py
index 0bdb43fb59b745bd31abac93b18f337579006963..6ad7a68a7e4381fc07dbf0d93d16454105e61b2d 100644
--- a/var/spack/repos/builtin/packages/py-plotly/package.py
+++ b/var/spack/repos/builtin/packages/py-plotly/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pluggy/package.py b/var/spack/repos/builtin/packages/py-pluggy/package.py
index 5a51db0f50b84503a657b96cf185eb072b89bf9c..62e50a6710fe40fcfda1ae5e01203624ce648444 100644
--- a/var/spack/repos/builtin/packages/py-pluggy/package.py
+++ b/var/spack/repos/builtin/packages/py-pluggy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ply/package.py b/var/spack/repos/builtin/packages/py-ply/package.py
index 6486dc7af4638a3cf21fe768ac4e282690e73ebb..38d81ee10ddbbced3edaa77d48886839239d6d92 100644
--- a/var/spack/repos/builtin/packages/py-ply/package.py
+++ b/var/spack/repos/builtin/packages/py-ply/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pmw/package.py b/var/spack/repos/builtin/packages/py-pmw/package.py
index 7043de71ebc27bf26f8dae8807400ddb55f3c40d..f2f775ced7401343e3595dc358c6bcb1d4f08489 100644
--- a/var/spack/repos/builtin/packages/py-pmw/package.py
+++ b/var/spack/repos/builtin/packages/py-pmw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-poster/package.py b/var/spack/repos/builtin/packages/py-poster/package.py
index 100f11fe3374a3bbfa94c2c596d58fe3e485bea3..dc1a569dc6b6a49c416a9c9fd0ee783432184fbd 100644
--- a/var/spack/repos/builtin/packages/py-poster/package.py
+++ b/var/spack/repos/builtin/packages/py-poster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pox/package.py b/var/spack/repos/builtin/packages/py-pox/package.py
index 9c7ef8496ea34bf12bc5024e7ed2fa7fea6a39cd..cf4471c461330660df414582fbd1e798c2801910 100644
--- a/var/spack/repos/builtin/packages/py-pox/package.py
+++ b/var/spack/repos/builtin/packages/py-pox/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ppft/package.py b/var/spack/repos/builtin/packages/py-ppft/package.py
index b6f65bbdee00338deceba6ff8a2114b44063e505..eff3559e358574fb77690fdedccbbf0fe40a1079 100644
--- a/var/spack/repos/builtin/packages/py-ppft/package.py
+++ b/var/spack/repos/builtin/packages/py-ppft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-prettytable/package.py b/var/spack/repos/builtin/packages/py-prettytable/package.py
index 9b7b44663ee81b8c22449f39bda3625f3957af66..1ebc32887d40526ea84921998b3bbeb79f16061f 100644
--- a/var/spack/repos/builtin/packages/py-prettytable/package.py
+++ b/var/spack/repos/builtin/packages/py-prettytable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-progress/package.py b/var/spack/repos/builtin/packages/py-progress/package.py
index 9a5da815454f2f4e79d37013de5bc457cebf5187..bf5697e4d9b961c23b93de4bbc8c3b78d6426c82 100644
--- a/var/spack/repos/builtin/packages/py-progress/package.py
+++ b/var/spack/repos/builtin/packages/py-progress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-proj/package.py b/var/spack/repos/builtin/packages/py-proj/package.py
index 60a09f3af0d7c98e70a028159a5c85de1ad141c7..554b404742703681bf5342b43aa38deb30531629 100644
--- a/var/spack/repos/builtin/packages/py-proj/package.py
+++ b/var/spack/repos/builtin/packages/py-proj/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-projectq/package.py b/var/spack/repos/builtin/packages/py-projectq/package.py
index 690b8d958ebb4576434fc61d278e57851ecdb260..d322bbb4e14e5570aafb0604d230302f65ccf46d 100644
--- a/var/spack/repos/builtin/packages/py-projectq/package.py
+++ b/var/spack/repos/builtin/packages/py-projectq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-prompt-toolkit/package.py b/var/spack/repos/builtin/packages/py-prompt-toolkit/package.py
index 6f4432f386bbb6e267d2bda9cec332cc4e019c39..99e32ed7826ec0fce8319a10415872d3c6d39001 100644
--- a/var/spack/repos/builtin/packages/py-prompt-toolkit/package.py
+++ b/var/spack/repos/builtin/packages/py-prompt-toolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-protobuf/package.py b/var/spack/repos/builtin/packages/py-protobuf/package.py
index 9353cc59251bb3695bcc9d07f1dfef632ec33369..1b8e99ddfd688ab168254ae85bcf0a733bc53216 100644
--- a/var/spack/repos/builtin/packages/py-protobuf/package.py
+++ b/var/spack/repos/builtin/packages/py-protobuf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-psutil/package.py b/var/spack/repos/builtin/packages/py-psutil/package.py
index d6cc11ae4bef08fe31715e4330bf7c2948f5d4f0..2888c109bd674c23f2400f039cfa0a25c6421bed 100644
--- a/var/spack/repos/builtin/packages/py-psutil/package.py
+++ b/var/spack/repos/builtin/packages/py-psutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-psyclone/package.py b/var/spack/repos/builtin/packages/py-psyclone/package.py
index e991296bd7c3576bf933c347bc3228ac19da1f65..218dedf9bf2df2bb2a1513fa6213c6e6e7a8d4b6 100644
--- a/var/spack/repos/builtin/packages/py-psyclone/package.py
+++ b/var/spack/repos/builtin/packages/py-psyclone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-ptyprocess/package.py b/var/spack/repos/builtin/packages/py-ptyprocess/package.py
index 352cfddb8ce9541f8c66563f5905fbc63a7980d9..cef35e31156c4343bb18ab9a8d5fa100f8ec88e7 100644
--- a/var/spack/repos/builtin/packages/py-ptyprocess/package.py
+++ b/var/spack/repos/builtin/packages/py-ptyprocess/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pudb/package.py b/var/spack/repos/builtin/packages/py-pudb/package.py
index b14e15d75b2bafbf4c2b89697597ce27f2b4e6a6..f37904194f944d9cc8a63cea417d6d664ab4b6d2 100644
--- a/var/spack/repos/builtin/packages/py-pudb/package.py
+++ b/var/spack/repos/builtin/packages/py-pudb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-py/package.py b/var/spack/repos/builtin/packages/py-py/package.py
index ad6f2536496d357ba6df8008aa761d6bffce43f1..51efc6ceae18733aa605c2a9c8fefbb0fe2fd023 100644
--- a/var/spack/repos/builtin/packages/py-py/package.py
+++ b/var/spack/repos/builtin/packages/py-py/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-py2bit/package.py b/var/spack/repos/builtin/packages/py-py2bit/package.py
index 706c6c911f30be163900a953d8593e8c793cf3d5..2bb90a37a787c5f75d57041c7ffbce356188b033 100644
--- a/var/spack/repos/builtin/packages/py-py2bit/package.py
+++ b/var/spack/repos/builtin/packages/py-py2bit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-py2cairo/package.py b/var/spack/repos/builtin/packages/py-py2cairo/package.py
index a990bbaeb5a12127ec6242aa041e370d3b93e4b1..13975addd2718e65c3b71707b722111a3efc4d3e 100644
--- a/var/spack/repos/builtin/packages/py-py2cairo/package.py
+++ b/var/spack/repos/builtin/packages/py-py2cairo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-py2neo/package.py b/var/spack/repos/builtin/packages/py-py2neo/package.py
index 51a86f12a88acf8830ddda6d25aee8b45a6137bb..9ecc72d3ce35eb683647823a2cb99141d137f773 100644
--- a/var/spack/repos/builtin/packages/py-py2neo/package.py
+++ b/var/spack/repos/builtin/packages/py-py2neo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-py4j/package.py b/var/spack/repos/builtin/packages/py-py4j/package.py
index c8303af72d1f1b6c67cebfcf078ade914208b4ff..c369fd3d98732931ef59fa391b6f57d4c8653f39 100644
--- a/var/spack/repos/builtin/packages/py-py4j/package.py
+++ b/var/spack/repos/builtin/packages/py-py4j/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyani/package.py b/var/spack/repos/builtin/packages/py-pyani/package.py
index c1aca44c31d1e5c4dc7cdcea0072e577517fe759..b17125eddb6a77874d094b89a2fb8af7998b741b 100644
--- a/var/spack/repos/builtin/packages/py-pyani/package.py
+++ b/var/spack/repos/builtin/packages/py-pyani/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyasn1/package.py b/var/spack/repos/builtin/packages/py-pyasn1/package.py
index adc8aa19f5a51bd17a6d2a1fad54cddf0e3fb6ae..e2bdf80d26289a564b225f13d98dcfdbedb53a3e 100644
--- a/var/spack/repos/builtin/packages/py-pyasn1/package.py
+++ b/var/spack/repos/builtin/packages/py-pyasn1/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-pybigwig/package.py b/var/spack/repos/builtin/packages/py-pybigwig/package.py
index b3fe30bfb9deeab51dd696b840d092ee4dacbe03..b0b33b76d48f2a31d740a3aeab91863ca4a2fd9d 100644
--- a/var/spack/repos/builtin/packages/py-pybigwig/package.py
+++ b/var/spack/repos/builtin/packages/py-pybigwig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pybind11/package.py b/var/spack/repos/builtin/packages/py-pybind11/package.py
index 7d50bba051a03abcf9f889fc7de4c884dccbda16..b6e31181187fde5ef7829acb988263b9acb35897 100644
--- a/var/spack/repos/builtin/packages/py-pybind11/package.py
+++ b/var/spack/repos/builtin/packages/py-pybind11/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pybtex-docutils/package.py b/var/spack/repos/builtin/packages/py-pybtex-docutils/package.py
index 3656dfc0af9f99ba277064e9256be342ef595bf5..fa46889631c8b33e18026ce05357d13aac2ddc3d 100644
--- a/var/spack/repos/builtin/packages/py-pybtex-docutils/package.py
+++ b/var/spack/repos/builtin/packages/py-pybtex-docutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pybtex/package.py b/var/spack/repos/builtin/packages/py-pybtex/package.py
index 02c6d492220e5bef7e489eef4977cdebc78a230b..fd0bac735a412ff96ead081dff2348b371db74b0 100644
--- a/var/spack/repos/builtin/packages/py-pybtex/package.py
+++ b/var/spack/repos/builtin/packages/py-pybtex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-pycairo/package.py b/var/spack/repos/builtin/packages/py-pycairo/package.py
index 1a0885b6e30a47fb88f875f092d1c34077ffee6d..607981a060312641062511ac8256ead411b8afe2 100644
--- a/var/spack/repos/builtin/packages/py-pycairo/package.py
+++ b/var/spack/repos/builtin/packages/py-pycairo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/py-pychecker/package.py b/var/spack/repos/builtin/packages/py-pychecker/package.py
index 5d691d8a383c775b0afcde2a51c36facdbf18c25..49f4b39f86015028992bb0d3bf60cf2672a7d086 100644
--- a/var/spack/repos/builtin/packages/py-pychecker/package.py
+++ b/var/spack/repos/builtin/packages/py-pychecker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pycodestyle/package.py b/var/spack/repos/builtin/packages/py-pycodestyle/package.py
index 273c6c50cc877cee464ab5c8c7599c182f0e304d..10f97547c51dc593e63c04a7f502b6ff4acef659 100644
--- a/var/spack/repos/builtin/packages/py-pycodestyle/package.py
+++ b/var/spack/repos/builtin/packages/py-pycodestyle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pycparser/package.py b/var/spack/repos/builtin/packages/py-pycparser/package.py
index ca4aa8278822f16fdb7005f92d44c4191c37d530..3fa5a0acb3f469189adeb962759d86c9c80422c7 100644
--- a/var/spack/repos/builtin/packages/py-pycparser/package.py
+++ b/var/spack/repos/builtin/packages/py-pycparser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pycrypto/package.py b/var/spack/repos/builtin/packages/py-pycrypto/package.py
index 4a25de8e8ea7098f7e8916d2323630e14bb39f6e..9bacd5b4ba74f880c7968b94162704014b845ead 100644
--- a/var/spack/repos/builtin/packages/py-pycrypto/package.py
+++ b/var/spack/repos/builtin/packages/py-pycrypto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-pycurl/package.py b/var/spack/repos/builtin/packages/py-pycurl/package.py
index 05912b7aab4eb33da513b5524c07cdcc9539d1f0..85074d634196b13d7c411f22c8ae4d34c0f39727 100644
--- a/var/spack/repos/builtin/packages/py-pycurl/package.py
+++ b/var/spack/repos/builtin/packages/py-pycurl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pydatalog/package.py b/var/spack/repos/builtin/packages/py-pydatalog/package.py
index eaee1c1b9a7165434c18873b2aadf803dba62870..cbcedc385f6d07d16d0e303a9a20a3e5adffe3ae 100644
--- a/var/spack/repos/builtin/packages/py-pydatalog/package.py
+++ b/var/spack/repos/builtin/packages/py-pydatalog/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pydispatcher/package.py b/var/spack/repos/builtin/packages/py-pydispatcher/package.py
index 1f389630afe04c294049f83cd3a36f899d3f934c..89efd4f4636027ef7c4236d07c989c7a265a85b1 100644
--- a/var/spack/repos/builtin/packages/py-pydispatcher/package.py
+++ b/var/spack/repos/builtin/packages/py-pydispatcher/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pydot/package.py b/var/spack/repos/builtin/packages/py-pydot/package.py
index 416b761a90c618ce65e8ad44e7269ae455226fd9..ed941e951328eb945752302a6720f9a92f9b5d91 100644
--- a/var/spack/repos/builtin/packages/py-pydot/package.py
+++ b/var/spack/repos/builtin/packages/py-pydot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyelftools/package.py b/var/spack/repos/builtin/packages/py-pyelftools/package.py
index e941b6756fa98a989fa4a89031940a58f0681c1f..632ee379171eb7585d377c252e706a35e285cde4 100644
--- a/var/spack/repos/builtin/packages/py-pyelftools/package.py
+++ b/var/spack/repos/builtin/packages/py-pyelftools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyepsg/package.py b/var/spack/repos/builtin/packages/py-pyepsg/package.py
index b91f1671cefe525c57c27ac364741914cb89ddf9..4771e56d4b8d850f5811b034aa99d8a7ca474ad3 100644
--- a/var/spack/repos/builtin/packages/py-pyepsg/package.py
+++ b/var/spack/repos/builtin/packages/py-pyepsg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyfasta/package.py b/var/spack/repos/builtin/packages/py-pyfasta/package.py
index 32e9067d04b7d06e72a05a7c9ce05dd15957044f..ba0a69838a5594f96ce0a200018bc2c8fddb6563 100644
--- a/var/spack/repos/builtin/packages/py-pyfasta/package.py
+++ b/var/spack/repos/builtin/packages/py-pyfasta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyfftw/package.py b/var/spack/repos/builtin/packages/py-pyfftw/package.py
index 2894d482fc957e5a080d4528657290bc79c174de..78a76f9a5d0d618348df7b606fa1a962b8cc7cca 100644
--- a/var/spack/repos/builtin/packages/py-pyfftw/package.py
+++ b/var/spack/repos/builtin/packages/py-pyfftw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyflakes/package.py b/var/spack/repos/builtin/packages/py-pyflakes/package.py
index 6ccf38b29ac71c30623fb8b66bf4d44dd5a5acc6..08c1229b7e089b397acf61459f6deb5083f0eb58 100644
--- a/var/spack/repos/builtin/packages/py-pyflakes/package.py
+++ b/var/spack/repos/builtin/packages/py-pyflakes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pygdbmi/package.py b/var/spack/repos/builtin/packages/py-pygdbmi/package.py
index 059554974cafee44180ed880d2d248817eb67d63..f8198015f80d1cc74d0c1e193cd43ca30ea81166 100644
--- a/var/spack/repos/builtin/packages/py-pygdbmi/package.py
+++ b/var/spack/repos/builtin/packages/py-pygdbmi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pygments/package.py b/var/spack/repos/builtin/packages/py-pygments/package.py
index b3e3d2e68180de9835e844904a3e12b2d34bcb86..1909a2da11eeee9c96f5a8bdc90fdb080f5322b1 100644
--- a/var/spack/repos/builtin/packages/py-pygments/package.py
+++ b/var/spack/repos/builtin/packages/py-pygments/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pygobject/package.py b/var/spack/repos/builtin/packages/py-pygobject/package.py
index 192a215bdbac25384bc0d3bc033da55daa04a766..1dd08a30d06b43062f6d76de635c684e4abb6271 100644
--- a/var/spack/repos/builtin/packages/py-pygobject/package.py
+++ b/var/spack/repos/builtin/packages/py-pygobject/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pygpu/package.py b/var/spack/repos/builtin/packages/py-pygpu/package.py
index b3ef4c59da2548e503cf8b664e127fc85bc943e8..f5838c740b2065c946f6b7a390004d93768723b2 100644
--- a/var/spack/repos/builtin/packages/py-pygpu/package.py
+++ b/var/spack/repos/builtin/packages/py-pygpu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pygtk/package.py b/var/spack/repos/builtin/packages/py-pygtk/package.py
index 4315c03e5fac5973dbf7d16fc283a05572e0d5f9..28b2cacd27d67d76edfe0273823257b36c050444 100644
--- a/var/spack/repos/builtin/packages/py-pygtk/package.py
+++ b/var/spack/repos/builtin/packages/py-pygtk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pylint/package.py b/var/spack/repos/builtin/packages/py-pylint/package.py
index 0a5ab5b67693872123570f3a32f983c8d676cf84..404767e90913d04f533b038a3f2a022e4bc80773 100644
--- a/var/spack/repos/builtin/packages/py-pylint/package.py
+++ b/var/spack/repos/builtin/packages/py-pylint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pymatgen/package.py b/var/spack/repos/builtin/packages/py-pymatgen/package.py
index 142482fb1dbb7f52538ac99a7a5f68c6b6b30e2b..65c43370837a66f9dde7e8548915b05fb3e8603b 100644
--- a/var/spack/repos/builtin/packages/py-pymatgen/package.py
+++ b/var/spack/repos/builtin/packages/py-pymatgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyminifier/package.py b/var/spack/repos/builtin/packages/py-pyminifier/package.py
index 50ae1cc062b1a548bde5a9336c1c381500ce4c1c..4da150f949074fb843ee1cdef26e10e6bab15f69 100644
--- a/var/spack/repos/builtin/packages/py-pyminifier/package.py
+++ b/var/spack/repos/builtin/packages/py-pyminifier/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pymol/package.py b/var/spack/repos/builtin/packages/py-pymol/package.py
index 5ba09f1bc9928ad48dc9399602fc92ab157f8e8a..1a232474999105219aa176469c0b195673622c99 100644
--- a/var/spack/repos/builtin/packages/py-pymol/package.py
+++ b/var/spack/repos/builtin/packages/py-pymol/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pympler/package.py b/var/spack/repos/builtin/packages/py-pympler/package.py
index 555b9740959783625527c2fa840c1b5720dd2a0c..7498f9e32e6f7e655f56323b1881b675f38051f7 100644
--- a/var/spack/repos/builtin/packages/py-pympler/package.py
+++ b/var/spack/repos/builtin/packages/py-pympler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pymysql/package.py b/var/spack/repos/builtin/packages/py-pymysql/package.py
index 6e47c1eb359b5397ff681d803893ee12e9df8a9f..22346c4dd08f8de813135fcfb10d6f82c2069e24 100644
--- a/var/spack/repos/builtin/packages/py-pymysql/package.py
+++ b/var/spack/repos/builtin/packages/py-pymysql/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pynn/package.py b/var/spack/repos/builtin/packages/py-pynn/package.py
index 51947b8e501c504bfe5e3f89b942d6985ac4001c..a91adb259c82d94c35a138975908b9cacc6eede0 100644
--- a/var/spack/repos/builtin/packages/py-pynn/package.py
+++ b/var/spack/repos/builtin/packages/py-pynn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pypar/package.py b/var/spack/repos/builtin/packages/py-pypar/package.py
index 1fba9e0dfe4c7cb988c9a55a2d7aab1fd1e48d9c..28fcada1fc3d96d400955bf8cda02787b7a94142 100644
--- a/var/spack/repos/builtin/packages/py-pypar/package.py
+++ b/var/spack/repos/builtin/packages/py-pypar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyparsing/package.py b/var/spack/repos/builtin/packages/py-pyparsing/package.py
index 90c3fc05a15e8f06c139f799caa8361918703234..48626a37e47d8fac074c567af61f259bd05f0255 100644
--- a/var/spack/repos/builtin/packages/py-pyparsing/package.py
+++ b/var/spack/repos/builtin/packages/py-pyparsing/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pypeflow/package.py b/var/spack/repos/builtin/packages/py-pypeflow/package.py
index 6788e502f128f1531f6e699ad96d6c28c9528f08..d4abb9f3307694d4c1bad3e95dc4266a3dfd2b06 100644
--- a/var/spack/repos/builtin/packages/py-pypeflow/package.py
+++ b/var/spack/repos/builtin/packages/py-pypeflow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyprof2html/package.py b/var/spack/repos/builtin/packages/py-pyprof2html/package.py
index a840d1dd96ce2598cccb26c44995e84af70785e3..275b52aa07689c7f83cd8c87178ac1a769456979 100644
--- a/var/spack/repos/builtin/packages/py-pyprof2html/package.py
+++ b/var/spack/repos/builtin/packages/py-pyprof2html/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyqi/package.py b/var/spack/repos/builtin/packages/py-pyqi/package.py
index 43b4c791d375c52e3a23a87410fc50a3315b0f5b..21fecdec1934a5b9f95e8923da64cf318e0c30c9 100644
--- a/var/spack/repos/builtin/packages/py-pyqi/package.py
+++ b/var/spack/repos/builtin/packages/py-pyqi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyqt/package.py b/var/spack/repos/builtin/packages/py-pyqt/package.py
index fc790f9296f9d364bb47e2d676c831a99caeb04c..ce700d18bd8d36339e73837433ea1ba3e1f950e7 100644
--- a/var/spack/repos/builtin/packages/py-pyqt/package.py
+++ b/var/spack/repos/builtin/packages/py-pyqt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyrad/package.py b/var/spack/repos/builtin/packages/py-pyrad/package.py
index 8a40a34454813262572c1f398d258569d338416b..de0a0829305b91559b6012b16d1ca58f130924d8 100644
--- a/var/spack/repos/builtin/packages/py-pyrad/package.py
+++ b/var/spack/repos/builtin/packages/py-pyrad/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pysam/package.py b/var/spack/repos/builtin/packages/py-pysam/package.py
index 945855947bba0f50d79421741f7ac5596bb15d65..513a41f7788eaa810b3607170d2515f8286629e2 100644
--- a/var/spack/repos/builtin/packages/py-pysam/package.py
+++ b/var/spack/repos/builtin/packages/py-pysam/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyscaf/package.py b/var/spack/repos/builtin/packages/py-pyscaf/package.py
index b79e992e8b1a83f3e42a2df632d229c17d270258..508de86ad95c63c2abe097f3eeee535bc6f33a69 100644
--- a/var/spack/repos/builtin/packages/py-pyscaf/package.py
+++ b/var/spack/repos/builtin/packages/py-pyscaf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyserial/package.py b/var/spack/repos/builtin/packages/py-pyserial/package.py
index 289e87712b493d1cbd0867d91392476d19da9d69..cb747c2e2705fcdf4ee5b27f52382da47287ff21 100644
--- a/var/spack/repos/builtin/packages/py-pyserial/package.py
+++ b/var/spack/repos/builtin/packages/py-pyserial/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyshp/package.py b/var/spack/repos/builtin/packages/py-pyshp/package.py
index 7c4b7b5adae42a50f7915a3459a6d8b69651963e..f416310fbabfd61b0e6f6bc55d2c0ee7d1f53d03 100644
--- a/var/spack/repos/builtin/packages/py-pyshp/package.py
+++ b/var/spack/repos/builtin/packages/py-pyshp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyside/package.py b/var/spack/repos/builtin/packages/py-pyside/package.py
index 0d7fae82713e11494fe3ed5b8f85b79d22641ab7..dc728bff7772f8220a06531bf9cc15e61cd3a38b 100644
--- a/var/spack/repos/builtin/packages/py-pyside/package.py
+++ b/var/spack/repos/builtin/packages/py-pyside/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/py-pysocks/package.py b/var/spack/repos/builtin/packages/py-pysocks/package.py
index 38bd439deaec918fcd8e44ed6838fb54381c056e..83661d93b09e2540c66a1d92a2a87b45e1d8f7f6 100644
--- a/var/spack/repos/builtin/packages/py-pysocks/package.py
+++ b/var/spack/repos/builtin/packages/py-pysocks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyspark/package.py b/var/spack/repos/builtin/packages/py-pyspark/package.py
index 1107877a9851c46e64478489f404eda3f5307f47..126de2af413934b3655261fd5d45f37eee198f70 100644
--- a/var/spack/repos/builtin/packages/py-pyspark/package.py
+++ b/var/spack/repos/builtin/packages/py-pyspark/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pysqlite/package.py b/var/spack/repos/builtin/packages/py-pysqlite/package.py
index c12b378a2f263b135adb32c52df4082156cc3f13..0f69acc3bf3276e220632d23026701efaae1b113 100644
--- a/var/spack/repos/builtin/packages/py-pysqlite/package.py
+++ b/var/spack/repos/builtin/packages/py-pysqlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytables/package.py b/var/spack/repos/builtin/packages/py-pytables/package.py
index cbef3ec8f585d2e9dd720acc5441d5ab820929de..96033237b019d7d20dadbe0b91a97802f0186257 100644
--- a/var/spack/repos/builtin/packages/py-pytables/package.py
+++ b/var/spack/repos/builtin/packages/py-pytables/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest-cov/package.py b/var/spack/repos/builtin/packages/py-pytest-cov/package.py
index f22c6ffc9a35cfcc427a738b8daa54c0de3cb528..949696d3f415236b96886eda8791d4677025a060 100644
--- a/var/spack/repos/builtin/packages/py-pytest-cov/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest-cov/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest-flake8/package.py b/var/spack/repos/builtin/packages/py-pytest-flake8/package.py
index f5e60de76f420b0c946c01371d9690eb0c165fd7..06066572ecfe922e857f13601396f4d329b6a022 100644
--- a/var/spack/repos/builtin/packages/py-pytest-flake8/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest-flake8/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest-httpbin/package.py b/var/spack/repos/builtin/packages/py-pytest-httpbin/package.py
index 84a1be226c1cdfdc1513be4b8a1fdad520a96c09..0782f761d4128406d7535e314aecc970a9d3920b 100644
--- a/var/spack/repos/builtin/packages/py-pytest-httpbin/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest-httpbin/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest-mock/package.py b/var/spack/repos/builtin/packages/py-pytest-mock/package.py
index cae573c1843bc98969e3a21d85ba8f5f0011f43b..d574f6ae84b6fb2a4015a223ff864a89a9617bd8 100644
--- a/var/spack/repos/builtin/packages/py-pytest-mock/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest-mock/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest-runner/package.py b/var/spack/repos/builtin/packages/py-pytest-runner/package.py
index 2bd23df50d42f345c2d3537a765cc70572f46373..037ec724aea3b68e0e27d2064203158e703f2ef6 100644
--- a/var/spack/repos/builtin/packages/py-pytest-runner/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest-runner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest-xdist/package.py b/var/spack/repos/builtin/packages/py-pytest-xdist/package.py
index e91952899b6501fd24a9c5f70e3d027b3f33ccc7..ad3c77c7ef4cbc793a68ef456b3a8bc21fa3a88b 100644
--- a/var/spack/repos/builtin/packages/py-pytest-xdist/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest-xdist/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytest/package.py b/var/spack/repos/builtin/packages/py-pytest/package.py
index 90eab3738b3115675bb977896a8d9e9d4b28e21e..7e6c6f555c06a62e8ac2281bd8891c9f0f337832 100644
--- a/var/spack/repos/builtin/packages/py-pytest/package.py
+++ b/var/spack/repos/builtin/packages/py-pytest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-python-daemon/package.py b/var/spack/repos/builtin/packages/py-python-daemon/package.py
index 3ef87e72fb14b7c28fad9cc9a0026ccb752933bd..8fd6e38464d1dce9feb9a178c3b488bc974d14c1 100644
--- a/var/spack/repos/builtin/packages/py-python-daemon/package.py
+++ b/var/spack/repos/builtin/packages/py-python-daemon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-python-engineio/package.py b/var/spack/repos/builtin/packages/py-python-engineio/package.py
index 85c1d8eafcd8e1e71ce3cb36411c5faf0747bfc5..27735cb1ad5e802ad6b215563ec8fb33796b0d35 100644
--- a/var/spack/repos/builtin/packages/py-python-engineio/package.py
+++ b/var/spack/repos/builtin/packages/py-python-engineio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-python-gitlab/package.py b/var/spack/repos/builtin/packages/py-python-gitlab/package.py
index 8804279f7afab3989ce975c6e3f096debfca402b..d27d250d99b934c07ac55efea0b9f9b9b1746fc8 100644
--- a/var/spack/repos/builtin/packages/py-python-gitlab/package.py
+++ b/var/spack/repos/builtin/packages/py-python-gitlab/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-python-levenshtein/package.py b/var/spack/repos/builtin/packages/py-python-levenshtein/package.py
index 8acec3f08cf26810bdc5e2442f6b4636a5204f06..a19247c6fe19a1360be3d9ee62d44e6e4ac1a438 100644
--- a/var/spack/repos/builtin/packages/py-python-levenshtein/package.py
+++ b/var/spack/repos/builtin/packages/py-python-levenshtein/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-python-socketio/package.py b/var/spack/repos/builtin/packages/py-python-socketio/package.py
index f44c535e3ef428c473fc6157e06307d9d7bee9f7..169c960f9cb94506b60bfa2c3321b703e28c27bd 100644
--- a/var/spack/repos/builtin/packages/py-python-socketio/package.py
+++ b/var/spack/repos/builtin/packages/py-python-socketio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pythonqwt/package.py b/var/spack/repos/builtin/packages/py-pythonqwt/package.py
index 8fafd49a74e646ac2f054719b8b6b2b8ea039057..62551cfc9cad599093e7245a3ce733e9df1a0edb 100644
--- a/var/spack/repos/builtin/packages/py-pythonqwt/package.py
+++ b/var/spack/repos/builtin/packages/py-pythonqwt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytorch/package.py b/var/spack/repos/builtin/packages/py-pytorch/package.py
index 22c52e8aadc7e3b49f4a21bb417322eb52e19b33..d5df52c16f1f5cd680351850f0992716e9b1120f 100644
--- a/var/spack/repos/builtin/packages/py-pytorch/package.py
+++ b/var/spack/repos/builtin/packages/py-pytorch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pytz/package.py b/var/spack/repos/builtin/packages/py-pytz/package.py
index e0c36eec1524c5113199a84107584b2b1e19768b..de453868aea053b5ff13f2095bbb5951b20d982b 100644
--- a/var/spack/repos/builtin/packages/py-pytz/package.py
+++ b/var/spack/repos/builtin/packages/py-pytz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-pyutilib/package.py b/var/spack/repos/builtin/packages/py-pyutilib/package.py
index 1064856eae4e9ad08cf0cf4d483b54ccc2e8dfd1..62024068f16999490abe4a3cad897adef372df20 100644
--- a/var/spack/repos/builtin/packages/py-pyutilib/package.py
+++ b/var/spack/repos/builtin/packages/py-pyutilib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-pywavelets/package.py b/var/spack/repos/builtin/packages/py-pywavelets/package.py
index 41de891f9a3ebeb4d6321bc6977fe05e6d70f78a..dd561b17f4bbf66716de69db7152a3986d1e2139 100644
--- a/var/spack/repos/builtin/packages/py-pywavelets/package.py
+++ b/var/spack/repos/builtin/packages/py-pywavelets/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-pyyaml/package.py b/var/spack/repos/builtin/packages/py-pyyaml/package.py
index d3c7614519c1cb6abc99c232263eb0c67a28831c..3651c6820d31afb6804017de3e70805d9be0c029 100644
--- a/var/spack/repos/builtin/packages/py-pyyaml/package.py
+++ b/var/spack/repos/builtin/packages/py-pyyaml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-qtawesome/package.py b/var/spack/repos/builtin/packages/py-qtawesome/package.py
index a3cd6645a3bf42c6c9834de0d7dbaa2cb6a97aed..3d9cd5f77c63d15ff239cd380b22e7bbd0a12672 100644
--- a/var/spack/repos/builtin/packages/py-qtawesome/package.py
+++ b/var/spack/repos/builtin/packages/py-qtawesome/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-qtconsole/package.py b/var/spack/repos/builtin/packages/py-qtconsole/package.py
index f4b818be174075200ed7818569b17f1f19faff1a..37b05f9a1bc63634b2beb6675affb88a2c9837ed 100644
--- a/var/spack/repos/builtin/packages/py-qtconsole/package.py
+++ b/var/spack/repos/builtin/packages/py-qtconsole/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-qtpy/package.py b/var/spack/repos/builtin/packages/py-qtpy/package.py
index f90bcb566de1ad02e78b399e8febcfcd64d9dd12..aef6a1deb1dd64bae144c917f8611611779f38c5 100644
--- a/var/spack/repos/builtin/packages/py-qtpy/package.py
+++ b/var/spack/repos/builtin/packages/py-qtpy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-quantities/package.py b/var/spack/repos/builtin/packages/py-quantities/package.py
index f7136e27bba530f985381d41a682d8ddeab860f2..c0afca77a71580838b1f1570c48af4ed546bfa78 100644
--- a/var/spack/repos/builtin/packages/py-quantities/package.py
+++ b/var/spack/repos/builtin/packages/py-quantities/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-quast/package.py b/var/spack/repos/builtin/packages/py-quast/package.py
index 03e96a8263638980f229b5473af7982b48e320ee..41e966b24b442736f59e7e3db230a1cd1f00e56c 100644
--- a/var/spack/repos/builtin/packages/py-quast/package.py
+++ b/var/spack/repos/builtin/packages/py-quast/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-radical-utils/package.py b/var/spack/repos/builtin/packages/py-radical-utils/package.py
index df1abb1f1a095aae3fcdc982f83284f191bdbb34..1a04087ea0637373f172de2eb0e8fc2a33749062 100644
--- a/var/spack/repos/builtin/packages/py-radical-utils/package.py
+++ b/var/spack/repos/builtin/packages/py-radical-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-ranger/package.py b/var/spack/repos/builtin/packages/py-ranger/package.py
index 2c297e91d23b545aa856f998c69722f4753e4b78..7a923fc638af48379e7966ec59ee497a66d41ad0 100644
--- a/var/spack/repos/builtin/packages/py-ranger/package.py
+++ b/var/spack/repos/builtin/packages/py-ranger/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-rasterio/package.py b/var/spack/repos/builtin/packages/py-rasterio/package.py
index c7df3bb153c116507ed602707f1ac822a2ae508a..567befd2a066073efb6958ada5ab6c060816ab93 100644
--- a/var/spack/repos/builtin/packages/py-rasterio/package.py
+++ b/var/spack/repos/builtin/packages/py-rasterio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-readme-renderer/package.py b/var/spack/repos/builtin/packages/py-readme-renderer/package.py
index e6bf6ed2f424d8c8d7d7c7752c5f6128213663c3..becbc0e1d4699457d3013c673bee3035ff59f6f9 100644
--- a/var/spack/repos/builtin/packages/py-readme-renderer/package.py
+++ b/var/spack/repos/builtin/packages/py-readme-renderer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-regex/package.py b/var/spack/repos/builtin/packages/py-regex/package.py
index b4759959480c3d82f2f4702d38fd229a7f019aac..e2aeb296bfdcd77b74a86eb577cb8993a3ef7131 100644
--- a/var/spack/repos/builtin/packages/py-regex/package.py
+++ b/var/spack/repos/builtin/packages/py-regex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-reportlab/package.py b/var/spack/repos/builtin/packages/py-reportlab/package.py
index bb14dd5f9fdc0d288da577b2a4c0b8530db1884f..e8a18679476a1ef53c3bf6fe57cef955260f039e 100644
--- a/var/spack/repos/builtin/packages/py-reportlab/package.py
+++ b/var/spack/repos/builtin/packages/py-reportlab/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-requests-toolbelt/package.py b/var/spack/repos/builtin/packages/py-requests-toolbelt/package.py
index 8d46e8d544f78ff0730c4a2937f872db780469d9..f19e9fe1d1e835b3402209d660eeb13108dd8466 100644
--- a/var/spack/repos/builtin/packages/py-requests-toolbelt/package.py
+++ b/var/spack/repos/builtin/packages/py-requests-toolbelt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-requests/package.py b/var/spack/repos/builtin/packages/py-requests/package.py
index db710fcb0e18891e3d5d1e0083049d99bd5bdd4c..b5ba4b0d379a97c5da3cd33d28fff2c8711b08b8 100644
--- a/var/spack/repos/builtin/packages/py-requests/package.py
+++ b/var/spack/repos/builtin/packages/py-requests/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-restview/package.py b/var/spack/repos/builtin/packages/py-restview/package.py
index c3e8c87f85215b92375f65975ac380dfb1dff9d6..2f9c735bab155f4751710c84e5e453612239a593 100644
--- a/var/spack/repos/builtin/packages/py-restview/package.py
+++ b/var/spack/repos/builtin/packages/py-restview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-rope/package.py b/var/spack/repos/builtin/packages/py-rope/package.py
index fe1fa8ce370662268bdb08e478ee533904a93a6a..879264707f84b87ada200976abd77c2edf6fd129 100644
--- a/var/spack/repos/builtin/packages/py-rope/package.py
+++ b/var/spack/repos/builtin/packages/py-rope/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-rpy2/package.py b/var/spack/repos/builtin/packages/py-rpy2/package.py
index 79deaed32fc003eb33a7c7718dc864ebf1909e69..9ae4464ea1d7cff36dd924b6229f6ff88d48408a 100644
--- a/var/spack/repos/builtin/packages/py-rpy2/package.py
+++ b/var/spack/repos/builtin/packages/py-rpy2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-rsa/package.py b/var/spack/repos/builtin/packages/py-rsa/package.py
index e0642fb52859074a4547983e42f6cf3cc520bf85..287d39279ab1bdadd1ec93a2a2fbba5586c89920 100644
--- a/var/spack/repos/builtin/packages/py-rsa/package.py
+++ b/var/spack/repos/builtin/packages/py-rsa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-rseqc/package.py b/var/spack/repos/builtin/packages/py-rseqc/package.py
index 2d5410c455a876a7b86da9eb74c96dd6d9c1c07c..15563be2a096074123e76f8b5cf824d9d7ab28bc 100644
--- a/var/spack/repos/builtin/packages/py-rseqc/package.py
+++ b/var/spack/repos/builtin/packages/py-rseqc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-rtree/package.py b/var/spack/repos/builtin/packages/py-rtree/package.py
index 637afc9ce5008e2562b48e82bdc51df34bb039fc..e1be4c6aee279ddbba86980f9b99838e40f1ab67 100644
--- a/var/spack/repos/builtin/packages/py-rtree/package.py
+++ b/var/spack/repos/builtin/packages/py-rtree/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-saga-python/package.py b/var/spack/repos/builtin/packages/py-saga-python/package.py
index 9b202497f5b8a4202571c6ba6c8e33b55d8bc14d..2890c16889e4e6b016a52524e830a07d62aaeaf6 100644
--- a/var/spack/repos/builtin/packages/py-saga-python/package.py
+++ b/var/spack/repos/builtin/packages/py-saga-python/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-scandir/package.py b/var/spack/repos/builtin/packages/py-scandir/package.py
index 0bc069e198d496b49f0b767cd58295590b285ee9..09aa29a6626911ba42e267b792304c172da63b05 100644
--- a/var/spack/repos/builtin/packages/py-scandir/package.py
+++ b/var/spack/repos/builtin/packages/py-scandir/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-scientificpython/package.py b/var/spack/repos/builtin/packages/py-scientificpython/package.py
index 241214a0321d520290352384ea42017f0f1680a0..4926de00548441244f3a7d010eccae7806db3f96 100644
--- a/var/spack/repos/builtin/packages/py-scientificpython/package.py
+++ b/var/spack/repos/builtin/packages/py-scientificpython/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-scikit-image/package.py b/var/spack/repos/builtin/packages/py-scikit-image/package.py
index 4aa8525d453161cce184605f4968e0f044132da2..f9a270f96d66448ecba8f1b7d213db695dbb4fec 100644
--- a/var/spack/repos/builtin/packages/py-scikit-image/package.py
+++ b/var/spack/repos/builtin/packages/py-scikit-image/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-scikit-learn/package.py b/var/spack/repos/builtin/packages/py-scikit-learn/package.py
index 46024fdfd4663cb0b71ce294807db86740c340a0..9a5df494f2013a1382cc8aea42342550f78d4efb 100644
--- a/var/spack/repos/builtin/packages/py-scikit-learn/package.py
+++ b/var/spack/repos/builtin/packages/py-scikit-learn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-scipy/package.py b/var/spack/repos/builtin/packages/py-scipy/package.py
index acf93a6f2546112af315c83b2822c35ca270ce11..8b04bda75d28101068e394f3271dd315c78ad360 100644
--- a/var/spack/repos/builtin/packages/py-scipy/package.py
+++ b/var/spack/repos/builtin/packages/py-scipy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-seaborn/package.py b/var/spack/repos/builtin/packages/py-seaborn/package.py
index 6783e79a9fcf289ad6b237b1d4e7e9929235ac41..f10302a5b6df125b13545a40ce9be2bb45dc5e5f 100644
--- a/var/spack/repos/builtin/packages/py-seaborn/package.py
+++ b/var/spack/repos/builtin/packages/py-seaborn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-setuptools-git/package.py b/var/spack/repos/builtin/packages/py-setuptools-git/package.py
index a072d02f47b7712e7792b33fc665436ed3cbd33f..23569c4534ca827f5b2eb6a0c1dad171c373936c 100644
--- a/var/spack/repos/builtin/packages/py-setuptools-git/package.py
+++ b/var/spack/repos/builtin/packages/py-setuptools-git/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-setuptools-scm/package.py b/var/spack/repos/builtin/packages/py-setuptools-scm/package.py
index bda8a527b9c833832b93d3f484399ebc5d89cb94..dd2321fbd036cea5971aa87dd93840d967664edc 100644
--- a/var/spack/repos/builtin/packages/py-setuptools-scm/package.py
+++ b/var/spack/repos/builtin/packages/py-setuptools-scm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-setuptools/package.py b/var/spack/repos/builtin/packages/py-setuptools/package.py
index 8f7a61e733d61234b422e329c428b1d8b84981a2..c37d62414b3c1b3f1df167f7ea89dc8e3c73060e 100644
--- a/var/spack/repos/builtin/packages/py-setuptools/package.py
+++ b/var/spack/repos/builtin/packages/py-setuptools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sfepy/package.py b/var/spack/repos/builtin/packages/py-sfepy/package.py
index 48b9dd891df351d75ef31465b0c73d9122de80e5..efd3305bf4913ce5a875014b8998b52041d34d4d 100644
--- a/var/spack/repos/builtin/packages/py-sfepy/package.py
+++ b/var/spack/repos/builtin/packages/py-sfepy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sh/package.py b/var/spack/repos/builtin/packages/py-sh/package.py
index 71a9d9fe6444d09bf02b412f1c67396599a6f747..4fd4ecb8bf282c60a2c3b23b2c72845f9f167bc4 100644
--- a/var/spack/repos/builtin/packages/py-sh/package.py
+++ b/var/spack/repos/builtin/packages/py-sh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-shapely/package.py b/var/spack/repos/builtin/packages/py-shapely/package.py
index 0f14934738e05c470b268668e25ecbeea40429e7..ba82ef22293b119aa40a77d49ac6f717daa0fae9 100644
--- a/var/spack/repos/builtin/packages/py-shapely/package.py
+++ b/var/spack/repos/builtin/packages/py-shapely/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-shiboken/package.py b/var/spack/repos/builtin/packages/py-shiboken/package.py
index f6d0630fb534d2b34399ca4bfd8daa52cce8a198..02197e75714190aeb69615d31e33f5071dccac9d 100644
--- a/var/spack/repos/builtin/packages/py-shiboken/package.py
+++ b/var/spack/repos/builtin/packages/py-shiboken/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/py-simplegeneric/package.py b/var/spack/repos/builtin/packages/py-simplegeneric/package.py
index 9ad021845abd75abcc9961b20716716593cf2459..5fc961ccc05270a02c586eca4a679e65add4d9ba 100644
--- a/var/spack/repos/builtin/packages/py-simplegeneric/package.py
+++ b/var/spack/repos/builtin/packages/py-simplegeneric/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-simplejson/package.py b/var/spack/repos/builtin/packages/py-simplejson/package.py
index 95a73d6e94bae11dc60f6ceb7d6167ef1df9ecc2..1b7ad7e07198713350dbb8fdd76d94989ab1357f 100644
--- a/var/spack/repos/builtin/packages/py-simplejson/package.py
+++ b/var/spack/repos/builtin/packages/py-simplejson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-singledispatch/package.py b/var/spack/repos/builtin/packages/py-singledispatch/package.py
index bdbbc5652534eb542c6f0718ba11cbb0587f15ef..ca9ed4513c54470734ed059c843af6ecc323ee16 100644
--- a/var/spack/repos/builtin/packages/py-singledispatch/package.py
+++ b/var/spack/repos/builtin/packages/py-singledispatch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sip/package.py b/var/spack/repos/builtin/packages/py-sip/package.py
index 643168cf2f42ea58265ccd140f5b32e7a499841e..afa4aeee9b9b04c4c02be1e2c61698d02ba3271a 100644
--- a/var/spack/repos/builtin/packages/py-sip/package.py
+++ b/var/spack/repos/builtin/packages/py-sip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/py-six/package.py b/var/spack/repos/builtin/packages/py-six/package.py
index 349ea5f4b5565f241f63b95f699fb9cb542f8ee3..acbc674d7b5b1ee15b1b95017314c215ad9bb6c6 100644
--- a/var/spack/repos/builtin/packages/py-six/package.py
+++ b/var/spack/repos/builtin/packages/py-six/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-slepc4py/package.py b/var/spack/repos/builtin/packages/py-slepc4py/package.py
index 0ad7085eef1bb4b24c74d88acae00d658a38d4e6..279f805052a0bd9527af70bdcb0d5e686456cc3d 100644
--- a/var/spack/repos/builtin/packages/py-slepc4py/package.py
+++ b/var/spack/repos/builtin/packages/py-slepc4py/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-slurm-pipeline/package.py b/var/spack/repos/builtin/packages/py-slurm-pipeline/package.py
index c12092d9dc060e96470031debd70b631f2c4da3d..ffece8a2acddf53dc9f2060f1ac54991977575e3 100644
--- a/var/spack/repos/builtin/packages/py-slurm-pipeline/package.py
+++ b/var/spack/repos/builtin/packages/py-slurm-pipeline/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sncosmo/package.py b/var/spack/repos/builtin/packages/py-sncosmo/package.py
index 061ee3cdbf160bc96a10718720cd903aaa26d01f..d44724d41cd7bbfcba05a33c11ca7fee7aaed2b7 100644
--- a/var/spack/repos/builtin/packages/py-sncosmo/package.py
+++ b/var/spack/repos/builtin/packages/py-sncosmo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-snowballstemmer/package.py b/var/spack/repos/builtin/packages/py-snowballstemmer/package.py
index 79f8355702ec63127564dc83a5f8efda9a1770d7..19e3d99afe0c8952716b93b8b4de31f44f67c113 100644
--- a/var/spack/repos/builtin/packages/py-snowballstemmer/package.py
+++ b/var/spack/repos/builtin/packages/py-snowballstemmer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-snuggs/package.py b/var/spack/repos/builtin/packages/py-snuggs/package.py
index 975fdfbe03a649c91602d40a87ec635da12ffb6e..7224d9e7bffd5fc5dcd1c0909fdfdc87b98d8868 100644
--- a/var/spack/repos/builtin/packages/py-snuggs/package.py
+++ b/var/spack/repos/builtin/packages/py-snuggs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-spectra/package.py b/var/spack/repos/builtin/packages/py-spectra/package.py
index cbc87041ec1197f097ee6d083cc94af626bd4445..37891536d9b2efc736ac4ee20cbed4dd751c454c 100644
--- a/var/spack/repos/builtin/packages/py-spectra/package.py
+++ b/var/spack/repos/builtin/packages/py-spectra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-spefile/package.py b/var/spack/repos/builtin/packages/py-spefile/package.py
index db82492efe72c1e5988b5c6de5363f36a4279a07..c6b4adba1f05f3ac5f10d12e71cb0949a24666f5 100644
--- a/var/spack/repos/builtin/packages/py-spefile/package.py
+++ b/var/spack/repos/builtin/packages/py-spefile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-spglib/package.py b/var/spack/repos/builtin/packages/py-spglib/package.py
index 7ea44c9b430bdc93f7a0fc78493b6da7b5a7721a..271ca68e82a05f81bc1138c040c8fcee87325787 100644
--- a/var/spack/repos/builtin/packages/py-spglib/package.py
+++ b/var/spack/repos/builtin/packages/py-spglib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sphinx-bootstrap-theme/package.py b/var/spack/repos/builtin/packages/py-sphinx-bootstrap-theme/package.py
index 5a1c0fc7480d383447406e4261bd4c2889f7e7c5..878b18195c61d20dcdc54969af9f0b065f263b5a 100644
--- a/var/spack/repos/builtin/packages/py-sphinx-bootstrap-theme/package.py
+++ b/var/spack/repos/builtin/packages/py-sphinx-bootstrap-theme/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sphinx-rtd-theme/package.py b/var/spack/repos/builtin/packages/py-sphinx-rtd-theme/package.py
index e0bdf96d32bad43e0dfe5102928294cf9f94c4a4..bb799915aaa4a998a5d7316e2e86c75460bb5bf5 100644
--- a/var/spack/repos/builtin/packages/py-sphinx-rtd-theme/package.py
+++ b/var/spack/repos/builtin/packages/py-sphinx-rtd-theme/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sphinx/package.py b/var/spack/repos/builtin/packages/py-sphinx/package.py
index e63605efc6a2b5a45d0bd0cd4b23fa15a7b02582..3f0268732f08d5f6b016f10ea08d9a422e9abe44 100644
--- a/var/spack/repos/builtin/packages/py-sphinx/package.py
+++ b/var/spack/repos/builtin/packages/py-sphinx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sphinxcontrib-bibtex/package.py b/var/spack/repos/builtin/packages/py-sphinxcontrib-bibtex/package.py
index 91f242a24cfb05f3be9cc513eab5069676241281..b0dc62142b52e04bc2d959459b55fbce693d6970 100644
--- a/var/spack/repos/builtin/packages/py-sphinxcontrib-bibtex/package.py
+++ b/var/spack/repos/builtin/packages/py-sphinxcontrib-bibtex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sphinxcontrib-programoutput/package.py b/var/spack/repos/builtin/packages/py-sphinxcontrib-programoutput/package.py
index 23ffd12ebc987e33bcf5c72d6e3e4a48276c8b6a..bc8cd15609fce73036a8abcd8c5ccbcc9ce67290 100644
--- a/var/spack/repos/builtin/packages/py-sphinxcontrib-programoutput/package.py
+++ b/var/spack/repos/builtin/packages/py-sphinxcontrib-programoutput/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sphinxcontrib-websupport/package.py b/var/spack/repos/builtin/packages/py-sphinxcontrib-websupport/package.py
index 0c98d435c7565b38f1b654602dc264c2ee0218c1..f823a0fadb39ff4525718aa7190074c2bcbf9df4 100644
--- a/var/spack/repos/builtin/packages/py-sphinxcontrib-websupport/package.py
+++ b/var/spack/repos/builtin/packages/py-sphinxcontrib-websupport/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-spyder/package.py b/var/spack/repos/builtin/packages/py-spyder/package.py
index db7af50224f188f25505395ff0e05ad71f7ffd7c..57ce28a28a3d69192dde5ed330dd02ebf474ad06 100644
--- a/var/spack/repos/builtin/packages/py-spyder/package.py
+++ b/var/spack/repos/builtin/packages/py-spyder/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-spykeutils/package.py b/var/spack/repos/builtin/packages/py-spykeutils/package.py
index 830d84e0a630234199859657d60e26e3566241c6..466ec83895a02db12cb019bd27d83d6cc70eb49c 100644
--- a/var/spack/repos/builtin/packages/py-spykeutils/package.py
+++ b/var/spack/repos/builtin/packages/py-spykeutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sqlalchemy/package.py b/var/spack/repos/builtin/packages/py-sqlalchemy/package.py
index ed70309a1a8dfd17a5fefa4de94b47a0f688e382..16ce8b76c988ec345311fd4512b7a04195c87dd9 100644
--- a/var/spack/repos/builtin/packages/py-sqlalchemy/package.py
+++ b/var/spack/repos/builtin/packages/py-sqlalchemy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-statsmodels/package.py b/var/spack/repos/builtin/packages/py-statsmodels/package.py
index c4d73ad91d7c9ec8427f27d5f51ce8ec832cb736..b206410d3950a9f7bcc2a3fd30232d447dc5ed7d 100644
--- a/var/spack/repos/builtin/packages/py-statsmodels/package.py
+++ b/var/spack/repos/builtin/packages/py-statsmodels/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-stevedore/package.py b/var/spack/repos/builtin/packages/py-stevedore/package.py
index 05640c31f8a70b9ff28b9a9da4c91adf349be689..5cd8c5ec43e4fa7a1a9ccd660735d2c1b3805a46 100644
--- a/var/spack/repos/builtin/packages/py-stevedore/package.py
+++ b/var/spack/repos/builtin/packages/py-stevedore/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-storm/package.py b/var/spack/repos/builtin/packages/py-storm/package.py
index a893b4efdc59bd97ee14ba8d7b4b14c5de5de563..2274a5d3ea5e77941396eed467ee745c03559db8 100644
--- a/var/spack/repos/builtin/packages/py-storm/package.py
+++ b/var/spack/repos/builtin/packages/py-storm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-subprocess32/package.py b/var/spack/repos/builtin/packages/py-subprocess32/package.py
index 22ff245f7383a972cf3698e3128aa8be34362b38..831f0ae42835f020d57df453324d75cae8c9c498 100644
--- a/var/spack/repos/builtin/packages/py-subprocess32/package.py
+++ b/var/spack/repos/builtin/packages/py-subprocess32/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-symengine/package.py b/var/spack/repos/builtin/packages/py-symengine/package.py
index b3efc573909be7c6f73b733a0ce01e1c9866a21a..021604a88b822d1fa0b089e9bf4e58c55f4d6986 100644
--- a/var/spack/repos/builtin/packages/py-symengine/package.py
+++ b/var/spack/repos/builtin/packages/py-symengine/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-symfit/package.py b/var/spack/repos/builtin/packages/py-symfit/package.py
index df39927ccc7196640b2c02f362bcccd743430423..a876ef689dae410b4ef62ec4bd7c33f6f4a9ba68 100644
--- a/var/spack/repos/builtin/packages/py-symfit/package.py
+++ b/var/spack/repos/builtin/packages/py-symfit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-sympy/package.py b/var/spack/repos/builtin/packages/py-sympy/package.py
index 1d1633128465a02ab8a10fce97dc3c5e4ba7c2ee..f9289f9b0fcfd88b28fe2ed5294c6b0089bbd73d 100644
--- a/var/spack/repos/builtin/packages/py-sympy/package.py
+++ b/var/spack/repos/builtin/packages/py-sympy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tabulate/package.py b/var/spack/repos/builtin/packages/py-tabulate/package.py
index fe3466d7b6fc1344202deec8e4fd59833dfa5b61..6a3058a769cf4a6dba146686c7f0b90e5b381166 100644
--- a/var/spack/repos/builtin/packages/py-tabulate/package.py
+++ b/var/spack/repos/builtin/packages/py-tabulate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tappy/package.py b/var/spack/repos/builtin/packages/py-tappy/package.py
index ee495cc78f3e7fe0b89af5aa2180d8dbc7fd1cff..ae2c5b360ba9a15d8346583a908c97c4309f8a07 100644
--- a/var/spack/repos/builtin/packages/py-tappy/package.py
+++ b/var/spack/repos/builtin/packages/py-tappy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-terminado/package.py b/var/spack/repos/builtin/packages/py-terminado/package.py
index 9962f4190b6b5eb6954c088cf4ed82531931fe29..f77097c4d8dd9c9e8fe04d93d5b258e695842d1e 100644
--- a/var/spack/repos/builtin/packages/py-terminado/package.py
+++ b/var/spack/repos/builtin/packages/py-terminado/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-testinfra/package.py b/var/spack/repos/builtin/packages/py-testinfra/package.py
index 50e098bb7e38191d6eb915577057ae03b0d127cf..e866245794f4b93fca9a017ac268c489f0dade71 100644
--- a/var/spack/repos/builtin/packages/py-testinfra/package.py
+++ b/var/spack/repos/builtin/packages/py-testinfra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tetoolkit/package.py b/var/spack/repos/builtin/packages/py-tetoolkit/package.py
index e242ae52dfd59a723bebd1c1d0f1a99759fe3478..c43950c518f17e5d8b864b75e1a6ed002764c40b 100644
--- a/var/spack/repos/builtin/packages/py-tetoolkit/package.py
+++ b/var/spack/repos/builtin/packages/py-tetoolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-theano/package.py b/var/spack/repos/builtin/packages/py-theano/package.py
index e5f77a1e9ac616613b551cc5a0e0ae9f6520f97a..a808fa896beae066ef2e3581d8cdfa7beb13d4ef 100644
--- a/var/spack/repos/builtin/packages/py-theano/package.py
+++ b/var/spack/repos/builtin/packages/py-theano/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tifffile/package.py b/var/spack/repos/builtin/packages/py-tifffile/package.py
index 740f94170ed09f2ae0ed7977d359fe0e9c9a4c23..d8f863ef158a266d893f7e87f2f54d775de49efe 100644
--- a/var/spack/repos/builtin/packages/py-tifffile/package.py
+++ b/var/spack/repos/builtin/packages/py-tifffile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-toml/package.py b/var/spack/repos/builtin/packages/py-toml/package.py
index e006681bd5b11119798112204b3975459e6c8fd8..22c8c3065a5329c8dc073be051a036ec1d2a86b4 100644
--- a/var/spack/repos/builtin/packages/py-toml/package.py
+++ b/var/spack/repos/builtin/packages/py-toml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tomopy/package.py b/var/spack/repos/builtin/packages/py-tomopy/package.py
index bafa041a8dc258afa037647c3733d126b0c6ff3d..1b5d8f2e7944cc2cbbfe844c4224d074a126d552 100644
--- a/var/spack/repos/builtin/packages/py-tomopy/package.py
+++ b/var/spack/repos/builtin/packages/py-tomopy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-toolz/package.py b/var/spack/repos/builtin/packages/py-toolz/package.py
index 45305af96189a54eaa3121b5a96d368740a7e00d..671a5dbfee08be252cbabad5d2d076c68b8d1040 100644
--- a/var/spack/repos/builtin/packages/py-toolz/package.py
+++ b/var/spack/repos/builtin/packages/py-toolz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tornado/package.py b/var/spack/repos/builtin/packages/py-tornado/package.py
index 5d11e2887785e1f6a0277beb1523f7876dfeba30..c480b2747026babb58c8d0a815991f5935b18873 100644
--- a/var/spack/repos/builtin/packages/py-tornado/package.py
+++ b/var/spack/repos/builtin/packages/py-tornado/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tqdm/package.py b/var/spack/repos/builtin/packages/py-tqdm/package.py
index 00ec4c494673c6f8f6b6cb7557003adcfcfa3589..b9c3d69562e67eb4513709977932bd6eeb068173 100644
--- a/var/spack/repos/builtin/packages/py-tqdm/package.py
+++ b/var/spack/repos/builtin/packages/py-tqdm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-traceback2/package.py b/var/spack/repos/builtin/packages/py-traceback2/package.py
index 1b8394614c48a9dff1f54d66f79501555d57cbb1..86f61b17c56e5a345cb0de9338d1bf69a1d4d94e 100644
--- a/var/spack/repos/builtin/packages/py-traceback2/package.py
+++ b/var/spack/repos/builtin/packages/py-traceback2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-traitlets/package.py b/var/spack/repos/builtin/packages/py-traitlets/package.py
index be45542a25ccba9eede878fd72aab3c499f46055..b8d7b418e125e72c1ba55406467051796f638c1a 100644
--- a/var/spack/repos/builtin/packages/py-traitlets/package.py
+++ b/var/spack/repos/builtin/packages/py-traitlets/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tuiview/package.py b/var/spack/repos/builtin/packages/py-tuiview/package.py
index 76cfc9bd8d0f79a22ab9b1bfd4e10687793aeb2e..f9baeef8b8f19a8226571fd0b8db6796b7fec52f 100644
--- a/var/spack/repos/builtin/packages/py-tuiview/package.py
+++ b/var/spack/repos/builtin/packages/py-tuiview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-twisted/package.py b/var/spack/repos/builtin/packages/py-twisted/package.py
index 91a66c5a43ccb38f024f87cb90cd8315007f3c35..7b03f54f8f1c1f8c065e73978600b2a530b6bc7e 100644
--- a/var/spack/repos/builtin/packages/py-twisted/package.py
+++ b/var/spack/repos/builtin/packages/py-twisted/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-typing/package.py b/var/spack/repos/builtin/packages/py-typing/package.py
index 35a6f4421689b53b09eb56f49a33014e7deaedd4..c1f593f07a973ee271e0d7bd8231b1f5ee8223a2 100644
--- a/var/spack/repos/builtin/packages/py-typing/package.py
+++ b/var/spack/repos/builtin/packages/py-typing/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-tzlocal/package.py b/var/spack/repos/builtin/packages/py-tzlocal/package.py
index 758a0573e3b4297b556c24a42972b358a74de4fb..90f31cb2055c44ff95948e2139a1c1d7e717ef81 100644
--- a/var/spack/repos/builtin/packages/py-tzlocal/package.py
+++ b/var/spack/repos/builtin/packages/py-tzlocal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-udunits/package.py b/var/spack/repos/builtin/packages/py-udunits/package.py
index b585fcbfd9bea47481a26f47e493a65073b5a336..eddfd4cc082c74de39713b131753802b1000e26e 100644
--- a/var/spack/repos/builtin/packages/py-udunits/package.py
+++ b/var/spack/repos/builtin/packages/py-udunits/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/py-umi-tools/package.py b/var/spack/repos/builtin/packages/py-umi-tools/package.py
index 3c896cf261f9453a7f5fde1810d23ffdd9a87649..d837ba6be601eabb6ebb9d3f3dd198c38d79ec1d 100644
--- a/var/spack/repos/builtin/packages/py-umi-tools/package.py
+++ b/var/spack/repos/builtin/packages/py-umi-tools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-unittest2/package.py b/var/spack/repos/builtin/packages/py-unittest2/package.py
index 0f0cc89512191a49aa9082422bb9ea1c36411ba9..635ba1cedaa27e5af39a372599cd47267c840492 100644
--- a/var/spack/repos/builtin/packages/py-unittest2/package.py
+++ b/var/spack/repos/builtin/packages/py-unittest2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-unittest2py3k/package.py b/var/spack/repos/builtin/packages/py-unittest2py3k/package.py
index 6b114a7e85483a1841ab178e6ef156e847d6b382..932d665b2f0b2a9bfe5ddcdefc35d2f7e448f638 100644
--- a/var/spack/repos/builtin/packages/py-unittest2py3k/package.py
+++ b/var/spack/repos/builtin/packages/py-unittest2py3k/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-urllib3/package.py b/var/spack/repos/builtin/packages/py-urllib3/package.py
index f43510c4922ea0b2f3aed40df31f82edd8163a82..224ee6197d04104ef311b61ac27ac9c4a3ce18b5 100644
--- a/var/spack/repos/builtin/packages/py-urllib3/package.py
+++ b/var/spack/repos/builtin/packages/py-urllib3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-urwid/package.py b/var/spack/repos/builtin/packages/py-urwid/package.py
index 70021a68c8f198855118dbdf1c0952ec598b9dc7..c5f106809a690e65ff93928e85c3e4b4e55965ec 100644
--- a/var/spack/repos/builtin/packages/py-urwid/package.py
+++ b/var/spack/repos/builtin/packages/py-urwid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-vcversioner/package.py b/var/spack/repos/builtin/packages/py-vcversioner/package.py
index b77108a52b1d62b322126b0adb132f4e91c90ce7..8c863ae58f513798a954f42b9e7a90f3702152a3 100644
--- a/var/spack/repos/builtin/packages/py-vcversioner/package.py
+++ b/var/spack/repos/builtin/packages/py-vcversioner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-virtualenv-clone/package.py b/var/spack/repos/builtin/packages/py-virtualenv-clone/package.py
index 9bdd320701994c0c545076da3dd1b137eb353e92..ecc7abfe4f564fc5f24cae399259184334869752 100644
--- a/var/spack/repos/builtin/packages/py-virtualenv-clone/package.py
+++ b/var/spack/repos/builtin/packages/py-virtualenv-clone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-virtualenv/package.py b/var/spack/repos/builtin/packages/py-virtualenv/package.py
index be8906340c02147b67f25d75e73a6340ae35be93..a4108b51eef5f27f164a74908209cf79c3631d70 100644
--- a/var/spack/repos/builtin/packages/py-virtualenv/package.py
+++ b/var/spack/repos/builtin/packages/py-virtualenv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-virtualenvwrapper/package.py b/var/spack/repos/builtin/packages/py-virtualenvwrapper/package.py
index ada01af35f94068a36eabd086f292a3a6021f0c6..009358344a35f742f215808aea89b4d02b200823 100644
--- a/var/spack/repos/builtin/packages/py-virtualenvwrapper/package.py
+++ b/var/spack/repos/builtin/packages/py-virtualenvwrapper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-vsc-base/package.py b/var/spack/repos/builtin/packages/py-vsc-base/package.py
index 2cd0ff4b462c7b7d35a25e5a0c5ec326084e9243..f2ca078d60c09908e812b44546f47ed7dadccb61 100644
--- a/var/spack/repos/builtin/packages/py-vsc-base/package.py
+++ b/var/spack/repos/builtin/packages/py-vsc-base/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Kenneth Hoste
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-vsc-install/package.py b/var/spack/repos/builtin/packages/py-vsc-install/package.py
index 09e9c885cf59e0ca9c5ed235955a6e8bbe9d06a8..9b74392146bc04eaae846ebaa30a2872ceb4967a 100644
--- a/var/spack/repos/builtin/packages/py-vsc-install/package.py
+++ b/var/spack/repos/builtin/packages/py-vsc-install/package.py
@@ -1,25 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Kenneth Hoste
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Kenneth Hoste, kenneth.hoste@gmail.com
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-wcsaxes/package.py b/var/spack/repos/builtin/packages/py-wcsaxes/package.py
index ed8c0c3f9920c82c5f77873ffe944a4d836011f6..c3109c498a83f5921a017a549f7cb60534d11640 100644
--- a/var/spack/repos/builtin/packages/py-wcsaxes/package.py
+++ b/var/spack/repos/builtin/packages/py-wcsaxes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-wcwidth/package.py b/var/spack/repos/builtin/packages/py-wcwidth/package.py
index a3d9ba980b370ba47a1fca2623df2b607e92df35..4bb68362a766da34b677cee1046ed9f32e0e47c3 100644
--- a/var/spack/repos/builtin/packages/py-wcwidth/package.py
+++ b/var/spack/repos/builtin/packages/py-wcwidth/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-webkit-server/package.py b/var/spack/repos/builtin/packages/py-webkit-server/package.py
index fa42d1b5e8b29be03959a946b51ce2f337ac1732..db1e45e088f9bf702cb562f18016a5d6ee46347f 100644
--- a/var/spack/repos/builtin/packages/py-webkit-server/package.py
+++ b/var/spack/repos/builtin/packages/py-webkit-server/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-weblogo/package.py b/var/spack/repos/builtin/packages/py-weblogo/package.py
index fd01da070c79f7d2c51cdde7039c4a61c0b7d6d6..1b27ac5686b6de2788096955cc3e3dc5c533359d 100644
--- a/var/spack/repos/builtin/packages/py-weblogo/package.py
+++ b/var/spack/repos/builtin/packages/py-weblogo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-werkzeug/package.py b/var/spack/repos/builtin/packages/py-werkzeug/package.py
index 4ca81b762c91a8d0cce625b744294a6762cdf090..f2941f80fc8c43f4e99abdfeb3f1e85ee900aa4c 100644
--- a/var/spack/repos/builtin/packages/py-werkzeug/package.py
+++ b/var/spack/repos/builtin/packages/py-werkzeug/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-wheel/package.py b/var/spack/repos/builtin/packages/py-wheel/package.py
index e3464971eb79c5dc6f827933fcc8a076c4265bec..03e91849ad3f0b06278f65a55c2fd434c5477182 100644
--- a/var/spack/repos/builtin/packages/py-wheel/package.py
+++ b/var/spack/repos/builtin/packages/py-wheel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-widgetsnbextension/package.py b/var/spack/repos/builtin/packages/py-widgetsnbextension/package.py
index fbfc971abc0084d2b74f475d0dfebf8af2cce023..32cfc4581a4ecc918b4d9415ab4fd5d69cdc1280 100644
--- a/var/spack/repos/builtin/packages/py-widgetsnbextension/package.py
+++ b/var/spack/repos/builtin/packages/py-widgetsnbextension/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-wrapt/package.py b/var/spack/repos/builtin/packages/py-wrapt/package.py
index 44d1f19e3dda2b2b265aa7cf6e9d71b42a9a4df4..a73a0ee70aed7910f9b0d7be027d5fdb68aeb1bb 100644
--- a/var/spack/repos/builtin/packages/py-wrapt/package.py
+++ b/var/spack/repos/builtin/packages/py-wrapt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xarray/package.py b/var/spack/repos/builtin/packages/py-xarray/package.py
index a2a42c4dcdb1fbc391d9bad21dfa20ffae74a4c1..ade407dbb943a578a798b930d6d615a4fb524cc1 100644
--- a/var/spack/repos/builtin/packages/py-xarray/package.py
+++ b/var/spack/repos/builtin/packages/py-xarray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xattr/package.py b/var/spack/repos/builtin/packages/py-xattr/package.py
index 15f4aeffd4322c2062ccef463c7a9b1fd62fe475..c6ee55760f9e6bdb522fdc08ba074c08eb1d4cba 100644
--- a/var/spack/repos/builtin/packages/py-xattr/package.py
+++ b/var/spack/repos/builtin/packages/py-xattr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xdot/package.py b/var/spack/repos/builtin/packages/py-xdot/package.py
index 86a2d3a9b56249de34184e8898be6942331eb134..6ab03ba54d008c59ce9ad296cdd831d61358f6e4 100644
--- a/var/spack/repos/builtin/packages/py-xdot/package.py
+++ b/var/spack/repos/builtin/packages/py-xdot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xlrd/package.py b/var/spack/repos/builtin/packages/py-xlrd/package.py
index 1a915d084e9f40fb4e490d63b1928795fcd93a2e..9117728b98731a3eae74d5d9b7c7d0d1cd3d3213 100644
--- a/var/spack/repos/builtin/packages/py-xlrd/package.py
+++ b/var/spack/repos/builtin/packages/py-xlrd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xlsxwriter/package.py b/var/spack/repos/builtin/packages/py-xlsxwriter/package.py
index 0922950951359c3631024e02dfb650a2daf58106..af6dd10d7cf420fab2b5f328cc88265f64f6bb58 100644
--- a/var/spack/repos/builtin/packages/py-xlsxwriter/package.py
+++ b/var/spack/repos/builtin/packages/py-xlsxwriter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xmlrunner/package.py b/var/spack/repos/builtin/packages/py-xmlrunner/package.py
index 274962748f77aefbde608a294fb598667fddb4ba..aa469b6b40b414e66915ec11cb5c570baf3a401f 100644
--- a/var/spack/repos/builtin/packages/py-xmlrunner/package.py
+++ b/var/spack/repos/builtin/packages/py-xmlrunner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xopen/package.py b/var/spack/repos/builtin/packages/py-xopen/package.py
index b380244f6c93f121927dd693a1b629e55160806f..0d2121e85504b29d02923f8661585602194225dc 100644
--- a/var/spack/repos/builtin/packages/py-xopen/package.py
+++ b/var/spack/repos/builtin/packages/py-xopen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xpyb/package.py b/var/spack/repos/builtin/packages/py-xpyb/package.py
index 6d59a2a0848f2063cd4af34cb1614fc3c0b4f90b..11e73d24b0e065cd2a38580509b0888314028653 100644
--- a/var/spack/repos/builtin/packages/py-xpyb/package.py
+++ b/var/spack/repos/builtin/packages/py-xpyb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-xvfbwrapper/package.py b/var/spack/repos/builtin/packages/py-xvfbwrapper/package.py
index c4c93410cc4e6257776d6cda1d770832dcf35eec..18b08b266f950792a2ec8a178856a30ce86a2738 100644
--- a/var/spack/repos/builtin/packages/py-xvfbwrapper/package.py
+++ b/var/spack/repos/builtin/packages/py-xvfbwrapper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-yamlreader/package.py b/var/spack/repos/builtin/packages/py-yamlreader/package.py
index 1ec242856bd2a11a391a26e8c63f89170b552078..66c7be55ed0b0ca2adb4c4260a56d5e47950efdc 100644
--- a/var/spack/repos/builtin/packages/py-yamlreader/package.py
+++ b/var/spack/repos/builtin/packages/py-yamlreader/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-yapf/package.py b/var/spack/repos/builtin/packages/py-yapf/package.py
index 0ae6a0a4246e0e5ed1b02482ac2d0c4da9fea689..1b71fbe2ba6c1a7a52f6cdfd4dc507d3ab23c9f9 100644
--- a/var/spack/repos/builtin/packages/py-yapf/package.py
+++ b/var/spack/repos/builtin/packages/py-yapf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-yt/package.py b/var/spack/repos/builtin/packages/py-yt/package.py
index 94b7583b8af0a2d61019a1d2ddd4d6778ebcc1f1..9344fe74632f19776f494cdc4b61838a632a02fb 100644
--- a/var/spack/repos/builtin/packages/py-yt/package.py
+++ b/var/spack/repos/builtin/packages/py-yt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/py-ytopt/package.py b/var/spack/repos/builtin/packages/py-ytopt/package.py
index 77b65d75dd91f77a0291ca463484861b4f7c0581..ec70d6c06da7751542c70c450e467ac42a3ec5ce 100644
--- a/var/spack/repos/builtin/packages/py-ytopt/package.py
+++ b/var/spack/repos/builtin/packages/py-ytopt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-zmq/package.py b/var/spack/repos/builtin/packages/py-zmq/package.py
index b6a7c7cd0cc2553486b560376fcd7a2c934e1eb7..51a13ddaf246c400e188f9da528436d1c20bf72d 100644
--- a/var/spack/repos/builtin/packages/py-zmq/package.py
+++ b/var/spack/repos/builtin/packages/py-zmq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-zope-event/package.py b/var/spack/repos/builtin/packages/py-zope-event/package.py
index ab017b3d02b77be56172387b00e9414eae94a34b..a2f0e6ecc11042dba19d6cfbf7ab2198efde37cc 100644
--- a/var/spack/repos/builtin/packages/py-zope-event/package.py
+++ b/var/spack/repos/builtin/packages/py-zope-event/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/py-zope-interface/package.py b/var/spack/repos/builtin/packages/py-zope-interface/package.py
index 001ba23f3d9b519b59697c1116b364a4611c454c..0fd1b3bee56fa9d8c470137658e4b9d4a2509d6f 100644
--- a/var/spack/repos/builtin/packages/py-zope-interface/package.py
+++ b/var/spack/repos/builtin/packages/py-zope-interface/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/pythia6/package.py b/var/spack/repos/builtin/packages/pythia6/package.py
index 79670929342c6da6ff97df150fe6df8f57f6e873..800073bf4109e985ff1bea43bbfa2daa1d3e02ef 100644
--- a/var/spack/repos/builtin/packages/pythia6/package.py
+++ b/var/spack/repos/builtin/packages/pythia6/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import numbers
 import os
diff --git a/var/spack/repos/builtin/packages/python/package.py b/var/spack/repos/builtin/packages/python/package.py
index 8342be482f990aeaf72a2b488e16d05ead97f160..6d8823cc64e06cc51309434652bc0c96ec5e80e1 100644
--- a/var/spack/repos/builtin/packages/python/package.py
+++ b/var/spack/repos/builtin/packages/python/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import ast
 import os
 import platform
diff --git a/var/spack/repos/builtin/packages/qbank/package.py b/var/spack/repos/builtin/packages/qbank/package.py
index 09357ad76cb5f46218d42f58e6a0e991fcee0f82..30133052b4c9fb80c62d52ffee7c2b142788436a 100644
--- a/var/spack/repos/builtin/packages/qbank/package.py
+++ b/var/spack/repos/builtin/packages/qbank/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/qbox/package.py b/var/spack/repos/builtin/packages/qbox/package.py
index 805a567e552ce442818dd6da54d89db5b77ea3bf..0bd70f444593a09943f4132b1d69ea9e5e6a8974 100644
--- a/var/spack/repos/builtin/packages/qbox/package.py
+++ b/var/spack/repos/builtin/packages/qbox/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/qhull/package.py b/var/spack/repos/builtin/packages/qhull/package.py
index 006b3284af6ced2ed542bd213fc917b115fbeb2d..9bdfcab3415c4fe30c042d64c838c4c56ea2ab02 100644
--- a/var/spack/repos/builtin/packages/qhull/package.py
+++ b/var/spack/repos/builtin/packages/qhull/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/qmcpack/package.py b/var/spack/repos/builtin/packages/qmcpack/package.py
index 7d364baa3172aa2f1c80f06b1661a837d90016d2..0e9169a4812909172dde3005b525290997320df8 100644
--- a/var/spack/repos/builtin/packages/qmcpack/package.py
+++ b/var/spack/repos/builtin/packages/qmcpack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import llnl.util.tty as tty
 
diff --git a/var/spack/repos/builtin/packages/qmd-progress/package.py b/var/spack/repos/builtin/packages/qmd-progress/package.py
index e4c05030ea6bc07c2b2ff2e10f4411d3ed836167..ea872176895c7ee4dd044b81585e8b2ca2773278 100644
--- a/var/spack/repos/builtin/packages/qmd-progress/package.py
+++ b/var/spack/repos/builtin/packages/qmd-progress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/qorts/package.py b/var/spack/repos/builtin/packages/qorts/package.py
index 7e745dc3046c633bf819d8e9fb68064640a916be..5b1c811e5f593b6bebaf582a4d65469d105c35d0 100644
--- a/var/spack/repos/builtin/packages/qorts/package.py
+++ b/var/spack/repos/builtin/packages/qorts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/qrupdate/package.py b/var/spack/repos/builtin/packages/qrupdate/package.py
index aaeb5565e1b6ee7277ea7c60a1032398d179bd47..915f6615e84b2149bd7354425c19c16898b7051a 100644
--- a/var/spack/repos/builtin/packages/qrupdate/package.py
+++ b/var/spack/repos/builtin/packages/qrupdate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 from spack import *
diff --git a/var/spack/repos/builtin/packages/qt-creator/package.py b/var/spack/repos/builtin/packages/qt-creator/package.py
index 2f1d15b2196534b34d7838c0397b69a425ebcbe1..05581edae44be813f7d8867744a9925502f8232e 100644
--- a/var/spack/repos/builtin/packages/qt-creator/package.py
+++ b/var/spack/repos/builtin/packages/qt-creator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/qt/package.py b/var/spack/repos/builtin/packages/qt/package.py
index 18fe4c16aee6b09d0d57f05d337d0ab7fcda348b..443e40be9d695e78a5df3be2dbeed34556020125 100644
--- a/var/spack/repos/builtin/packages/qt/package.py
+++ b/var/spack/repos/builtin/packages/qt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import platform
 import os
diff --git a/var/spack/repos/builtin/packages/qtgraph/package.py b/var/spack/repos/builtin/packages/qtgraph/package.py
index 57d374d902e5619ff55bfabbd905ab186d97d0ba..012bce84f243b9a9539625ef08f9a04eb9aafac7 100644
--- a/var/spack/repos/builtin/packages/qtgraph/package.py
+++ b/var/spack/repos/builtin/packages/qtgraph/package.py
@@ -1,44 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-##############################################################################
-# Copyright (c) 2015-2017 Krell Institute. All Rights Reserved.
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; either version 2 of the License, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-# more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
-# Place, Suite 330, Boston, MA  02111-1307  USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/qthreads/package.py b/var/spack/repos/builtin/packages/qthreads/package.py
index e089f5546cf2be28d8f687faf7f8115a04b9eb22..f1796099aa95c22e643564b6a5e4c6dcecbfc29b 100644
--- a/var/spack/repos/builtin/packages/qthreads/package.py
+++ b/var/spack/repos/builtin/packages/qthreads/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/quantum-espresso/package.py b/var/spack/repos/builtin/packages/quantum-espresso/package.py
index 989dba3147d02694ac4b851b2dd8b8200a2fb33f..7c1310ec31146b1fa015b66c2fbf299fd6440ac2 100644
--- a/var/spack/repos/builtin/packages/quantum-espresso/package.py
+++ b/var/spack/repos/builtin/packages/quantum-espresso/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import glob
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/quinoa/package.py b/var/spack/repos/builtin/packages/quinoa/package.py
index 2f9f91a86668a6f7b54719d06b40af29bdc5859b..61a933b378b4becb5bc8934ff5533b00a1202a9d 100644
--- a/var/spack/repos/builtin/packages/quinoa/package.py
+++ b/var/spack/repos/builtin/packages/quinoa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/qwt/package.py b/var/spack/repos/builtin/packages/qwt/package.py
index 3c30e264615e6953b97f1bc7c1bf04bbb7dfc7ba..1d996a62464e619e0d4033c3876a33f818909078 100644
--- a/var/spack/repos/builtin/packages/qwt/package.py
+++ b/var/spack/repos/builtin/packages/qwt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-a4/package.py b/var/spack/repos/builtin/packages/r-a4/package.py
index b32540f771091dd686841327bcad9a1d34b23af8..18b13c506eb80b5c8cd1a4f94cef05b8fae0aea0 100644
--- a/var/spack/repos/builtin/packages/r-a4/package.py
+++ b/var/spack/repos/builtin/packages/r-a4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-a4base/package.py b/var/spack/repos/builtin/packages/r-a4base/package.py
index 7bc66f0db68a20029d35e41f17e4bc1a0f428249..0e76c245f3b07291c6409920967ce83aa554ae5a 100644
--- a/var/spack/repos/builtin/packages/r-a4base/package.py
+++ b/var/spack/repos/builtin/packages/r-a4base/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-a4classif/package.py b/var/spack/repos/builtin/packages/r-a4classif/package.py
index 75d87a3b0b81e4975d212613e69fc6c0a28f3205..8a2a5c40f564d2fd8f6c46cb0fef4e4b48eb230d 100644
--- a/var/spack/repos/builtin/packages/r-a4classif/package.py
+++ b/var/spack/repos/builtin/packages/r-a4classif/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-a4core/package.py b/var/spack/repos/builtin/packages/r-a4core/package.py
index 80798711586f044b943583060fc286418ab9b918..df2142be363402314d47ce48532f2754d4663705 100644
--- a/var/spack/repos/builtin/packages/r-a4core/package.py
+++ b/var/spack/repos/builtin/packages/r-a4core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-a4preproc/package.py b/var/spack/repos/builtin/packages/r-a4preproc/package.py
index 8517e776a5ca18ca2dde894488e9ff9df35ea9f0..08530cf7b4ea613b5fc21538769b11db2df0096f 100644
--- a/var/spack/repos/builtin/packages/r-a4preproc/package.py
+++ b/var/spack/repos/builtin/packages/r-a4preproc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-a4reporting/package.py b/var/spack/repos/builtin/packages/r-a4reporting/package.py
index 7a02e9a80004418885d33fa2446bf18dc31fc65f..f0f9f32065bf0bc1b808cb928d5e5d203f04feee 100644
--- a/var/spack/repos/builtin/packages/r-a4reporting/package.py
+++ b/var/spack/repos/builtin/packages/r-a4reporting/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-abadata/package.py b/var/spack/repos/builtin/packages/r-abadata/package.py
index c44c7110c8c63a7dd7fc6983e272699ecc20bcda..aa9796e3837356b85f408e8aef19921008e8b37e 100644
--- a/var/spack/repos/builtin/packages/r-abadata/package.py
+++ b/var/spack/repos/builtin/packages/r-abadata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-abaenrichment/package.py b/var/spack/repos/builtin/packages/r-abaenrichment/package.py
index 7be6dbb13f83d9d8276a8f36e39bc6091f1c7d03..c43a85c2145c95a89813e1db5a2cd3db9d74507e 100644
--- a/var/spack/repos/builtin/packages/r-abaenrichment/package.py
+++ b/var/spack/repos/builtin/packages/r-abaenrichment/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-abind/package.py b/var/spack/repos/builtin/packages/r-abind/package.py
index 92859458bcaf05c78af70a865f4439d9300f2587..d9e7b2d821e94bc53c50fde1a8e2980465c57c21 100644
--- a/var/spack/repos/builtin/packages/r-abind/package.py
+++ b/var/spack/repos/builtin/packages/r-abind/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-absseq/package.py b/var/spack/repos/builtin/packages/r-absseq/package.py
index 39cf5800d128246d465e45599501e8b3f5c439b8..46bcf022f02b7a915fcad73d95e9b10874f7f5b0 100644
--- a/var/spack/repos/builtin/packages/r-absseq/package.py
+++ b/var/spack/repos/builtin/packages/r-absseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-acde/package.py b/var/spack/repos/builtin/packages/r-acde/package.py
index 22342d9790c4397a8c6e457c9977ba4761032663..6abcd589ae8a5e6c9fbf16275928c5388b1f3289 100644
--- a/var/spack/repos/builtin/packages/r-acde/package.py
+++ b/var/spack/repos/builtin/packages/r-acde/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-acepack/package.py b/var/spack/repos/builtin/packages/r-acepack/package.py
index 787cfc3bc103ee48ce7ae4295c77a5fa0b89d669..29a91b8a114982ed7089256b77d6c7c8f4ff9c47 100644
--- a/var/spack/repos/builtin/packages/r-acepack/package.py
+++ b/var/spack/repos/builtin/packages/r-acepack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-acgh/package.py b/var/spack/repos/builtin/packages/r-acgh/package.py
index a929fe6781bcbe25f7763803d3cf823d5701625a..54db729af38b009b5279fc5d981c1ef7ed2af7b3 100644
--- a/var/spack/repos/builtin/packages/r-acgh/package.py
+++ b/var/spack/repos/builtin/packages/r-acgh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-acme/package.py b/var/spack/repos/builtin/packages/r-acme/package.py
index ef04920ff05c2ee57a8b99bbb40c641f30f38234..d4263bfcc8184641c642bee53485a4a27d44c50a 100644
--- a/var/spack/repos/builtin/packages/r-acme/package.py
+++ b/var/spack/repos/builtin/packages/r-acme/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ada/package.py b/var/spack/repos/builtin/packages/r-ada/package.py
index c17af7f7e5da9d3b409861556ac68785590bcba1..eecb780fb0ab78ccae3ebee649d42a2612810ef0 100644
--- a/var/spack/repos/builtin/packages/r-ada/package.py
+++ b/var/spack/repos/builtin/packages/r-ada/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-adabag/package.py b/var/spack/repos/builtin/packages/r-adabag/package.py
index 265a2e835ca35fc61a50785c4a5dd49eda24fdeb..1e07829d5c710bd6da0f5989f48ecbc2ca71d38d 100644
--- a/var/spack/repos/builtin/packages/r-adabag/package.py
+++ b/var/spack/repos/builtin/packages/r-adabag/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ade4/package.py b/var/spack/repos/builtin/packages/r-ade4/package.py
index 60bae438329f6a81c050c596ff86e16ba6a75b14..b3acb086e9da271ff7da9722f39f3640f8563834 100644
--- a/var/spack/repos/builtin/packages/r-ade4/package.py
+++ b/var/spack/repos/builtin/packages/r-ade4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-adegenet/package.py b/var/spack/repos/builtin/packages/r-adegenet/package.py
index de4b358cfb60f26949c789c156cfd265043d01b7..754fb4ac22f8ec267e8fc68cc63d3d94a9433530 100644
--- a/var/spack/repos/builtin/packages/r-adegenet/package.py
+++ b/var/spack/repos/builtin/packages/r-adegenet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-adsplit/package.py b/var/spack/repos/builtin/packages/r-adsplit/package.py
index 0839856872a59e82ac7f95a3e2871840f2b623ce..d2a9f44352d8f2381dfa017ef25ada26b2d8b52a 100644
--- a/var/spack/repos/builtin/packages/r-adsplit/package.py
+++ b/var/spack/repos/builtin/packages/r-adsplit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-aer/package.py b/var/spack/repos/builtin/packages/r-aer/package.py
index 58dcc60eab1587ee0a2242f1652ed2dc50a3686e..830d4d74c6023410ae379516c7ef09cc5521355c 100644
--- a/var/spack/repos/builtin/packages/r-aer/package.py
+++ b/var/spack/repos/builtin/packages/r-aer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affxparser/package.py b/var/spack/repos/builtin/packages/r-affxparser/package.py
index 1440802f2372e233366962a7dc120e3fd9ac7f2c..79522cac960717d425fa70c0e6ff58239437a81f 100644
--- a/var/spack/repos/builtin/packages/r-affxparser/package.py
+++ b/var/spack/repos/builtin/packages/r-affxparser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affy/package.py b/var/spack/repos/builtin/packages/r-affy/package.py
index 2d1637673ad20dc14f67cf9b0894dd1bcb2ac695..eb361b1b953977569a5052b43740019b045d6909 100644
--- a/var/spack/repos/builtin/packages/r-affy/package.py
+++ b/var/spack/repos/builtin/packages/r-affy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affycomp/package.py b/var/spack/repos/builtin/packages/r-affycomp/package.py
index d153ad2052c40bc223867cac848ea240317e0f3d..329ffe1ed2886320a2ab35c71e6dc161f5c7094c 100644
--- a/var/spack/repos/builtin/packages/r-affycomp/package.py
+++ b/var/spack/repos/builtin/packages/r-affycomp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affycompatible/package.py b/var/spack/repos/builtin/packages/r-affycompatible/package.py
index 9499c20ab06fcdbe4c8e1127864d4cfbffad2a8c..de43dc9f9b6adf13e58478fccf1937a779aca39e 100644
--- a/var/spack/repos/builtin/packages/r-affycompatible/package.py
+++ b/var/spack/repos/builtin/packages/r-affycompatible/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affycontam/package.py b/var/spack/repos/builtin/packages/r-affycontam/package.py
index 994684e1c70b4ac1c87f6a2e0dea0b0e430d5f65..f44105ce13a125650d490d2c9e460bb73d03335f 100644
--- a/var/spack/repos/builtin/packages/r-affycontam/package.py
+++ b/var/spack/repos/builtin/packages/r-affycontam/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affycoretools/package.py b/var/spack/repos/builtin/packages/r-affycoretools/package.py
index 4156c9d46056e4411b3e03b61cdf99bfb4971481..b2023e7084c8a940e876b851771870a07a81641e 100644
--- a/var/spack/repos/builtin/packages/r-affycoretools/package.py
+++ b/var/spack/repos/builtin/packages/r-affycoretools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affydata/package.py b/var/spack/repos/builtin/packages/r-affydata/package.py
index 194f90cd08c047197f0681f38112f8ff4626bebb..ac720a17939c860cddf292c95550fe941576e973 100644
--- a/var/spack/repos/builtin/packages/r-affydata/package.py
+++ b/var/spack/repos/builtin/packages/r-affydata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affyexpress/package.py b/var/spack/repos/builtin/packages/r-affyexpress/package.py
index 2077f0137744bfcc1059923e021d6108672c2894..ec99f7bdce7c986a299a067c6de62baa10bc243b 100644
--- a/var/spack/repos/builtin/packages/r-affyexpress/package.py
+++ b/var/spack/repos/builtin/packages/r-affyexpress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affyilm/package.py b/var/spack/repos/builtin/packages/r-affyilm/package.py
index 5be8e7e95dc202a15c608000139bb8a6b8b733d8..baa61ac6e0858ac18a15cdb546bf293539416c44 100644
--- a/var/spack/repos/builtin/packages/r-affyilm/package.py
+++ b/var/spack/repos/builtin/packages/r-affyilm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affyio/package.py b/var/spack/repos/builtin/packages/r-affyio/package.py
index 2950776157c6d0fbc86419e32a21400d4f686173..973fdd757c9bf0a87ac49808d748c5eef15fc0a5 100644
--- a/var/spack/repos/builtin/packages/r-affyio/package.py
+++ b/var/spack/repos/builtin/packages/r-affyio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affypdnn/package.py b/var/spack/repos/builtin/packages/r-affypdnn/package.py
index e08b6a5bad1ccd8d84f8f0c2e0c60b8f09f7d056..f7cfaa20a69f2a7b5703c65f15095a00399bcd2b 100644
--- a/var/spack/repos/builtin/packages/r-affypdnn/package.py
+++ b/var/spack/repos/builtin/packages/r-affypdnn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affyplm/package.py b/var/spack/repos/builtin/packages/r-affyplm/package.py
index ac52e2fba314099c50f2e17f82a6d239c4e39484..1690ce430b436c2c5a4f89a0ab8959116401b31b 100644
--- a/var/spack/repos/builtin/packages/r-affyplm/package.py
+++ b/var/spack/repos/builtin/packages/r-affyplm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affyqcreport/package.py b/var/spack/repos/builtin/packages/r-affyqcreport/package.py
index d983861890abf9a73848a79435be56b201dec23a..cb78a3d887727adf84f66d3b635239139da0dd02 100644
--- a/var/spack/repos/builtin/packages/r-affyqcreport/package.py
+++ b/var/spack/repos/builtin/packages/r-affyqcreport/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-affyrnadegradation/package.py b/var/spack/repos/builtin/packages/r-affyrnadegradation/package.py
index 0201cb6324c31485132034cfab68b2d8ac4e0d6b..b3cbabcc1271e303ac118610d7fe91a94eaa82a5 100644
--- a/var/spack/repos/builtin/packages/r-affyrnadegradation/package.py
+++ b/var/spack/repos/builtin/packages/r-affyrnadegradation/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-agdex/package.py b/var/spack/repos/builtin/packages/r-agdex/package.py
index 6872f566421eac0df29a2455c20807eae003e8f5..85275712fb665ccccf85ed1dac5607c4e84da961 100644
--- a/var/spack/repos/builtin/packages/r-agdex/package.py
+++ b/var/spack/repos/builtin/packages/r-agdex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-agilp/package.py b/var/spack/repos/builtin/packages/r-agilp/package.py
index a89ef223d433d038adc6cdc17f6f5d99ee5c71b0..9b90fca17a930bdb887726b03074d06cf121aeb9 100644
--- a/var/spack/repos/builtin/packages/r-agilp/package.py
+++ b/var/spack/repos/builtin/packages/r-agilp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-agimicrorna/package.py b/var/spack/repos/builtin/packages/r-agimicrorna/package.py
index e311c4a32ee5be889f57dda646d4f4fc2048c743..c509634f77532cd692d170a3ee1515c9d24c371e 100644
--- a/var/spack/repos/builtin/packages/r-agimicrorna/package.py
+++ b/var/spack/repos/builtin/packages/r-agimicrorna/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-aims/package.py b/var/spack/repos/builtin/packages/r-aims/package.py
index e0b132f85d4ee86a499b40312d4586b45348441c..9d87e9905263e3b38ba984a6920d72e004f38dbe 100644
--- a/var/spack/repos/builtin/packages/r-aims/package.py
+++ b/var/spack/repos/builtin/packages/r-aims/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-aldex2/package.py b/var/spack/repos/builtin/packages/r-aldex2/package.py
index 6305c13b49872d4c58e5b996fd4290f445a406d1..1a1912a32ea2efa548aa7a7d4965d4b21554a7c7 100644
--- a/var/spack/repos/builtin/packages/r-aldex2/package.py
+++ b/var/spack/repos/builtin/packages/r-aldex2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-allelicimbalance/package.py b/var/spack/repos/builtin/packages/r-allelicimbalance/package.py
index b3440cd6fd131ffd415dcb537e17c60a68a8902f..6e5b2a40881edf9e029a59998687054cae3730fc 100644
--- a/var/spack/repos/builtin/packages/r-allelicimbalance/package.py
+++ b/var/spack/repos/builtin/packages/r-allelicimbalance/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-alpine/package.py b/var/spack/repos/builtin/packages/r-alpine/package.py
index 9f7e5dc9b66f77756e90cb48d63b7fad4317459c..2d3666642e2bc256bce7b2d8da53bfc94794c90d 100644
--- a/var/spack/repos/builtin/packages/r-alpine/package.py
+++ b/var/spack/repos/builtin/packages/r-alpine/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-als/package.py b/var/spack/repos/builtin/packages/r-als/package.py
index 3198ebc44f4857f713c609d431ecff178c322bcb..9102e21b32c86c26784343403db47aa089bc43d8 100644
--- a/var/spack/repos/builtin/packages/r-als/package.py
+++ b/var/spack/repos/builtin/packages/r-als/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-alsace/package.py b/var/spack/repos/builtin/packages/r-alsace/package.py
index 401e2ce3801b2e925771b6a9d6669743380e4fa8..cc6eb65902654b43b535f20b14a42be0ba1c2fbc 100644
--- a/var/spack/repos/builtin/packages/r-alsace/package.py
+++ b/var/spack/repos/builtin/packages/r-alsace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-altcdfenvs/package.py b/var/spack/repos/builtin/packages/r-altcdfenvs/package.py
index e994ee19496e0e8f4edb3068bfe3f40f6c906e4b..9853b0cda8b05fa64821e79864551e643637379e 100644
--- a/var/spack/repos/builtin/packages/r-altcdfenvs/package.py
+++ b/var/spack/repos/builtin/packages/r-altcdfenvs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-amap/package.py b/var/spack/repos/builtin/packages/r-amap/package.py
index b83cd017b59db537f07281dc652e44d6ccdb2983..d783a8220a5cea36d368e4a6d4c9a4c2f247c828 100644
--- a/var/spack/repos/builtin/packages/r-amap/package.py
+++ b/var/spack/repos/builtin/packages/r-amap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ampliqueso/package.py b/var/spack/repos/builtin/packages/r-ampliqueso/package.py
index 47239e3ceff08ad32d045a6b8162111eafae7b36..ec0ec337e15be592079913cb7aeb7c4827c9c806 100644
--- a/var/spack/repos/builtin/packages/r-ampliqueso/package.py
+++ b/var/spack/repos/builtin/packages/r-ampliqueso/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-analysispageserver/package.py b/var/spack/repos/builtin/packages/r-analysispageserver/package.py
index 59f3d906e47177e9ff88d477308b204edff7ef91..f37f3b0daa0d9eee15b86a037dc99d1313813c9b 100644
--- a/var/spack/repos/builtin/packages/r-analysispageserver/package.py
+++ b/var/spack/repos/builtin/packages/r-analysispageserver/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-anaquin/package.py b/var/spack/repos/builtin/packages/r-anaquin/package.py
index 2436acfd51071abef153a01025f8d9e5782bdbb9..2cf761c2b09c6deb06dd4d81779ed1ff2081b75d 100644
--- a/var/spack/repos/builtin/packages/r-anaquin/package.py
+++ b/var/spack/repos/builtin/packages/r-anaquin/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-aneufinder/package.py b/var/spack/repos/builtin/packages/r-aneufinder/package.py
index d01f13f3338d439eece35d40c0cbfdfd447d4402..4123db13c590b42993577642a7081225ac784cfe 100644
--- a/var/spack/repos/builtin/packages/r-aneufinder/package.py
+++ b/var/spack/repos/builtin/packages/r-aneufinder/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-aneufinderdata/package.py b/var/spack/repos/builtin/packages/r-aneufinderdata/package.py
index f6c6279ad5230c684be6727f723876b4af06b961..dde20609af2d2112bc25c18ba7c444551c79e10a 100644
--- a/var/spack/repos/builtin/packages/r-aneufinderdata/package.py
+++ b/var/spack/repos/builtin/packages/r-aneufinderdata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-animation/package.py b/var/spack/repos/builtin/packages/r-animation/package.py
index 29d865668e6e262f250ed9d28fca71e20e174ccd..298a38b12135b6bd66cc5b32e82477d8a5f2cb3d 100644
--- a/var/spack/repos/builtin/packages/r-animation/package.py
+++ b/var/spack/repos/builtin/packages/r-animation/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-annaffy/package.py b/var/spack/repos/builtin/packages/r-annaffy/package.py
index 9968fcea045eedb54997daeb98cecd09d413095d..af47b5f193677176bc8ef0b7492e815cf1d1095a 100644
--- a/var/spack/repos/builtin/packages/r-annaffy/package.py
+++ b/var/spack/repos/builtin/packages/r-annaffy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 #
 from spack import *
diff --git a/var/spack/repos/builtin/packages/r-annotate/package.py b/var/spack/repos/builtin/packages/r-annotate/package.py
index dfe682f1c1a67e470551c987be89e15cb975d272..09e367cb3561b9c886bc3d178b6b76597b21b2d0 100644
--- a/var/spack/repos/builtin/packages/r-annotate/package.py
+++ b/var/spack/repos/builtin/packages/r-annotate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-annotationdbi/package.py b/var/spack/repos/builtin/packages/r-annotationdbi/package.py
index 4f5b3fc4d24a4870747b14c4b05faf2345969414..d6a66236ce53a5331a577dd303dc3e1acc623394 100644
--- a/var/spack/repos/builtin/packages/r-annotationdbi/package.py
+++ b/var/spack/repos/builtin/packages/r-annotationdbi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-annotationfilter/package.py b/var/spack/repos/builtin/packages/r-annotationfilter/package.py
index 3337589be862054c3ff59299ec5c366debb6a119..b6c39cac1ec97ca976df6d2b91f29b88a621f95f 100644
--- a/var/spack/repos/builtin/packages/r-annotationfilter/package.py
+++ b/var/spack/repos/builtin/packages/r-annotationfilter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-annotationforge/package.py b/var/spack/repos/builtin/packages/r-annotationforge/package.py
index bb1f91a57946e3242bea81a82cffafdbf03090b1..41dfa85c2563f8e5fa4d2e775b6f0a997b5df2ae 100644
--- a/var/spack/repos/builtin/packages/r-annotationforge/package.py
+++ b/var/spack/repos/builtin/packages/r-annotationforge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-annotationhub/package.py b/var/spack/repos/builtin/packages/r-annotationhub/package.py
index 5d93003cce5135bad9844a14fbfbd896950ee140..92fe597a9499d2de06478bbbef4fa410f8af8b3a 100644
--- a/var/spack/repos/builtin/packages/r-annotationhub/package.py
+++ b/var/spack/repos/builtin/packages/r-annotationhub/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ape/package.py b/var/spack/repos/builtin/packages/r-ape/package.py
index dc9664c9f933ac32cc2cbf20bc6971827d31a5b7..63f1dfed6b528d9d3e24ef695d5962ce8a13c4bd 100644
--- a/var/spack/repos/builtin/packages/r-ape/package.py
+++ b/var/spack/repos/builtin/packages/r-ape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-argparse/package.py b/var/spack/repos/builtin/packages/r-argparse/package.py
index 95b16e39e738bb2cd9dee9510ef856ce982b29c0..25c8c5379aed71b270310a3e6fb1fbec03ed482d 100644
--- a/var/spack/repos/builtin/packages/r-argparse/package.py
+++ b/var/spack/repos/builtin/packages/r-argparse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-assertthat/package.py b/var/spack/repos/builtin/packages/r-assertthat/package.py
index 61655cf63024ab36620a625d8704f90a11a0aebb..331e13d887e566c63c0cb15a8fb6d5a171874a7b 100644
--- a/var/spack/repos/builtin/packages/r-assertthat/package.py
+++ b/var/spack/repos/builtin/packages/r-assertthat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-backports/package.py b/var/spack/repos/builtin/packages/r-backports/package.py
index 8eee7cdbbc9a4239d160d63eb65d88b4cb720ef7..97303b92dae82e994d645a8d9737d06d944d82de 100644
--- a/var/spack/repos/builtin/packages/r-backports/package.py
+++ b/var/spack/repos/builtin/packages/r-backports/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bamsignals/package.py b/var/spack/repos/builtin/packages/r-bamsignals/package.py
index 3c354bc342b53438ca5cffba5ffdc877e74f2bb6..78310f5f4ce55a07f10cd58fe5130828e5d4012f 100644
--- a/var/spack/repos/builtin/packages/r-bamsignals/package.py
+++ b/var/spack/repos/builtin/packages/r-bamsignals/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-base64/package.py b/var/spack/repos/builtin/packages/r-base64/package.py
index 8b889fa4273ae90dca1ea2066f3d379a213bd6d4..6a599a62f0a73276e5cef034e1218a7b8d40ca14 100644
--- a/var/spack/repos/builtin/packages/r-base64/package.py
+++ b/var/spack/repos/builtin/packages/r-base64/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-base64enc/package.py b/var/spack/repos/builtin/packages/r-base64enc/package.py
index 4b895fc1e5af24ce87b79e6ad03a03189c28ab89..7424fefe8f6b53520f021d521f5a15f19dd8472d 100644
--- a/var/spack/repos/builtin/packages/r-base64enc/package.py
+++ b/var/spack/repos/builtin/packages/r-base64enc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bbmisc/package.py b/var/spack/repos/builtin/packages/r-bbmisc/package.py
index 2b29dcfcc7b9c53b4232a5aeea9b2ac92d5f47f5..f8cee5cec61995c8074d33c378ae7395e26545bc 100644
--- a/var/spack/repos/builtin/packages/r-bbmisc/package.py
+++ b/var/spack/repos/builtin/packages/r-bbmisc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-beanplot/package.py b/var/spack/repos/builtin/packages/r-beanplot/package.py
index 99f2a2606282358fee28b5e827e5e06d6c65ac26..34760038fb8b752442909f217ac0fe5c24b9d763 100644
--- a/var/spack/repos/builtin/packages/r-beanplot/package.py
+++ b/var/spack/repos/builtin/packages/r-beanplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bh/package.py b/var/spack/repos/builtin/packages/r-bh/package.py
index cb1192d7e44b71b3afac07e2aea4492fbcda85d7..54ed774931b1a538d025f5c1d79b344216ebb0f1 100644
--- a/var/spack/repos/builtin/packages/r-bh/package.py
+++ b/var/spack/repos/builtin/packages/r-bh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biasedurn/package.py b/var/spack/repos/builtin/packages/r-biasedurn/package.py
index eb8329cd1e080b501c75c38f255002fc3a46e8c7..258788ebdd64f74cc22e8bcff72c42aa378dc3b8 100644
--- a/var/spack/repos/builtin/packages/r-biasedurn/package.py
+++ b/var/spack/repos/builtin/packages/r-biasedurn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bindr/package.py b/var/spack/repos/builtin/packages/r-bindr/package.py
index 36dc37655c35d94c237551cd47393d79c79f4152..e874ac264ff9f7e312802c5b97ddd8fa192b25ff 100644
--- a/var/spack/repos/builtin/packages/r-bindr/package.py
+++ b/var/spack/repos/builtin/packages/r-bindr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bindrcpp/package.py b/var/spack/repos/builtin/packages/r-bindrcpp/package.py
index 8406c4915be567b9ecffa85f138582a3a6656be6..78d50af84ee507c79955138f6c0106435a51172c 100644
--- a/var/spack/repos/builtin/packages/r-bindrcpp/package.py
+++ b/var/spack/repos/builtin/packages/r-bindrcpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biobase/package.py b/var/spack/repos/builtin/packages/r-biobase/package.py
index 02ea8884460cb656bb4d7774c628af9c6f8a3049..015522735cfb5b263d8933d37f51f0e92eac961b 100644
--- a/var/spack/repos/builtin/packages/r-biobase/package.py
+++ b/var/spack/repos/builtin/packages/r-biobase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-biocgenerics/package.py b/var/spack/repos/builtin/packages/r-biocgenerics/package.py
index c28eb8e803e235d75164ee38203ffa92a3800aa4..b6758db35804e3983d01aa66d825346b7afed92c 100644
--- a/var/spack/repos/builtin/packages/r-biocgenerics/package.py
+++ b/var/spack/repos/builtin/packages/r-biocgenerics/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biocinstaller/package.py b/var/spack/repos/builtin/packages/r-biocinstaller/package.py
index 3cf25e679e3ca5a0e5e99ff3856801b4bfeacf59..a3cc8e471e68ce52980abd24a748c81ca129bdab 100644
--- a/var/spack/repos/builtin/packages/r-biocinstaller/package.py
+++ b/var/spack/repos/builtin/packages/r-biocinstaller/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biocparallel/package.py b/var/spack/repos/builtin/packages/r-biocparallel/package.py
index 0f6c2d82b11e423be38d46d030175354b36a5905..37d0b93375306977ea04dde898cd92c6d666836e 100644
--- a/var/spack/repos/builtin/packages/r-biocparallel/package.py
+++ b/var/spack/repos/builtin/packages/r-biocparallel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biocstyle/package.py b/var/spack/repos/builtin/packages/r-biocstyle/package.py
index 630f7ddab733955e11caaf9875624d37b0de759f..411b2549fa4f10378a661ccba2743757014a7b8e 100644
--- a/var/spack/repos/builtin/packages/r-biocstyle/package.py
+++ b/var/spack/repos/builtin/packages/r-biocstyle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biom-utils/package.py b/var/spack/repos/builtin/packages/r-biom-utils/package.py
index fb27071d49e73c74f476994e62655df22d135fd1..0848aec70ae5fe7de56a98c4c85c84e178638a39 100644
--- a/var/spack/repos/builtin/packages/r-biom-utils/package.py
+++ b/var/spack/repos/builtin/packages/r-biom-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biomart/package.py b/var/spack/repos/builtin/packages/r-biomart/package.py
index fd5a83d0c4dcea3ab5a391f7b944a1ed597519a3..b74a6794baea05adb4d3a161414cec2dfcbcfb14 100644
--- a/var/spack/repos/builtin/packages/r-biomart/package.py
+++ b/var/spack/repos/builtin/packages/r-biomart/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biomformat/package.py b/var/spack/repos/builtin/packages/r-biomformat/package.py
index f428f41a5a3dbba0a1cd956ae79644add22e17e8..29c1d4e75caa062e1069e4d5e9af07c6c8d1ead1 100644
--- a/var/spack/repos/builtin/packages/r-biomformat/package.py
+++ b/var/spack/repos/builtin/packages/r-biomformat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biostrings/package.py b/var/spack/repos/builtin/packages/r-biostrings/package.py
index 3658c531074201681aab9f65d2fe292157e12508..b6337f29b81930c48c468f4fbb637a638d137d5e 100644
--- a/var/spack/repos/builtin/packages/r-biostrings/package.py
+++ b/var/spack/repos/builtin/packages/r-biostrings/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-biovizbase/package.py b/var/spack/repos/builtin/packages/r-biovizbase/package.py
index ed61008d2632465aedca9bf5c616ab4af4e45ec0..0535c052d91ab9933b9297dbb15570746ee188dc 100644
--- a/var/spack/repos/builtin/packages/r-biovizbase/package.py
+++ b/var/spack/repos/builtin/packages/r-biovizbase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bit/package.py b/var/spack/repos/builtin/packages/r-bit/package.py
index e4e85cdfeb26d845b429380dec0ce42282aebee7..0d178c10f871b3a914f5614c8bb4b6b3fc85fed0 100644
--- a/var/spack/repos/builtin/packages/r-bit/package.py
+++ b/var/spack/repos/builtin/packages/r-bit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bit64/package.py b/var/spack/repos/builtin/packages/r-bit64/package.py
index 0b2e1ed795a94e407ba45a2296a9066ed68e4657..a8e8501f2fb08e992618d94dc0db939995c1b9bd 100644
--- a/var/spack/repos/builtin/packages/r-bit64/package.py
+++ b/var/spack/repos/builtin/packages/r-bit64/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bitops/package.py b/var/spack/repos/builtin/packages/r-bitops/package.py
index a64a0a9f8b239fd0332aead28f5c189d06e52035..2d61f87d170b1ef6edd075c916d6c97ba31611d8 100644
--- a/var/spack/repos/builtin/packages/r-bitops/package.py
+++ b/var/spack/repos/builtin/packages/r-bitops/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-blob/package.py b/var/spack/repos/builtin/packages/r-blob/package.py
index 80fc37732202e52f70d7745d83c0c473868d27c6..85e33a1ac4a2b2159b74f602e63213e28b0c287b 100644
--- a/var/spack/repos/builtin/packages/r-blob/package.py
+++ b/var/spack/repos/builtin/packages/r-blob/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bookdown/package.py b/var/spack/repos/builtin/packages/r-bookdown/package.py
index 146b4dbfc8dc1deb6b863793afc0b210601d8d8f..94d2ed08faf585b655d8d68ae4279d628421bf46 100644
--- a/var/spack/repos/builtin/packages/r-bookdown/package.py
+++ b/var/spack/repos/builtin/packages/r-bookdown/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-boot/package.py b/var/spack/repos/builtin/packages/r-boot/package.py
index 127c5ba7e483d8dc6842b67fdb7e553076794747..52df4caee550e7dec059cb8c6891c0240b188160 100644
--- a/var/spack/repos/builtin/packages/r-boot/package.py
+++ b/var/spack/repos/builtin/packages/r-boot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-brew/package.py b/var/spack/repos/builtin/packages/r-brew/package.py
index 881ebafe7b19199632c4dc0e4185f3b45c04ee8f..bf765a6627a857a0825ed43b06370c5d4d781073 100644
--- a/var/spack/repos/builtin/packages/r-brew/package.py
+++ b/var/spack/repos/builtin/packages/r-brew/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-broom/package.py b/var/spack/repos/builtin/packages/r-broom/package.py
index f9ab50902f58b96f3d34764823ebd87900c7c425..2daad5e49eaa49e5d8ce164f71bcebebb9f94f4a 100644
--- a/var/spack/repos/builtin/packages/r-broom/package.py
+++ b/var/spack/repos/builtin/packages/r-broom/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bsgenome/package.py b/var/spack/repos/builtin/packages/r-bsgenome/package.py
index 84f458d37e77dea80389b7b3a3632380ef5e95f7..3b2de6aeb7568e00938e9bf044ed57bc90e10665 100644
--- a/var/spack/repos/builtin/packages/r-bsgenome/package.py
+++ b/var/spack/repos/builtin/packages/r-bsgenome/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-bumphunter/package.py b/var/spack/repos/builtin/packages/r-bumphunter/package.py
index 825be998e3f15bd0e9dacc4864a67c6f02c9170d..8b952a7d977e73c1bf59f414e1a1b86fba12b180 100644
--- a/var/spack/repos/builtin/packages/r-bumphunter/package.py
+++ b/var/spack/repos/builtin/packages/r-bumphunter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-c50/package.py b/var/spack/repos/builtin/packages/r-c50/package.py
index 5f01837e98ee9bcb79ad024acfd91a4428c926e1..6e4a6f6b77551e1b4d43ec50cfb0988e48466e5f 100644
--- a/var/spack/repos/builtin/packages/r-c50/package.py
+++ b/var/spack/repos/builtin/packages/r-c50/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-callr/package.py b/var/spack/repos/builtin/packages/r-callr/package.py
index 6c406c9872100b85c330f86a9b1e04299cb2afa7..b6f28cbe3fd5f134ac21ad849dde162b824558bf 100644
--- a/var/spack/repos/builtin/packages/r-callr/package.py
+++ b/var/spack/repos/builtin/packages/r-callr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-car/package.py b/var/spack/repos/builtin/packages/r-car/package.py
index effeeb6a91cd5d0fdde4e437bcbfb6087862dbc0..e02a46e45e9d76c8812d1ee677b354a83e981c75 100644
--- a/var/spack/repos/builtin/packages/r-car/package.py
+++ b/var/spack/repos/builtin/packages/r-car/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-caret/package.py b/var/spack/repos/builtin/packages/r-caret/package.py
index af332cde36071e98b871d20fdc554a85bea45074..95bcf031309a4bac586d42dfe509629e3311d37b 100644
--- a/var/spack/repos/builtin/packages/r-caret/package.py
+++ b/var/spack/repos/builtin/packages/r-caret/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-category/package.py b/var/spack/repos/builtin/packages/r-category/package.py
index a262a4e91f87b8b4f38fd3d6cf4bb203801fbcb2..0b2949ef25da48907f8072a787e1afb7b352f5bf 100644
--- a/var/spack/repos/builtin/packages/r-category/package.py
+++ b/var/spack/repos/builtin/packages/r-category/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-catools/package.py b/var/spack/repos/builtin/packages/r-catools/package.py
index 6573e2d41b6fc200d74b144e03acb3c493c63e6a..2c1985022240faaa5a23f73a1e2c9445ca8ccac2 100644
--- a/var/spack/repos/builtin/packages/r-catools/package.py
+++ b/var/spack/repos/builtin/packages/r-catools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-cdcfluview/package.py b/var/spack/repos/builtin/packages/r-cdcfluview/package.py
index ccb914dacf189211abfe2cbcb457ac61ef023b88..541441c38a5a0450ea4265b4f88d9f148b994bf5 100644
--- a/var/spack/repos/builtin/packages/r-cdcfluview/package.py
+++ b/var/spack/repos/builtin/packages/r-cdcfluview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cellranger/package.py b/var/spack/repos/builtin/packages/r-cellranger/package.py
index c726715269add4bd337256ab95e09b36d72e0a7d..ca5e60048d38b8384e62cb5b7cea66e3f502a83d 100644
--- a/var/spack/repos/builtin/packages/r-cellranger/package.py
+++ b/var/spack/repos/builtin/packages/r-cellranger/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-checkmate/package.py b/var/spack/repos/builtin/packages/r-checkmate/package.py
index d90b4111897a413730cd9cb3404bf6b1eaeab1fc..0aff1514d42507fc34b28bc755d88d80555b106f 100644
--- a/var/spack/repos/builtin/packages/r-checkmate/package.py
+++ b/var/spack/repos/builtin/packages/r-checkmate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-checkpoint/package.py b/var/spack/repos/builtin/packages/r-checkpoint/package.py
index b9a175a358ca7d97e7a10545cc777cb4e532f8ab..517eed195aa3be056f538b2b0463d6e62f03ece6 100644
--- a/var/spack/repos/builtin/packages/r-checkpoint/package.py
+++ b/var/spack/repos/builtin/packages/r-checkpoint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-chemometrics/package.py b/var/spack/repos/builtin/packages/r-chemometrics/package.py
index 739bab2c36e50cec94367f34d622a62b2960aa48..4bf7932e2b53389a3daeca150ca91332deb0a70e 100644
--- a/var/spack/repos/builtin/packages/r-chemometrics/package.py
+++ b/var/spack/repos/builtin/packages/r-chemometrics/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-chron/package.py b/var/spack/repos/builtin/packages/r-chron/package.py
index 5324a4492a91b84cc2de7c8e61005f81e2692281..b7fcc3777f219df82a8970269f81161cbbd01eaf 100644
--- a/var/spack/repos/builtin/packages/r-chron/package.py
+++ b/var/spack/repos/builtin/packages/r-chron/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-circlize/package.py b/var/spack/repos/builtin/packages/r-circlize/package.py
index b326c2226de4418e5948e0f64dc8c0122dbb9b8c..5740e14d2b9573f689fbaef1754bb5cb53ffbe11 100644
--- a/var/spack/repos/builtin/packages/r-circlize/package.py
+++ b/var/spack/repos/builtin/packages/r-circlize/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-class/package.py b/var/spack/repos/builtin/packages/r-class/package.py
index 97816493a61a4f97902de9aad98cb9d00a3d570f..a0cc01075cbe0894d37a586151659e2734a40969 100644
--- a/var/spack/repos/builtin/packages/r-class/package.py
+++ b/var/spack/repos/builtin/packages/r-class/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-classint/package.py b/var/spack/repos/builtin/packages/r-classint/package.py
index 5eaa65292857e76ea389cec9506495f52de7ce1e..70095192941f1176041635629d0d34a69b8d50e3 100644
--- a/var/spack/repos/builtin/packages/r-classint/package.py
+++ b/var/spack/repos/builtin/packages/r-classint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cli/package.py b/var/spack/repos/builtin/packages/r-cli/package.py
index 2a4f61af9253ed2ee815aed33c5276439dfaf488..2b48e5fdb41ba4cb963542efd4ee9a5379fea4d7 100644
--- a/var/spack/repos/builtin/packages/r-cli/package.py
+++ b/var/spack/repos/builtin/packages/r-cli/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-clipr/package.py b/var/spack/repos/builtin/packages/r-clipr/package.py
index 6689f8b31bc84cd6068109d2eb85ebbf35532ede..c87ffa1f3c6241d387f5ea4636dc282a7bc1e7e3 100644
--- a/var/spack/repos/builtin/packages/r-clipr/package.py
+++ b/var/spack/repos/builtin/packages/r-clipr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cluster/package.py b/var/spack/repos/builtin/packages/r-cluster/package.py
index e1ff7957fcc6b553e3d1054064c82695900f94d3..cdde5da74fb2ce718654ed1e8edd747f2f88c8db 100644
--- a/var/spack/repos/builtin/packages/r-cluster/package.py
+++ b/var/spack/repos/builtin/packages/r-cluster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-clusterprofiler/package.py b/var/spack/repos/builtin/packages/r-clusterprofiler/package.py
index 8df5fccb70d7388cbab8a4f42efd0cc1a511e764..5a1f51dc9502a1e3a51cb94bec7ca6e85b78600d 100644
--- a/var/spack/repos/builtin/packages/r-clusterprofiler/package.py
+++ b/var/spack/repos/builtin/packages/r-clusterprofiler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cner/package.py b/var/spack/repos/builtin/packages/r-cner/package.py
index 77fd5f0274c0284e73d51ea24ead9c4078b062bf..8a96c0b0861b990093a5db112a396fe67def19ae 100644
--- a/var/spack/repos/builtin/packages/r-cner/package.py
+++ b/var/spack/repos/builtin/packages/r-cner/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-coda/package.py b/var/spack/repos/builtin/packages/r-coda/package.py
index 7727074e4661bde101eb8e0bee773637490fb517..de5e8e112f85567701fc1e66b6a3b1b60d764c10 100644
--- a/var/spack/repos/builtin/packages/r-coda/package.py
+++ b/var/spack/repos/builtin/packages/r-coda/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-codetools/package.py b/var/spack/repos/builtin/packages/r-codetools/package.py
index 24dad4250ddabeff82e551fd4e437a8e9553b4b4..a32e9ddc770e77c4e11b573e12868e5ae60a09eb 100644
--- a/var/spack/repos/builtin/packages/r-codetools/package.py
+++ b/var/spack/repos/builtin/packages/r-codetools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-coin/package.py b/var/spack/repos/builtin/packages/r-coin/package.py
index 2852e4970d3f9b46f9f2ed33589cec54622dd9ea..f9688bbb8675ca78532ef6232e0b35bc3069418c 100644
--- a/var/spack/repos/builtin/packages/r-coin/package.py
+++ b/var/spack/repos/builtin/packages/r-coin/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-colorspace/package.py b/var/spack/repos/builtin/packages/r-colorspace/package.py
index dba4ffee5da2900d4df24bad7c7a738fa839d25b..137f0441d238e7a633cc68f4e5165ec663c8ee86 100644
--- a/var/spack/repos/builtin/packages/r-colorspace/package.py
+++ b/var/spack/repos/builtin/packages/r-colorspace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-complexheatmap/package.py b/var/spack/repos/builtin/packages/r-complexheatmap/package.py
index 1897595a2854a5f237beb9063113a78b2b1f46ac..e4c0025f58c9f48cb5f1ba18bd07f20a2cad7321 100644
--- a/var/spack/repos/builtin/packages/r-complexheatmap/package.py
+++ b/var/spack/repos/builtin/packages/r-complexheatmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-corpcor/package.py b/var/spack/repos/builtin/packages/r-corpcor/package.py
index a216cec7826288b5ab2e49574a2f30448fa53ce1..2be6972de058f0263d3625c0ffe235df1f37918d 100644
--- a/var/spack/repos/builtin/packages/r-corpcor/package.py
+++ b/var/spack/repos/builtin/packages/r-corpcor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-corrplot/package.py b/var/spack/repos/builtin/packages/r-corrplot/package.py
index fc7ffad3162ab687cc500bb759a68ed5ca83f3bb..cf053e7733f8c4260e40020365c590ed754e9134 100644
--- a/var/spack/repos/builtin/packages/r-corrplot/package.py
+++ b/var/spack/repos/builtin/packages/r-corrplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-covr/package.py b/var/spack/repos/builtin/packages/r-covr/package.py
index 6e9e4c9f6e64f7341d41c4dcecd0a41f4e75677f..dc6430bafd6f4b7f9a398d5a7db25c0115c7da99 100644
--- a/var/spack/repos/builtin/packages/r-covr/package.py
+++ b/var/spack/repos/builtin/packages/r-covr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cowplot/package.py b/var/spack/repos/builtin/packages/r-cowplot/package.py
index 55f2e84010b5cd0fd73e74cb1fee63433d47d423..17a7d8f80e25cbf12aa8e93df3bf647d7ec51cb9 100644
--- a/var/spack/repos/builtin/packages/r-cowplot/package.py
+++ b/var/spack/repos/builtin/packages/r-cowplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-crayon/package.py b/var/spack/repos/builtin/packages/r-crayon/package.py
index 7e48720ab190045136e48de4a3a3238da4837508..d74f993f3eb2b4c2dcdc5ef2c37851bbbcfdea34 100644
--- a/var/spack/repos/builtin/packages/r-crayon/package.py
+++ b/var/spack/repos/builtin/packages/r-crayon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-crosstalk/package.py b/var/spack/repos/builtin/packages/r-crosstalk/package.py
index 773fab9df3c5434abe620bbe31ea02b2bc09329e..aa92cb027c5edd5938e27bddf3671053871d8a96 100644
--- a/var/spack/repos/builtin/packages/r-crosstalk/package.py
+++ b/var/spack/repos/builtin/packages/r-crosstalk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ctc/package.py b/var/spack/repos/builtin/packages/r-ctc/package.py
index d9471a974920f32e2fad398f199e214a1a7f46fe..c4ceb4d4717456730939777edd0816047362c7d7 100644
--- a/var/spack/repos/builtin/packages/r-ctc/package.py
+++ b/var/spack/repos/builtin/packages/r-ctc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cubature/package.py b/var/spack/repos/builtin/packages/r-cubature/package.py
index f01bd659a9594cc028772a0c92cc2ee1e2439d44..2701f470e4671e0ade323a18168ef0bc42d14bc6 100644
--- a/var/spack/repos/builtin/packages/r-cubature/package.py
+++ b/var/spack/repos/builtin/packages/r-cubature/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-cubist/package.py b/var/spack/repos/builtin/packages/r-cubist/package.py
index b6fe075b4cd9f7aeda6007fa7f4141f5e9923ef4..a5472f2965885ca4d60890642c61773e71380da0 100644
--- a/var/spack/repos/builtin/packages/r-cubist/package.py
+++ b/var/spack/repos/builtin/packages/r-cubist/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-curl/package.py b/var/spack/repos/builtin/packages/r-curl/package.py
index b67383c2aa4d256a907934ee375ae0fd1caecd39..3951059736887225db4b42a6e0a6eaae1b33607e 100644
--- a/var/spack/repos/builtin/packages/r-curl/package.py
+++ b/var/spack/repos/builtin/packages/r-curl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-data-table/package.py b/var/spack/repos/builtin/packages/r-data-table/package.py
index 6080989f79cd36f234da7b57f3bd81d4b0f7f12b..9726785a5462a5d698cb100665c1b51d9022528f 100644
--- a/var/spack/repos/builtin/packages/r-data-table/package.py
+++ b/var/spack/repos/builtin/packages/r-data-table/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dbi/package.py b/var/spack/repos/builtin/packages/r-dbi/package.py
index 07dbd989df9f4a88f389003a9a201db4dbf62a6b..5c4c8493abd45dd8bf5dc987c97b2b677ccab657 100644
--- a/var/spack/repos/builtin/packages/r-dbi/package.py
+++ b/var/spack/repos/builtin/packages/r-dbi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dbplyr/package.py b/var/spack/repos/builtin/packages/r-dbplyr/package.py
index fe3444def7fd175b24b818b314b6a2054c98fdd0..7f0dcf7577543d02e7fe93be5ac31e4f0db7a995 100644
--- a/var/spack/repos/builtin/packages/r-dbplyr/package.py
+++ b/var/spack/repos/builtin/packages/r-dbplyr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-delayedarray/package.py b/var/spack/repos/builtin/packages/r-delayedarray/package.py
index 8eb378a0b1ea45ad83496abf2be487dbd1988462..b1aa8e19759c712dd78e64eafd44d0aa1976a8af 100644
--- a/var/spack/repos/builtin/packages/r-delayedarray/package.py
+++ b/var/spack/repos/builtin/packages/r-delayedarray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-deldir/package.py b/var/spack/repos/builtin/packages/r-deldir/package.py
index 65e899605bdc896abcde7f24f4224a7ed44a5eda..7a2a5c6de0b19d3ff75fbb8dac83387f3c36e89e 100644
--- a/var/spack/repos/builtin/packages/r-deldir/package.py
+++ b/var/spack/repos/builtin/packages/r-deldir/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dendextend/package.py b/var/spack/repos/builtin/packages/r-dendextend/package.py
index ec34416a43f7c2888c11ab52eb6d5a73319f2819..73f085b7b746564dc2741f87f4d1fe11e608cceb 100644
--- a/var/spack/repos/builtin/packages/r-dendextend/package.py
+++ b/var/spack/repos/builtin/packages/r-dendextend/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-deoptim/package.py b/var/spack/repos/builtin/packages/r-deoptim/package.py
index 36c0194e0732bc4ad58d0dad9a7e23549e7a2de3..7a4daac46b3f532248a8f73ba508122c4b523e3d 100644
--- a/var/spack/repos/builtin/packages/r-deoptim/package.py
+++ b/var/spack/repos/builtin/packages/r-deoptim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-deoptimr/package.py b/var/spack/repos/builtin/packages/r-deoptimr/package.py
index 1a05bd9355de14dec03b3de71b78a9ca5001053b..e2ec25a9889da8dbe55087667deb963c6b9d7dbe 100644
--- a/var/spack/repos/builtin/packages/r-deoptimr/package.py
+++ b/var/spack/repos/builtin/packages/r-deoptimr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-deseq/package.py b/var/spack/repos/builtin/packages/r-deseq/package.py
index a9c378d2940a211c6e1e955dea79ccae516146e5..78886d4f03841dfd9dd4cd0ebebfbf9a4c94e5d3 100644
--- a/var/spack/repos/builtin/packages/r-deseq/package.py
+++ b/var/spack/repos/builtin/packages/r-deseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-deseq2/package.py b/var/spack/repos/builtin/packages/r-deseq2/package.py
index 3ec8ea50dba1cbd8084b97c5ed0424742025c638..2a470b808d2d541aa9a2e80940f6c0d2eeaea860 100644
--- a/var/spack/repos/builtin/packages/r-deseq2/package.py
+++ b/var/spack/repos/builtin/packages/r-deseq2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-desolve/package.py b/var/spack/repos/builtin/packages/r-desolve/package.py
index efcf8d97914064961e0f4a94232d77cd623ed7dd..11642809e163993129943834ea2cac48a7734e33 100644
--- a/var/spack/repos/builtin/packages/r-desolve/package.py
+++ b/var/spack/repos/builtin/packages/r-desolve/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-devtools/package.py b/var/spack/repos/builtin/packages/r-devtools/package.py
index 9cf97ab5502e304c812d25e5dd5b3a1f5bd00562..68bb13ed76a77b35b0894120e6cf590f1eadf1e3 100644
--- a/var/spack/repos/builtin/packages/r-devtools/package.py
+++ b/var/spack/repos/builtin/packages/r-devtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-diagrammer/package.py b/var/spack/repos/builtin/packages/r-diagrammer/package.py
index 6450f9a3b54699a24045475e2df163cf680f354d..a5c7c58787ed8b026625869d09dc9f9f728aec3c 100644
--- a/var/spack/repos/builtin/packages/r-diagrammer/package.py
+++ b/var/spack/repos/builtin/packages/r-diagrammer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dicekriging/package.py b/var/spack/repos/builtin/packages/r-dicekriging/package.py
index 4a192efbc96f0f23b36c71d4bbd9671e27dae76d..6dcfddda69d97a40390d38fda863be1c9d71f79f 100644
--- a/var/spack/repos/builtin/packages/r-dicekriging/package.py
+++ b/var/spack/repos/builtin/packages/r-dicekriging/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dichromat/package.py b/var/spack/repos/builtin/packages/r-dichromat/package.py
index 6908cfeb7c177550aae0230930643bc28e0c9a89..1364e9011385b079924ba1c7dd92d0a38ba9c7ac 100644
--- a/var/spack/repos/builtin/packages/r-dichromat/package.py
+++ b/var/spack/repos/builtin/packages/r-dichromat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-diffusionmap/package.py b/var/spack/repos/builtin/packages/r-diffusionmap/package.py
index e92b170f4983dd1f293601f33235ab56ce8ae065..c4011ff844f9ed2ed9660fe680e5134d4aa605de 100644
--- a/var/spack/repos/builtin/packages/r-diffusionmap/package.py
+++ b/var/spack/repos/builtin/packages/r-diffusionmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-digest/package.py b/var/spack/repos/builtin/packages/r-digest/package.py
index 6a0837119704757e08bb8da0b4749f64451878a5..db1678ed1e24401dfbc4c0fa93e7c7973efc4800 100644
--- a/var/spack/repos/builtin/packages/r-digest/package.py
+++ b/var/spack/repos/builtin/packages/r-digest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-diptest/package.py b/var/spack/repos/builtin/packages/r-diptest/package.py
index 998373a71f6630e321fd9d2225fbe576b4201318..1afe05803b232797b72bf0d65d19841af7f859c3 100644
--- a/var/spack/repos/builtin/packages/r-diptest/package.py
+++ b/var/spack/repos/builtin/packages/r-diptest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dirichletmultinomial/package.py b/var/spack/repos/builtin/packages/r-dirichletmultinomial/package.py
index 2452277912cc5483e6d2eb3a1577dd3ff2bef68a..ce634abf12165c92b2ccdacccff7a2a6c29a1901 100644
--- a/var/spack/repos/builtin/packages/r-dirichletmultinomial/package.py
+++ b/var/spack/repos/builtin/packages/r-dirichletmultinomial/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dnacopy/package.py b/var/spack/repos/builtin/packages/r-dnacopy/package.py
index b3428cd993d843e8864c72523b2c9b9e3ffc1db6..2f1900f361565ab0c5d931fca310af4b191b51e4 100644
--- a/var/spack/repos/builtin/packages/r-dnacopy/package.py
+++ b/var/spack/repos/builtin/packages/r-dnacopy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-do-db/package.py b/var/spack/repos/builtin/packages/r-do-db/package.py
index b96fec441d9c78c6f0a8ae283316582e040893eb..3dd7c8b25805d2ca2b54f79a6e60264117c81ea0 100644
--- a/var/spack/repos/builtin/packages/r-do-db/package.py
+++ b/var/spack/repos/builtin/packages/r-do-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-domc/package.py b/var/spack/repos/builtin/packages/r-domc/package.py
index bad12fadb6a285e3ed13669b5e8b8d1186650135..2fd58884d5620218fcc71f969fc1a3ee6b94a2bd 100644
--- a/var/spack/repos/builtin/packages/r-domc/package.py
+++ b/var/spack/repos/builtin/packages/r-domc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-doparallel/package.py b/var/spack/repos/builtin/packages/r-doparallel/package.py
index 0a5d73b4cd64470285a6d6ea7ce39f08ce304682..06bc2bf0a7815cb69023c21eb6e18b583de90d17 100644
--- a/var/spack/repos/builtin/packages/r-doparallel/package.py
+++ b/var/spack/repos/builtin/packages/r-doparallel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dorng/package.py b/var/spack/repos/builtin/packages/r-dorng/package.py
index 75add9850964e02003ea7b9fe4aadf86b5d2b4e2..ba094688adfd425e9a7178fa2e68a651661c2748 100644
--- a/var/spack/repos/builtin/packages/r-dorng/package.py
+++ b/var/spack/repos/builtin/packages/r-dorng/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dose/package.py b/var/spack/repos/builtin/packages/r-dose/package.py
index aaeb05d53277729e8c620cfef9622dd689a32509..96bbf34451be3795e43a6154c76f4ae3a54197a0 100644
--- a/var/spack/repos/builtin/packages/r-dose/package.py
+++ b/var/spack/repos/builtin/packages/r-dose/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-downloader/package.py b/var/spack/repos/builtin/packages/r-downloader/package.py
index d43c9a2e36d5cdb960048bf77f7efd34697e8e73..6a0293b8c63f1cb3928ca226e8e615992d8a2df8 100644
--- a/var/spack/repos/builtin/packages/r-downloader/package.py
+++ b/var/spack/repos/builtin/packages/r-downloader/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dplyr/package.py b/var/spack/repos/builtin/packages/r-dplyr/package.py
index 6daee1b182c4e4ec117d507c41cb463115eb2a81..72a34222cb7e5f11d3ef5d1d74519e13c0e9d4f2 100644
--- a/var/spack/repos/builtin/packages/r-dplyr/package.py
+++ b/var/spack/repos/builtin/packages/r-dplyr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dt/package.py b/var/spack/repos/builtin/packages/r-dt/package.py
index 6725a5ec02c5086f8db42ad7c9bf05f836fc1e5c..3a68487f43043ae007469b21359cd66c4dc8a4db 100644
--- a/var/spack/repos/builtin/packages/r-dt/package.py
+++ b/var/spack/repos/builtin/packages/r-dt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dtw/package.py b/var/spack/repos/builtin/packages/r-dtw/package.py
index 29c889681134542684f36e864c3ec96bd04c1306..a752f202d6bf2c74541e05e461f7347d9a880d15 100644
--- a/var/spack/repos/builtin/packages/r-dtw/package.py
+++ b/var/spack/repos/builtin/packages/r-dtw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-dygraphs/package.py b/var/spack/repos/builtin/packages/r-dygraphs/package.py
index 0b22c96d887445fbafac9d5ad95d8a25e6ff2ce2..eeb0f08481ec30b77571efe7b05bcbfdd9f04edc 100644
--- a/var/spack/repos/builtin/packages/r-dygraphs/package.py
+++ b/var/spack/repos/builtin/packages/r-dygraphs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-e1071/package.py b/var/spack/repos/builtin/packages/r-e1071/package.py
index 97901489144ce582c335778475ae9e09cbc9a86b..94b6a60ef93a0258687c19c6f5e98caabf9352e6 100644
--- a/var/spack/repos/builtin/packages/r-e1071/package.py
+++ b/var/spack/repos/builtin/packages/r-e1071/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-edger/package.py b/var/spack/repos/builtin/packages/r-edger/package.py
index 6d77487ef353a0d11e90fa3788c475bc6ea9b5b7..cc94490e9724b8c1b82b2bc96d1b090002fe0d1a 100644
--- a/var/spack/repos/builtin/packages/r-edger/package.py
+++ b/var/spack/repos/builtin/packages/r-edger/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ellipse/package.py b/var/spack/repos/builtin/packages/r-ellipse/package.py
index c6e6a7eabe5659e12455e85f58ee0d1cf4827b14..555e5cd985928b10ebda6dce9fab0ebfa527af32 100644
--- a/var/spack/repos/builtin/packages/r-ellipse/package.py
+++ b/var/spack/repos/builtin/packages/r-ellipse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ensembldb/package.py b/var/spack/repos/builtin/packages/r-ensembldb/package.py
index 3f02413dbc82bcc060cdb34d6e971f2143e7917a..c1e5b219efb404d762340f7024674475e210198c 100644
--- a/var/spack/repos/builtin/packages/r-ensembldb/package.py
+++ b/var/spack/repos/builtin/packages/r-ensembldb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ergm/package.py b/var/spack/repos/builtin/packages/r-ergm/package.py
index da3b90760bcd9db77390d079b84c1a0745a25d4c..cea98327f774a7f11c4d194467641a79f0134439 100644
--- a/var/spack/repos/builtin/packages/r-ergm/package.py
+++ b/var/spack/repos/builtin/packages/r-ergm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-evaluate/package.py b/var/spack/repos/builtin/packages/r-evaluate/package.py
index 13bdb5a721a843e2b06affdd3da1d43c20e3c661..8edc12743ebe45ad5dbb30193c8869c9e5e136c1 100644
--- a/var/spack/repos/builtin/packages/r-evaluate/package.py
+++ b/var/spack/repos/builtin/packages/r-evaluate/package.py
@@ -1,28 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
-
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-expm/package.py b/var/spack/repos/builtin/packages/r-expm/package.py
index 8ea19ec8700111c1c183e4cb02501201411b77ed..2f68a851abecc689386c65e09897200bc7d528a8 100644
--- a/var/spack/repos/builtin/packages/r-expm/package.py
+++ b/var/spack/repos/builtin/packages/r-expm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-factoextra/package.py b/var/spack/repos/builtin/packages/r-factoextra/package.py
index 3b386dbed80cd1d7ade9a7b00189d61801246127..8bffeafbc92730278ad087d82a2624fa8e15323d 100644
--- a/var/spack/repos/builtin/packages/r-factoextra/package.py
+++ b/var/spack/repos/builtin/packages/r-factoextra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-factominer/package.py b/var/spack/repos/builtin/packages/r-factominer/package.py
index 1a819494b140a9ada6ebfc1c5e3c8ac94e458625..f9aa8a7d77cf4eefd145dd7b5a64464db941b7ad 100644
--- a/var/spack/repos/builtin/packages/r-factominer/package.py
+++ b/var/spack/repos/builtin/packages/r-factominer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fastcluster/package.py b/var/spack/repos/builtin/packages/r-fastcluster/package.py
index 7a1e20f00c01f9e02cec3f1ed3698597160c0376..303219e6305f1032694370198489dc62e038f76b 100644
--- a/var/spack/repos/builtin/packages/r-fastcluster/package.py
+++ b/var/spack/repos/builtin/packages/r-fastcluster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fastmatch/package.py b/var/spack/repos/builtin/packages/r-fastmatch/package.py
index bbea5a81f4336d2305e883ddc829cbf2878a9728..73f849db9154c79e2477e1d908040642ac74c094 100644
--- a/var/spack/repos/builtin/packages/r-fastmatch/package.py
+++ b/var/spack/repos/builtin/packages/r-fastmatch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ff/package.py b/var/spack/repos/builtin/packages/r-ff/package.py
index cbb95a1633f689575f82510818e73e9426f396f3..aa68be95622d73a4f9540ecf2ac23115c3e9c9fa 100644
--- a/var/spack/repos/builtin/packages/r-ff/package.py
+++ b/var/spack/repos/builtin/packages/r-ff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fftwtools/package.py b/var/spack/repos/builtin/packages/r-fftwtools/package.py
index 08d0060935d6376f1263103fa347e6373ae24bcd..237d40035e11725278ea8a4c40f6b1e7ad265330 100644
--- a/var/spack/repos/builtin/packages/r-fftwtools/package.py
+++ b/var/spack/repos/builtin/packages/r-fftwtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fgsea/package.py b/var/spack/repos/builtin/packages/r-fgsea/package.py
index da00f4b17203f92f058a088b7ec50c291cd1dabc..938a15bf6fed84310cf62488cce9ed94055a514e 100644
--- a/var/spack/repos/builtin/packages/r-fgsea/package.py
+++ b/var/spack/repos/builtin/packages/r-fgsea/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-filehash/package.py b/var/spack/repos/builtin/packages/r-filehash/package.py
index 68f3fbe3205ef24252e93f357ba483c9ad09c12c..0220fbc6bb5622f1fbea7a381c0f998b70d24c4c 100644
--- a/var/spack/repos/builtin/packages/r-filehash/package.py
+++ b/var/spack/repos/builtin/packages/r-filehash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-findpython/package.py b/var/spack/repos/builtin/packages/r-findpython/package.py
index 0d2dc7ee6d84bc616cb0d7d2cef5e27db2e92b87..e5a298b09a99365759ac763d5b515da80b5d4ca2 100644
--- a/var/spack/repos/builtin/packages/r-findpython/package.py
+++ b/var/spack/repos/builtin/packages/r-findpython/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fit-models/package.py b/var/spack/repos/builtin/packages/r-fit-models/package.py
index 4627fab93e034687d7957744ea9c258f898acca7..32c2b96f9ec13de9293b8ca78b1a6a554f02c192 100644
--- a/var/spack/repos/builtin/packages/r-fit-models/package.py
+++ b/var/spack/repos/builtin/packages/r-fit-models/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-flashclust/package.py b/var/spack/repos/builtin/packages/r-flashclust/package.py
index a4318fc682d639af0757007464cf628dd55e2520..c36ad50cf8fd41c9d130568a0a1f9102b5b79f47 100644
--- a/var/spack/repos/builtin/packages/r-flashclust/package.py
+++ b/var/spack/repos/builtin/packages/r-flashclust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-flexclust/package.py b/var/spack/repos/builtin/packages/r-flexclust/package.py
index 9d89e3c1fb91cb4240fecb25d6aeced35359e492..338bfd4d072541bf3b980972f95f031b9e605a81 100644
--- a/var/spack/repos/builtin/packages/r-flexclust/package.py
+++ b/var/spack/repos/builtin/packages/r-flexclust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-flexmix/package.py b/var/spack/repos/builtin/packages/r-flexmix/package.py
index 4c68840efa14e9e59e9a86855aa734b8b27fe6e3..f41e959b7c798bd5df1330b7a8b2e8ae1cb23290 100644
--- a/var/spack/repos/builtin/packages/r-flexmix/package.py
+++ b/var/spack/repos/builtin/packages/r-flexmix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fnn/package.py b/var/spack/repos/builtin/packages/r-fnn/package.py
index 6511e0d0814064bab0c184de129ad59dedc6eee8..984024a5d019f0817a80fc2e22e05a071cf7b165 100644
--- a/var/spack/repos/builtin/packages/r-fnn/package.py
+++ b/var/spack/repos/builtin/packages/r-fnn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-forcats/package.py b/var/spack/repos/builtin/packages/r-forcats/package.py
index 8ef3e805e0f3e835de5c6d8a9525e99ad17ad8fc..3497da1f8b3afc88690b2e913a01dd1f1c7b7bf8 100644
--- a/var/spack/repos/builtin/packages/r-forcats/package.py
+++ b/var/spack/repos/builtin/packages/r-forcats/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-foreach/package.py b/var/spack/repos/builtin/packages/r-foreach/package.py
index 6e981b56309ec75b688f20ab9aef142638698d8d..b7ffbcc256d6756f443a84307eb74ab84fcb20ec 100644
--- a/var/spack/repos/builtin/packages/r-foreach/package.py
+++ b/var/spack/repos/builtin/packages/r-foreach/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-forecast/package.py b/var/spack/repos/builtin/packages/r-forecast/package.py
index 105d30a7272d8dc7b8fff82880a1bce0a488a50a..d491a3bc20f5726725f1276c494660c9e44bd486 100644
--- a/var/spack/repos/builtin/packages/r-forecast/package.py
+++ b/var/spack/repos/builtin/packages/r-forecast/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-foreign/package.py b/var/spack/repos/builtin/packages/r-foreign/package.py
index 294eba97f50ede7d116b9a7dc8d4babe9327cc2d..4974ec76d7f268978422ce278501529fbe7a60d1 100644
--- a/var/spack/repos/builtin/packages/r-foreign/package.py
+++ b/var/spack/repos/builtin/packages/r-foreign/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-formatr/package.py b/var/spack/repos/builtin/packages/r-formatr/package.py
index 705562dbee74de506bc5a1382caae7c24ad57dd9..7e495ca8219cdea07aed2a021690fffe3ed90859 100644
--- a/var/spack/repos/builtin/packages/r-formatr/package.py
+++ b/var/spack/repos/builtin/packages/r-formatr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-formula/package.py b/var/spack/repos/builtin/packages/r-formula/package.py
index 44384857865e29697fee06d0a6af2eafa97548c6..9f756f8917de122fadf9fc62eb2c7d67b3b2997b 100644
--- a/var/spack/repos/builtin/packages/r-formula/package.py
+++ b/var/spack/repos/builtin/packages/r-formula/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-fpc/package.py b/var/spack/repos/builtin/packages/r-fpc/package.py
index 271176b8ba79a72bffa82c2589365b38045951cb..26901c80350ecab3ab12658eb83e8795307c6217 100644
--- a/var/spack/repos/builtin/packages/r-fpc/package.py
+++ b/var/spack/repos/builtin/packages/r-fpc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-fracdiff/package.py b/var/spack/repos/builtin/packages/r-fracdiff/package.py
index 089f1d3ee5c66126db4628c0f97a9b058a1a3b09..4666832c174c98ddfcdbd11a4ecb72b8d13311f9 100644
--- a/var/spack/repos/builtin/packages/r-fracdiff/package.py
+++ b/var/spack/repos/builtin/packages/r-fracdiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-futile-logger/package.py b/var/spack/repos/builtin/packages/r-futile-logger/package.py
index b2149b427fdb9265c3ff62a02ff598cbc5aecbd6..e2e3cf26675f70639bb059a5f10941160f854aa3 100644
--- a/var/spack/repos/builtin/packages/r-futile-logger/package.py
+++ b/var/spack/repos/builtin/packages/r-futile-logger/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-futile-options/package.py b/var/spack/repos/builtin/packages/r-futile-options/package.py
index e254610bc6588cdfd9056ba6d19ceb491b9bc09c..881d6f8ad112e51ad6c7d7db673b847e53914323 100644
--- a/var/spack/repos/builtin/packages/r-futile-options/package.py
+++ b/var/spack/repos/builtin/packages/r-futile-options/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gbm/package.py b/var/spack/repos/builtin/packages/r-gbm/package.py
index 7726fbac37a6fac3b8d83a9ce4a6e2f089edee5a..53095839222d8e8a449a3458a6009908d5230e67 100644
--- a/var/spack/repos/builtin/packages/r-gbm/package.py
+++ b/var/spack/repos/builtin/packages/r-gbm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gcrma/package.py b/var/spack/repos/builtin/packages/r-gcrma/package.py
index 66a2e1f2e27f5aff8a14ac61f3404f775d31701c..8f9fe9ff1fa1b3c7b37a4ef3239a32dc3ea307c6 100644
--- a/var/spack/repos/builtin/packages/r-gcrma/package.py
+++ b/var/spack/repos/builtin/packages/r-gcrma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gdata/package.py b/var/spack/repos/builtin/packages/r-gdata/package.py
index 6ddb29bd04ea419908526f4a057a44a800d9cb39..a093ae4485d49e2e23583442e9a6a029ec9e1db8 100644
--- a/var/spack/repos/builtin/packages/r-gdata/package.py
+++ b/var/spack/repos/builtin/packages/r-gdata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gdsfmt/package.py b/var/spack/repos/builtin/packages/r-gdsfmt/package.py
index 3df7379e383a108bf1c3d7beffcc757d1b4549d4..b2a98aa726e8e8de53869dc24a61597f3ff9829b 100644
--- a/var/spack/repos/builtin/packages/r-gdsfmt/package.py
+++ b/var/spack/repos/builtin/packages/r-gdsfmt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-geiger/package.py b/var/spack/repos/builtin/packages/r-geiger/package.py
index 3c236ac3a02304d343d943937969a3483ce1ea9c..8bb6f8a3c7cba5eb8bf8b86e14a00e37c0d5d61d 100644
--- a/var/spack/repos/builtin/packages/r-geiger/package.py
+++ b/var/spack/repos/builtin/packages/r-geiger/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genefilter/package.py b/var/spack/repos/builtin/packages/r-genefilter/package.py
index 904b9c73e44051b6a27ba6552fc38d8d2f0ac65b..afe1e1edf66708fa7bccfbdd3c8db1f7cb876cf2 100644
--- a/var/spack/repos/builtin/packages/r-genefilter/package.py
+++ b/var/spack/repos/builtin/packages/r-genefilter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genelendatabase/package.py b/var/spack/repos/builtin/packages/r-genelendatabase/package.py
index 6d0ac4b3fddc1f2661aa34fb3ca8427222715063..003bc11e9d8ce39698b228e43b9ef9b334b785d3 100644
--- a/var/spack/repos/builtin/packages/r-genelendatabase/package.py
+++ b/var/spack/repos/builtin/packages/r-genelendatabase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-geneplotter/package.py b/var/spack/repos/builtin/packages/r-geneplotter/package.py
index 149378dcf0639baef48fcb1dfccbde63f5ab7a94..46918c492af1f5f5a21df1205d05a65d7353a4a4 100644
--- a/var/spack/repos/builtin/packages/r-geneplotter/package.py
+++ b/var/spack/repos/builtin/packages/r-geneplotter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genie3/package.py b/var/spack/repos/builtin/packages/r-genie3/package.py
index cd61d010b7968d23d8a60a3147fc4d5bcb3c2dac..b2942ffc89b4eaf7cc631003062b698407e0d6f9 100644
--- a/var/spack/repos/builtin/packages/r-genie3/package.py
+++ b/var/spack/repos/builtin/packages/r-genie3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genomeinfodb/package.py b/var/spack/repos/builtin/packages/r-genomeinfodb/package.py
index 222dfcf6797b48dbceb803ca3ce496b080c4be27..a13b969c73c394f55b9f0eebdc0e57164b6d7022 100644
--- a/var/spack/repos/builtin/packages/r-genomeinfodb/package.py
+++ b/var/spack/repos/builtin/packages/r-genomeinfodb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genomeinfodbdata/package.py b/var/spack/repos/builtin/packages/r-genomeinfodbdata/package.py
index 339f1eb4ab73199aab53b615addaaf308a698d70..cf74104950c4e500192a96d6a2b13c9ef4b0782b 100644
--- a/var/spack/repos/builtin/packages/r-genomeinfodbdata/package.py
+++ b/var/spack/repos/builtin/packages/r-genomeinfodbdata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genomicalignments/package.py b/var/spack/repos/builtin/packages/r-genomicalignments/package.py
index f70717e52cc0a279fde0b11351cccf6def249f21..9f66a1aba87f22f45c8216cda7ce677619c2e7cb 100644
--- a/var/spack/repos/builtin/packages/r-genomicalignments/package.py
+++ b/var/spack/repos/builtin/packages/r-genomicalignments/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genomicfeatures/package.py b/var/spack/repos/builtin/packages/r-genomicfeatures/package.py
index cb5605d2bb9bdd5a2122e63117441bc51e668ef4..9531e36ccde217249ff715c74ccb616571e335a6 100644
--- a/var/spack/repos/builtin/packages/r-genomicfeatures/package.py
+++ b/var/spack/repos/builtin/packages/r-genomicfeatures/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-genomicranges/package.py b/var/spack/repos/builtin/packages/r-genomicranges/package.py
index 9e5baff6c7dd87ac0096bf2310d9c533f70fe1fb..d362b579099a6433f4f8d8c074afa6f1b8030585 100644
--- a/var/spack/repos/builtin/packages/r-genomicranges/package.py
+++ b/var/spack/repos/builtin/packages/r-genomicranges/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-geomorph/package.py b/var/spack/repos/builtin/packages/r-geomorph/package.py
index 33ac0317c0ce3ac0e95050cd7c90cb170526bc16..cb9e3605dea8c0bcbfe6928d41c415dcaba5baf4 100644
--- a/var/spack/repos/builtin/packages/r-geomorph/package.py
+++ b/var/spack/repos/builtin/packages/r-geomorph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-geoquery/package.py b/var/spack/repos/builtin/packages/r-geoquery/package.py
index 1e5cd8469c262721d749569186701f712855b457..af3629e5ede799812494aeca82a42bc23ca5ab63 100644
--- a/var/spack/repos/builtin/packages/r-geoquery/package.py
+++ b/var/spack/repos/builtin/packages/r-geoquery/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-geosphere/package.py b/var/spack/repos/builtin/packages/r-geosphere/package.py
index a797fdef6f12c1a5d2c8dc7169038a9b2350b30b..f6a3f233a1c1c160bd12a935b8a258f11a4a3aea 100644
--- a/var/spack/repos/builtin/packages/r-geosphere/package.py
+++ b/var/spack/repos/builtin/packages/r-geosphere/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-getopt/package.py b/var/spack/repos/builtin/packages/r-getopt/package.py
index a4ea28ea1322c4d3fea738cc357c95ff68d3ac2a..a1e1286b6c2547a53d37c49be16269eb4ccdecaa 100644
--- a/var/spack/repos/builtin/packages/r-getopt/package.py
+++ b/var/spack/repos/builtin/packages/r-getopt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-getoptlong/package.py b/var/spack/repos/builtin/packages/r-getoptlong/package.py
index 822486255dd8a986680da83a35b27f7dca3de84c..61d6cb79779de9721dc2506e2f0f810dffd6f718 100644
--- a/var/spack/repos/builtin/packages/r-getoptlong/package.py
+++ b/var/spack/repos/builtin/packages/r-getoptlong/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggally/package.py b/var/spack/repos/builtin/packages/r-ggally/package.py
index e5bf46fdc29a2c2ed9da7dce3b2f93310fc1edf3..26dacf1378a242484380c8571a0880a240e005f8 100644
--- a/var/spack/repos/builtin/packages/r-ggally/package.py
+++ b/var/spack/repos/builtin/packages/r-ggally/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggbio/package.py b/var/spack/repos/builtin/packages/r-ggbio/package.py
index 9401e34441b06c664f6191341db38e41d1628516..30ebcf23d81f16f50858e04d56f8249fa3ffa9c7 100644
--- a/var/spack/repos/builtin/packages/r-ggbio/package.py
+++ b/var/spack/repos/builtin/packages/r-ggbio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggdendro/package.py b/var/spack/repos/builtin/packages/r-ggdendro/package.py
index 8741d3152a3c6eb8f30aefc0399a3247b52f21f8..d0b0562f39cad861566e638f45e4c8db1e2ccc60 100644
--- a/var/spack/repos/builtin/packages/r-ggdendro/package.py
+++ b/var/spack/repos/builtin/packages/r-ggdendro/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggjoy/package.py b/var/spack/repos/builtin/packages/r-ggjoy/package.py
index 3650852ee995c2540fbcc42dccf80f70b0770a5d..aa3ca2477bf2ec434ab4e408a57292d0721af5e0 100644
--- a/var/spack/repos/builtin/packages/r-ggjoy/package.py
+++ b/var/spack/repos/builtin/packages/r-ggjoy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggmap/package.py b/var/spack/repos/builtin/packages/r-ggmap/package.py
index 75d338ae7adf9f5d823941dc18c648385a9d0514..4fe5a9e5831ab73b92b32202c50c3cf5c92849f6 100644
--- a/var/spack/repos/builtin/packages/r-ggmap/package.py
+++ b/var/spack/repos/builtin/packages/r-ggmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggplot2/package.py b/var/spack/repos/builtin/packages/r-ggplot2/package.py
index 23755aa03a1944482ac83614be8638727981038d..0836103e4157d40675ae55b8233258767210a450 100644
--- a/var/spack/repos/builtin/packages/r-ggplot2/package.py
+++ b/var/spack/repos/builtin/packages/r-ggplot2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggpubr/package.py b/var/spack/repos/builtin/packages/r-ggpubr/package.py
index 04515753335c128d897accdefc7fe14ea5984453..66f10d03f9606bba7415f71e4bd338ac7174db1d 100644
--- a/var/spack/repos/builtin/packages/r-ggpubr/package.py
+++ b/var/spack/repos/builtin/packages/r-ggpubr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggrepel/package.py b/var/spack/repos/builtin/packages/r-ggrepel/package.py
index 40f52c460438e3187d5b04b87bb8493d8916fc4b..075b08153526c8ab46b3b89785ae280dcc22d949 100644
--- a/var/spack/repos/builtin/packages/r-ggrepel/package.py
+++ b/var/spack/repos/builtin/packages/r-ggrepel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggridges/package.py b/var/spack/repos/builtin/packages/r-ggridges/package.py
index 180d984b14edf49b7077ada821a8e391398702c7..c5f686282db6651b2b3c17ccd56c7a9750e2c151 100644
--- a/var/spack/repos/builtin/packages/r-ggridges/package.py
+++ b/var/spack/repos/builtin/packages/r-ggridges/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggsci/package.py b/var/spack/repos/builtin/packages/r-ggsci/package.py
index e21abc83285e0328d42ed196a0e208cc56701a83..2cec0a64963b860e55f1d984b6f55cb94a397649 100644
--- a/var/spack/repos/builtin/packages/r-ggsci/package.py
+++ b/var/spack/repos/builtin/packages/r-ggsci/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ggvis/package.py b/var/spack/repos/builtin/packages/r-ggvis/package.py
index 74f6a963302fc02a724bec75484cb109cf6210d0..6c2dffcc42496fb0031028eaf334b4c9b214e8d2 100644
--- a/var/spack/repos/builtin/packages/r-ggvis/package.py
+++ b/var/spack/repos/builtin/packages/r-ggvis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gistr/package.py b/var/spack/repos/builtin/packages/r-gistr/package.py
index ea3f5b3ab780a9cbca3e945d360f32f47eeb9bde..500d9cb0def76928cde6883e88007c1d3dd7156a 100644
--- a/var/spack/repos/builtin/packages/r-gistr/package.py
+++ b/var/spack/repos/builtin/packages/r-gistr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-git2r/package.py b/var/spack/repos/builtin/packages/r-git2r/package.py
index 2f427b05b22ac9883df94c5293dcfc7e25d0b57f..ad9545b6a24e4cc64369f3172d6cc4261820fe8e 100644
--- a/var/spack/repos/builtin/packages/r-git2r/package.py
+++ b/var/spack/repos/builtin/packages/r-git2r/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-glimma/package.py b/var/spack/repos/builtin/packages/r-glimma/package.py
index 768d94bbe1f153803c61d0c0aeec06e39e2decf2..5fe40e6594d6f659be6a4471a88a394de6ef2d04 100644
--- a/var/spack/repos/builtin/packages/r-glimma/package.py
+++ b/var/spack/repos/builtin/packages/r-glimma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-glmnet/package.py b/var/spack/repos/builtin/packages/r-glmnet/package.py
index 30c4e4d67ede44a8893f84b5febcce320f367ecc..7f79e5f0234a78fb9eaa21842eea224cd0ad13ff 100644
--- a/var/spack/repos/builtin/packages/r-glmnet/package.py
+++ b/var/spack/repos/builtin/packages/r-glmnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-globaloptions/package.py b/var/spack/repos/builtin/packages/r-globaloptions/package.py
index 8125125d2ee71757b3374795413c053f5c21e408..3aef7c1f65b8094ac498b56aa39b34fb24baf4b4 100644
--- a/var/spack/repos/builtin/packages/r-globaloptions/package.py
+++ b/var/spack/repos/builtin/packages/r-globaloptions/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-glue/package.py b/var/spack/repos/builtin/packages/r-glue/package.py
index 515c9f77c7bdc58a1ae12c7304d6dce9c3fc4b0a..bfd92fcdbd36b744af5158c2902acd965193dd32 100644
--- a/var/spack/repos/builtin/packages/r-glue/package.py
+++ b/var/spack/repos/builtin/packages/r-glue/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gmodels/package.py b/var/spack/repos/builtin/packages/r-gmodels/package.py
index 0a7ebc80d1169f9fc43bdc375cd08f3e20c7f16e..a9fd5541c0d566903aed889daea81be3125c5bb1 100644
--- a/var/spack/repos/builtin/packages/r-gmodels/package.py
+++ b/var/spack/repos/builtin/packages/r-gmodels/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gmp/package.py b/var/spack/repos/builtin/packages/r-gmp/package.py
index 05bb2f584e92f352d1bb07ab206e43156c7f8dc8..6aaa8d683ca4d4fd0865c203523bd3d2cb445e47 100644
--- a/var/spack/repos/builtin/packages/r-gmp/package.py
+++ b/var/spack/repos/builtin/packages/r-gmp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-go-db/package.py b/var/spack/repos/builtin/packages/r-go-db/package.py
index b57a164b4e69b96e6a3403a6034c8f4985ba14f0..61cd6d35dcaa73fa104732524223c3093e33bac4 100644
--- a/var/spack/repos/builtin/packages/r-go-db/package.py
+++ b/var/spack/repos/builtin/packages/r-go-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-googlevis/package.py b/var/spack/repos/builtin/packages/r-googlevis/package.py
index 0568ee554e361ec18cdcdda426cd6063cdaf6463..ac12962998af141c9831bd73222687fc932d98e1 100644
--- a/var/spack/repos/builtin/packages/r-googlevis/package.py
+++ b/var/spack/repos/builtin/packages/r-googlevis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-goplot/package.py b/var/spack/repos/builtin/packages/r-goplot/package.py
index 13ce8a1bc51a426e5b2a56cb325ef0e5bf3897ee..3d8e351cb64ccdc3abd2d542db640920d39845ea 100644
--- a/var/spack/repos/builtin/packages/r-goplot/package.py
+++ b/var/spack/repos/builtin/packages/r-goplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gosemsim/package.py b/var/spack/repos/builtin/packages/r-gosemsim/package.py
index c8861e4614ef0766b01a6d060634e64f0355010d..b425445b0c285957c96ba4c924564e582d66d345 100644
--- a/var/spack/repos/builtin/packages/r-gosemsim/package.py
+++ b/var/spack/repos/builtin/packages/r-gosemsim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-goseq/package.py b/var/spack/repos/builtin/packages/r-goseq/package.py
index b296d8a5dbc54a89f06100df6ce2c695f341ed79..5801169f1fb8a789214878cd3546756a5ffa19fc 100644
--- a/var/spack/repos/builtin/packages/r-goseq/package.py
+++ b/var/spack/repos/builtin/packages/r-goseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gostats/package.py b/var/spack/repos/builtin/packages/r-gostats/package.py
index b8ee1605986a05869e0c55bc48be4eb97c9e1231..36ca8a63d093498d6bf3f6c56ebbaf61086af365 100644
--- a/var/spack/repos/builtin/packages/r-gostats/package.py
+++ b/var/spack/repos/builtin/packages/r-gostats/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gplots/package.py b/var/spack/repos/builtin/packages/r-gplots/package.py
index 67b70a9062581c374f244cba88169857abe0a87d..ff81686ba343654a741bbc2c6bea8e0c6b9a7fed 100644
--- a/var/spack/repos/builtin/packages/r-gplots/package.py
+++ b/var/spack/repos/builtin/packages/r-gplots/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 #
 from spack import *
diff --git a/var/spack/repos/builtin/packages/r-graph/package.py b/var/spack/repos/builtin/packages/r-graph/package.py
index 0dbd4c25b6ea55d3a615ad74961189ad4e9d8921..88760e05bc87b9cf024f5bac255fa0f6ed7e8483 100644
--- a/var/spack/repos/builtin/packages/r-graph/package.py
+++ b/var/spack/repos/builtin/packages/r-graph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gridbase/package.py b/var/spack/repos/builtin/packages/r-gridbase/package.py
index cc9ab5ffd67476d802cee055a19f5c21ff3ce7b3..ed8e0b02679620dfa1e9c6e929765a0c838a8b7d 100644
--- a/var/spack/repos/builtin/packages/r-gridbase/package.py
+++ b/var/spack/repos/builtin/packages/r-gridbase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gridextra/package.py b/var/spack/repos/builtin/packages/r-gridextra/package.py
index fea484e57f8f4cc32c544e24ea9769179b08c96a..27c66a10ba826f2af71c846ccf24452c36edbe63 100644
--- a/var/spack/repos/builtin/packages/r-gridextra/package.py
+++ b/var/spack/repos/builtin/packages/r-gridextra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gseabase/package.py b/var/spack/repos/builtin/packages/r-gseabase/package.py
index 082d4ef3826f9a563d504c1ec73553ece7fd842d..6dbe982b5d27a1412b9000fc5dcd375be84850ba 100644
--- a/var/spack/repos/builtin/packages/r-gseabase/package.py
+++ b/var/spack/repos/builtin/packages/r-gseabase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gss/package.py b/var/spack/repos/builtin/packages/r-gss/package.py
index a6d3dff37fb490ae3b197d122171b8a2f659d63a..9d65dd1d32bccae8261d01def144df69652fb6d9 100644
--- a/var/spack/repos/builtin/packages/r-gss/package.py
+++ b/var/spack/repos/builtin/packages/r-gss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gsubfn/package.py b/var/spack/repos/builtin/packages/r-gsubfn/package.py
index e477fcb859cb267b36d68342a7c3cd4e16bed5de..ffe55f94a77a41ef87fa440a05049a969d038aba 100644
--- a/var/spack/repos/builtin/packages/r-gsubfn/package.py
+++ b/var/spack/repos/builtin/packages/r-gsubfn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gtable/package.py b/var/spack/repos/builtin/packages/r-gtable/package.py
index 50ad7ddd09116c06a78326da0dca6a2ed2d96110..e3400d641b9b7c95e776c2f605b28c39b6c4c1bd 100644
--- a/var/spack/repos/builtin/packages/r-gtable/package.py
+++ b/var/spack/repos/builtin/packages/r-gtable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gtools/package.py b/var/spack/repos/builtin/packages/r-gtools/package.py
index c7f947fb63fcdbdc71a8f5f2342c8b5e588ddecc..e42aae02206bc9c3da91c54c5b4c15fa3c4678d2 100644
--- a/var/spack/repos/builtin/packages/r-gtools/package.py
+++ b/var/spack/repos/builtin/packages/r-gtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gtrellis/package.py b/var/spack/repos/builtin/packages/r-gtrellis/package.py
index 9fdc67a21e8c82da010d9f20ad8e5ce6f3ee8897..a1558c9cbd721e7e84a322ebbcf9173d06ef8411 100644
--- a/var/spack/repos/builtin/packages/r-gtrellis/package.py
+++ b/var/spack/repos/builtin/packages/r-gtrellis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-gviz/package.py b/var/spack/repos/builtin/packages/r-gviz/package.py
index 2ec7adc275fbeb929804cc06d4820f69be92582e..23b886a34bca5be610eda14de1f2e8302f69e708 100644
--- a/var/spack/repos/builtin/packages/r-gviz/package.py
+++ b/var/spack/repos/builtin/packages/r-gviz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-haven/package.py b/var/spack/repos/builtin/packages/r-haven/package.py
index 6bd122e5cb835af59515632ecf5b4238d353c69e..dab9e486b5a5b50e9471050c0c5b66be6d0243f2 100644
--- a/var/spack/repos/builtin/packages/r-haven/package.py
+++ b/var/spack/repos/builtin/packages/r-haven/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-hexbin/package.py b/var/spack/repos/builtin/packages/r-hexbin/package.py
index 22669cfa2325de92ff85b22012ce58fb11e6cf88..8f71d729d41c20d282241b5cec316136502b29a5 100644
--- a/var/spack/repos/builtin/packages/r-hexbin/package.py
+++ b/var/spack/repos/builtin/packages/r-hexbin/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-highr/package.py b/var/spack/repos/builtin/packages/r-highr/package.py
index 0d04a78fe97fa7dc73a5084a6944afee2a46c5f0..fe8606ca598bfefa64a71dbb2424555abccf4bb3 100644
--- a/var/spack/repos/builtin/packages/r-highr/package.py
+++ b/var/spack/repos/builtin/packages/r-highr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-hmisc/package.py b/var/spack/repos/builtin/packages/r-hmisc/package.py
index a3824c3789eef572d789b6c84a9cf74dd19a2f39..11cc8907642f013df8f6da517d3a2a95c2ea54d9 100644
--- a/var/spack/repos/builtin/packages/r-hmisc/package.py
+++ b/var/spack/repos/builtin/packages/r-hmisc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-hms/package.py b/var/spack/repos/builtin/packages/r-hms/package.py
index 876c6300b02be20cd0cd950c7a499258df382ec3..caf95888d57fa197b8fbb4e8941277c40774928f 100644
--- a/var/spack/repos/builtin/packages/r-hms/package.py
+++ b/var/spack/repos/builtin/packages/r-hms/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-htmltable/package.py b/var/spack/repos/builtin/packages/r-htmltable/package.py
index f13f8dd4886a901a97513e31526e2d532a5851e6..d2b832d15132679d53c039423265e491c48fe237 100644
--- a/var/spack/repos/builtin/packages/r-htmltable/package.py
+++ b/var/spack/repos/builtin/packages/r-htmltable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-htmltools/package.py b/var/spack/repos/builtin/packages/r-htmltools/package.py
index c2740f7b1c8a49b1242fbdad127583565eaf0b89..4bedff2115ab0f54d5c52cad3e7d1822570c4685 100644
--- a/var/spack/repos/builtin/packages/r-htmltools/package.py
+++ b/var/spack/repos/builtin/packages/r-htmltools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-htmlwidgets/package.py b/var/spack/repos/builtin/packages/r-htmlwidgets/package.py
index 95f6c4db212e3f20484762448b954d7cabaab7f5..4416678974d4de608d0485af46039fded42e76e1 100644
--- a/var/spack/repos/builtin/packages/r-htmlwidgets/package.py
+++ b/var/spack/repos/builtin/packages/r-htmlwidgets/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-httpuv/package.py b/var/spack/repos/builtin/packages/r-httpuv/package.py
index 316eff27e21d4f33fc0c77aa8eb8a6398ceb9883..ac2967c49104a49e85511006b299add0f6e5e0c2 100644
--- a/var/spack/repos/builtin/packages/r-httpuv/package.py
+++ b/var/spack/repos/builtin/packages/r-httpuv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-httr/package.py b/var/spack/repos/builtin/packages/r-httr/package.py
index c742e99c7e09d0066829c9dcaf4cf84064a24be7..f3f5426fdddbc960e14ac344542c7d45c05c0db4 100644
--- a/var/spack/repos/builtin/packages/r-httr/package.py
+++ b/var/spack/repos/builtin/packages/r-httr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-hwriter/package.py b/var/spack/repos/builtin/packages/r-hwriter/package.py
index bd2a072840b038a30953eb97f1bc993f52dea8fa..348dec8b56e0370a7978d0cfec6a6b50272a12e7 100644
--- a/var/spack/repos/builtin/packages/r-hwriter/package.py
+++ b/var/spack/repos/builtin/packages/r-hwriter/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-hypergraph/package.py b/var/spack/repos/builtin/packages/r-hypergraph/package.py
index 579c32f1cb420d287933bf9a1c640ea75dc99a1b..8da1131197bceb30913087e5c88d7d3b75feb462 100644
--- a/var/spack/repos/builtin/packages/r-hypergraph/package.py
+++ b/var/spack/repos/builtin/packages/r-hypergraph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ica/package.py b/var/spack/repos/builtin/packages/r-ica/package.py
index 5bc0897cc4cfd7b15b4fa713c1acc5e59c86ceed..10e46c971e7ea5f01743a10426c570dc2b0542ee 100644
--- a/var/spack/repos/builtin/packages/r-ica/package.py
+++ b/var/spack/repos/builtin/packages/r-ica/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-igraph/package.py b/var/spack/repos/builtin/packages/r-igraph/package.py
index 865e6121b29793bd37c46bd4ba4d091a9f66f947..9d14815389327d6dab58e19bc5368fa944c8a8c1 100644
--- a/var/spack/repos/builtin/packages/r-igraph/package.py
+++ b/var/spack/repos/builtin/packages/r-igraph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-illuminaio/package.py b/var/spack/repos/builtin/packages/r-illuminaio/package.py
index abcd2713d3f6b22d2d9aa6f406d3283777c2a5a4..8e578421c660a861f919050cabf4698a724ee6d9 100644
--- a/var/spack/repos/builtin/packages/r-illuminaio/package.py
+++ b/var/spack/repos/builtin/packages/r-illuminaio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-impute/package.py b/var/spack/repos/builtin/packages/r-impute/package.py
index 233ce1b3f7de0bfde75c34d2bce1d3ed75961bf4..76cfb9be9b21335544b96f8075c8eb0a42f32b20 100644
--- a/var/spack/repos/builtin/packages/r-impute/package.py
+++ b/var/spack/repos/builtin/packages/r-impute/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-influencer/package.py b/var/spack/repos/builtin/packages/r-influencer/package.py
index 3b60842ce999ac9c173345176e8624d273096bdf..ded5558e9896297a1f323e6e800b99e3ec51a44e 100644
--- a/var/spack/repos/builtin/packages/r-influencer/package.py
+++ b/var/spack/repos/builtin/packages/r-influencer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-inline/package.py b/var/spack/repos/builtin/packages/r-inline/package.py
index 66f283f50e4c5f2e3f7814b227fd323cbfa00ccf..54e32607b3a5f9716b0958b87f02b253db92434d 100644
--- a/var/spack/repos/builtin/packages/r-inline/package.py
+++ b/var/spack/repos/builtin/packages/r-inline/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-interactivedisplaybase/package.py b/var/spack/repos/builtin/packages/r-interactivedisplaybase/package.py
index 74aff4a11f0e5dca5104e1bf5894b1d5acc3dd95..8a5a6a038d728785f5038ed29d455c3fdd79b06d 100644
--- a/var/spack/repos/builtin/packages/r-interactivedisplaybase/package.py
+++ b/var/spack/repos/builtin/packages/r-interactivedisplaybase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ipred/package.py b/var/spack/repos/builtin/packages/r-ipred/package.py
index b5a30b999e22a56a6f32ddf99ac5d79da873769f..825046560f78a2ae1150c23f43d8989d416f83ed 100644
--- a/var/spack/repos/builtin/packages/r-ipred/package.py
+++ b/var/spack/repos/builtin/packages/r-ipred/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-iranges/package.py b/var/spack/repos/builtin/packages/r-iranges/package.py
index aeff9561e47ac045a5d34c89eb5d71f074829551..5a79d0973b6a317ab8987c4de5ca4bc680af0bed 100644
--- a/var/spack/repos/builtin/packages/r-iranges/package.py
+++ b/var/spack/repos/builtin/packages/r-iranges/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-irdisplay/package.py b/var/spack/repos/builtin/packages/r-irdisplay/package.py
index 42f4a23957dc41ba30c3f64df70c908e97be7bc5..293c0bc7c09621f3c5c9456808f11951c342c697 100644
--- a/var/spack/repos/builtin/packages/r-irdisplay/package.py
+++ b/var/spack/repos/builtin/packages/r-irdisplay/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-irkernel/package.py b/var/spack/repos/builtin/packages/r-irkernel/package.py
index cfda326326fcb0bb287bf798f29280b1012ca434..2ab4c2d01ef885873febd330ec3cf383fd6739f3 100644
--- a/var/spack/repos/builtin/packages/r-irkernel/package.py
+++ b/var/spack/repos/builtin/packages/r-irkernel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-irlba/package.py b/var/spack/repos/builtin/packages/r-irlba/package.py
index 821fcc8d60ca9d560ea10327bfc27a223bc77aab..3062b2411ded902550818fdb3b1af1646d82fb2a 100644
--- a/var/spack/repos/builtin/packages/r-irlba/package.py
+++ b/var/spack/repos/builtin/packages/r-irlba/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-iso/package.py b/var/spack/repos/builtin/packages/r-iso/package.py
index 20316ee9952aaa70266066a81dce74f246965e09..bf9e428eb3b71654a5ac63c540eabe0e4ca16da7 100644
--- a/var/spack/repos/builtin/packages/r-iso/package.py
+++ b/var/spack/repos/builtin/packages/r-iso/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-iterators/package.py b/var/spack/repos/builtin/packages/r-iterators/package.py
index 99ed47a8faaede20a97edf23942b15eaf2b170e3..3b337cfa29a25d9807cf310595dfc2cfa125e701 100644
--- a/var/spack/repos/builtin/packages/r-iterators/package.py
+++ b/var/spack/repos/builtin/packages/r-iterators/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-janitor/package.py b/var/spack/repos/builtin/packages/r-janitor/package.py
index c555fc2dea81d880e30b659178e4adef312abcc1..eeb66b3c41b7db8245ab69431b2db12747fd3756 100644
--- a/var/spack/repos/builtin/packages/r-janitor/package.py
+++ b/var/spack/repos/builtin/packages/r-janitor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-jaspar2018/package.py b/var/spack/repos/builtin/packages/r-jaspar2018/package.py
index a82aa89e8a88f1d65faafba403846beb109fb8c5..a2bd68de8114543c64dad78002febaf9b05158e0 100644
--- a/var/spack/repos/builtin/packages/r-jaspar2018/package.py
+++ b/var/spack/repos/builtin/packages/r-jaspar2018/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-jomo/package.py b/var/spack/repos/builtin/packages/r-jomo/package.py
index f63a88be6bbaef5e754aa12368c4138f69f189a1..adc88c4ed5a104491bd89d9787392580c4aae21b 100644
--- a/var/spack/repos/builtin/packages/r-jomo/package.py
+++ b/var/spack/repos/builtin/packages/r-jomo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-jpeg/package.py b/var/spack/repos/builtin/packages/r-jpeg/package.py
index a97bd30c153b859c08aaa86fd83b70a66565e716..e8c379ce8d1a92976bf31cf3de0c20812044cf24 100644
--- a/var/spack/repos/builtin/packages/r-jpeg/package.py
+++ b/var/spack/repos/builtin/packages/r-jpeg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-jsonlite/package.py b/var/spack/repos/builtin/packages/r-jsonlite/package.py
index aeede2effbce51d12d1f5170d1d09f62ad38d717..2403ec762ae42c5757bb91213a15a3144b25a8e5 100644
--- a/var/spack/repos/builtin/packages/r-jsonlite/package.py
+++ b/var/spack/repos/builtin/packages/r-jsonlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-kegg-db/package.py b/var/spack/repos/builtin/packages/r-kegg-db/package.py
index 523c9a68080e264f07dd1546d7f5fa00151faddf..db4f1ff9e7f6e05f5912b7583cde628467ae01d4 100644
--- a/var/spack/repos/builtin/packages/r-kegg-db/package.py
+++ b/var/spack/repos/builtin/packages/r-kegg-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-kegggraph/package.py b/var/spack/repos/builtin/packages/r-kegggraph/package.py
index 579ce11f52c2673570240cb087d962f1e113b1cf..424ceca845ab3efd2540d76311012777547907ec 100644
--- a/var/spack/repos/builtin/packages/r-kegggraph/package.py
+++ b/var/spack/repos/builtin/packages/r-kegggraph/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-keggrest/package.py b/var/spack/repos/builtin/packages/r-keggrest/package.py
index 573ca54a6444bf32eab2ec66b575f4cfd0343cca..d19446e9a2178ed49c7d0025b5c56ff2b33713c6 100644
--- a/var/spack/repos/builtin/packages/r-keggrest/package.py
+++ b/var/spack/repos/builtin/packages/r-keggrest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-kernlab/package.py b/var/spack/repos/builtin/packages/r-kernlab/package.py
index c179f08efdf297ded6f1416e3966198fadaa48c1..a2191441b03969f611b86a124a353ba5d01d3807 100644
--- a/var/spack/repos/builtin/packages/r-kernlab/package.py
+++ b/var/spack/repos/builtin/packages/r-kernlab/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-kernsmooth/package.py b/var/spack/repos/builtin/packages/r-kernsmooth/package.py
index c95a5fdff1cdbab4f971640fff35285d173355c3..c1ad34ec2152ba3d51e35af38ee56897aa84b9d1 100644
--- a/var/spack/repos/builtin/packages/r-kernsmooth/package.py
+++ b/var/spack/repos/builtin/packages/r-kernsmooth/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-kknn/package.py b/var/spack/repos/builtin/packages/r-kknn/package.py
index 84fd604fd56bdee5c862920b50cd888919ac4c07..8d07faf28551625229946ca4670b806eb080ef35 100644
--- a/var/spack/repos/builtin/packages/r-kknn/package.py
+++ b/var/spack/repos/builtin/packages/r-kknn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-knitr/package.py b/var/spack/repos/builtin/packages/r-knitr/package.py
index 9375b53ac1b62716a3239b85cc8300012fce09ab..8b92234ce046ce81c8f0d392798a85c541777e9d 100644
--- a/var/spack/repos/builtin/packages/r-knitr/package.py
+++ b/var/spack/repos/builtin/packages/r-knitr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-ks/package.py b/var/spack/repos/builtin/packages/r-ks/package.py
index 7ca72bdcb7f18390a248b5016533d4bc72be3ebb..dca118bdf594e888fc8ff6019f27ce2fbe3e1ecc 100644
--- a/var/spack/repos/builtin/packages/r-ks/package.py
+++ b/var/spack/repos/builtin/packages/r-ks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-labeling/package.py b/var/spack/repos/builtin/packages/r-labeling/package.py
index 8c24656a8e53a183dc7fa3950bfcf5b1cc3908fc..49c8c640dc900a8a96f0b83254af232a9f5ccdb4 100644
--- a/var/spack/repos/builtin/packages/r-labeling/package.py
+++ b/var/spack/repos/builtin/packages/r-labeling/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lambda-r/package.py b/var/spack/repos/builtin/packages/r-lambda-r/package.py
index 79dc5e1bc6d46c1c5494a1325788c69549e90a81..d6a2b56c1ed0512386ebfa63dba2e08752fb5ef8 100644
--- a/var/spack/repos/builtin/packages/r-lambda-r/package.py
+++ b/var/spack/repos/builtin/packages/r-lambda-r/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-laplacesdemon/package.py b/var/spack/repos/builtin/packages/r-laplacesdemon/package.py
index 547465b1ba8d7fabe4b21c7b77308f9993c14f02..e255cb1e49ccfe253076a2cfd81472cb47b28934 100644
--- a/var/spack/repos/builtin/packages/r-laplacesdemon/package.py
+++ b/var/spack/repos/builtin/packages/r-laplacesdemon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lars/package.py b/var/spack/repos/builtin/packages/r-lars/package.py
index 53a733cb7bf476a8c4664c4c2b5bc53a99756169..8788aa715f077c7e399a0176e510632b964d5431 100644
--- a/var/spack/repos/builtin/packages/r-lars/package.py
+++ b/var/spack/repos/builtin/packages/r-lars/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lattice/package.py b/var/spack/repos/builtin/packages/r-lattice/package.py
index bd89e3a571230871bc383fc26da3ec2f23d257cf..80450bee59611f326c6a6746e6fe62e10de4ecd8 100644
--- a/var/spack/repos/builtin/packages/r-lattice/package.py
+++ b/var/spack/repos/builtin/packages/r-lattice/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-latticeextra/package.py b/var/spack/repos/builtin/packages/r-latticeextra/package.py
index 9b9562703dd1d45cb89a69a09a45bcf29ba93450..a337e26ed5d6fdcd9ea1f746038d58f5f7c1b323 100644
--- a/var/spack/repos/builtin/packages/r-latticeextra/package.py
+++ b/var/spack/repos/builtin/packages/r-latticeextra/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lava/package.py b/var/spack/repos/builtin/packages/r-lava/package.py
index 1c01bc400249ee4a55004c0c97a9ac70fbb58018..deb37f9da791451b3226182edd0a381edff67b19 100644
--- a/var/spack/repos/builtin/packages/r-lava/package.py
+++ b/var/spack/repos/builtin/packages/r-lava/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lazyeval/package.py b/var/spack/repos/builtin/packages/r-lazyeval/package.py
index eafa8352298963eadcfcf62d7ff586d4b31543c6..035661c0ccce4894b64c210cec141e5252e8c98d 100644
--- a/var/spack/repos/builtin/packages/r-lazyeval/package.py
+++ b/var/spack/repos/builtin/packages/r-lazyeval/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-leaflet/package.py b/var/spack/repos/builtin/packages/r-leaflet/package.py
index 5a179be9658b712b4564d47d8b80b729337226c3..fd418c4dc8b73e8327c03e51075a6fe64e3c43a2 100644
--- a/var/spack/repos/builtin/packages/r-leaflet/package.py
+++ b/var/spack/repos/builtin/packages/r-leaflet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-leaps/package.py b/var/spack/repos/builtin/packages/r-leaps/package.py
index 2176bbabcce18bb27245a432ee27d5965ae196a9..056c84fea1962737929427efe893bf33a708e28e 100644
--- a/var/spack/repos/builtin/packages/r-leaps/package.py
+++ b/var/spack/repos/builtin/packages/r-leaps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-learnbayes/package.py b/var/spack/repos/builtin/packages/r-learnbayes/package.py
index 69ee46ab8dcb3ff2eebf7213af63de6605322cb0..731f6488d13395171393b27d62a5edb401696e12 100644
--- a/var/spack/repos/builtin/packages/r-learnbayes/package.py
+++ b/var/spack/repos/builtin/packages/r-learnbayes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lhs/package.py b/var/spack/repos/builtin/packages/r-lhs/package.py
index ac464e734ba4afcf675d29deb1948d9a43e61ec6..c607d68124aa54e476f43c39b77ebf485f60ec1f 100644
--- a/var/spack/repos/builtin/packages/r-lhs/package.py
+++ b/var/spack/repos/builtin/packages/r-lhs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-limma/package.py b/var/spack/repos/builtin/packages/r-limma/package.py
index 772f8ae43023de295b90d1dba12785d61adea7b3..7de1463b5fcebc98b013db062b0cb8300d65dc1b 100644
--- a/var/spack/repos/builtin/packages/r-limma/package.py
+++ b/var/spack/repos/builtin/packages/r-limma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lme4/package.py b/var/spack/repos/builtin/packages/r-lme4/package.py
index 90958cc9f3aa11318ba805d9adbdb27a28d21fa0..8ba8e92a129d96fc3611491aa3fe74110bf22139 100644
--- a/var/spack/repos/builtin/packages/r-lme4/package.py
+++ b/var/spack/repos/builtin/packages/r-lme4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lmtest/package.py b/var/spack/repos/builtin/packages/r-lmtest/package.py
index 8b1f0ab910055a7d07d65a17e35f44ccf5368ffb..ad8dbaf46862d268c1daefdc9d1f2130202e6857 100644
--- a/var/spack/repos/builtin/packages/r-lmtest/package.py
+++ b/var/spack/repos/builtin/packages/r-lmtest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-locfit/package.py b/var/spack/repos/builtin/packages/r-locfit/package.py
index f531526661256fccb9304804bdae5054bbd556ee..f08811d14bb25b94b093cad4b3e5220dc04464fc 100644
--- a/var/spack/repos/builtin/packages/r-locfit/package.py
+++ b/var/spack/repos/builtin/packages/r-locfit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-log4r/package.py b/var/spack/repos/builtin/packages/r-log4r/package.py
index 5c537cd6061d000af5c30377d0924e1eb3776ed1..28cd6314e7817d672c9b75d4158bd9c6acff86be 100644
--- a/var/spack/repos/builtin/packages/r-log4r/package.py
+++ b/var/spack/repos/builtin/packages/r-log4r/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lpsolve/package.py b/var/spack/repos/builtin/packages/r-lpsolve/package.py
index e3c225335fdb1a68f047d70c8aaa8b7cc03f3794..e3690b86f9100ee9a7404501dc960c6382078c00 100644
--- a/var/spack/repos/builtin/packages/r-lpsolve/package.py
+++ b/var/spack/repos/builtin/packages/r-lpsolve/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lsei/package.py b/var/spack/repos/builtin/packages/r-lsei/package.py
index 378512a21ed24f45c53be3631d04df4480e3e366..5d23d1099188db0ba921b4830b5bbbcaa7ea741e 100644
--- a/var/spack/repos/builtin/packages/r-lsei/package.py
+++ b/var/spack/repos/builtin/packages/r-lsei/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-lubridate/package.py b/var/spack/repos/builtin/packages/r-lubridate/package.py
index 2e8aab8e004f4040b3963f9b72dfde0fb44ae2c5..d156d2c7761c2f0880060866861101eb87759f2b 100644
--- a/var/spack/repos/builtin/packages/r-lubridate/package.py
+++ b/var/spack/repos/builtin/packages/r-lubridate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-magic/package.py b/var/spack/repos/builtin/packages/r-magic/package.py
index aabc238a69cd1933dc70a7ede0ce0f1d83ad49f6..7365cfc3dd58d67e4b08aa0a647590badbe9aa2b 100644
--- a/var/spack/repos/builtin/packages/r-magic/package.py
+++ b/var/spack/repos/builtin/packages/r-magic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-magrittr/package.py b/var/spack/repos/builtin/packages/r-magrittr/package.py
index 8d50112795edf27f66ebcb7070dae1cfd650c139..a52960890b645c5374e9d54d800020af9da0a512 100644
--- a/var/spack/repos/builtin/packages/r-magrittr/package.py
+++ b/var/spack/repos/builtin/packages/r-magrittr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-makecdfenv/package.py b/var/spack/repos/builtin/packages/r-makecdfenv/package.py
index e78c88d9eeb9d91e0253df4ba8bb3a5e292c4cbc..fe307b5220300af85691d09f1ee522defa830d36 100644
--- a/var/spack/repos/builtin/packages/r-makecdfenv/package.py
+++ b/var/spack/repos/builtin/packages/r-makecdfenv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-maldiquant/package.py b/var/spack/repos/builtin/packages/r-maldiquant/package.py
index eed50fcd65583c01b338ac1a1c5662260c46b0dd..69ad9033b5445374451f03c7113f04fe97d2b33e 100644
--- a/var/spack/repos/builtin/packages/r-maldiquant/package.py
+++ b/var/spack/repos/builtin/packages/r-maldiquant/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mapproj/package.py b/var/spack/repos/builtin/packages/r-mapproj/package.py
index f17700ed60dda25aab211c1cd4557535da5f20f1..689e175d67c0d0023a342653ec4585f81fc3b1ed 100644
--- a/var/spack/repos/builtin/packages/r-mapproj/package.py
+++ b/var/spack/repos/builtin/packages/r-mapproj/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-maps/package.py b/var/spack/repos/builtin/packages/r-maps/package.py
index e9245a0bc38ca003fae4488c71dad933c233507f..4895599fa0546f986073d5b9df5083fc97f0076a 100644
--- a/var/spack/repos/builtin/packages/r-maps/package.py
+++ b/var/spack/repos/builtin/packages/r-maps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-maptools/package.py b/var/spack/repos/builtin/packages/r-maptools/package.py
index c46991273b93189293b46caf304bebf7f59d803c..6a7487cc94cade3e5987e57a71eab5d69d30f776 100644
--- a/var/spack/repos/builtin/packages/r-maptools/package.py
+++ b/var/spack/repos/builtin/packages/r-maptools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-markdown/package.py b/var/spack/repos/builtin/packages/r-markdown/package.py
index 8955fea26957add3937b0b986942342aaea372f3..ff9175ae977edb5c847d9d57e3d831892f882f07 100644
--- a/var/spack/repos/builtin/packages/r-markdown/package.py
+++ b/var/spack/repos/builtin/packages/r-markdown/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mass/package.py b/var/spack/repos/builtin/packages/r-mass/package.py
index d4fd3a2c2f0a3b596ece15d259552d338b86f571..9bcd7bf70b22416a78370f110ec1969557e6c728 100644
--- a/var/spack/repos/builtin/packages/r-mass/package.py
+++ b/var/spack/repos/builtin/packages/r-mass/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-matr/package.py b/var/spack/repos/builtin/packages/r-matr/package.py
index b7a146c32469e404f0b86504bb4a172e074a517f..646dba9e89841894fb8835dc37857ccaab390599 100644
--- a/var/spack/repos/builtin/packages/r-matr/package.py
+++ b/var/spack/repos/builtin/packages/r-matr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-matrix/package.py b/var/spack/repos/builtin/packages/r-matrix/package.py
index bd6b5dfd4a9f1adc4b57b99235a7f87412740e7f..533cece9ff707f2af9dfe631bdbd34689f3f83f1 100644
--- a/var/spack/repos/builtin/packages/r-matrix/package.py
+++ b/var/spack/repos/builtin/packages/r-matrix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-matrixmodels/package.py b/var/spack/repos/builtin/packages/r-matrixmodels/package.py
index 01830f45127dc2382304cf6d8048dfec63264a31..02fc848414ea4903f1b88f212f71535853674295 100644
--- a/var/spack/repos/builtin/packages/r-matrixmodels/package.py
+++ b/var/spack/repos/builtin/packages/r-matrixmodels/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-matrixstats/package.py b/var/spack/repos/builtin/packages/r-matrixstats/package.py
index c7fa047e7f1b2dcc81cd92298928d0110709cfe1..79001b68029fdd3de4f8cd7f49170776ecedbfc8 100644
--- a/var/spack/repos/builtin/packages/r-matrixstats/package.py
+++ b/var/spack/repos/builtin/packages/r-matrixstats/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mclust/package.py b/var/spack/repos/builtin/packages/r-mclust/package.py
index 42a74a0a380b5bde47e67371401f502e8d8773a3..c198d9905ce96f3ce44b021e27b455b87e61ff63 100644
--- a/var/spack/repos/builtin/packages/r-mclust/package.py
+++ b/var/spack/repos/builtin/packages/r-mclust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mcmcglmm/package.py b/var/spack/repos/builtin/packages/r-mcmcglmm/package.py
index b50fa8176727f294e2b5cf7b4c35a918cb559a15..edf11d4c55ac04ab5c9ed6fc1acb41302594a366 100644
--- a/var/spack/repos/builtin/packages/r-mcmcglmm/package.py
+++ b/var/spack/repos/builtin/packages/r-mcmcglmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mco/package.py b/var/spack/repos/builtin/packages/r-mco/package.py
index d35103d9dc6e7b6ebe6643afc8a908dfa4f1e6c0..eae3fe7a99776945cb69486381ef106133531647 100644
--- a/var/spack/repos/builtin/packages/r-mco/package.py
+++ b/var/spack/repos/builtin/packages/r-mco/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mda/package.py b/var/spack/repos/builtin/packages/r-mda/package.py
index 65762ad37b56dd066e3822001d41c301e4163830..f59f09844e999b9e3934926c3b2c73d4271bc8fa 100644
--- a/var/spack/repos/builtin/packages/r-mda/package.py
+++ b/var/spack/repos/builtin/packages/r-mda/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-memoise/package.py b/var/spack/repos/builtin/packages/r-memoise/package.py
index b970c92e69cb43bbc80147c642cf9914206542c7..e8a8b32e1bb6b181ef65aa35c7ba6221d9e46423 100644
--- a/var/spack/repos/builtin/packages/r-memoise/package.py
+++ b/var/spack/repos/builtin/packages/r-memoise/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mergemaid/package.py b/var/spack/repos/builtin/packages/r-mergemaid/package.py
index 8a4dd4dcbfc70710e4cd61ea6c69ca9956da1aa0..ff4ae551f364ff8c50c3f8eb22385fe50c70ccde 100644
--- a/var/spack/repos/builtin/packages/r-mergemaid/package.py
+++ b/var/spack/repos/builtin/packages/r-mergemaid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-methodss3/package.py b/var/spack/repos/builtin/packages/r-methodss3/package.py
index 10c387b7ac028fda13ad55409a1e3744f65538a4..d5793a73a00ee9ac22c4739e27b88b40d0c588f7 100644
--- a/var/spack/repos/builtin/packages/r-methodss3/package.py
+++ b/var/spack/repos/builtin/packages/r-methodss3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mgcv/package.py b/var/spack/repos/builtin/packages/r-mgcv/package.py
index 43327aae552932d05eb702d92e2e3c5e98f88f63..22296ac36dfbf6552bfe9174c7cb9bdbb16b03f3 100644
--- a/var/spack/repos/builtin/packages/r-mgcv/package.py
+++ b/var/spack/repos/builtin/packages/r-mgcv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mgraster/package.py b/var/spack/repos/builtin/packages/r-mgraster/package.py
index bca66dc2506a39f57095c03b1f88b879d08c9893..f3e3978860422db7a4318f9ca8829be1a631eb63 100644
--- a/var/spack/repos/builtin/packages/r-mgraster/package.py
+++ b/var/spack/repos/builtin/packages/r-mgraster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mice/package.py b/var/spack/repos/builtin/packages/r-mice/package.py
index 43bf35dbdd8fd1b2654ad795310db555d2ee73db..e18a83c9a483fbd2537f787b79ed48c024e3904c 100644
--- a/var/spack/repos/builtin/packages/r-mice/package.py
+++ b/var/spack/repos/builtin/packages/r-mice/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mime/package.py b/var/spack/repos/builtin/packages/r-mime/package.py
index 7f7ee713d2bee0c3dc4a78a5228d0c8aa651cce3..4d0dd95015cec4b98ce54efdb5606e7fc3c96e72 100644
--- a/var/spack/repos/builtin/packages/r-mime/package.py
+++ b/var/spack/repos/builtin/packages/r-mime/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-minfi/package.py b/var/spack/repos/builtin/packages/r-minfi/package.py
index bb5d30575240c9a826225c4a2b94f496059fa18f..06cfff4cefeba1c4f15b333bcf76b959fbdf0ef0 100644
--- a/var/spack/repos/builtin/packages/r-minfi/package.py
+++ b/var/spack/repos/builtin/packages/r-minfi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-minqa/package.py b/var/spack/repos/builtin/packages/r-minqa/package.py
index 360c579670ab969148beabb696f7c870990973dc..4b52bef0aab6b953fe0a88a3ab048c43e229154d 100644
--- a/var/spack/repos/builtin/packages/r-minqa/package.py
+++ b/var/spack/repos/builtin/packages/r-minqa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-misc3d/package.py b/var/spack/repos/builtin/packages/r-misc3d/package.py
index 8041858ef483523e2a4b1664bbef72f795416f37..838b8bf738371bd914c62609e5766dca5cbd4597 100644
--- a/var/spack/repos/builtin/packages/r-misc3d/package.py
+++ b/var/spack/repos/builtin/packages/r-misc3d/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mitml/package.py b/var/spack/repos/builtin/packages/r-mitml/package.py
index 08d506e8ce756205593dba6d5a5840676c3fb92a..4a0f91d65c4b102529c8a16845cd237a93da7ad2 100644
--- a/var/spack/repos/builtin/packages/r-mitml/package.py
+++ b/var/spack/repos/builtin/packages/r-mitml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mixtools/package.py b/var/spack/repos/builtin/packages/r-mixtools/package.py
index 309b13dd6fdd1f44cc5acc050374897047d8044d..3538113eb8dfde187037f8c704a9a8cb2e3e4a68 100644
--- a/var/spack/repos/builtin/packages/r-mixtools/package.py
+++ b/var/spack/repos/builtin/packages/r-mixtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mlbench/package.py b/var/spack/repos/builtin/packages/r-mlbench/package.py
index bedf7354c17d8e7a76ba900cc7550a8790335c39..c2eec7e41808d8b2123150b432ee5dafa7770a5a 100644
--- a/var/spack/repos/builtin/packages/r-mlbench/package.py
+++ b/var/spack/repos/builtin/packages/r-mlbench/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mlinterfaces/package.py b/var/spack/repos/builtin/packages/r-mlinterfaces/package.py
index 709a3754b73c6fc7db37a9ba6d778b0cf807dda3..79ea6ba8093e7830cb7e144b68bc2cc2d786afc7 100644
--- a/var/spack/repos/builtin/packages/r-mlinterfaces/package.py
+++ b/var/spack/repos/builtin/packages/r-mlinterfaces/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mlr/package.py b/var/spack/repos/builtin/packages/r-mlr/package.py
index 029a5e07cde647dc3f9e118c6883c75eb1acec0d..120c7adaa99471e3b1413f7e5e3cb3f6f5e166c2 100644
--- a/var/spack/repos/builtin/packages/r-mlr/package.py
+++ b/var/spack/repos/builtin/packages/r-mlr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mlrmbo/package.py b/var/spack/repos/builtin/packages/r-mlrmbo/package.py
index 41cdb96ff961248fdd62d3b70fd70bc1a2731bcb..3f789a869c3319414de21b98a96976490b042963 100644
--- a/var/spack/repos/builtin/packages/r-mlrmbo/package.py
+++ b/var/spack/repos/builtin/packages/r-mlrmbo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mmwrweek/package.py b/var/spack/repos/builtin/packages/r-mmwrweek/package.py
index 4a5f3e7cdfffa3c6665d8a641856b452cd0146a7..f62bd6275c6e2329c1ecc8c970877ac1c78fe54d 100644
--- a/var/spack/repos/builtin/packages/r-mmwrweek/package.py
+++ b/var/spack/repos/builtin/packages/r-mmwrweek/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mnormt/package.py b/var/spack/repos/builtin/packages/r-mnormt/package.py
index 7c7fea47505dc798e18d20eaf58c4afd7aa36f52..34c88cf85ad8a512b63bd2129998fce85fd4b932 100644
--- a/var/spack/repos/builtin/packages/r-mnormt/package.py
+++ b/var/spack/repos/builtin/packages/r-mnormt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-modelmetrics/package.py b/var/spack/repos/builtin/packages/r-modelmetrics/package.py
index 41dbb4f6355ffb7dc2d753b1967d71a444296cf8..fd4648abd93185ea08206f0a6fcca3ed0bdf6f54 100644
--- a/var/spack/repos/builtin/packages/r-modelmetrics/package.py
+++ b/var/spack/repos/builtin/packages/r-modelmetrics/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-modelr/package.py b/var/spack/repos/builtin/packages/r-modelr/package.py
index eb8a0d0a6c1527b00d61cfccab6de828c50a5ef1..2d9bf982ef7b1173366ebc38ab17970fce4a3196 100644
--- a/var/spack/repos/builtin/packages/r-modelr/package.py
+++ b/var/spack/repos/builtin/packages/r-modelr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-modeltools/package.py b/var/spack/repos/builtin/packages/r-modeltools/package.py
index 931cf257143336b37d92aecbbdbe3795ff8d045d..5f8b660029eccb95e6930a33d9135b5753cfc2a5 100644
--- a/var/spack/repos/builtin/packages/r-modeltools/package.py
+++ b/var/spack/repos/builtin/packages/r-modeltools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mpm/package.py b/var/spack/repos/builtin/packages/r-mpm/package.py
index bc3e850806ba83218a7cdb383ba28f754c8ba069..7bf560cc8c94dc0a4e17c18659ade6a451083dca 100644
--- a/var/spack/repos/builtin/packages/r-mpm/package.py
+++ b/var/spack/repos/builtin/packages/r-mpm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-msnbase/package.py b/var/spack/repos/builtin/packages/r-msnbase/package.py
index d59737a8a9bc6c34d9df72e508876664c2f89a7b..78f882ec5357c1a1523d7ff55226e7018ac87cb5 100644
--- a/var/spack/repos/builtin/packages/r-msnbase/package.py
+++ b/var/spack/repos/builtin/packages/r-msnbase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-multcomp/package.py b/var/spack/repos/builtin/packages/r-multcomp/package.py
index 116c69aded17836475b704ff2ab52743e1a163e6..d8eb6b6d5c14ff0db16d8848ce93e6c4cb497b21 100644
--- a/var/spack/repos/builtin/packages/r-multcomp/package.py
+++ b/var/spack/repos/builtin/packages/r-multcomp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-multicool/package.py b/var/spack/repos/builtin/packages/r-multicool/package.py
index 4d112f45c699eeb79d59eb1aee5ea8541ecf1483..3bb41ac560e013f37b9df312a7e491740f879161 100644
--- a/var/spack/repos/builtin/packages/r-multicool/package.py
+++ b/var/spack/repos/builtin/packages/r-multicool/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-multtest/package.py b/var/spack/repos/builtin/packages/r-multtest/package.py
index 89739c78b78cd29a7b5779f3f851b2b1199d8785..aa5e5a34a0de4573e28dca536fd4b2f778d3ab5c 100644
--- a/var/spack/repos/builtin/packages/r-multtest/package.py
+++ b/var/spack/repos/builtin/packages/r-multtest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-munsell/package.py b/var/spack/repos/builtin/packages/r-munsell/package.py
index 423c43051154f54781f429136cdf4716832cd919..353e9ecd2c25c30938daf5da18091f1c6b244551 100644
--- a/var/spack/repos/builtin/packages/r-munsell/package.py
+++ b/var/spack/repos/builtin/packages/r-munsell/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mvtnorm/package.py b/var/spack/repos/builtin/packages/r-mvtnorm/package.py
index ac4978405551b26a35bbca198815f0db4dc942ea..e341a2e76e852f7cd5f7cf6b795fe7677f0b3300 100644
--- a/var/spack/repos/builtin/packages/r-mvtnorm/package.py
+++ b/var/spack/repos/builtin/packages/r-mvtnorm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mzid/package.py b/var/spack/repos/builtin/packages/r-mzid/package.py
index 9abc4465c978baa2c17210910f93dabb1518e474..ea9778ffcb335a3c8fd79852d3a857c815286b8a 100644
--- a/var/spack/repos/builtin/packages/r-mzid/package.py
+++ b/var/spack/repos/builtin/packages/r-mzid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-mzr/package.py b/var/spack/repos/builtin/packages/r-mzr/package.py
index 18c65bb1e3e3572c892a3be74b906650195b4b02..19b5080037e58ae55444910950f879729e6f6c18 100644
--- a/var/spack/repos/builtin/packages/r-mzr/package.py
+++ b/var/spack/repos/builtin/packages/r-mzr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nanotime/package.py b/var/spack/repos/builtin/packages/r-nanotime/package.py
index a5b6bfeaf00f67c8b05b34ced8da7be0ca30c081..07c3d8830a09ef1390a142812a3708e1c845f7c3 100644
--- a/var/spack/repos/builtin/packages/r-nanotime/package.py
+++ b/var/spack/repos/builtin/packages/r-nanotime/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ncbit/package.py b/var/spack/repos/builtin/packages/r-ncbit/package.py
index f1e90ac464631c677cf54357ce1c9cef342e4983..3d66e92009db89e968ddc4ff4847bfc6f8455e42 100644
--- a/var/spack/repos/builtin/packages/r-ncbit/package.py
+++ b/var/spack/repos/builtin/packages/r-ncbit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ncdf4/package.py b/var/spack/repos/builtin/packages/r-ncdf4/package.py
index fd85c91cd548e119b0dc47bbb82051d792276d08..d38ba6d5b95d1da2cbfcf839160e707a9149e043 100644
--- a/var/spack/repos/builtin/packages/r-ncdf4/package.py
+++ b/var/spack/repos/builtin/packages/r-ncdf4/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-network/package.py b/var/spack/repos/builtin/packages/r-network/package.py
index 40d6492396345a6c7425c0f176c746f91447547f..e586c6d03030e3cbe313a8119d7752018234464f 100644
--- a/var/spack/repos/builtin/packages/r-network/package.py
+++ b/var/spack/repos/builtin/packages/r-network/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-networkd3/package.py b/var/spack/repos/builtin/packages/r-networkd3/package.py
index ad2f1e91aeacb93b4214c4718c233c2ca2d94b09..45eada135ff7442725cfc25532f9b3908e4d8011 100644
--- a/var/spack/repos/builtin/packages/r-networkd3/package.py
+++ b/var/spack/repos/builtin/packages/r-networkd3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nlme/package.py b/var/spack/repos/builtin/packages/r-nlme/package.py
index 01d4cced45b8e8a78690280462cbac546a0835e0..fac6a7c7f6b835f72b264ddf0d12fb0100d8aceb 100644
--- a/var/spack/repos/builtin/packages/r-nlme/package.py
+++ b/var/spack/repos/builtin/packages/r-nlme/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nloptr/package.py b/var/spack/repos/builtin/packages/r-nloptr/package.py
index f1fd3eaa83ca5cd2077609e85ebaac0971c31788..d77d18f17f2f14ee72e28c492a167a796432138d 100644
--- a/var/spack/repos/builtin/packages/r-nloptr/package.py
+++ b/var/spack/repos/builtin/packages/r-nloptr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nmf/package.py b/var/spack/repos/builtin/packages/r-nmf/package.py
index b17152e3e098085ec4a5e85018a0a1794ef9f240..8be0914277ce766fe034345125a33b39e9bbdc69 100644
--- a/var/spack/repos/builtin/packages/r-nmf/package.py
+++ b/var/spack/repos/builtin/packages/r-nmf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nnet/package.py b/var/spack/repos/builtin/packages/r-nnet/package.py
index 44312314eb18e0a0f5e96c147e90a82fa4f502f0..1326221ceb4044b9104e2d4aee4332beff90aca9 100644
--- a/var/spack/repos/builtin/packages/r-nnet/package.py
+++ b/var/spack/repos/builtin/packages/r-nnet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nnls/package.py b/var/spack/repos/builtin/packages/r-nnls/package.py
index 691dff4267057081fb30387d39650106724719d9..3da3e20b63b60453b66ccd5f7138c823a33acf69 100644
--- a/var/spack/repos/builtin/packages/r-nnls/package.py
+++ b/var/spack/repos/builtin/packages/r-nnls/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-nor1mix/package.py b/var/spack/repos/builtin/packages/r-nor1mix/package.py
index 005cde22fea48028af6c7b0d117fe2527a462632..9e4f27007bf7de99e47a363cd3d1e3aa5b5b93ea 100644
--- a/var/spack/repos/builtin/packages/r-nor1mix/package.py
+++ b/var/spack/repos/builtin/packages/r-nor1mix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-np/package.py b/var/spack/repos/builtin/packages/r-np/package.py
index b3cbb0e5a1fcf35e446c9f628b769ba014906ae6..1a32b6f71ddcf87bacce11b337f4f6b09170a71f 100644
--- a/var/spack/repos/builtin/packages/r-np/package.py
+++ b/var/spack/repos/builtin/packages/r-np/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-numderiv/package.py b/var/spack/repos/builtin/packages/r-numderiv/package.py
index a5160ef864501115a0fce86ea7b1d6791d3ad892..8e145d572f685c49019da6c16119e6c050d79cbb 100644
--- a/var/spack/repos/builtin/packages/r-numderiv/package.py
+++ b/var/spack/repos/builtin/packages/r-numderiv/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-oligoclasses/package.py b/var/spack/repos/builtin/packages/r-oligoclasses/package.py
index aee2afeb960400f5f1cbddeade1726cd394b5245..86d72876feb0cfcb2d38e2597f32d4250fde4c86 100644
--- a/var/spack/repos/builtin/packages/r-oligoclasses/package.py
+++ b/var/spack/repos/builtin/packages/r-oligoclasses/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-oo/package.py b/var/spack/repos/builtin/packages/r-oo/package.py
index 8fe36a74227441952330fbf64af9469ca75f71fe..6cba9eb491d70ed4f81c63da67582c079bb563b0 100644
--- a/var/spack/repos/builtin/packages/r-oo/package.py
+++ b/var/spack/repos/builtin/packages/r-oo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-openssl/package.py b/var/spack/repos/builtin/packages/r-openssl/package.py
index edcff2f362bb845f40fc19287d84fcac7f4ce81d..4b228646ac68c1f227e2adead9e3ad2c79dfa693 100644
--- a/var/spack/repos/builtin/packages/r-openssl/package.py
+++ b/var/spack/repos/builtin/packages/r-openssl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-org-hs-eg-db/package.py b/var/spack/repos/builtin/packages/r-org-hs-eg-db/package.py
index a781deb8d04f68c9d0c6f57b244875d0270131e4..893c6618f7ff9585417b56350bfedddf642978f3 100644
--- a/var/spack/repos/builtin/packages/r-org-hs-eg-db/package.py
+++ b/var/spack/repos/builtin/packages/r-org-hs-eg-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-organismdbi/package.py b/var/spack/repos/builtin/packages/r-organismdbi/package.py
index 35a83281b2930eb26294c1750d2270125f1cf1de..e9cd3d499bc9cb5ce3a708a2a6c2d0eb16e31e86 100644
--- a/var/spack/repos/builtin/packages/r-organismdbi/package.py
+++ b/var/spack/repos/builtin/packages/r-organismdbi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-packrat/package.py b/var/spack/repos/builtin/packages/r-packrat/package.py
index f7ea56475c4a127e8838c09176803465355871a3..7a8b00278614cdc26a54a63132a9d269c465efdf 100644
--- a/var/spack/repos/builtin/packages/r-packrat/package.py
+++ b/var/spack/repos/builtin/packages/r-packrat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pacman/package.py b/var/spack/repos/builtin/packages/r-pacman/package.py
index 09dba376a77d5c47f9e0a598417a9e5efb8bdf2e..a419b520daadfe24795ca1663e0a7b1fae0b672d 100644
--- a/var/spack/repos/builtin/packages/r-pacman/package.py
+++ b/var/spack/repos/builtin/packages/r-pacman/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pamr/package.py b/var/spack/repos/builtin/packages/r-pamr/package.py
index d14f7178692a2d03ca34a0f02fc88bcb3b6d461c..3be3f2e4c353a761726593e713528d86affe5b90 100644
--- a/var/spack/repos/builtin/packages/r-pamr/package.py
+++ b/var/spack/repos/builtin/packages/r-pamr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pan/package.py b/var/spack/repos/builtin/packages/r-pan/package.py
index 00db43e28de673ed838aedded739b3d247e03602..db9bc7988d3298f8ba6d91f8abfd4b8d857d3f13 100644
--- a/var/spack/repos/builtin/packages/r-pan/package.py
+++ b/var/spack/repos/builtin/packages/r-pan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-parallelmap/package.py b/var/spack/repos/builtin/packages/r-parallelmap/package.py
index 92e1dd7d971637f014ee0d57de5ef1921af3a2b3..cb7c10a028676b51f182d2738118c61e0e5c78b3 100644
--- a/var/spack/repos/builtin/packages/r-parallelmap/package.py
+++ b/var/spack/repos/builtin/packages/r-parallelmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-paramhelpers/package.py b/var/spack/repos/builtin/packages/r-paramhelpers/package.py
index af48d808eff6dfa46f6776fc01533f3de62f0b19..2fabb7954a8b4b3f0b07d9e3ff81515aa644dbab 100644
--- a/var/spack/repos/builtin/packages/r-paramhelpers/package.py
+++ b/var/spack/repos/builtin/packages/r-paramhelpers/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-party/package.py b/var/spack/repos/builtin/packages/r-party/package.py
index 60ab4bdf8024a785cb26a9ad85006bb62f16dece..f0d5065d6842a3a630983cf71b69f7147ce3633e 100644
--- a/var/spack/repos/builtin/packages/r-party/package.py
+++ b/var/spack/repos/builtin/packages/r-party/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-partykit/package.py b/var/spack/repos/builtin/packages/r-partykit/package.py
index 326edafa70bb5ca7008b26c662c0ebdb30a3b25d..680891ae0d5a618fc37727cb24dd1608e01fb47e 100644
--- a/var/spack/repos/builtin/packages/r-partykit/package.py
+++ b/var/spack/repos/builtin/packages/r-partykit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-pathview/package.py b/var/spack/repos/builtin/packages/r-pathview/package.py
index d8539ccf7e43ebe54471f3520d4870975a4f60b1..bedd4571f7d9f1b608f570b8d1eabc0e2a544ffc 100644
--- a/var/spack/repos/builtin/packages/r-pathview/package.py
+++ b/var/spack/repos/builtin/packages/r-pathview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pbapply/package.py b/var/spack/repos/builtin/packages/r-pbapply/package.py
index f3e71a13be2911aa7280e3edd257ed29d17f0b85..14d5d9a178407984b9a95fa0f736407558be695b 100644
--- a/var/spack/repos/builtin/packages/r-pbapply/package.py
+++ b/var/spack/repos/builtin/packages/r-pbapply/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pbdzmq/package.py b/var/spack/repos/builtin/packages/r-pbdzmq/package.py
index 1cca47f6c13d0c5163b82bd2fc2f2accb4496575..5ff32c04872d3183c69e909a2f867fe1d1b27aa2 100644
--- a/var/spack/repos/builtin/packages/r-pbdzmq/package.py
+++ b/var/spack/repos/builtin/packages/r-pbdzmq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-pbkrtest/package.py b/var/spack/repos/builtin/packages/r-pbkrtest/package.py
index 8a4af9cd80b3c2250cf47399be4a156966cbf452..1bb9f75f0b85fb17b861b1bbf051d85370ddb2e2 100644
--- a/var/spack/repos/builtin/packages/r-pbkrtest/package.py
+++ b/var/spack/repos/builtin/packages/r-pbkrtest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pcamethods/package.py b/var/spack/repos/builtin/packages/r-pcamethods/package.py
index 7578de6421218243f70203c9ac64ab0206d6fc94..a0e9721e9dd1629a64b910e69a095eccdba71b3f 100644
--- a/var/spack/repos/builtin/packages/r-pcamethods/package.py
+++ b/var/spack/repos/builtin/packages/r-pcamethods/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pcapp/package.py b/var/spack/repos/builtin/packages/r-pcapp/package.py
index 0ad4a5f94b98b43a863084fb41aea84457ec91bd..3fe6f2d745891c09fc030fd266503aa3c8df57b8 100644
--- a/var/spack/repos/builtin/packages/r-pcapp/package.py
+++ b/var/spack/repos/builtin/packages/r-pcapp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-permute/package.py b/var/spack/repos/builtin/packages/r-permute/package.py
index 3920ec25f17ed02a993776a52000fcfd96b7104d..48f4197e5ffc72f1a818d1be9de907f3b4b7ad4c 100644
--- a/var/spack/repos/builtin/packages/r-permute/package.py
+++ b/var/spack/repos/builtin/packages/r-permute/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pfam-db/package.py b/var/spack/repos/builtin/packages/r-pfam-db/package.py
index 2a3e9e43f6db5c4e7245cdb31d3c8a9c1af51b74..c29bdad99c818587ff0030641b981778c8e23a49 100644
--- a/var/spack/repos/builtin/packages/r-pfam-db/package.py
+++ b/var/spack/repos/builtin/packages/r-pfam-db/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-phangorn/package.py b/var/spack/repos/builtin/packages/r-phangorn/package.py
index b43c9ce8251bf8dc01069f6c5bf5d47b9b3b2068..c20fd50fe4c602565e0886eb6d42efd2ccb05c92 100644
--- a/var/spack/repos/builtin/packages/r-phangorn/package.py
+++ b/var/spack/repos/builtin/packages/r-phangorn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-phantompeakqualtools/package.py b/var/spack/repos/builtin/packages/r-phantompeakqualtools/package.py
index f71129c57862d43432ef1e52df9e6edb6a786838..a40df310b9ee574b74534be2d1e5b5f419c79ef7 100644
--- a/var/spack/repos/builtin/packages/r-phantompeakqualtools/package.py
+++ b/var/spack/repos/builtin/packages/r-phantompeakqualtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-phyloseq/package.py b/var/spack/repos/builtin/packages/r-phyloseq/package.py
index b71670dc87e6aba19b933092250d690fd84b18af..c2323c42091724aebbcd7099565f2ce0a0297c6e 100644
--- a/var/spack/repos/builtin/packages/r-phyloseq/package.py
+++ b/var/spack/repos/builtin/packages/r-phyloseq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-picante/package.py b/var/spack/repos/builtin/packages/r-picante/package.py
index d213bfea8e1c94a7a7d3b8a8ffed7df86b8e505f..f967e5b19b1562188c2cc25f250025552b337f33 100644
--- a/var/spack/repos/builtin/packages/r-picante/package.py
+++ b/var/spack/repos/builtin/packages/r-picante/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pkgconfig/package.py b/var/spack/repos/builtin/packages/r-pkgconfig/package.py
index 5af625de8d5f041ec1f8cc6e77e10ad97992b09b..b35d0e1383c6a9e7c15a52925be0070c0fb01d5c 100644
--- a/var/spack/repos/builtin/packages/r-pkgconfig/package.py
+++ b/var/spack/repos/builtin/packages/r-pkgconfig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pkgmaker/package.py b/var/spack/repos/builtin/packages/r-pkgmaker/package.py
index c66afec4be90e942d3fe4b2708fbea4138422a47..8b0b1b7e1c9eea6b335056d7f9797791418ebceb 100644
--- a/var/spack/repos/builtin/packages/r-pkgmaker/package.py
+++ b/var/spack/repos/builtin/packages/r-pkgmaker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-plogr/package.py b/var/spack/repos/builtin/packages/r-plogr/package.py
index 54ab9e00e13224a781d1e90dd927c30d92723ea7..e959c294a24cf0c64eacfbfec715ad02e729d566 100644
--- a/var/spack/repos/builtin/packages/r-plogr/package.py
+++ b/var/spack/repos/builtin/packages/r-plogr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-plot3d/package.py b/var/spack/repos/builtin/packages/r-plot3d/package.py
index cae757957415ac8cd748f29496ef76388836f8b0..74883c1f2f7abdc17ebd5ebe7e5e39afb17f843b 100644
--- a/var/spack/repos/builtin/packages/r-plot3d/package.py
+++ b/var/spack/repos/builtin/packages/r-plot3d/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-plotly/package.py b/var/spack/repos/builtin/packages/r-plotly/package.py
index b6eac472e995521a13d46123cfc69cab9b4216b2..414155d75b7f9d04b64d8e668b38d8eebf1a63a7 100644
--- a/var/spack/repos/builtin/packages/r-plotly/package.py
+++ b/var/spack/repos/builtin/packages/r-plotly/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-plotrix/package.py b/var/spack/repos/builtin/packages/r-plotrix/package.py
index dbf19cea0eb23307e4d70c96ffcef665e33a604b..0ab72642af18bb27ef6be0e110cf0a899bfda238 100644
--- a/var/spack/repos/builtin/packages/r-plotrix/package.py
+++ b/var/spack/repos/builtin/packages/r-plotrix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pls/package.py b/var/spack/repos/builtin/packages/r-pls/package.py
index 05299f98b3cd73cc094b3655357309ba68d528fc..51c83e32a3c1504759d69cb915a978546f843ffc 100644
--- a/var/spack/repos/builtin/packages/r-pls/package.py
+++ b/var/spack/repos/builtin/packages/r-pls/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-plyr/package.py b/var/spack/repos/builtin/packages/r-plyr/package.py
index 8fc68b142f6dfda3f6758a0f1a4b239194eead80..bd2dc014295f7231a100636ff9980382ec073535 100644
--- a/var/spack/repos/builtin/packages/r-plyr/package.py
+++ b/var/spack/repos/builtin/packages/r-plyr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pmcmr/package.py b/var/spack/repos/builtin/packages/r-pmcmr/package.py
index 207361c1950dc80a4d0bb696547c92629f781413..5a2c5593ce4b370e7e3e018f4f8df5a148a13cae 100644
--- a/var/spack/repos/builtin/packages/r-pmcmr/package.py
+++ b/var/spack/repos/builtin/packages/r-pmcmr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-png/package.py b/var/spack/repos/builtin/packages/r-png/package.py
index 13bccf037b99c1d858d293198a73c4ed3182f21c..d0cc9c24db7b1c195b74687bcf86d09f0d0077e8 100644
--- a/var/spack/repos/builtin/packages/r-png/package.py
+++ b/var/spack/repos/builtin/packages/r-png/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-powerlaw/package.py b/var/spack/repos/builtin/packages/r-powerlaw/package.py
index 7c3c5fac76fb8a5c43b4fe75c6c8cec715d9dc4d..9666f8fd096f6f71c2caa0803ee5b44c68158918 100644
--- a/var/spack/repos/builtin/packages/r-powerlaw/package.py
+++ b/var/spack/repos/builtin/packages/r-powerlaw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-prabclus/package.py b/var/spack/repos/builtin/packages/r-prabclus/package.py
index a32cd4fb83b040b21575b4745f7266d0698e4d87..688cd683cd4cea5682c1e752cdb4b3cfd684b991 100644
--- a/var/spack/repos/builtin/packages/r-prabclus/package.py
+++ b/var/spack/repos/builtin/packages/r-prabclus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-praise/package.py b/var/spack/repos/builtin/packages/r-praise/package.py
index 5b9eaa2926797a0360bae56e519395306c5a2046..06ae033e60cb015417385d8c53a12ecd5c5e737b 100644
--- a/var/spack/repos/builtin/packages/r-praise/package.py
+++ b/var/spack/repos/builtin/packages/r-praise/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-preprocesscore/package.py b/var/spack/repos/builtin/packages/r-preprocesscore/package.py
index 3200115cc603a118bd8035beb02ed09a7ee53da4..d07e164a6daf74d580f54dd52661610645d041e3 100644
--- a/var/spack/repos/builtin/packages/r-preprocesscore/package.py
+++ b/var/spack/repos/builtin/packages/r-preprocesscore/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-prettyunits/package.py b/var/spack/repos/builtin/packages/r-prettyunits/package.py
index c18e83eddf0931268292905af4ea3423ab427577..fc5de8b0e1e1125904431965d5a3cdaf9b62811f 100644
--- a/var/spack/repos/builtin/packages/r-prettyunits/package.py
+++ b/var/spack/repos/builtin/packages/r-prettyunits/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-processx/package.py b/var/spack/repos/builtin/packages/r-processx/package.py
index 442a846e1273d70788849858980774f7ccf60793..fec9bba0b1cff3aa3b64ce0f1fd2bc4a6322f225 100644
--- a/var/spack/repos/builtin/packages/r-processx/package.py
+++ b/var/spack/repos/builtin/packages/r-processx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-prodlim/package.py b/var/spack/repos/builtin/packages/r-prodlim/package.py
index 89727f9849569b766a798c7abce62e6bc2d84f7c..8cb3523f6deef164dbf8e6b2ab693aed33ae192c 100644
--- a/var/spack/repos/builtin/packages/r-prodlim/package.py
+++ b/var/spack/repos/builtin/packages/r-prodlim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-progress/package.py b/var/spack/repos/builtin/packages/r-progress/package.py
index dd155d5c8502b6c774a72db9b40fd6d6353e61ac..756b8cecff134679d71c0345584f00976758bbed 100644
--- a/var/spack/repos/builtin/packages/r-progress/package.py
+++ b/var/spack/repos/builtin/packages/r-progress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-protgenerics/package.py b/var/spack/repos/builtin/packages/r-protgenerics/package.py
index c6f0c923229a705ad04ca0ee878865b582ca79f5..2b14314b293acafccbf0fef9203e5dd1f3444586 100644
--- a/var/spack/repos/builtin/packages/r-protgenerics/package.py
+++ b/var/spack/repos/builtin/packages/r-protgenerics/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-proto/package.py b/var/spack/repos/builtin/packages/r-proto/package.py
index e0b389f35f8a97ae23a34a544be31d4dc6e9e158..5fe325b8340039624181c838c40853534f5cc15d 100644
--- a/var/spack/repos/builtin/packages/r-proto/package.py
+++ b/var/spack/repos/builtin/packages/r-proto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-proxy/package.py b/var/spack/repos/builtin/packages/r-proxy/package.py
index f60e602c5c1550bbed2b31a539f6c08fc9b029f1..963568491ce48c85ae5a0c2b3c56e3fa08ba77df 100644
--- a/var/spack/repos/builtin/packages/r-proxy/package.py
+++ b/var/spack/repos/builtin/packages/r-proxy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-pryr/package.py b/var/spack/repos/builtin/packages/r-pryr/package.py
index 2c16ede1dc43b4e5c192cb6481edd40d8a2d44e2..89142810ba14d383543cd4c2aabac373e5826b81 100644
--- a/var/spack/repos/builtin/packages/r-pryr/package.py
+++ b/var/spack/repos/builtin/packages/r-pryr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-ps/package.py b/var/spack/repos/builtin/packages/r-ps/package.py
index 045b6b8ce7d3bc84bb1efc051218c45604248e50..0973376a04ae5393cdfa6f58d1b25ab3a699525c 100644
--- a/var/spack/repos/builtin/packages/r-ps/package.py
+++ b/var/spack/repos/builtin/packages/r-ps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-psych/package.py b/var/spack/repos/builtin/packages/r-psych/package.py
index dc14656bd03785128f0ff0e8dc793b3bba759b3b..d000222e7a4381c9b7e934e150ba61fd198311eb 100644
--- a/var/spack/repos/builtin/packages/r-psych/package.py
+++ b/var/spack/repos/builtin/packages/r-psych/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ptw/package.py b/var/spack/repos/builtin/packages/r-ptw/package.py
index eae09c48405029d550cb9fc4fbb662734b8c323b..dcb5fdedc0d1eabd5179b332f3eaaf474546e4cc 100644
--- a/var/spack/repos/builtin/packages/r-ptw/package.py
+++ b/var/spack/repos/builtin/packages/r-ptw/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-purrr/package.py b/var/spack/repos/builtin/packages/r-purrr/package.py
index 06d1e697732647585a51999b369e30bf2a85be92..73a422c0cbb4dde1de49db40c4ba5f036a2edf55 100644
--- a/var/spack/repos/builtin/packages/r-purrr/package.py
+++ b/var/spack/repos/builtin/packages/r-purrr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-quadprog/package.py b/var/spack/repos/builtin/packages/r-quadprog/package.py
index 5442156396a199d641a1acd673e64a68a67177ae..ad68a31a0d7f62a2e39a5c00df3737b46ef7b19b 100644
--- a/var/spack/repos/builtin/packages/r-quadprog/package.py
+++ b/var/spack/repos/builtin/packages/r-quadprog/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-quantmod/package.py b/var/spack/repos/builtin/packages/r-quantmod/package.py
index 026eaa40d04f60b0f874cc66dc8fc49014369ff4..b9f0e063e8e3e42194af751338665f0efa0c630f 100644
--- a/var/spack/repos/builtin/packages/r-quantmod/package.py
+++ b/var/spack/repos/builtin/packages/r-quantmod/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-quantreg/package.py b/var/spack/repos/builtin/packages/r-quantreg/package.py
index bd81e8967c70a345198fcb689dc2bb7ba9b7a97b..e882ece17060566ff87ddfc1f8b5f632da261f82 100644
--- a/var/spack/repos/builtin/packages/r-quantreg/package.py
+++ b/var/spack/repos/builtin/packages/r-quantreg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-quantro/package.py b/var/spack/repos/builtin/packages/r-quantro/package.py
index d8cbf0e8b243ba8870d7ded3ebb6ce29368b466e..796685c40a2a968a9e73ea1860dd20e0b0dff5ac 100644
--- a/var/spack/repos/builtin/packages/r-quantro/package.py
+++ b/var/spack/repos/builtin/packages/r-quantro/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-qvalue/package.py b/var/spack/repos/builtin/packages/r-qvalue/package.py
index f718f3a42a80eafd0c60a6877fba94734b348faa..5deb42a7486606bc462060190924add260fd9bab 100644
--- a/var/spack/repos/builtin/packages/r-qvalue/package.py
+++ b/var/spack/repos/builtin/packages/r-qvalue/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-r6/package.py b/var/spack/repos/builtin/packages/r-r6/package.py
index 56e9735713d28883b20827812af9af5d8587c4ef..fad58e9517317dcb0b05a3cb1691ab77048a9228 100644
--- a/var/spack/repos/builtin/packages/r-r6/package.py
+++ b/var/spack/repos/builtin/packages/r-r6/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-randomforest/package.py b/var/spack/repos/builtin/packages/r-randomforest/package.py
index 527274251c28a111c62faa660fdb6e4d5bb983d0..1125e26d222c112387eafc5e9d8febef9ed41687 100644
--- a/var/spack/repos/builtin/packages/r-randomforest/package.py
+++ b/var/spack/repos/builtin/packages/r-randomforest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ranger/package.py b/var/spack/repos/builtin/packages/r-ranger/package.py
index 686ff137cb229036154f77a54d2b1d0dc2b038a1..0693fc0023569325a5b6a66d982cedb4a1843118 100644
--- a/var/spack/repos/builtin/packages/r-ranger/package.py
+++ b/var/spack/repos/builtin/packages/r-ranger/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rappdirs/package.py b/var/spack/repos/builtin/packages/r-rappdirs/package.py
index e8de39f448f54c4b886bf1ccca233e8b86ccb35a..b39a69969026303b1e83af201f160abe8f36b1ab 100644
--- a/var/spack/repos/builtin/packages/r-rappdirs/package.py
+++ b/var/spack/repos/builtin/packages/r-rappdirs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-raster/package.py b/var/spack/repos/builtin/packages/r-raster/package.py
index 71d1e69cf15a2573767d17b5a4d4f68ea955480d..0bcb424ea6cefb3e2f804c0cdb8454c639e87980 100644
--- a/var/spack/repos/builtin/packages/r-raster/package.py
+++ b/var/spack/repos/builtin/packages/r-raster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rbgl/package.py b/var/spack/repos/builtin/packages/r-rbgl/package.py
index c6c48d69738683b15ca63c2910509ad48201233e..87216adc55194502877f3e02aca54eb7529bf1af 100644
--- a/var/spack/repos/builtin/packages/r-rbgl/package.py
+++ b/var/spack/repos/builtin/packages/r-rbgl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rbokeh/package.py b/var/spack/repos/builtin/packages/r-rbokeh/package.py
index 90417e8835733d59f1a1281fb53fc5609f274a32..22c421b16b8d39676a69702399d352e279db2520 100644
--- a/var/spack/repos/builtin/packages/r-rbokeh/package.py
+++ b/var/spack/repos/builtin/packages/r-rbokeh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-rcolorbrewer/package.py b/var/spack/repos/builtin/packages/r-rcolorbrewer/package.py
index c94b05212614d794baf0d82709fea3f03f914c85..7115d8b2b4055c5b243fee2b53393af2aa0d8875 100644
--- a/var/spack/repos/builtin/packages/r-rcolorbrewer/package.py
+++ b/var/spack/repos/builtin/packages/r-rcolorbrewer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcpp/package.py b/var/spack/repos/builtin/packages/r-rcpp/package.py
index 4edc6e87099e0a702f02bc9b1c2eb2680e7126ee..933cd294fb5e42564a1f4c143c67ba739a4be184 100644
--- a/var/spack/repos/builtin/packages/r-rcpp/package.py
+++ b/var/spack/repos/builtin/packages/r-rcpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcpparmadillo/package.py b/var/spack/repos/builtin/packages/r-rcpparmadillo/package.py
index eae404490a056d0c0a45d1099686986514c57497..250e12ec2f0695f3b2a3f5db45ae93bda53553e9 100644
--- a/var/spack/repos/builtin/packages/r-rcpparmadillo/package.py
+++ b/var/spack/repos/builtin/packages/r-rcpparmadillo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcppblaze/package.py b/var/spack/repos/builtin/packages/r-rcppblaze/package.py
index 8c57651b5fb55c24c318863ae96db5382c12c743..dfdcefa2b1cfa94162ad6118faa7fc44d0a08e8f 100644
--- a/var/spack/repos/builtin/packages/r-rcppblaze/package.py
+++ b/var/spack/repos/builtin/packages/r-rcppblaze/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcppcctz/package.py b/var/spack/repos/builtin/packages/r-rcppcctz/package.py
index e8bde9f76b4ad37efae830eb6411444654063b74..5e454dd6dcf11e73144442956676ab8feccfcac5 100644
--- a/var/spack/repos/builtin/packages/r-rcppcctz/package.py
+++ b/var/spack/repos/builtin/packages/r-rcppcctz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcppcnpy/package.py b/var/spack/repos/builtin/packages/r-rcppcnpy/package.py
index 8bdb452242cb0076136a9afb9f061906ef794b2b..ace5876f4866c6acf40dc04b396358e6117b7317 100644
--- a/var/spack/repos/builtin/packages/r-rcppcnpy/package.py
+++ b/var/spack/repos/builtin/packages/r-rcppcnpy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcppeigen/package.py b/var/spack/repos/builtin/packages/r-rcppeigen/package.py
index 69e2a86d4883f057a8ee5e68ebba071fb241a413..14d4e250eff5acfb09d9d0946870eef2c58b7434 100644
--- a/var/spack/repos/builtin/packages/r-rcppeigen/package.py
+++ b/var/spack/repos/builtin/packages/r-rcppeigen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcppprogress/package.py b/var/spack/repos/builtin/packages/r-rcppprogress/package.py
index 53d3c6d0841a04fe8b76f05388598646b2597df1..d56b33f757cf7af58574ca58db32fc7b3ff5f2a7 100644
--- a/var/spack/repos/builtin/packages/r-rcppprogress/package.py
+++ b/var/spack/repos/builtin/packages/r-rcppprogress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rcurl/package.py b/var/spack/repos/builtin/packages/r-rcurl/package.py
index e7deb60f6af6d17447246ec4f89ced8305ff691c..031c69e842047c0335244b181856db8cc66251c2 100644
--- a/var/spack/repos/builtin/packages/r-rcurl/package.py
+++ b/var/spack/repos/builtin/packages/r-rcurl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rda/package.py b/var/spack/repos/builtin/packages/r-rda/package.py
index b0f46b3e5bdc238f6a3bfabea09d87a08c8f1132..e8d455050a8ac3d2261754526af4f7502a62ab3c 100644
--- a/var/spack/repos/builtin/packages/r-rda/package.py
+++ b/var/spack/repos/builtin/packages/r-rda/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-readr/package.py b/var/spack/repos/builtin/packages/r-readr/package.py
index 97f0df97c9ea991b971e3c4e44e1f1cfed3c62a4..bb9b862ac99847e5b79018866d38d7c4e8aadf3a 100644
--- a/var/spack/repos/builtin/packages/r-readr/package.py
+++ b/var/spack/repos/builtin/packages/r-readr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-readxl/package.py b/var/spack/repos/builtin/packages/r-readxl/package.py
index b1b5b515784d86cc4753f9258bd0cfd282df5696..3d19f6808edddadb88785d690fa9bcda7ed7a07c 100644
--- a/var/spack/repos/builtin/packages/r-readxl/package.py
+++ b/var/spack/repos/builtin/packages/r-readxl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-registry/package.py b/var/spack/repos/builtin/packages/r-registry/package.py
index 54ae92a64861e6c6bca142b80fb97f4535f2fc3e..f83c78f0e0d16c191c9b1748e20a6683e509ee63 100644
--- a/var/spack/repos/builtin/packages/r-registry/package.py
+++ b/var/spack/repos/builtin/packages/r-registry/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rematch/package.py b/var/spack/repos/builtin/packages/r-rematch/package.py
index 3cb7c6b5eb03a18f31d474f982a61fa5324d20fd..b4232fa1da9cc781a6a62ac31b17c2036fe108fe 100644
--- a/var/spack/repos/builtin/packages/r-rematch/package.py
+++ b/var/spack/repos/builtin/packages/r-rematch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-reordercluster/package.py b/var/spack/repos/builtin/packages/r-reordercluster/package.py
index 9be4334ead60c6eb4ad5b2772d3f573a6ed298f6..cc4af499522ac1f67f035eab2aff5838e98ae33b 100644
--- a/var/spack/repos/builtin/packages/r-reordercluster/package.py
+++ b/var/spack/repos/builtin/packages/r-reordercluster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-reportingtools/package.py b/var/spack/repos/builtin/packages/r-reportingtools/package.py
index e5b7962e5b6ba21afbd4768e682318a1e6bd3ec0..e093b019be12a533acc3688c4492a2a1988814e4 100644
--- a/var/spack/repos/builtin/packages/r-reportingtools/package.py
+++ b/var/spack/repos/builtin/packages/r-reportingtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-repr/package.py b/var/spack/repos/builtin/packages/r-repr/package.py
index 69c378d66ab5589f51236a80ef345c4280ec2a68..0396cd79bb0f6f676edca59574005f7fef3c7c4d 100644
--- a/var/spack/repos/builtin/packages/r-repr/package.py
+++ b/var/spack/repos/builtin/packages/r-repr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-reprex/package.py b/var/spack/repos/builtin/packages/r-reprex/package.py
index 7aeb1938e560cefbc3baaa933962e0bf918eb161..e87e70367b51303d1b6e6277468b3aefef666820 100644
--- a/var/spack/repos/builtin/packages/r-reprex/package.py
+++ b/var/spack/repos/builtin/packages/r-reprex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-reshape/package.py b/var/spack/repos/builtin/packages/r-reshape/package.py
index 1e3dabf10a1077650a2d55a3ca00e6fff5d55c36..8364397fa286f817b50e166e4d40097ea709553e 100644
--- a/var/spack/repos/builtin/packages/r-reshape/package.py
+++ b/var/spack/repos/builtin/packages/r-reshape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-reshape2/package.py b/var/spack/repos/builtin/packages/r-reshape2/package.py
index 07f0538da6951b377a9c372ce2bd6b0b95c7f235..ac424cd4f3697055e103942fb88fc974af5cc69b 100644
--- a/var/spack/repos/builtin/packages/r-reshape2/package.py
+++ b/var/spack/repos/builtin/packages/r-reshape2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rex/package.py b/var/spack/repos/builtin/packages/r-rex/package.py
index be2435c74cbe53ebe48810804603d0d9ecf05705..d8bb5841c21135dc3ac9063bfb3ba47793cba433 100644
--- a/var/spack/repos/builtin/packages/r-rex/package.py
+++ b/var/spack/repos/builtin/packages/r-rex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rgdal/package.py b/var/spack/repos/builtin/packages/r-rgdal/package.py
index 648e509580e029a301145cfdff9dfff93b658179..b2fbfee9dc6595829060f751ab6c4dabd3867849 100644
--- a/var/spack/repos/builtin/packages/r-rgdal/package.py
+++ b/var/spack/repos/builtin/packages/r-rgdal/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rgenoud/package.py b/var/spack/repos/builtin/packages/r-rgenoud/package.py
index 03a5554ce6d123157937bc889ef541abb161b748..c2d7c517d4d9c89f5645f3168e1524408eec6844 100644
--- a/var/spack/repos/builtin/packages/r-rgenoud/package.py
+++ b/var/spack/repos/builtin/packages/r-rgenoud/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rgeos/package.py b/var/spack/repos/builtin/packages/r-rgeos/package.py
index a2a667d33b1b47a76d1b00aa563c8a654bc83f27..2f55d523f6a69b22def2ceecddf70f6b3349d249 100644
--- a/var/spack/repos/builtin/packages/r-rgeos/package.py
+++ b/var/spack/repos/builtin/packages/r-rgeos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rgl/package.py b/var/spack/repos/builtin/packages/r-rgl/package.py
index a68dca84a9315e271721362fc5dc8bd9a6ede9cc..261fbffa98c62a14fd07850920957c67c3d879bd 100644
--- a/var/spack/repos/builtin/packages/r-rgl/package.py
+++ b/var/spack/repos/builtin/packages/r-rgl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rgooglemaps/package.py b/var/spack/repos/builtin/packages/r-rgooglemaps/package.py
index be27501def472ea1175e9c3e9819387fb97b0056..b246f8f63fbe4631c7a60be3d20cfb4537bb9084 100644
--- a/var/spack/repos/builtin/packages/r-rgooglemaps/package.py
+++ b/var/spack/repos/builtin/packages/r-rgooglemaps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rgraphviz/package.py b/var/spack/repos/builtin/packages/r-rgraphviz/package.py
index 1e9dd09edb6135af9a45016a98b095c2a04831bb..1f341b24b9c87fcc1161a7d976b42467909bdc42 100644
--- a/var/spack/repos/builtin/packages/r-rgraphviz/package.py
+++ b/var/spack/repos/builtin/packages/r-rgraphviz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rhdf5/package.py b/var/spack/repos/builtin/packages/r-rhdf5/package.py
index 1fac7872d865a6111e69036db35509a93627a75f..7c4a3a99879aa45f0d3616d5bcb21617b8ebd986 100644
--- a/var/spack/repos/builtin/packages/r-rhdf5/package.py
+++ b/var/spack/repos/builtin/packages/r-rhdf5/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rhtslib/package.py b/var/spack/repos/builtin/packages/r-rhtslib/package.py
index c6568fca6717a921f7e7a29871df333526e043ac..e87164b5aac7135eebbb5c32575e33ab8ffb7f51 100644
--- a/var/spack/repos/builtin/packages/r-rhtslib/package.py
+++ b/var/spack/repos/builtin/packages/r-rhtslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rinside/package.py b/var/spack/repos/builtin/packages/r-rinside/package.py
index deff9d8144d3d8c0fb483787ff5f141537d17c84..bc7d48745add38b6b4a0499be642d617f01b9def 100644
--- a/var/spack/repos/builtin/packages/r-rinside/package.py
+++ b/var/spack/repos/builtin/packages/r-rinside/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rjags/package.py b/var/spack/repos/builtin/packages/r-rjags/package.py
index de2b3b6b24d7d765a994848d4e239a91b3493d3e..d0061d1a58fed71ce821c7455fd44334266afc7f 100644
--- a/var/spack/repos/builtin/packages/r-rjags/package.py
+++ b/var/spack/repos/builtin/packages/r-rjags/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-rjava/package.py b/var/spack/repos/builtin/packages/r-rjava/package.py
index 9bcc16f3da2ea76ff193e341785e655a5968e0a4..fc8c3850aa3f05080a42830f9a527bd5749f536e 100644
--- a/var/spack/repos/builtin/packages/r-rjava/package.py
+++ b/var/spack/repos/builtin/packages/r-rjava/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rjson/package.py b/var/spack/repos/builtin/packages/r-rjson/package.py
index fa458226033d876a2fee2c96623aa582e856eb73..250c5171a8aeeea4d764fc9afbd511c71e7ec97d 100644
--- a/var/spack/repos/builtin/packages/r-rjson/package.py
+++ b/var/spack/repos/builtin/packages/r-rjson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rjsonio/package.py b/var/spack/repos/builtin/packages/r-rjsonio/package.py
index d91ccf241506f07cacfc75686c3803af5a27ec81..a8134aa6d63ee0877c7f67919ffa7a730b0f72c8 100644
--- a/var/spack/repos/builtin/packages/r-rjsonio/package.py
+++ b/var/spack/repos/builtin/packages/r-rjsonio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rlang/package.py b/var/spack/repos/builtin/packages/r-rlang/package.py
index b04c49a3108fdf30f708d69b296ee6b07c9f37f5..cd179fcf572f63a4dc85163b68538a902316a6f2 100644
--- a/var/spack/repos/builtin/packages/r-rlang/package.py
+++ b/var/spack/repos/builtin/packages/r-rlang/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rmarkdown/package.py b/var/spack/repos/builtin/packages/r-rmarkdown/package.py
index a308ab264f154489a626ad64c652048b50e50bde..13e5651dbc6ea2e2ba3e9255a584508df8a4c4a9 100644
--- a/var/spack/repos/builtin/packages/r-rmarkdown/package.py
+++ b/var/spack/repos/builtin/packages/r-rmarkdown/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-rminer/package.py b/var/spack/repos/builtin/packages/r-rminer/package.py
index 2a480ba3847568815c6f6d54987f82034ffd46a4..758ac03fbefd98d7cad9929f6a57522730a8358f 100644
--- a/var/spack/repos/builtin/packages/r-rminer/package.py
+++ b/var/spack/repos/builtin/packages/r-rminer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rmpfr/package.py b/var/spack/repos/builtin/packages/r-rmpfr/package.py
index 3de225cb114c3e5276cb08eaff2431a264ff279c..eb6eb23e18dceaafdaf7c948dd09f430a1fa9789 100644
--- a/var/spack/repos/builtin/packages/r-rmpfr/package.py
+++ b/var/spack/repos/builtin/packages/r-rmpfr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rmpi/package.py b/var/spack/repos/builtin/packages/r-rmpi/package.py
index 3e2f499516ce75a6c7188d09b6a16987ad421dc8..c81e101f911a20cfa369761d6dd125323d54af60 100644
--- a/var/spack/repos/builtin/packages/r-rmpi/package.py
+++ b/var/spack/repos/builtin/packages/r-rmpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rmysql/package.py b/var/spack/repos/builtin/packages/r-rmysql/package.py
index b75cf81bc06ac102c2721f77e49d63d37a32a18e..dc14ddde16002d72c25b70a263b36b1a498b4dc3 100644
--- a/var/spack/repos/builtin/packages/r-rmysql/package.py
+++ b/var/spack/repos/builtin/packages/r-rmysql/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rngtools/package.py b/var/spack/repos/builtin/packages/r-rngtools/package.py
index 3e637f327c9f8598d13e69076711e296abf76a30..6112485e4e5b3f330891981c6335954851b89a2f 100644
--- a/var/spack/repos/builtin/packages/r-rngtools/package.py
+++ b/var/spack/repos/builtin/packages/r-rngtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-robustbase/package.py b/var/spack/repos/builtin/packages/r-robustbase/package.py
index e8ba4e5501290359f2c684caba8be8f63b4d5e60..719a0045c1a1419434866a107692992b920fa8bf 100644
--- a/var/spack/repos/builtin/packages/r-robustbase/package.py
+++ b/var/spack/repos/builtin/packages/r-robustbase/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rocr/package.py b/var/spack/repos/builtin/packages/r-rocr/package.py
index b70e48dfc00503a51739de747fc5356e55de67cb..1f2ca35c4459de59a04206ab99c6af89c20039bf 100644
--- a/var/spack/repos/builtin/packages/r-rocr/package.py
+++ b/var/spack/repos/builtin/packages/r-rocr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rodbc/package.py b/var/spack/repos/builtin/packages/r-rodbc/package.py
index a3321ccc5b177ecc6856ba1ca200ae3cc05580d6..4f70634b62de82ee85628c44e5f54c1ae0ba85ac 100644
--- a/var/spack/repos/builtin/packages/r-rodbc/package.py
+++ b/var/spack/repos/builtin/packages/r-rodbc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rots/package.py b/var/spack/repos/builtin/packages/r-rots/package.py
index d61efcf9c7ee51f235529f009efdd6081ff97133..3c19b4d325a2afe9d0870720c7cd895be163ab09 100644
--- a/var/spack/repos/builtin/packages/r-rots/package.py
+++ b/var/spack/repos/builtin/packages/r-rots/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-roxygen2/package.py b/var/spack/repos/builtin/packages/r-roxygen2/package.py
index ab88940199ea38e8cd7b58e401caf7b9b4d6f216..60fd47687d68684f52ce7bd97a78194d2f759da7 100644
--- a/var/spack/repos/builtin/packages/r-roxygen2/package.py
+++ b/var/spack/repos/builtin/packages/r-roxygen2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rpart-plot/package.py b/var/spack/repos/builtin/packages/r-rpart-plot/package.py
index 93bc34241c17a77efaa83fa01671d4a16565402a..b531df7e3d5dda51e38032d88a63a0e1d6c24fa9 100644
--- a/var/spack/repos/builtin/packages/r-rpart-plot/package.py
+++ b/var/spack/repos/builtin/packages/r-rpart-plot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rpart/package.py b/var/spack/repos/builtin/packages/r-rpart/package.py
index 22186ed510fdd81ab7fdaf3cbd3b6683ec2602fd..2c2f926d553accf2bfaa32790814b2aaff4e63f6 100644
--- a/var/spack/repos/builtin/packages/r-rpart/package.py
+++ b/var/spack/repos/builtin/packages/r-rpart/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rpostgresql/package.py b/var/spack/repos/builtin/packages/r-rpostgresql/package.py
index 0c71fb2a6a285dcdc31b05cbe523b9d192c69a7e..9061ba3c1d24f002dab1ae24c71722bdf786b17d 100644
--- a/var/spack/repos/builtin/packages/r-rpostgresql/package.py
+++ b/var/spack/repos/builtin/packages/r-rpostgresql/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rprojroot/package.py b/var/spack/repos/builtin/packages/r-rprojroot/package.py
index ae3014ddbb768b9bc9fcca64427b4dacc5f24371..617646350c6d082bbeee737cde0df2fb8d9f67f6 100644
--- a/var/spack/repos/builtin/packages/r-rprojroot/package.py
+++ b/var/spack/repos/builtin/packages/r-rprojroot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rsamtools/package.py b/var/spack/repos/builtin/packages/r-rsamtools/package.py
index aa1ed4b00b549a2c6464e4c19c623861884f51cc..d8062cc89bfe2872fa2a680ae81bcac6388b2289 100644
--- a/var/spack/repos/builtin/packages/r-rsamtools/package.py
+++ b/var/spack/repos/builtin/packages/r-rsamtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rsnns/package.py b/var/spack/repos/builtin/packages/r-rsnns/package.py
index 7062e43242fdf6536b818ea143da9b3e6e65446c..8de7a9b7a14717ef1cf8333a82a1119c5ab4a672 100644
--- a/var/spack/repos/builtin/packages/r-rsnns/package.py
+++ b/var/spack/repos/builtin/packages/r-rsnns/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-rsolnp/package.py b/var/spack/repos/builtin/packages/r-rsolnp/package.py
index 0fa1caa75562d32351eed6cdfde05c9e84b0abfa..db4ab2495933397ad1c62f7d7c2c58a305b204ce 100644
--- a/var/spack/repos/builtin/packages/r-rsolnp/package.py
+++ b/var/spack/repos/builtin/packages/r-rsolnp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rsqlite/package.py b/var/spack/repos/builtin/packages/r-rsqlite/package.py
index 91ba461a51f36f8fe1c656662923907d6ce82b3b..61ba90e83cd1de4d90ba4dd875600c308252b2e3 100644
--- a/var/spack/repos/builtin/packages/r-rsqlite/package.py
+++ b/var/spack/repos/builtin/packages/r-rsqlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rstan/package.py b/var/spack/repos/builtin/packages/r-rstan/package.py
index 875fa1f203c1d437102e7ed91a1b48a7afb99031..30b41660911ff1147b2d50358f1ff9648e39b536 100644
--- a/var/spack/repos/builtin/packages/r-rstan/package.py
+++ b/var/spack/repos/builtin/packages/r-rstan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rstudioapi/package.py b/var/spack/repos/builtin/packages/r-rstudioapi/package.py
index 37558bbe967b83852ec133da2aede527fee7f34a..5b51a050d8e19b6bcbd8dc5c57c139235087735b 100644
--- a/var/spack/repos/builtin/packages/r-rstudioapi/package.py
+++ b/var/spack/repos/builtin/packages/r-rstudioapi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rtracklayer/package.py b/var/spack/repos/builtin/packages/r-rtracklayer/package.py
index eacb7ff1e3a5c1b871a3e2b665144afdd16cd6b3..69a2d37c436962c8b20fdc468dfffabde1ed2aa3 100644
--- a/var/spack/repos/builtin/packages/r-rtracklayer/package.py
+++ b/var/spack/repos/builtin/packages/r-rtracklayer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rtsne/package.py b/var/spack/repos/builtin/packages/r-rtsne/package.py
index 1c1014474a9dcbed848223febcb1b624df2f9296..2ec641f5eb5d5ef4e3e8c75d8cc859e20c7c5987 100644
--- a/var/spack/repos/builtin/packages/r-rtsne/package.py
+++ b/var/spack/repos/builtin/packages/r-rtsne/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rvcheck/package.py b/var/spack/repos/builtin/packages/r-rvcheck/package.py
index 273fb3e4ee46174a184464b9476d61666d7c3d9a..25ba893d4f26a2013bd6bc11bd49a7c2519eb164 100644
--- a/var/spack/repos/builtin/packages/r-rvcheck/package.py
+++ b/var/spack/repos/builtin/packages/r-rvcheck/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rvest/package.py b/var/spack/repos/builtin/packages/r-rvest/package.py
index 5865b622f6b3dbff49684e90af0ff1f2e8c2357f..837dd81a050eb9f71ca1effb1f4deb28ebd245b1 100644
--- a/var/spack/repos/builtin/packages/r-rvest/package.py
+++ b/var/spack/repos/builtin/packages/r-rvest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-rzmq/package.py b/var/spack/repos/builtin/packages/r-rzmq/package.py
index ea153d920c82ca31f0a8e6a89d6a16e0366fa9b1..77f1420d04dd8aebdf148a7b3ba124dec70a92b3 100644
--- a/var/spack/repos/builtin/packages/r-rzmq/package.py
+++ b/var/spack/repos/builtin/packages/r-rzmq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-s4vectors/package.py b/var/spack/repos/builtin/packages/r-s4vectors/package.py
index cf3d39fde4bae2a33dd0352364ebc0f347712750..71eb0a588bf83c4772de7cf055d99dfd8a0914aa 100644
--- a/var/spack/repos/builtin/packages/r-s4vectors/package.py
+++ b/var/spack/repos/builtin/packages/r-s4vectors/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-samr/package.py b/var/spack/repos/builtin/packages/r-samr/package.py
index a3069a6202f7d4e9e008b2a3c8c08ebdf4641be3..f24a731bfc04b38b324d7ffa55df08abf4de7970 100644
--- a/var/spack/repos/builtin/packages/r-samr/package.py
+++ b/var/spack/repos/builtin/packages/r-samr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sandwich/package.py b/var/spack/repos/builtin/packages/r-sandwich/package.py
index 8a84e2dea8eee1fe10b9ae7339f45b396a75272a..5be31684c1718556c8416006226d7db1ce40d807 100644
--- a/var/spack/repos/builtin/packages/r-sandwich/package.py
+++ b/var/spack/repos/builtin/packages/r-sandwich/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-scales/package.py b/var/spack/repos/builtin/packages/r-scales/package.py
index 6d359d47dbadc71f440de46e22f78d21b0ec4fea..eb1d75e7f47c90f0035b569d2eaea2e58e7519ee 100644
--- a/var/spack/repos/builtin/packages/r-scales/package.py
+++ b/var/spack/repos/builtin/packages/r-scales/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-scatterplot3d/package.py b/var/spack/repos/builtin/packages/r-scatterplot3d/package.py
index c6bfd97ba81c88714349bb4c22e3720eab82b8fa..a4c5a41ca1db8c151584533d11ab7d4a9a771cb0 100644
--- a/var/spack/repos/builtin/packages/r-scatterplot3d/package.py
+++ b/var/spack/repos/builtin/packages/r-scatterplot3d/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sdmtools/package.py b/var/spack/repos/builtin/packages/r-sdmtools/package.py
index 5a891722e396d7d20c147cc17be3c0d780cbc781..584a935eb430350ddb215496072469f7573ba364 100644
--- a/var/spack/repos/builtin/packages/r-sdmtools/package.py
+++ b/var/spack/repos/builtin/packages/r-sdmtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-segmented/package.py b/var/spack/repos/builtin/packages/r-segmented/package.py
index df4fbe4a18f6ae1e58e1fe605d1ff38716219918..bea89c1a2738046f5a34cce3adafe7f67fc9368d 100644
--- a/var/spack/repos/builtin/packages/r-segmented/package.py
+++ b/var/spack/repos/builtin/packages/r-segmented/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-selectr/package.py b/var/spack/repos/builtin/packages/r-selectr/package.py
index 889ff9f8245e88c15a6469bd0cfcfe1ee2a99269..601812dc19c4f3117d03080aa643688ba7c51e2d 100644
--- a/var/spack/repos/builtin/packages/r-selectr/package.py
+++ b/var/spack/repos/builtin/packages/r-selectr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-seqinr/package.py b/var/spack/repos/builtin/packages/r-seqinr/package.py
index ebbc254ec326881dffd294a91b83fd3e94a2413e..8b7c566b874307fbea206ab7927c28eb9fdcfb10 100644
--- a/var/spack/repos/builtin/packages/r-seqinr/package.py
+++ b/var/spack/repos/builtin/packages/r-seqinr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-seqlogo/package.py b/var/spack/repos/builtin/packages/r-seqlogo/package.py
index 88d30f4e73a35feda8cc9a10a0414e4385b8ef36..b7864868c9df2d788ffdab31dc164c860198edca 100644
--- a/var/spack/repos/builtin/packages/r-seqlogo/package.py
+++ b/var/spack/repos/builtin/packages/r-seqlogo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-seurat/package.py b/var/spack/repos/builtin/packages/r-seurat/package.py
index cd94464bfdd02d449c851dd651436998dfd8609c..8d9b06758aa8e700f702d42a14c30a351768d093 100644
--- a/var/spack/repos/builtin/packages/r-seurat/package.py
+++ b/var/spack/repos/builtin/packages/r-seurat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sf/package.py b/var/spack/repos/builtin/packages/r-sf/package.py
index 26a46e12428c8f8099bb0fe7e85cd06fbcb3a1df..019feb1b18da7b838523974816a6dd0c75eef015 100644
--- a/var/spack/repos/builtin/packages/r-sf/package.py
+++ b/var/spack/repos/builtin/packages/r-sf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sfsmisc/package.py b/var/spack/repos/builtin/packages/r-sfsmisc/package.py
index a57616e249c3d6b32113f7a064a265598357207e..c2bf1e540f9af8673014a60bb15fb8d38c43117f 100644
--- a/var/spack/repos/builtin/packages/r-sfsmisc/package.py
+++ b/var/spack/repos/builtin/packages/r-sfsmisc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-shape/package.py b/var/spack/repos/builtin/packages/r-shape/package.py
index dd322c402c701a876d17e955443f234cd1c9a624..18ab11de62629c829e06a81ad676158d8f575fbf 100644
--- a/var/spack/repos/builtin/packages/r-shape/package.py
+++ b/var/spack/repos/builtin/packages/r-shape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-shiny/package.py b/var/spack/repos/builtin/packages/r-shiny/package.py
index 9b84320d8c58fe00bda48e121bd9faaa60f7083f..7165cd7af6ad4df50cf198bd902efb1e0a8fe918 100644
--- a/var/spack/repos/builtin/packages/r-shiny/package.py
+++ b/var/spack/repos/builtin/packages/r-shiny/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-shinydashboard/package.py b/var/spack/repos/builtin/packages/r-shinydashboard/package.py
index 9ac12623eaef1fca57412fd121bf2978151707fb..b9b6406f9c688d402aab50a129f33d851ea4b95c 100644
--- a/var/spack/repos/builtin/packages/r-shinydashboard/package.py
+++ b/var/spack/repos/builtin/packages/r-shinydashboard/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-shortread/package.py b/var/spack/repos/builtin/packages/r-shortread/package.py
index db5dcc28775b3aaca8c37140d85f66fa1e818c28..81ed95b0b581c460bd145b555a018a6bb00cc73f 100644
--- a/var/spack/repos/builtin/packages/r-shortread/package.py
+++ b/var/spack/repos/builtin/packages/r-shortread/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-siggenes/package.py b/var/spack/repos/builtin/packages/r-siggenes/package.py
index 8dec8aac9775320959f150b8af18b7aa4f3662ac..ec425f54bc35d31649905adef8011a1efe9523da 100644
--- a/var/spack/repos/builtin/packages/r-siggenes/package.py
+++ b/var/spack/repos/builtin/packages/r-siggenes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-simpleaffy/package.py b/var/spack/repos/builtin/packages/r-simpleaffy/package.py
index 04e13e1913607634dff81a53b9017bfe0dce4a29..c977569d5e803c24c18031f54662b57d4855eefe 100644
--- a/var/spack/repos/builtin/packages/r-simpleaffy/package.py
+++ b/var/spack/repos/builtin/packages/r-simpleaffy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sm/package.py b/var/spack/repos/builtin/packages/r-sm/package.py
index b5dd5e8157ea69d6e2ff8aa9929ab62a99718dcb..e57ad8584b8bc0fda4bde19d97c16567867620b4 100644
--- a/var/spack/repos/builtin/packages/r-sm/package.py
+++ b/var/spack/repos/builtin/packages/r-sm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-smoof/package.py b/var/spack/repos/builtin/packages/r-smoof/package.py
index ac3209ff16f0c04e89271696a0f80649e96a7f12..c9806831093e9dea5b7975f986fe0024ccf24005 100644
--- a/var/spack/repos/builtin/packages/r-smoof/package.py
+++ b/var/spack/repos/builtin/packages/r-smoof/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sn/package.py b/var/spack/repos/builtin/packages/r-sn/package.py
index be58d569ccf72051c736145164f4bf9723d425b8..9dbfced26a180634a5bf17668393e0d5d5d82578 100644
--- a/var/spack/repos/builtin/packages/r-sn/package.py
+++ b/var/spack/repos/builtin/packages/r-sn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-snow/package.py b/var/spack/repos/builtin/packages/r-snow/package.py
index 74c731c10c4aa903a7ce0d5ddda2b9fd7859099c..73bdd4bcf5531603c0539d1ffef6e3b269b3d9e3 100644
--- a/var/spack/repos/builtin/packages/r-snow/package.py
+++ b/var/spack/repos/builtin/packages/r-snow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-snowfall/package.py b/var/spack/repos/builtin/packages/r-snowfall/package.py
index 355595c9bf18a34160370f991c886d665c6d3c4f..4ed0f934a6c2325c14b5ab3506ad2e16172cba8b 100644
--- a/var/spack/repos/builtin/packages/r-snowfall/package.py
+++ b/var/spack/repos/builtin/packages/r-snowfall/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-snprelate/package.py b/var/spack/repos/builtin/packages/r-snprelate/package.py
index 5c5126b14e82fc5e8a9559597c9177ae1034ea36..f7a0d04fa90e8dbb477e6f5fd73edd0542421ad4 100644
--- a/var/spack/repos/builtin/packages/r-snprelate/package.py
+++ b/var/spack/repos/builtin/packages/r-snprelate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-som/package.py b/var/spack/repos/builtin/packages/r-som/package.py
index 992f4def3b9dfee8cee1d32698510f62c001c55f..7a79e31f62c661e2c38fe07623b8e2a66283cb05 100644
--- a/var/spack/repos/builtin/packages/r-som/package.py
+++ b/var/spack/repos/builtin/packages/r-som/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-somaticsignatures/package.py b/var/spack/repos/builtin/packages/r-somaticsignatures/package.py
index cebb1f70e57b0e2267217bbcfac40acca667cf6b..36fdd5e78edda9b40d8ef376570ce15d16188867 100644
--- a/var/spack/repos/builtin/packages/r-somaticsignatures/package.py
+++ b/var/spack/repos/builtin/packages/r-somaticsignatures/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sourcetools/package.py b/var/spack/repos/builtin/packages/r-sourcetools/package.py
index fc529c43426aed98bcfe7a940c20a1d7585e12ef..f0b08a0eef60190cda8634073098888a043be75f 100644
--- a/var/spack/repos/builtin/packages/r-sourcetools/package.py
+++ b/var/spack/repos/builtin/packages/r-sourcetools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sp/package.py b/var/spack/repos/builtin/packages/r-sp/package.py
index 11632a23d56c3f331e610257485dbae944e185d2..0212bb028e0865c40d3da863d621973307358c04 100644
--- a/var/spack/repos/builtin/packages/r-sp/package.py
+++ b/var/spack/repos/builtin/packages/r-sp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sparsem/package.py b/var/spack/repos/builtin/packages/r-sparsem/package.py
index eebd751a82fd4d3670dee4fa27556852dbc39d53..d5641178da2e00c2071332f5ae83e37c1694d268 100644
--- a/var/spack/repos/builtin/packages/r-sparsem/package.py
+++ b/var/spack/repos/builtin/packages/r-sparsem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-spdep/package.py b/var/spack/repos/builtin/packages/r-spdep/package.py
index 66095c66230930201ed9f6064d74ef9fd38cd6d3..6fdd2e953b3fda64d842d720afe49caa1c90b06f 100644
--- a/var/spack/repos/builtin/packages/r-spdep/package.py
+++ b/var/spack/repos/builtin/packages/r-spdep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-speedglm/package.py b/var/spack/repos/builtin/packages/r-speedglm/package.py
index a8509ca5d99cec2448909ce2c543e92b09392871..c653323f274d8a1e602cf985c16ab0267a50313e 100644
--- a/var/spack/repos/builtin/packages/r-speedglm/package.py
+++ b/var/spack/repos/builtin/packages/r-speedglm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-spem/package.py b/var/spack/repos/builtin/packages/r-spem/package.py
index b2c9761c959c06c865c11fff009195b50b404f1b..ee4a1a794cf5acc6f1dd7828d987986d76a1da9c 100644
--- a/var/spack/repos/builtin/packages/r-spem/package.py
+++ b/var/spack/repos/builtin/packages/r-spem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-splitstackshape/package.py b/var/spack/repos/builtin/packages/r-splitstackshape/package.py
index cc69acf81d8f5d3e8db75cc7cefb5f6a6017b32e..3bff263624251f8e32390ed4c5f6666fb6ea78c2 100644
--- a/var/spack/repos/builtin/packages/r-splitstackshape/package.py
+++ b/var/spack/repos/builtin/packages/r-splitstackshape/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sqldf/package.py b/var/spack/repos/builtin/packages/r-sqldf/package.py
index 7d4160ed74407ff44ea597260975a8d439b1c29c..d0c90d4a14bf6a5c975382a4ca586af226cb2c06 100644
--- a/var/spack/repos/builtin/packages/r-sqldf/package.py
+++ b/var/spack/repos/builtin/packages/r-sqldf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-squash/package.py b/var/spack/repos/builtin/packages/r-squash/package.py
index 053b59c82ed75a6a2b9781934b43d2072997747f..e939b870e5d79080b46898f9f1004f37f9cfc90d 100644
--- a/var/spack/repos/builtin/packages/r-squash/package.py
+++ b/var/spack/repos/builtin/packages/r-squash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-stanheaders/package.py b/var/spack/repos/builtin/packages/r-stanheaders/package.py
index 898c15f2978b9beba17cad89730dc34a8e0214b5..62e787197f03e914ad3633790b1b775b91bf26b3 100644
--- a/var/spack/repos/builtin/packages/r-stanheaders/package.py
+++ b/var/spack/repos/builtin/packages/r-stanheaders/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-statmod/package.py b/var/spack/repos/builtin/packages/r-statmod/package.py
index 366765d5b6d42847b4306564983280a5ba941de1..df2fbc70a52e11b44e6b6e652ebd1a81ae4df523 100644
--- a/var/spack/repos/builtin/packages/r-statmod/package.py
+++ b/var/spack/repos/builtin/packages/r-statmod/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-statnet-common/package.py b/var/spack/repos/builtin/packages/r-statnet-common/package.py
index ccd25ea08b74255804179ba8dc478085a7c380b9..d8f84132006c1fb6e5b46b5c1ef30f6c3db25de0 100644
--- a/var/spack/repos/builtin/packages/r-statnet-common/package.py
+++ b/var/spack/repos/builtin/packages/r-statnet-common/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-stringi/package.py b/var/spack/repos/builtin/packages/r-stringi/package.py
index 65d6bf274d9e0cf502ac81894fa6993c8786e773..af49c8aca203e68170e67dc8131693f674491e22 100644
--- a/var/spack/repos/builtin/packages/r-stringi/package.py
+++ b/var/spack/repos/builtin/packages/r-stringi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-stringr/package.py b/var/spack/repos/builtin/packages/r-stringr/package.py
index 174c35255288eb39fc1fdbc801cbada5338716ab..28497c97d8a170230912a8d35e55e33b71a4c246 100644
--- a/var/spack/repos/builtin/packages/r-stringr/package.py
+++ b/var/spack/repos/builtin/packages/r-stringr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-strucchange/package.py b/var/spack/repos/builtin/packages/r-strucchange/package.py
index ca1252cf47ec7aae381f6e251d9af245b15b7438..1b0ae076134d923e825b31c2e89a019780de07ce 100644
--- a/var/spack/repos/builtin/packages/r-strucchange/package.py
+++ b/var/spack/repos/builtin/packages/r-strucchange/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-subplex/package.py b/var/spack/repos/builtin/packages/r-subplex/package.py
index 43e0b669855bcfc0be5d2d1064816cdffd1abff3..3adb487f9da753d7f6454c2911a3768219541176 100644
--- a/var/spack/repos/builtin/packages/r-subplex/package.py
+++ b/var/spack/repos/builtin/packages/r-subplex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-summarizedexperiment/package.py b/var/spack/repos/builtin/packages/r-summarizedexperiment/package.py
index 70eb55a7aa25aa48034a4b245bcfe08ee5b93b58..781db8fedc3bc4bc247609fe23448dd3ea4732cb 100644
--- a/var/spack/repos/builtin/packages/r-summarizedexperiment/package.py
+++ b/var/spack/repos/builtin/packages/r-summarizedexperiment/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-survey/package.py b/var/spack/repos/builtin/packages/r-survey/package.py
index 2d5f5d3b7585df2a2b9fbd03a40941791ef31152..cf0c11d4b026fbd90f6ac7519b5808d6aeb33403 100644
--- a/var/spack/repos/builtin/packages/r-survey/package.py
+++ b/var/spack/repos/builtin/packages/r-survey/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-survival/package.py b/var/spack/repos/builtin/packages/r-survival/package.py
index 6da03e884ebb8714a277c66449358ea96c2f38fa..f4f8b4eed3b0b4956622bb129eab204e42cd3fdb 100644
--- a/var/spack/repos/builtin/packages/r-survival/package.py
+++ b/var/spack/repos/builtin/packages/r-survival/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-sva/package.py b/var/spack/repos/builtin/packages/r-sva/package.py
index 60f4add8a24edd20047d24559e16a5f71d70d298..3510a46b2a3217c9b5f1e1e08b2cd837687d0c7c 100644
--- a/var/spack/repos/builtin/packages/r-sva/package.py
+++ b/var/spack/repos/builtin/packages/r-sva/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tarifx/package.py b/var/spack/repos/builtin/packages/r-tarifx/package.py
index 3d2bfaaf2e8991c2a2f0559ae88f5b73df7d7abb..2fa7653d732e8d6a110eed59637bc352d7932457 100644
--- a/var/spack/repos/builtin/packages/r-tarifx/package.py
+++ b/var/spack/repos/builtin/packages/r-tarifx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tclust/package.py b/var/spack/repos/builtin/packages/r-tclust/package.py
index 0f453b65cca1111015675ccf2d87715c4497d2f4..0c07d18a56b4cd5ad4917bb3b9a3e1269a8e26bf 100644
--- a/var/spack/repos/builtin/packages/r-tclust/package.py
+++ b/var/spack/repos/builtin/packages/r-tclust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tensora/package.py b/var/spack/repos/builtin/packages/r-tensora/package.py
index e3281e679ba7ea1748bdd06b34aa0f513b85fc23..c999e3c7593ed36b07f4baa68a97c0f8708d1f2f 100644
--- a/var/spack/repos/builtin/packages/r-tensora/package.py
+++ b/var/spack/repos/builtin/packages/r-tensora/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-testit/package.py b/var/spack/repos/builtin/packages/r-testit/package.py
index 0a84af16d4b1b153de7f4a4ec22965736c43d16b..c349351975147e60b078ca93f1f519f4580a4d95 100644
--- a/var/spack/repos/builtin/packages/r-testit/package.py
+++ b/var/spack/repos/builtin/packages/r-testit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-testthat/package.py b/var/spack/repos/builtin/packages/r-testthat/package.py
index a2b679148fc281541f902bda0143285fe0e38d20..49d31da8c63b52e68a27f901dd1a5135b1fdba13 100644
--- a/var/spack/repos/builtin/packages/r-testthat/package.py
+++ b/var/spack/repos/builtin/packages/r-testthat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tfbstools/package.py b/var/spack/repos/builtin/packages/r-tfbstools/package.py
index 0f65c3baef2fd8a2440f3abe7a7c9fe6ed52b205..1e4b2244447594f99aa9b46ec0fd9af9f66674f8 100644
--- a/var/spack/repos/builtin/packages/r-tfbstools/package.py
+++ b/var/spack/repos/builtin/packages/r-tfbstools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tfmpvalue/package.py b/var/spack/repos/builtin/packages/r-tfmpvalue/package.py
index 31bd237b67ff77dbc5e2b7112309031d1929b562..d3304686b214edb76b807cee451eb426e9c17001 100644
--- a/var/spack/repos/builtin/packages/r-tfmpvalue/package.py
+++ b/var/spack/repos/builtin/packages/r-tfmpvalue/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-th-data/package.py b/var/spack/repos/builtin/packages/r-th-data/package.py
index 30f23ff34eed05c1b511f2ebec9780a2c5f605f0..ccbac55279ab82b8db8c90fcb77a1a2d4f87974e 100644
--- a/var/spack/repos/builtin/packages/r-th-data/package.py
+++ b/var/spack/repos/builtin/packages/r-th-data/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-threejs/package.py b/var/spack/repos/builtin/packages/r-threejs/package.py
index 6dce8785822aa5f28d271c8cfa3738430fba854e..908cf9a28358fb5b2dc29052ebaeef4ad6c4c4f8 100644
--- a/var/spack/repos/builtin/packages/r-threejs/package.py
+++ b/var/spack/repos/builtin/packages/r-threejs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tibble/package.py b/var/spack/repos/builtin/packages/r-tibble/package.py
index ddd2de0125849d67b839b4dfa8e7ae4f907d8649..af08f9b0376b891929894054d90540b4e0fe2795 100644
--- a/var/spack/repos/builtin/packages/r-tibble/package.py
+++ b/var/spack/repos/builtin/packages/r-tibble/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tidycensus/package.py b/var/spack/repos/builtin/packages/r-tidycensus/package.py
index c6f9988a7b7e12950cd9ca6a40c71662ce30dd69..70c180eac0cde2e2942e82eb249d6de796be38df 100644
--- a/var/spack/repos/builtin/packages/r-tidycensus/package.py
+++ b/var/spack/repos/builtin/packages/r-tidycensus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tidyr/package.py b/var/spack/repos/builtin/packages/r-tidyr/package.py
index 743a3ac917544e6b0325bfc9ff66391ebf6ddc9c..1897495eb2248c2ecacd4987ffc1226b335d1c23 100644
--- a/var/spack/repos/builtin/packages/r-tidyr/package.py
+++ b/var/spack/repos/builtin/packages/r-tidyr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tidyselect/package.py b/var/spack/repos/builtin/packages/r-tidyselect/package.py
index f1378c63b1e9453c94982ab3bf319bca534fb2cd..96ae53a11c775c8acae06a9a4675d1ae83f1ee48 100644
--- a/var/spack/repos/builtin/packages/r-tidyselect/package.py
+++ b/var/spack/repos/builtin/packages/r-tidyselect/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tidyverse/package.py b/var/spack/repos/builtin/packages/r-tidyverse/package.py
index 586ba8e41e4fb29235def551b20477110c29169b..f12e70830896675ef603d1844d32064f37dbd3a1 100644
--- a/var/spack/repos/builtin/packages/r-tidyverse/package.py
+++ b/var/spack/repos/builtin/packages/r-tidyverse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tiff/package.py b/var/spack/repos/builtin/packages/r-tiff/package.py
index 27e532ec32aab71fb2aff3151462d252a1096bbd..8dafca0a3525e99fba0aef4886ac0643d1e258d6 100644
--- a/var/spack/repos/builtin/packages/r-tiff/package.py
+++ b/var/spack/repos/builtin/packages/r-tiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tigris/package.py b/var/spack/repos/builtin/packages/r-tigris/package.py
index 19d27602954245d3a4f026476255f985315c99a5..a87409ac1ee447b5af84f6a2a5b8052e3addfeab 100644
--- a/var/spack/repos/builtin/packages/r-tigris/package.py
+++ b/var/spack/repos/builtin/packages/r-tigris/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-timedate/package.py b/var/spack/repos/builtin/packages/r-timedate/package.py
index d8cfe708780b6a41d45ff8cf8a5a7af824fe6b60..b55d61b881d0778f602a49e39d23afbcbf423995 100644
--- a/var/spack/repos/builtin/packages/r-timedate/package.py
+++ b/var/spack/repos/builtin/packages/r-timedate/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tmixclust/package.py b/var/spack/repos/builtin/packages/r-tmixclust/package.py
index cef3ccd5f3b01644f1f672e36ca81accbb2b0e3a..cbd49587b7bdcd6c5283a639eeba541ed7ce0c49 100644
--- a/var/spack/repos/builtin/packages/r-tmixclust/package.py
+++ b/var/spack/repos/builtin/packages/r-tmixclust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-topgo/package.py b/var/spack/repos/builtin/packages/r-topgo/package.py
index c03a5578068f59dd1462eeb002c0c84bd8e27c43..1997f407c2699a631f441dd0ec462fec8621d1bf 100644
--- a/var/spack/repos/builtin/packages/r-topgo/package.py
+++ b/var/spack/repos/builtin/packages/r-topgo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-trimcluster/package.py b/var/spack/repos/builtin/packages/r-trimcluster/package.py
index ea8ee0bc2990a4d20dcdf48cc787ea884824702d..e1ea58534d8ca2036402d53075f8bc417cc9e09d 100644
--- a/var/spack/repos/builtin/packages/r-trimcluster/package.py
+++ b/var/spack/repos/builtin/packages/r-trimcluster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-truncnorm/package.py b/var/spack/repos/builtin/packages/r-truncnorm/package.py
index 579ee6513050aee49fe11985f2bbde59848fb060..07cfb8716ec9538ee8bd72514d788e87b975413e 100644
--- a/var/spack/repos/builtin/packages/r-truncnorm/package.py
+++ b/var/spack/repos/builtin/packages/r-truncnorm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-trust/package.py b/var/spack/repos/builtin/packages/r-trust/package.py
index 2c1c72d3af084e5ac81678afafa31cabf83cfaa1..e076cf5cfd5f992e4b8ea4abe58664d714bffd5a 100644
--- a/var/spack/repos/builtin/packages/r-trust/package.py
+++ b/var/spack/repos/builtin/packages/r-trust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tseries/package.py b/var/spack/repos/builtin/packages/r-tseries/package.py
index 8e4757aca9b62438ff65ea6cb90f3f86a433da9b..8509b84944a1f1de08aa98a9134f0394cff374ce 100644
--- a/var/spack/repos/builtin/packages/r-tseries/package.py
+++ b/var/spack/repos/builtin/packages/r-tseries/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-tsne/package.py b/var/spack/repos/builtin/packages/r-tsne/package.py
index 5733a661161874a173caec16902fd94d066ed48e..89dd259886af55be05582096f3c5d72a0a78d12a 100644
--- a/var/spack/repos/builtin/packages/r-tsne/package.py
+++ b/var/spack/repos/builtin/packages/r-tsne/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-ttr/package.py b/var/spack/repos/builtin/packages/r-ttr/package.py
index 2021765041f3c7ffdc07f659aeb8884306d79810..8c30fe566b721692823611c03bc1acc7741c40f4 100644
--- a/var/spack/repos/builtin/packages/r-ttr/package.py
+++ b/var/spack/repos/builtin/packages/r-ttr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-udunits2/package.py b/var/spack/repos/builtin/packages/r-udunits2/package.py
index 97a45706be4336fc3eeac59175c5c21794c4763b..23dd7d86a080164d387658d43bb93c67df905afa 100644
--- a/var/spack/repos/builtin/packages/r-udunits2/package.py
+++ b/var/spack/repos/builtin/packages/r-udunits2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-units/package.py b/var/spack/repos/builtin/packages/r-units/package.py
index 3edf5068bee6626434a4addbe0a5e0707e9c0fff..9d3f41d0d8206f5bd327ef23fba47c7a03deb201 100644
--- a/var/spack/repos/builtin/packages/r-units/package.py
+++ b/var/spack/repos/builtin/packages/r-units/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-utils/package.py b/var/spack/repos/builtin/packages/r-utils/package.py
index 0345fe1a770adb8622d8089c64970bf8b79f226b..5ea5e2d63c2897b6a01988ce8f56ee93d306aeb3 100644
--- a/var/spack/repos/builtin/packages/r-utils/package.py
+++ b/var/spack/repos/builtin/packages/r-utils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-uuid/package.py b/var/spack/repos/builtin/packages/r-uuid/package.py
index 1a83583d5f36b113c8c6a18c700fbbe189523039..461a11ff846e2cb608d1c154c3b7e655b12702bc 100644
--- a/var/spack/repos/builtin/packages/r-uuid/package.py
+++ b/var/spack/repos/builtin/packages/r-uuid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-variantannotation/package.py b/var/spack/repos/builtin/packages/r-variantannotation/package.py
index e4fd563f540e48cd4d0287ca8d4c9ad798aa9f96..3063836f5a743cacbfc97f6c478b5159d3fe1572 100644
--- a/var/spack/repos/builtin/packages/r-variantannotation/package.py
+++ b/var/spack/repos/builtin/packages/r-variantannotation/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-varselrf/package.py b/var/spack/repos/builtin/packages/r-varselrf/package.py
index 4158c2b835309b0d299db55a8406b4d7772e688a..05a11ee0b9b332439f56b69ee2cf6515b31cbafd 100644
--- a/var/spack/repos/builtin/packages/r-varselrf/package.py
+++ b/var/spack/repos/builtin/packages/r-varselrf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-vcd/package.py b/var/spack/repos/builtin/packages/r-vcd/package.py
index aa361a6dc86548db86c33bfb2778be339249e778..07d7104686b44652d18d8f28eaea55e7b18c6a50 100644
--- a/var/spack/repos/builtin/packages/r-vcd/package.py
+++ b/var/spack/repos/builtin/packages/r-vcd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-vegan/package.py b/var/spack/repos/builtin/packages/r-vegan/package.py
index e974902e0cd92d3fec79f655af46010c6bb60ce2..c571615d924ebafaa8f1b120b0885da41ded5977 100644
--- a/var/spack/repos/builtin/packages/r-vegan/package.py
+++ b/var/spack/repos/builtin/packages/r-vegan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-vgam/package.py b/var/spack/repos/builtin/packages/r-vgam/package.py
index 06f6e61ceb4a73759cd18cd10a5d4135ba648fd1..f1482394340c480dd0c2f1ea644d485efc5c431a 100644
--- a/var/spack/repos/builtin/packages/r-vgam/package.py
+++ b/var/spack/repos/builtin/packages/r-vgam/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-vipor/package.py b/var/spack/repos/builtin/packages/r-vipor/package.py
index a0423eb25181679538e299153a3539e72e5da519..79c1d0cfbac3b15324888cf9cefc7b8679f55941 100644
--- a/var/spack/repos/builtin/packages/r-vipor/package.py
+++ b/var/spack/repos/builtin/packages/r-vipor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-viridis/package.py b/var/spack/repos/builtin/packages/r-viridis/package.py
index b1cfe05044e98fd92c89bb230554d86a612f0c12..d71d0654b0961c4b21570857e62fbdc1cf900152 100644
--- a/var/spack/repos/builtin/packages/r-viridis/package.py
+++ b/var/spack/repos/builtin/packages/r-viridis/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-viridislite/package.py b/var/spack/repos/builtin/packages/r-viridislite/package.py
index 969148dbbd5b6a1ea8ff69628471326bca86429b..d83c606dca8d55af2bcef3d108067e08e24aebbd 100644
--- a/var/spack/repos/builtin/packages/r-viridislite/package.py
+++ b/var/spack/repos/builtin/packages/r-viridislite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-visnetwork/package.py b/var/spack/repos/builtin/packages/r-visnetwork/package.py
index 8d8935414c159459426c6b00975a1c247415a1d0..decbaa0f7d75489921847b5af0c7d5fd0ddc84a4 100644
--- a/var/spack/repos/builtin/packages/r-visnetwork/package.py
+++ b/var/spack/repos/builtin/packages/r-visnetwork/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-vsn/package.py b/var/spack/repos/builtin/packages/r-vsn/package.py
index b98a9db1bbab8a975c72c078985b1f8ec6bc38d3..27e7026b655df5ab803eebf5476be4dd5b9ba9ba 100644
--- a/var/spack/repos/builtin/packages/r-vsn/package.py
+++ b/var/spack/repos/builtin/packages/r-vsn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-whisker/package.py b/var/spack/repos/builtin/packages/r-whisker/package.py
index 5386eae32efd1a630344c6a9bf2013b022ea2605..f54c9b452970b759162805a0ecb7052391396936 100644
--- a/var/spack/repos/builtin/packages/r-whisker/package.py
+++ b/var/spack/repos/builtin/packages/r-whisker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-withr/package.py b/var/spack/repos/builtin/packages/r-withr/package.py
index 0795c2f8ad820f7e3cd380a92d63bf73faf2af23..cd9888c4311a49853a2e7dd537e25e72a895c982 100644
--- a/var/spack/repos/builtin/packages/r-withr/package.py
+++ b/var/spack/repos/builtin/packages/r-withr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xde/package.py b/var/spack/repos/builtin/packages/r-xde/package.py
index f48b174e25de3f7c5f125984002a576f830c7a68..25598b44dc28f6945c1d023de5c63934353fad92 100644
--- a/var/spack/repos/builtin/packages/r-xde/package.py
+++ b/var/spack/repos/builtin/packages/r-xde/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xgboost/package.py b/var/spack/repos/builtin/packages/r-xgboost/package.py
index fd5a5ea39e48c7c5408659baeaee7d0e3b69fbc1..ad7aac9f0e64c91630f4841152ca59c867a319c0 100644
--- a/var/spack/repos/builtin/packages/r-xgboost/package.py
+++ b/var/spack/repos/builtin/packages/r-xgboost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/r-xlconnect/package.py b/var/spack/repos/builtin/packages/r-xlconnect/package.py
index 2b56f83c9a247bec9ea0e22c17d05d6b1c1e4e37..49d468f539b3ab32841f07b3317fb33311ae71bd 100644
--- a/var/spack/repos/builtin/packages/r-xlconnect/package.py
+++ b/var/spack/repos/builtin/packages/r-xlconnect/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xlconnectjars/package.py b/var/spack/repos/builtin/packages/r-xlconnectjars/package.py
index fa6fcbb996530182f7eb92ceed01e978158a3d42..a8f128cda140f17db14e4dd1679c7a2f304b7f36 100644
--- a/var/spack/repos/builtin/packages/r-xlconnectjars/package.py
+++ b/var/spack/repos/builtin/packages/r-xlconnectjars/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xlsx/package.py b/var/spack/repos/builtin/packages/r-xlsx/package.py
index e8cbb88d11d8045ebbc3696a961ac6e6015bf2b6..82d36970be641730a0b6c090c8dc98884c1142b6 100644
--- a/var/spack/repos/builtin/packages/r-xlsx/package.py
+++ b/var/spack/repos/builtin/packages/r-xlsx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xlsxjars/package.py b/var/spack/repos/builtin/packages/r-xlsxjars/package.py
index c79c922f60d58bbe9ecffedd60807b49acaae0f1..bb49a81b702ad13aeb49cd01371d71d1ac22eb17 100644
--- a/var/spack/repos/builtin/packages/r-xlsxjars/package.py
+++ b/var/spack/repos/builtin/packages/r-xlsxjars/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xmapbridge/package.py b/var/spack/repos/builtin/packages/r-xmapbridge/package.py
index c098824fb4f5e8b06e23144c30b2530b60dfab56..07b410fc7fbcd1c800f5d20d3eb6dd0b5060efd2 100644
--- a/var/spack/repos/builtin/packages/r-xmapbridge/package.py
+++ b/var/spack/repos/builtin/packages/r-xmapbridge/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xml/package.py b/var/spack/repos/builtin/packages/r-xml/package.py
index d9d8afd54bb35af1c020cf5d53f06deb92936973..9ce222a35192148b1399afc2e2501788cee19143 100644
--- a/var/spack/repos/builtin/packages/r-xml/package.py
+++ b/var/spack/repos/builtin/packages/r-xml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xml2/package.py b/var/spack/repos/builtin/packages/r-xml2/package.py
index b43c3627ac03870f2fd7534c1fbfcca1e5aedaa0..9d5cc6f56d0e2b02697f0904eff75e3214646eff 100644
--- a/var/spack/repos/builtin/packages/r-xml2/package.py
+++ b/var/spack/repos/builtin/packages/r-xml2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xtable/package.py b/var/spack/repos/builtin/packages/r-xtable/package.py
index 05aea7033b7e82dd4e9614edbe6fb3258e6c06ae..78a5833949aec735478371a372e4378af28b35ca 100644
--- a/var/spack/repos/builtin/packages/r-xtable/package.py
+++ b/var/spack/repos/builtin/packages/r-xtable/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xts/package.py b/var/spack/repos/builtin/packages/r-xts/package.py
index 13fc6c35e1e74308f51d1fce59e3369b90ad282e..1efa347f1c138bedc35fa8bbe5b3c031b2e7b375 100644
--- a/var/spack/repos/builtin/packages/r-xts/package.py
+++ b/var/spack/repos/builtin/packages/r-xts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-xvector/package.py b/var/spack/repos/builtin/packages/r-xvector/package.py
index b56c8653eae34b0f4bc90fa4d42f071f71f2ab5b..bd9c8a767287895342b07548e984c587c8f8afc4 100644
--- a/var/spack/repos/builtin/packages/r-xvector/package.py
+++ b/var/spack/repos/builtin/packages/r-xvector/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-yaml/package.py b/var/spack/repos/builtin/packages/r-yaml/package.py
index 1cb316475fec47751cec9b60196569ff43525059..4c582bee8f38040c3fc03c4f1426284c00447c65 100644
--- a/var/spack/repos/builtin/packages/r-yaml/package.py
+++ b/var/spack/repos/builtin/packages/r-yaml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-yapsa/package.py b/var/spack/repos/builtin/packages/r-yapsa/package.py
index 99df404e063e36ae029792069d2881046e071dad..4e771bd199a699e0543b3136a194cad2a5284141 100644
--- a/var/spack/repos/builtin/packages/r-yapsa/package.py
+++ b/var/spack/repos/builtin/packages/r-yapsa/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-yaqcaffy/package.py b/var/spack/repos/builtin/packages/r-yaqcaffy/package.py
index f645ef4d4c75a70c46c3168d6c8a1a1d1b97fafb..9ead0a911099c8a142f12114d4f08a9721832069 100644
--- a/var/spack/repos/builtin/packages/r-yaqcaffy/package.py
+++ b/var/spack/repos/builtin/packages/r-yaqcaffy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-yarn/package.py b/var/spack/repos/builtin/packages/r-yarn/package.py
index 16208137de6b9784cef9a7d42c5e5941657b0d47..bf181f5886f2db145faa16d5b0e7688d91df4176 100644
--- a/var/spack/repos/builtin/packages/r-yarn/package.py
+++ b/var/spack/repos/builtin/packages/r-yarn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-zlibbioc/package.py b/var/spack/repos/builtin/packages/r-zlibbioc/package.py
index 9092694bba65992d51694226f6e7a0f316cdce00..b493b2a66ffe27511243804f0cc404aae3038aaf 100644
--- a/var/spack/repos/builtin/packages/r-zlibbioc/package.py
+++ b/var/spack/repos/builtin/packages/r-zlibbioc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r-zoo/package.py b/var/spack/repos/builtin/packages/r-zoo/package.py
index 0d9c706192133587f1cc6129d05589fa44116b83..c746c297b62ddcdf70bcd0494ab292cca5bfb92c 100644
--- a/var/spack/repos/builtin/packages/r-zoo/package.py
+++ b/var/spack/repos/builtin/packages/r-zoo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/r/package.py b/var/spack/repos/builtin/packages/r/package.py
index 52d11f5bbb4f54544b33e5689a686da5f1eb5cb9..6430e5b33fffc6a341d80584b79e1ad40c747be0 100644
--- a/var/spack/repos/builtin/packages/r/package.py
+++ b/var/spack/repos/builtin/packages/r/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/racon/package.py b/var/spack/repos/builtin/packages/racon/package.py
index 2ea37300873f9add28d4cb9d9d8b5f0f1c691749..706d1f68c2abe792b3cf71ca3bcc34a5b52eed43 100644
--- a/var/spack/repos/builtin/packages/racon/package.py
+++ b/var/spack/repos/builtin/packages/racon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/raft/package.py b/var/spack/repos/builtin/packages/raft/package.py
index 37a49e69c5193cf9766a05c66a649ebe4d7e7916..44d4828b97c83949b3fc990979bcf69ce3baf62a 100644
--- a/var/spack/repos/builtin/packages/raft/package.py
+++ b/var/spack/repos/builtin/packages/raft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/ragel/package.py b/var/spack/repos/builtin/packages/ragel/package.py
index 92497082c304d0f2a8958808fa3abc92317ef200..90056223e43795b1c342d0dc38fae911a33217ad 100644
--- a/var/spack/repos/builtin/packages/ragel/package.py
+++ b/var/spack/repos/builtin/packages/ragel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/raja/package.py b/var/spack/repos/builtin/packages/raja/package.py
index 660d9d6547de5a4f58a092866d3fcbe88d1efb39..eceaf277fc2a5d0782d343f34434fc3439a5248f 100644
--- a/var/spack/repos/builtin/packages/raja/package.py
+++ b/var/spack/repos/builtin/packages/raja/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/randfold/package.py b/var/spack/repos/builtin/packages/randfold/package.py
index adfb70e0bf37800a86255d612c5986f5157aa760..12f6b0e2faf11f6de6a6d28ae49a165c2a436f94 100644
--- a/var/spack/repos/builtin/packages/randfold/package.py
+++ b/var/spack/repos/builtin/packages/randfold/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/random123/package.py b/var/spack/repos/builtin/packages/random123/package.py
index ea5160929d4d684c43e8855350badeb6f9ea0c18..0274adcc5da13b3ffeb8a168ccc982edcf0fd68d 100644
--- a/var/spack/repos/builtin/packages/random123/package.py
+++ b/var/spack/repos/builtin/packages/random123/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/randrproto/package.py b/var/spack/repos/builtin/packages/randrproto/package.py
index f7b95f53d3f2c59655d0be968128de09d55e6367..151ada479ed145d9a383ee7b57396242db4aaf5c 100644
--- a/var/spack/repos/builtin/packages/randrproto/package.py
+++ b/var/spack/repos/builtin/packages/randrproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/range-v3/package.py b/var/spack/repos/builtin/packages/range-v3/package.py
index 93e2b857f3d4ea0474949838328c31c53993a575..e3d226a741a75d6bf431ee03062522e8d8af9020 100644
--- a/var/spack/repos/builtin/packages/range-v3/package.py
+++ b/var/spack/repos/builtin/packages/range-v3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rankstr/package.py b/var/spack/repos/builtin/packages/rankstr/package.py
index f976744fc01b18ca534954fe00d94ceb64dc147a..3334b8deeb1334b3c3d9f1bb4f507123e5c3ea2c 100644
--- a/var/spack/repos/builtin/packages/rankstr/package.py
+++ b/var/spack/repos/builtin/packages/rankstr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rapidjson/package.py b/var/spack/repos/builtin/packages/rapidjson/package.py
index 428464a855f7de22d7b7b885b2171a91e6f3c1db..33d616cb2a6e142ced3ee59548ee8276b3c69b48 100644
--- a/var/spack/repos/builtin/packages/rapidjson/package.py
+++ b/var/spack/repos/builtin/packages/rapidjson/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ravel/package.py b/var/spack/repos/builtin/packages/ravel/package.py
index 9e37d7dae9a733ba7570e63de97c285d6c34f268..7a2f53ea4d8cbbd97367793c8860cfee9257edfa 100644
--- a/var/spack/repos/builtin/packages/ravel/package.py
+++ b/var/spack/repos/builtin/packages/ravel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/raxml/package.py b/var/spack/repos/builtin/packages/raxml/package.py
index 4dea6f72d04726f96c169185becef1f9b3d609dc..edb781eb80684da31b5eaa2f542b956023b71790 100644
--- a/var/spack/repos/builtin/packages/raxml/package.py
+++ b/var/spack/repos/builtin/packages/raxml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/ray/package.py b/var/spack/repos/builtin/packages/ray/package.py
index 37ba9a5a44ae6f6e6c4784a68614d07bb657bc3d..f8d3c0f1b10b959fafbf41572a372fd18e07d779 100644
--- a/var/spack/repos/builtin/packages/ray/package.py
+++ b/var/spack/repos/builtin/packages/ray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rclone/package.py b/var/spack/repos/builtin/packages/rclone/package.py
index 8ae8c91d4e85eb796661bd519604b3a2bb2feea8..ae8a1d2c26e92fc57226d4f26d46a9524cb32fb6 100644
--- a/var/spack/repos/builtin/packages/rclone/package.py
+++ b/var/spack/repos/builtin/packages/rclone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rdma-core/package.py b/var/spack/repos/builtin/packages/rdma-core/package.py
index 51559512a36f1bc21c3039dc7987c370a3428bad..37138e920346c034b5ecd53a8922209522cb7c27 100644
--- a/var/spack/repos/builtin/packages/rdma-core/package.py
+++ b/var/spack/repos/builtin/packages/rdma-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rdp-classifier/package.py b/var/spack/repos/builtin/packages/rdp-classifier/package.py
index 524259fd7a896f9736fb5922d0455d85d0f16801..b17e92606695d2e408722930e38c1b6e1d479acc 100644
--- a/var/spack/repos/builtin/packages/rdp-classifier/package.py
+++ b/var/spack/repos/builtin/packages/rdp-classifier/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/re2c/package.py b/var/spack/repos/builtin/packages/re2c/package.py
index ca6d343b4ad627a02866dda6def4479b5450d3a0..596c03cc299d4984efa2b5213791340176ac10af 100644
--- a/var/spack/repos/builtin/packages/re2c/package.py
+++ b/var/spack/repos/builtin/packages/re2c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/readfq/package.py b/var/spack/repos/builtin/packages/readfq/package.py
index 6fad0215c1d7803bc120a9fefb89219c9bab090c..28ee9225aa5e1a9b43b407bec8033a5118b69aa8 100644
--- a/var/spack/repos/builtin/packages/readfq/package.py
+++ b/var/spack/repos/builtin/packages/readfq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/readline/package.py b/var/spack/repos/builtin/packages/readline/package.py
index 2e83fc4e8242d11766efc5b49abe3cdfea3a24fb..156a7d429b3175e1fe14bcb70fe0f26ee6726e63 100644
--- a/var/spack/repos/builtin/packages/readline/package.py
+++ b/var/spack/repos/builtin/packages/readline/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/recordproto/package.py b/var/spack/repos/builtin/packages/recordproto/package.py
index 27dead7ea6db591b11e31859432d5f47d28ed585..737d6e3ffb2706ef57deced907c3717dc1750915 100644
--- a/var/spack/repos/builtin/packages/recordproto/package.py
+++ b/var/spack/repos/builtin/packages/recordproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/redset/package.py b/var/spack/repos/builtin/packages/redset/package.py
index 971be198b49bce03f85ce8d13ac7a4d66c593d0d..3514a9bbf17760b5e552c80a78db779ad685a31d 100644
--- a/var/spack/repos/builtin/packages/redset/package.py
+++ b/var/spack/repos/builtin/packages/redset/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/redundans/package.py b/var/spack/repos/builtin/packages/redundans/package.py
index 2364ce082bda6d6b5a67fe6d4602eb9cc1b35b31..17aed51ee17e019ec31482a22c6eb8a479e298bd 100644
--- a/var/spack/repos/builtin/packages/redundans/package.py
+++ b/var/spack/repos/builtin/packages/redundans/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/relion/package.py b/var/spack/repos/builtin/packages/relion/package.py
index 62a0b2c0a0c7e10c4d502c438c33447a18be69d8..eb092b6fa10c77e4e5ecacfc8c943703b387674a 100644
--- a/var/spack/repos/builtin/packages/relion/package.py
+++ b/var/spack/repos/builtin/packages/relion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rempi/package.py b/var/spack/repos/builtin/packages/rempi/package.py
index 26304c1f0399700295aa2d6fdcd59ec7124c9bbb..d3559fe6a0d81dcb4ec047b7204631866e37b7af 100644
--- a/var/spack/repos/builtin/packages/rempi/package.py
+++ b/var/spack/repos/builtin/packages/rempi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rename/package.py b/var/spack/repos/builtin/packages/rename/package.py
index 7581d6f847c936021738f58d03cfd6a5a737a944..dfdaa310270f9c4ae3d06f8f85b48b53ae4890ac 100644
--- a/var/spack/repos/builtin/packages/rename/package.py
+++ b/var/spack/repos/builtin/packages/rename/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rendercheck/package.py b/var/spack/repos/builtin/packages/rendercheck/package.py
index 33d8f0fcdfd0ad7b98866dd856c791c9510ba257..ea66f66c0b605cc1acc4a723dc738e2bf96d092e 100644
--- a/var/spack/repos/builtin/packages/rendercheck/package.py
+++ b/var/spack/repos/builtin/packages/rendercheck/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/renderproto/package.py b/var/spack/repos/builtin/packages/renderproto/package.py
index e1d3c8acd041b5f3d09d711a58981dfa3a08e24a..ded178b5bbbe7c259a744f941014ad8022d84bd3 100644
--- a/var/spack/repos/builtin/packages/renderproto/package.py
+++ b/var/spack/repos/builtin/packages/renderproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/repeatmasker/package.py b/var/spack/repos/builtin/packages/repeatmasker/package.py
index 6177bb5710594112b539795cb3faa27a097b0114..63d680c2e14b73034b7270c473a778d6cdb9a95f 100644
--- a/var/spack/repos/builtin/packages/repeatmasker/package.py
+++ b/var/spack/repos/builtin/packages/repeatmasker/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import inspect
 
diff --git a/var/spack/repos/builtin/packages/resourceproto/package.py b/var/spack/repos/builtin/packages/resourceproto/package.py
index cc112247b46c470b5f3bbeb4622d3fb404cc40a9..98f126f5d97a002a27da7355fad18726281b0bd1 100644
--- a/var/spack/repos/builtin/packages/resourceproto/package.py
+++ b/var/spack/repos/builtin/packages/resourceproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/revbayes/package.py b/var/spack/repos/builtin/packages/revbayes/package.py
index 06bdaaa4c1a548fd01c08096b99f581ed454bb0d..9eb3674b393d326491a55fcf077209b1771e97b1 100644
--- a/var/spack/repos/builtin/packages/revbayes/package.py
+++ b/var/spack/repos/builtin/packages/revbayes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rgb/package.py b/var/spack/repos/builtin/packages/rgb/package.py
index 1bfef10a3c9ce95b26737735f65e23e28d2c23f6..f0aa44b75cc7ddfd2e9cc952f202d59e9bec8264 100644
--- a/var/spack/repos/builtin/packages/rgb/package.py
+++ b/var/spack/repos/builtin/packages/rgb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rhash/package.py b/var/spack/repos/builtin/packages/rhash/package.py
index dc769071c48bcb6525c9934837f7afa45c0c6c8b..6ea3a56a0b323d39fdf666a1c4d6e02c899046b5 100644
--- a/var/spack/repos/builtin/packages/rhash/package.py
+++ b/var/spack/repos/builtin/packages/rhash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import glob
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/rlwrap/package.py b/var/spack/repos/builtin/packages/rlwrap/package.py
index 521dd9d9699b066c870cdc770f5a1fd6bc2c061f..6378e6b45ddb64a980f5d07625528f5185525053 100644
--- a/var/spack/repos/builtin/packages/rlwrap/package.py
+++ b/var/spack/repos/builtin/packages/rlwrap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rmats/package.py b/var/spack/repos/builtin/packages/rmats/package.py
index 3f969b4b1c68637e6e0dbc9942bfbfee79132f2e..990d5a8f77e075dd99f25d2bed482c7ff0a28110 100644
--- a/var/spack/repos/builtin/packages/rmats/package.py
+++ b/var/spack/repos/builtin/packages/rmats/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 from os import symlink
diff --git a/var/spack/repos/builtin/packages/rmlab/package.py b/var/spack/repos/builtin/packages/rmlab/package.py
index 900ceb6b5e1a8f0f0aeb9bea59ff307178369896..5304bf0d091f829acb9b06a73b3749463a65814e 100644
--- a/var/spack/repos/builtin/packages/rmlab/package.py
+++ b/var/spack/repos/builtin/packages/rmlab/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rna-seqc/package.py b/var/spack/repos/builtin/packages/rna-seqc/package.py
index cc58cb7e0e7bb6ef64d62469052153ba7b6b027f..38fbf7c4744820f2d8de7c392e8b7272781e07b6 100644
--- a/var/spack/repos/builtin/packages/rna-seqc/package.py
+++ b/var/spack/repos/builtin/packages/rna-seqc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/rngstreams/package.py b/var/spack/repos/builtin/packages/rngstreams/package.py
index b6a60acae0cfb1b81d6da620d5da472df8c7e8e2..7168d0c40095d4d8c067153172d5f3784f1b1694 100644
--- a/var/spack/repos/builtin/packages/rngstreams/package.py
+++ b/var/spack/repos/builtin/packages/rngstreams/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rockstar/package.py b/var/spack/repos/builtin/packages/rockstar/package.py
index ba4134f7312b3f4c20d0ce01eec7bee2d5bda1e1..fc9a0fa76d8dc503ced22075b01f13adf157e714 100644
--- a/var/spack/repos/builtin/packages/rockstar/package.py
+++ b/var/spack/repos/builtin/packages/rockstar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/root/package.py b/var/spack/repos/builtin/packages/root/package.py
index cf8e442799d068b59a9726f74e7bf660c0cc0a6f..91da3fc582ce833ac947b1929308a2c3243ad001 100644
--- a/var/spack/repos/builtin/packages/root/package.py
+++ b/var/spack/repos/builtin/packages/root/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import sys
diff --git a/var/spack/repos/builtin/packages/rose/package.py b/var/spack/repos/builtin/packages/rose/package.py
index 12c1f4223d42bd3c6dab917d32a340728f918036..537c30f2d4003b7e9fd2956f5ccf6e057c04bc29 100644
--- a/var/spack/repos/builtin/packages/rose/package.py
+++ b/var/spack/repos/builtin/packages/rose/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 # -----------------------------------------------------------------------------
 # Author: Justin Too <too1@llnl.gov>
 # -----------------------------------------------------------------------------
diff --git a/var/spack/repos/builtin/packages/ross/package.py b/var/spack/repos/builtin/packages/ross/package.py
index e43422caba156b91bb54f7ba5f8562214b452311..95b2f6a571b590efaec7d3e6edd18e4872c17be0 100644
--- a/var/spack/repos/builtin/packages/ross/package.py
+++ b/var/spack/repos/builtin/packages/ross/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rr/package.py b/var/spack/repos/builtin/packages/rr/package.py
index baf79aca6b7a65669e5022ae4dd838475b73cd24..2c5ed168a089f7eb7b939a75243c090b6e44c9ad 100644
--- a/var/spack/repos/builtin/packages/rr/package.py
+++ b/var/spack/repos/builtin/packages/rr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rsbench/package.py b/var/spack/repos/builtin/packages/rsbench/package.py
index 1215dd486de3febc381d78f821bb253b26b15e95..6f1595c02b00ab894fd1a0e7fe24a37911d8afc6 100644
--- a/var/spack/repos/builtin/packages/rsbench/package.py
+++ b/var/spack/repos/builtin/packages/rsbench/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/rsem/package.py b/var/spack/repos/builtin/packages/rsem/package.py
index 7cffb30cf281a1656be21e098f38d4ff20f3df8b..8212c11427eccc36e0d39eae9ada9a736db1f1ce 100644
--- a/var/spack/repos/builtin/packages/rsem/package.py
+++ b/var/spack/repos/builtin/packages/rsem/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rstart/package.py b/var/spack/repos/builtin/packages/rstart/package.py
index 1c56f3a9df2c1f00a86808f8af01424ea5daf19f..d819274a9c8cba06e0c03bd7f5fc4c725e7d107a 100644
--- a/var/spack/repos/builtin/packages/rstart/package.py
+++ b/var/spack/repos/builtin/packages/rstart/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rsync/package.py b/var/spack/repos/builtin/packages/rsync/package.py
index 660d1bcb763b4b243ffd69c6e2ad32c7b85f4c6d..d1f4384b6a17373746b517dd7b348d3cf0e0d293 100644
--- a/var/spack/repos/builtin/packages/rsync/package.py
+++ b/var/spack/repos/builtin/packages/rsync/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rtags/package.py b/var/spack/repos/builtin/packages/rtags/package.py
index fcd9cca30211fe9e5f50f4972877ed4f0e52285a..d7d9b313dda3a253aa6e1bf086a03b21119359ca 100644
--- a/var/spack/repos/builtin/packages/rtags/package.py
+++ b/var/spack/repos/builtin/packages/rtags/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rtax/package.py b/var/spack/repos/builtin/packages/rtax/package.py
index 5c471c0f742f554636b7ec3807602c0676bd08e3..ead837149938bd57b6372d56be26430a1d388e51 100644
--- a/var/spack/repos/builtin/packages/rtax/package.py
+++ b/var/spack/repos/builtin/packages/rtax/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby-gnuplot/package.py b/var/spack/repos/builtin/packages/ruby-gnuplot/package.py
index f8bf2b04aaf0f1ab6a084b066eecda79bbfbd983..a947c001aa227db6591adac06ec02aadce49f7bb 100644
--- a/var/spack/repos/builtin/packages/ruby-gnuplot/package.py
+++ b/var/spack/repos/builtin/packages/ruby-gnuplot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby-narray/package.py b/var/spack/repos/builtin/packages/ruby-narray/package.py
index 1f9922cf019bc2266c082e23d65ceb9f9a8ddb88..52f1db091fc4cab1b2536e3d347e792c789d181a 100644
--- a/var/spack/repos/builtin/packages/ruby-narray/package.py
+++ b/var/spack/repos/builtin/packages/ruby-narray/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby-ronn/package.py b/var/spack/repos/builtin/packages/ruby-ronn/package.py
index af3776a5a33113b9c1cd5a8efe70e76b3bea9652..2637bcfc6aaaada378a862732face035e8e25ea3 100644
--- a/var/spack/repos/builtin/packages/ruby-ronn/package.py
+++ b/var/spack/repos/builtin/packages/ruby-ronn/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby-rubyinline/package.py b/var/spack/repos/builtin/packages/ruby-rubyinline/package.py
index cd91004bec7a5f4615bcfa6f53917ef3398ef5f8..f3ab0cd49b3da8e479e8a6a1aba9a8d5e0646213 100644
--- a/var/spack/repos/builtin/packages/ruby-rubyinline/package.py
+++ b/var/spack/repos/builtin/packages/ruby-rubyinline/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby-svn2git/package.py b/var/spack/repos/builtin/packages/ruby-svn2git/package.py
index 292c736a30907e49be95f070500f3c4632fe5a8f..6373247051d59038abd3294066b2b139bfc1a995 100644
--- a/var/spack/repos/builtin/packages/ruby-svn2git/package.py
+++ b/var/spack/repos/builtin/packages/ruby-svn2git/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby-terminal-table/package.py b/var/spack/repos/builtin/packages/ruby-terminal-table/package.py
index 62900b98519e0641f14c1c415b9e67db04d6d9a0..083e20bb5caf82f4ab73c6a22333416dfc173431 100644
--- a/var/spack/repos/builtin/packages/ruby-terminal-table/package.py
+++ b/var/spack/repos/builtin/packages/ruby-terminal-table/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ruby/package.py b/var/spack/repos/builtin/packages/ruby/package.py
index 77e7d80abf09da2ef8acd661bc4030a42eb3b33c..f1ae31f177a6059572dd494c0fa26b7ed51938b0 100644
--- a/var/spack/repos/builtin/packages/ruby/package.py
+++ b/var/spack/repos/builtin/packages/ruby/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/rust-bindgen/package.py b/var/spack/repos/builtin/packages/rust-bindgen/package.py
index d33a188dd1bcc6ba224ef2d7b219e7266c7eddb5..de0eda3feeb3b7689725321ebc1887efdca183f2 100644
--- a/var/spack/repos/builtin/packages/rust-bindgen/package.py
+++ b/var/spack/repos/builtin/packages/rust-bindgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/rust/package.py b/var/spack/repos/builtin/packages/rust/package.py
index 4b098c34ac3b62bd9c9e928cf8457c434bab8fa7..8c86ae4696b5ad975d347ce85a465eb645d80664 100644
--- a/var/spack/repos/builtin/packages/rust/package.py
+++ b/var/spack/repos/builtin/packages/rust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/sabre/package.py b/var/spack/repos/builtin/packages/sabre/package.py
index 5d65806e48d38072dd2751c15d4c3416a96452de..b1c7c8b81d9db78734377d4fbdb39a3049dcfb7f 100644
--- a/var/spack/repos/builtin/packages/sabre/package.py
+++ b/var/spack/repos/builtin/packages/sabre/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sailfish/package.py b/var/spack/repos/builtin/packages/sailfish/package.py
index 132cc55770417eff008b42ab882831e15a8256ee..1db70a05f528e1589619341fb2046a8949cc7b17 100644
--- a/var/spack/repos/builtin/packages/sailfish/package.py
+++ b/var/spack/repos/builtin/packages/sailfish/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/salmon/package.py b/var/spack/repos/builtin/packages/salmon/package.py
index f9c561ed2920bd81f11a498e709e4275a749f8dd..06bfd70324eec1022a1bb07fc71fbf0abcb85945 100644
--- a/var/spack/repos/builtin/packages/salmon/package.py
+++ b/var/spack/repos/builtin/packages/salmon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sambamba/package.py b/var/spack/repos/builtin/packages/sambamba/package.py
index 3b8631a0cae38b96387c3a073a4ddd3792c8eb32..69ed5fd6764e036a9402eadfb71c5777831e2cc8 100644
--- a/var/spack/repos/builtin/packages/sambamba/package.py
+++ b/var/spack/repos/builtin/packages/sambamba/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/samblaster/package.py b/var/spack/repos/builtin/packages/samblaster/package.py
index 1c2826035953d7931162f62aed1130706357c134..d463fbea551ac48db1eb4aad29625b453540a035 100644
--- a/var/spack/repos/builtin/packages/samblaster/package.py
+++ b/var/spack/repos/builtin/packages/samblaster/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/samrai/package.py b/var/spack/repos/builtin/packages/samrai/package.py
index f1c8f78332eca8c536fee32ee3b05be7c53570c0..69c840b490337baa73f6f66088ff54b59c2db7cf 100644
--- a/var/spack/repos/builtin/packages/samrai/package.py
+++ b/var/spack/repos/builtin/packages/samrai/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/samtools/package.py b/var/spack/repos/builtin/packages/samtools/package.py
index dd59b78d36f3d75fb823e9a97a5797ab067de001..95949a86c64dfc38a89475181eca49ab7f4046fe 100644
--- a/var/spack/repos/builtin/packages/samtools/package.py
+++ b/var/spack/repos/builtin/packages/samtools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sandbox/package.py b/var/spack/repos/builtin/packages/sandbox/package.py
index 58c66962433c100cc98ab99a42271e628266c909..d86222b0d94f3d83831c5963f2a663ab882b621d 100644
--- a/var/spack/repos/builtin/packages/sandbox/package.py
+++ b/var/spack/repos/builtin/packages/sandbox/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sas/package.py b/var/spack/repos/builtin/packages/sas/package.py
index ad85f83e9701d4c2b59e818ba719bd10e3e93af8..d2d07bff0a811345ce27f1ef5e3062d6259d37e7 100644
--- a/var/spack/repos/builtin/packages/sas/package.py
+++ b/var/spack/repos/builtin/packages/sas/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/satsuma2/package.py b/var/spack/repos/builtin/packages/satsuma2/package.py
index e171ed316bec18427ed6b9e50de643f950c1f52b..82dae616e4acd4f63471c586c2fbdb2804da5d0b 100644
--- a/var/spack/repos/builtin/packages/satsuma2/package.py
+++ b/var/spack/repos/builtin/packages/satsuma2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/savanna/package.py b/var/spack/repos/builtin/packages/savanna/package.py
index 126c79a5ba5784a14c78fc6a17db80e5e3a9f738..5e49428f0c90e4145bd16b1253a6a726107eed71 100644
--- a/var/spack/repos/builtin/packages/savanna/package.py
+++ b/var/spack/repos/builtin/packages/savanna/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/saws/package.py b/var/spack/repos/builtin/packages/saws/package.py
index 53aa4c11e202c1a24604a4ec209c83883eb08be4..359258a1dd8861899963084aac7ff3e0d9114cc6 100644
--- a/var/spack/repos/builtin/packages/saws/package.py
+++ b/var/spack/repos/builtin/packages/saws/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sbt/package.py b/var/spack/repos/builtin/packages/sbt/package.py
index 5ad2bd2745c54b07b31d8166f8984359217ebbce..791d316ef2347cb0ce55907557bb51991b34dadc 100644
--- a/var/spack/repos/builtin/packages/sbt/package.py
+++ b/var/spack/repos/builtin/packages/sbt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scala/package.py b/var/spack/repos/builtin/packages/scala/package.py
index 3a036d99f856221c73f4eb0f066f4797459cc3bc..263a62b9561d18fc4b0185d72613ca738d67bf5b 100644
--- a/var/spack/repos/builtin/packages/scala/package.py
+++ b/var/spack/repos/builtin/packages/scala/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/scalasca/package.py b/var/spack/repos/builtin/packages/scalasca/package.py
index 813ef81d13ef105d53ba18e921063744f648a535..3616008878e53021a7ce898720d9b731eaf67e67 100644
--- a/var/spack/repos/builtin/packages/scalasca/package.py
+++ b/var/spack/repos/builtin/packages/scalasca/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/scalpel/package.py b/var/spack/repos/builtin/packages/scalpel/package.py
index cdbbab41814ce3d9c09d29b62f3a6d6780ee0783..a44106cb68d76c3bbf388a3ca9a16bb2443369b1 100644
--- a/var/spack/repos/builtin/packages/scalpel/package.py
+++ b/var/spack/repos/builtin/packages/scalpel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scan-for-matches/package.py b/var/spack/repos/builtin/packages/scan-for-matches/package.py
index b50c2b6d9226ed16a2adc97cf0e0beaf3e3337d4..54d5e285ecd944548fbacd0fac553c5f2b16aa29 100644
--- a/var/spack/repos/builtin/packages/scan-for-matches/package.py
+++ b/var/spack/repos/builtin/packages/scan-for-matches/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scons/package.py b/var/spack/repos/builtin/packages/scons/package.py
index 6ebdeaf09f1a4b54d0750418fd31bf5626fe7f91..7dcae8c9601dc006407be14252a53f737149b84a 100644
--- a/var/spack/repos/builtin/packages/scons/package.py
+++ b/var/spack/repos/builtin/packages/scons/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scorec-core/package.py b/var/spack/repos/builtin/packages/scorec-core/package.py
index 329d7c8a013f7cef7a49cbdbbd778cf290eee103..ad6b5c1876e84a7c01938396fe8dd589d7e707c7 100644
--- a/var/spack/repos/builtin/packages/scorec-core/package.py
+++ b/var/spack/repos/builtin/packages/scorec-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scorep/package.py b/var/spack/repos/builtin/packages/scorep/package.py
index b794f83f7a4d32afc141773609c8370259242287..b5a1fa73cdc4749ba927d9e73caad87c71748dda 100644
--- a/var/spack/repos/builtin/packages/scorep/package.py
+++ b/var/spack/repos/builtin/packages/scorep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scotch/package.py b/var/spack/repos/builtin/packages/scotch/package.py
index c2ceb679efa1a8a2d6b9fcfd219a7f5bb2bb0a28..e15696b54b6b79c77660bbaa29cd33f1a34d7558 100644
--- a/var/spack/repos/builtin/packages/scotch/package.py
+++ b/var/spack/repos/builtin/packages/scotch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scr/package.py b/var/spack/repos/builtin/packages/scr/package.py
index 8fc0ecd4895517020713dbe6c152fe7fa4b0593c..cffbcd8a12d22b71f03c5f7d91d4bbf63be17538 100644
--- a/var/spack/repos/builtin/packages/scr/package.py
+++ b/var/spack/repos/builtin/packages/scr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 import os
diff --git a/var/spack/repos/builtin/packages/screen/package.py b/var/spack/repos/builtin/packages/screen/package.py
index cb1daf4da76bacc75c5538105f87f3223918d943..5094b349718c33ef8f4a4fed4d30a27b61c4ca23 100644
--- a/var/spack/repos/builtin/packages/screen/package.py
+++ b/var/spack/repos/builtin/packages/screen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scripts/package.py b/var/spack/repos/builtin/packages/scripts/package.py
index bc648178eac4e1fa679a4f380fea4184fca90e10..5589169cc89335f255511bbad4bf85c86e996c14 100644
--- a/var/spack/repos/builtin/packages/scripts/package.py
+++ b/var/spack/repos/builtin/packages/scripts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/scrnsaverproto/package.py b/var/spack/repos/builtin/packages/scrnsaverproto/package.py
index e2938c389e7cc1bd344987fe0297df6b803fc6f9..6647763b6addbc4ccbe1083326063fbf41ef7fb5 100644
--- a/var/spack/repos/builtin/packages/scrnsaverproto/package.py
+++ b/var/spack/repos/builtin/packages/scrnsaverproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sctk/package.py b/var/spack/repos/builtin/packages/sctk/package.py
index 97326572ff8f48ba444b72cb7294db4dcf1c3a5e..33fbb76d700f4b4fc8c4e3f1387ec33499458b1c 100644
--- a/var/spack/repos/builtin/packages/sctk/package.py
+++ b/var/spack/repos/builtin/packages/sctk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sdl2-image/package.py b/var/spack/repos/builtin/packages/sdl2-image/package.py
index 30ec04d6a6c03395e5a04f4a4d77c8036e771d3a..6a28c37d40647628ec4a65e6fb48214aac56f62e 100644
--- a/var/spack/repos/builtin/packages/sdl2-image/package.py
+++ b/var/spack/repos/builtin/packages/sdl2-image/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sdl2/package.py b/var/spack/repos/builtin/packages/sdl2/package.py
index 6dcea62d542a5a984a76b3e9715abc9a2d3e3ce2..5e831ebba3aa91228ea1ab0b672cfcb25ad7b296 100644
--- a/var/spack/repos/builtin/packages/sdl2/package.py
+++ b/var/spack/repos/builtin/packages/sdl2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sed/package.py b/var/spack/repos/builtin/packages/sed/package.py
index 90ad6729eeb6bdb96d38edd4bd1d75bb499cd165..19fd8b7c59a24a41a999f9ec33a3564b63b578d7 100644
--- a/var/spack/repos/builtin/packages/sed/package.py
+++ b/var/spack/repos/builtin/packages/sed/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/seqan/package.py b/var/spack/repos/builtin/packages/seqan/package.py
index cbdba07504a3340d0f4dcf3b5d20b86ab82937e7..a13ed6d3b28469e24570a53091afe3d83c05428d 100644
--- a/var/spack/repos/builtin/packages/seqan/package.py
+++ b/var/spack/repos/builtin/packages/seqan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/seqprep/package.py b/var/spack/repos/builtin/packages/seqprep/package.py
index fc4196514f97a9cd10d15a758ef8e87b499667fd..793c8e5985b3f10c555d8f262331ecd42056390b 100644
--- a/var/spack/repos/builtin/packages/seqprep/package.py
+++ b/var/spack/repos/builtin/packages/seqprep/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/seqtk/package.py b/var/spack/repos/builtin/packages/seqtk/package.py
index 1c65757489a3284ff914c77261945b4a687ae0de..addaee78a30309f1f7034f0cf05275f0df26e6f0 100644
--- a/var/spack/repos/builtin/packages/seqtk/package.py
+++ b/var/spack/repos/builtin/packages/seqtk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/serf/package.py b/var/spack/repos/builtin/packages/serf/package.py
index a0a10fedf1edbe16032d86332aa7d2984176287e..6135a4ecfad76251705cef30dea153a019ac1054 100644
--- a/var/spack/repos/builtin/packages/serf/package.py
+++ b/var/spack/repos/builtin/packages/serf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sessreg/package.py b/var/spack/repos/builtin/packages/sessreg/package.py
index 6791aee0676b23d97ea6c79d8afcbe9bd559124f..a93604ef0933805caded747344ab0206c2d8f021 100644
--- a/var/spack/repos/builtin/packages/sessreg/package.py
+++ b/var/spack/repos/builtin/packages/sessreg/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/setxkbmap/package.py b/var/spack/repos/builtin/packages/setxkbmap/package.py
index bffc94c848242218d782575429ec570e0cb1ae36..1ed7903c8e1579e53c14bc162bbd187935b7d046 100644
--- a/var/spack/repos/builtin/packages/setxkbmap/package.py
+++ b/var/spack/repos/builtin/packages/setxkbmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sga/package.py b/var/spack/repos/builtin/packages/sga/package.py
index bda253d3680c0c068610274af09766dec06ad363..0349d86c13d6ac98a35501135dccc323624be51d 100644
--- a/var/spack/repos/builtin/packages/sga/package.py
+++ b/var/spack/repos/builtin/packages/sga/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shapeit/package.py b/var/spack/repos/builtin/packages/shapeit/package.py
index 0eaa9aef9b1685d35a20f3ae7d853595719d9e12..0cb36d4cf65a581a8a1252632972c8d0010f4f40 100644
--- a/var/spack/repos/builtin/packages/shapeit/package.py
+++ b/var/spack/repos/builtin/packages/shapeit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shared-mime-info/package.py b/var/spack/repos/builtin/packages/shared-mime-info/package.py
index 15cc97a0e6d0b5038ba47c1475f112d3ebb7ebed..e63f7b048b89639b603ffd69a9931f7ac83ac07d 100644
--- a/var/spack/repos/builtin/packages/shared-mime-info/package.py
+++ b/var/spack/repos/builtin/packages/shared-mime-info/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/shiny-server/package.py b/var/spack/repos/builtin/packages/shiny-server/package.py
index 532fa9132efac017ea7cbb6ee2e30f8b5b1f6582..af306b0d981b09249097147606ad3da0a581c1d2 100644
--- a/var/spack/repos/builtin/packages/shiny-server/package.py
+++ b/var/spack/repos/builtin/packages/shiny-server/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shocklibs/package.py b/var/spack/repos/builtin/packages/shocklibs/package.py
index 7f399de02c3e056e55f167c92934b8e275c1edf7..7cd90918cf993e0d49e86f977eed46b2e35ef3bc 100644
--- a/var/spack/repos/builtin/packages/shocklibs/package.py
+++ b/var/spack/repos/builtin/packages/shocklibs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of99c6c1b375f7f3 Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shoremap/package.py b/var/spack/repos/builtin/packages/shoremap/package.py
index 663c2d48f4b27e92d9b3b89d53cce96089f4bd22..cd4623ecaf8288cb19104a83ed4e5c473be10f35 100644
--- a/var/spack/repos/builtin/packages/shoremap/package.py
+++ b/var/spack/repos/builtin/packages/shoremap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shortbred/package.py b/var/spack/repos/builtin/packages/shortbred/package.py
index 39ddae571b63ee1dcb5539173955863df84bfc21..6105e4e8f0db1a66f0e056808d25b2970c568223 100644
--- a/var/spack/repos/builtin/packages/shortbred/package.py
+++ b/var/spack/repos/builtin/packages/shortbred/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shortstack/package.py b/var/spack/repos/builtin/packages/shortstack/package.py
index 77fcc7df13e9c32d99130c9012ccd564b025731e..5f55022ec6451f449135d87e96a07079e96fb020 100644
--- a/var/spack/repos/builtin/packages/shortstack/package.py
+++ b/var/spack/repos/builtin/packages/shortstack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/showfont/package.py b/var/spack/repos/builtin/packages/showfont/package.py
index a5b18888e8a640b4b1b13eb2afcef1480ab15a72..71c8b138d319883a2b0f5520e83a7f9be1186bf2 100644
--- a/var/spack/repos/builtin/packages/showfont/package.py
+++ b/var/spack/repos/builtin/packages/showfont/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/shuffile/package.py b/var/spack/repos/builtin/packages/shuffile/package.py
index 817f5c70b5f13345957bbcd8032505e4cebbd3da..2bc1c28ca53dcece4d5efc69500223493423a726 100644
--- a/var/spack/repos/builtin/packages/shuffile/package.py
+++ b/var/spack/repos/builtin/packages/shuffile/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sickle/package.py b/var/spack/repos/builtin/packages/sickle/package.py
index 0a0b02f3439ae20050df222e2274a8f21be0225f..9b0a14ba3f1513cea909116449289f412bb7835f 100644
--- a/var/spack/repos/builtin/packages/sickle/package.py
+++ b/var/spack/repos/builtin/packages/sickle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/siesta/package.py b/var/spack/repos/builtin/packages/siesta/package.py
index 46cf92a106577e4682504421dcdba5623fba5683..ec35aa9160392233718ad41259a70baeda3ef2e0 100644
--- a/var/spack/repos/builtin/packages/siesta/package.py
+++ b/var/spack/repos/builtin/packages/siesta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/signalp/package.py b/var/spack/repos/builtin/packages/signalp/package.py
index a59ac2311ef7fab07a3e6aea4fee781e0cc82332..cbb51268847fe088d38f63472cbc60daf9b378de 100644
--- a/var/spack/repos/builtin/packages/signalp/package.py
+++ b/var/spack/repos/builtin/packages/signalp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/signify/package.py b/var/spack/repos/builtin/packages/signify/package.py
index e429b2bf60fcd27d9bbfad1dbe7448b7839fb0d0..7c98977c888552b3ae59f01fc2548ac8f01995b4 100755
--- a/var/spack/repos/builtin/packages/signify/package.py
+++ b/var/spack/repos/builtin/packages/signify/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/silo/package.py b/var/spack/repos/builtin/packages/silo/package.py
index 86c19e77f9d45329cef3ddd5daebf218754e0ae3..fed4ea223e09d1c58d2d276221d91ab66acfaff7 100644
--- a/var/spack/repos/builtin/packages/silo/package.py
+++ b/var/spack/repos/builtin/packages/silo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/simplemoc/package.py b/var/spack/repos/builtin/packages/simplemoc/package.py
index b6e35abd95c0be52dc76dcf4e927cb72f55f499e..49f91dc605fedc0b027e77f72ada44f06f013353 100644
--- a/var/spack/repos/builtin/packages/simplemoc/package.py
+++ b/var/spack/repos/builtin/packages/simplemoc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/simul/package.py b/var/spack/repos/builtin/packages/simul/package.py
index 5b78ec2fc45a6ba6cc917f4a6f99ae05274800e8..e01f2d81dacdb066f172cdfba06589ed0f30fc48 100644
--- a/var/spack/repos/builtin/packages/simul/package.py
+++ b/var/spack/repos/builtin/packages/simul/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/simulationio/package.py b/var/spack/repos/builtin/packages/simulationio/package.py
index 568e8e4eede6dc332a97a8910707430217bc2c19..42d945dac0ea8ce2685ad9d5f1c8bf4f30e7bb2b 100644
--- a/var/spack/repos/builtin/packages/simulationio/package.py
+++ b/var/spack/repos/builtin/packages/simulationio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/singularity/package.py b/var/spack/repos/builtin/packages/singularity/package.py
index d26a905fa749a10aeb9f43356658144368a8dd11..838cfe6f3e2be86dcd2c7a0d411ffb0bba8b1bdb 100644
--- a/var/spack/repos/builtin/packages/singularity/package.py
+++ b/var/spack/repos/builtin/packages/singularity/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/skilion-onedrive/package.py b/var/spack/repos/builtin/packages/skilion-onedrive/package.py
index 978c3bef7245426ff462a791277cfcf36bf9d214..a78d2c8ce5778eaf9dfdb8cce11d73808e3392e0 100644
--- a/var/spack/repos/builtin/packages/skilion-onedrive/package.py
+++ b/var/spack/repos/builtin/packages/skilion-onedrive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sleef/package.py b/var/spack/repos/builtin/packages/sleef/package.py
index 769e43c29b6e8e0c908c8ac161555639fe0a1aac..2375766582a2f1bbca32a6d3ca3e8f959c46135d 100644
--- a/var/spack/repos/builtin/packages/sleef/package.py
+++ b/var/spack/repos/builtin/packages/sleef/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/slepc/package.py b/var/spack/repos/builtin/packages/slepc/package.py
index 587850bbdb99fe4aa0aa57aecfb5252d3ccc4d91..e9a1113d727ffcb657e60927697a7e0023334131 100644
--- a/var/spack/repos/builtin/packages/slepc/package.py
+++ b/var/spack/repos/builtin/packages/slepc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 from spack import *
diff --git a/var/spack/repos/builtin/packages/slurm/package.py b/var/spack/repos/builtin/packages/slurm/package.py
index 8dccb67def0a9e9fbaafc1cb603849a521977b07..afa3fc27db480e65c0976592258f80a5fdd37683 100644
--- a/var/spack/repos/builtin/packages/slurm/package.py
+++ b/var/spack/repos/builtin/packages/slurm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/smalt/package.py b/var/spack/repos/builtin/packages/smalt/package.py
index 5bd90c2c0c44b18dc00d5303cf42518acfe2cd2c..23466e0fd1be6c1d8beca050156db4f9c483fb1c 100644
--- a/var/spack/repos/builtin/packages/smalt/package.py
+++ b/var/spack/repos/builtin/packages/smalt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/smproxy/package.py b/var/spack/repos/builtin/packages/smproxy/package.py
index dd5a4a860dc94c3b3fc6d6ae0a409565312876c4..bc4f943244c82a13e295cd628050957e43a5e86b 100644
--- a/var/spack/repos/builtin/packages/smproxy/package.py
+++ b/var/spack/repos/builtin/packages/smproxy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snakemake/package.py b/var/spack/repos/builtin/packages/snakemake/package.py
index f8687c0907d160af3897da0f97561cdb1319f829..3c55b55ec64b169378f1590592134f1cd63424a0 100644
--- a/var/spack/repos/builtin/packages/snakemake/package.py
+++ b/var/spack/repos/builtin/packages/snakemake/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snap-berkeley/package.py b/var/spack/repos/builtin/packages/snap-berkeley/package.py
index d431bbdf8ca70b3f7e47d9799b26d6a5e30cef36..4f7865ceca29cf0164a9ecd90411563ac7995285 100644
--- a/var/spack/repos/builtin/packages/snap-berkeley/package.py
+++ b/var/spack/repos/builtin/packages/snap-berkeley/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snap-korf/package.py b/var/spack/repos/builtin/packages/snap-korf/package.py
index 37d61cd77013ddd3363b5f3e6f5db3e93d12c5ac..840d2ccefb699b8ed2a6996563aa48bb3027443b 100644
--- a/var/spack/repos/builtin/packages/snap-korf/package.py
+++ b/var/spack/repos/builtin/packages/snap-korf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/snap/package.py b/var/spack/repos/builtin/packages/snap/package.py
index 7ed808a8e4d57336b7f7b284a6406be9a5ff0013..8695a9efbf27079d8be5241435a7556122fdc962 100644
--- a/var/spack/repos/builtin/packages/snap/package.py
+++ b/var/spack/repos/builtin/packages/snap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snappy/package.py b/var/spack/repos/builtin/packages/snappy/package.py
index 5a689a05d0c5bb165821b9fb7cd93c374884d4d3..23845a407977ed8baddea8ddc27239744c9b53fb 100644
--- a/var/spack/repos/builtin/packages/snappy/package.py
+++ b/var/spack/repos/builtin/packages/snappy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snbone/package.py b/var/spack/repos/builtin/packages/snbone/package.py
index 93421d429b06359986e47b3f73e7726684eadc9e..8e112ebdba326d4ae03005dcb5caf28e6188a9a7 100644
--- a/var/spack/repos/builtin/packages/snbone/package.py
+++ b/var/spack/repos/builtin/packages/snbone/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sniffles/package.py b/var/spack/repos/builtin/packages/sniffles/package.py
index 93cc71f0759fdcfc7d25f1c89da226577840a35a..0d498be64615be6fa56f7016d2b4bc2053723032 100644
--- a/var/spack/repos/builtin/packages/sniffles/package.py
+++ b/var/spack/repos/builtin/packages/sniffles/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snpeff/package.py b/var/spack/repos/builtin/packages/snpeff/package.py
index 2d8c7900cec180e1c8ec258996f2208d457f99be..046ad49e522818209117a89bbd5d80f68b3781ad 100644
--- a/var/spack/repos/builtin/packages/snpeff/package.py
+++ b/var/spack/repos/builtin/packages/snpeff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/snphylo/package.py b/var/spack/repos/builtin/packages/snphylo/package.py
index 5066b41e2895fd1cf83057bc5787269d8a7686b0..d249af2e651bb276d276a085a4ea28af107dd036 100644
--- a/var/spack/repos/builtin/packages/snphylo/package.py
+++ b/var/spack/repos/builtin/packages/snphylo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/snptest/package.py b/var/spack/repos/builtin/packages/snptest/package.py
index 313e6fb3980c4dcb8505535b8b2cf033c68e7362..a348c9fefd7b4c4972390bb711cc1b47d69f887b 100644
--- a/var/spack/repos/builtin/packages/snptest/package.py
+++ b/var/spack/repos/builtin/packages/snptest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/soap2/package.py b/var/spack/repos/builtin/packages/soap2/package.py
index 3b330b59886d0cca7da42d269b529a38baef2266..20b71eb57ed0af3f21af29cff5402a8a1aff509a 100644
--- a/var/spack/repos/builtin/packages/soap2/package.py
+++ b/var/spack/repos/builtin/packages/soap2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/soapdenovo-trans/package.py b/var/spack/repos/builtin/packages/soapdenovo-trans/package.py
index 7b2ffd4185ead076be4f7e8ab7b9b846df2d9e9b..f837ce94eacbb1cbe064f07d412e11c72f00203f 100644
--- a/var/spack/repos/builtin/packages/soapdenovo-trans/package.py
+++ b/var/spack/repos/builtin/packages/soapdenovo-trans/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/soapdenovo2/package.py b/var/spack/repos/builtin/packages/soapdenovo2/package.py
index d88a22846e3ddd5841bedd343284a9c4d7b333e7..d64116e359224b481cad7455edcf565debed2e66 100644
--- a/var/spack/repos/builtin/packages/soapdenovo2/package.py
+++ b/var/spack/repos/builtin/packages/soapdenovo2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/soapindel/package.py b/var/spack/repos/builtin/packages/soapindel/package.py
index c676e02e24ffbf51a61f12aae2ada42567445736..56dafc5c12f55fdecfb33f3ff17ef06f0b6b40ae 100644
--- a/var/spack/repos/builtin/packages/soapindel/package.py
+++ b/var/spack/repos/builtin/packages/soapindel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/soapsnp/package.py b/var/spack/repos/builtin/packages/soapsnp/package.py
index 57f928c3aaa4ead884ae4bc0907b0549a574170d..6908ba491a3c100bb48a19b7b839ee8e15e27643 100644
--- a/var/spack/repos/builtin/packages/soapsnp/package.py
+++ b/var/spack/repos/builtin/packages/soapsnp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sofa-c/package.py b/var/spack/repos/builtin/packages/sofa-c/package.py
index 65f23e1defbd0ca62bc86ca31a9d0b54403659a4..ec5d52c29b50bf63c38fdcbc57adaa74a63e35e7 100644
--- a/var/spack/repos/builtin/packages/sofa-c/package.py
+++ b/var/spack/repos/builtin/packages/sofa-c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/somatic-sniper/package.py b/var/spack/repos/builtin/packages/somatic-sniper/package.py
index d33e8c887879e809dd5b120436d5561646c41e84..23c542bc52852ad316e057c284762b9e4681dc3d 100644
--- a/var/spack/repos/builtin/packages/somatic-sniper/package.py
+++ b/var/spack/repos/builtin/packages/somatic-sniper/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sortmerna/package.py b/var/spack/repos/builtin/packages/sortmerna/package.py
index cb91cbe516be37ab15d2fc88300b829d57f41a6c..a24d92eba8765385312835f11f4a89e95ce5efd0 100644
--- a/var/spack/repos/builtin/packages/sortmerna/package.py
+++ b/var/spack/repos/builtin/packages/sortmerna/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sosflow/package.py b/var/spack/repos/builtin/packages/sosflow/package.py
index 45dc004569d330acc9b798aa3225e0970a645c73..11007944931421093361af39426a606bd5c808d6 100644
--- a/var/spack/repos/builtin/packages/sosflow/package.py
+++ b/var/spack/repos/builtin/packages/sosflow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sowing/package.py b/var/spack/repos/builtin/packages/sowing/package.py
index 3c310a30eeffed3bb91343581166cc7d1b950625..59ae89b8414213775c6cdcad433044df2d3cebe6 100644
--- a/var/spack/repos/builtin/packages/sowing/package.py
+++ b/var/spack/repos/builtin/packages/sowing/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sox/package.py b/var/spack/repos/builtin/packages/sox/package.py
index e9f65294d1bcabcdce1bc8d68655e505c5e6f1ce..d36222e23c83b833e18b8c9940606e7cbdaa901a 100644
--- a/var/spack/repos/builtin/packages/sox/package.py
+++ b/var/spack/repos/builtin/packages/sox/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/spades/package.py b/var/spack/repos/builtin/packages/spades/package.py
index a286f6d174d4b023c1e4da074e9b66e9d7b44c82..0e7cf05a7f203dec2f9dccf8ab060feedc542403 100644
--- a/var/spack/repos/builtin/packages/spades/package.py
+++ b/var/spack/repos/builtin/packages/spades/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/span-lite/package.py b/var/spack/repos/builtin/packages/span-lite/package.py
index 116ed64cf1b122eb29c0cafbac8daccfb10acbb9..2ec1ede756a54dcdc8f68ebc15112ded7e9eb9d6 100644
--- a/var/spack/repos/builtin/packages/span-lite/package.py
+++ b/var/spack/repos/builtin/packages/span-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from shutil import copytree
 
diff --git a/var/spack/repos/builtin/packages/spark/package.py b/var/spack/repos/builtin/packages/spark/package.py
index 9dce9b81f08e4958e6ef859469a5566c27288477..2c685ead635f8ca610b75c0671b82d7065e0a09b 100644
--- a/var/spack/repos/builtin/packages/spark/package.py
+++ b/var/spack/repos/builtin/packages/spark/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import re
 
 from spack import *
diff --git a/var/spack/repos/builtin/packages/sparsehash/package.py b/var/spack/repos/builtin/packages/sparsehash/package.py
index 9e8831abb35118d0d32392a31e5407462b24d2a8..6093db83b7c6088fa4469634bd2b79a569a674fa 100644
--- a/var/spack/repos/builtin/packages/sparsehash/package.py
+++ b/var/spack/repos/builtin/packages/sparsehash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sparta/package.py b/var/spack/repos/builtin/packages/sparta/package.py
index 83261f3bf23a39abebf8038e20a2cb2d22779bbd..1b3bbfe55b7221127a0ce9928ece3130ded23d9b 100644
--- a/var/spack/repos/builtin/packages/sparta/package.py
+++ b/var/spack/repos/builtin/packages/sparta/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/spdlog/package.py b/var/spack/repos/builtin/packages/spdlog/package.py
index bcd369c9d07a19940417b981b5f197d08ed34b09..f65516d329a1c9d3b10d194da02d30b721939d72 100644
--- a/var/spack/repos/builtin/packages/spdlog/package.py
+++ b/var/spack/repos/builtin/packages/spdlog/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/spectrum-mpi/package.py b/var/spack/repos/builtin/packages/spectrum-mpi/package.py
index cbbd65a5f3eac005d18755ee9640b935d01b8e11..c700f67285037ab0c4952497e09f049720ffe561 100644
--- a/var/spack/repos/builtin/packages/spectrum-mpi/package.py
+++ b/var/spack/repos/builtin/packages/spectrum-mpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at International Business Machines Corporation
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Serban Maerean, serban@us.ibm.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/speex/package.py b/var/spack/repos/builtin/packages/speex/package.py
index 24b618ab3d26af4fa1c107a5f626faa6ff7e9b51..51816e337a01e59ca871f056e517a9bff83393f0 100644
--- a/var/spack/repos/builtin/packages/speex/package.py
+++ b/var/spack/repos/builtin/packages/speex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/spglib/package.py b/var/spack/repos/builtin/packages/spglib/package.py
index e17a42ecd63d6d958c067926fe9548ef9350b0e9..d68243c4b77c5f06b60b269c7175be27cea979ed 100644
--- a/var/spack/repos/builtin/packages/spglib/package.py
+++ b/var/spack/repos/builtin/packages/spglib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sph2pipe/package.py b/var/spack/repos/builtin/packages/sph2pipe/package.py
index 8f894f17e835451b64b67f761d3365a80606ed5d..f3e2e991e34613b4d96eb6837917c0eb09b777ff 100644
--- a/var/spack/repos/builtin/packages/sph2pipe/package.py
+++ b/var/spack/repos/builtin/packages/sph2pipe/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/spherepack/package.py b/var/spack/repos/builtin/packages/spherepack/package.py
index 520b42d60f3b341b16d0890c5f0de1934a20d8d9..eabd1731ef446222f0c791ef3b37c13750376b55 100644
--- a/var/spack/repos/builtin/packages/spherepack/package.py
+++ b/var/spack/repos/builtin/packages/spherepack/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/spindle/package.py b/var/spack/repos/builtin/packages/spindle/package.py
index 6050e3ffa7f237d00b704e02ec67e5daa9db5e14..905ef33cf2e7eeb5990d931c77cd166f24132c23 100644
--- a/var/spack/repos/builtin/packages/spindle/package.py
+++ b/var/spack/repos/builtin/packages/spindle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/spot/package.py b/var/spack/repos/builtin/packages/spot/package.py
index 1fdb08b44c5a197ae2496a61c1f2a5095fbaa117..1e74a0b2daca1f811cdf27396bf0bb6529893b0f 100644
--- a/var/spack/repos/builtin/packages/spot/package.py
+++ b/var/spack/repos/builtin/packages/spot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sqlite/package.py b/var/spack/repos/builtin/packages/sqlite/package.py
index b7010965dc8885c163a247cca777ef9aca9642aa..dc14a7b088c24dc7cce1a71408ca737582d320df 100644
--- a/var/spack/repos/builtin/packages/sqlite/package.py
+++ b/var/spack/repos/builtin/packages/sqlite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from spack import architecture
 
diff --git a/var/spack/repos/builtin/packages/sqlitebrowser/package.py b/var/spack/repos/builtin/packages/sqlitebrowser/package.py
index 71278d84b94869d5f48a80dfc769d44c07ed386f..5ec2d47707f2c31802f403e75774d5c4a02a2071 100644
--- a/var/spack/repos/builtin/packages/sqlitebrowser/package.py
+++ b/var/spack/repos/builtin/packages/sqlitebrowser/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/squid/package.py b/var/spack/repos/builtin/packages/squid/package.py
index 2f9c9c85b9bfc24e8f9ab43659a7f10464972c91..13a6bd32f495f2269243d81f32086efc061a2933 100644
--- a/var/spack/repos/builtin/packages/squid/package.py
+++ b/var/spack/repos/builtin/packages/squid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sra-toolkit/package.py b/var/spack/repos/builtin/packages/sra-toolkit/package.py
index 10a81db23f4c91dd3f124a8cb87da382a3264de6..0726883afd4bbaaeb97f4e92b9a3c4046af02bf0 100644
--- a/var/spack/repos/builtin/packages/sra-toolkit/package.py
+++ b/var/spack/repos/builtin/packages/sra-toolkit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ssht/package.py b/var/spack/repos/builtin/packages/ssht/package.py
index 55ee33c15ae87b5f0941f0a55ad7bad9f73c49d3..54d1d9684d61e6343aa9714396e15793e414692e 100644
--- a/var/spack/repos/builtin/packages/ssht/package.py
+++ b/var/spack/repos/builtin/packages/ssht/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sspace-longread/package.py b/var/spack/repos/builtin/packages/sspace-longread/package.py
index 1646efc68d3c3cc279b24c15b1899f050dc53432..bb6c05b112f333d4c0d5e93eec36bc586403b2d3 100644
--- a/var/spack/repos/builtin/packages/sspace-longread/package.py
+++ b/var/spack/repos/builtin/packages/sspace-longread/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/sspace-standard/package.py b/var/spack/repos/builtin/packages/sspace-standard/package.py
index 74e97d8a47dde53bdf629e3e8673b68190aa8a40..9275b200eaac2353090bd48dd21a2174afafb4be 100644
--- a/var/spack/repos/builtin/packages/sspace-standard/package.py
+++ b/var/spack/repos/builtin/packages/sspace-standard/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import glob
diff --git a/var/spack/repos/builtin/packages/sst-core/package.py b/var/spack/repos/builtin/packages/sst-core/package.py
index b05cade162ed1e51ed689472f2278a7fd4ba19e1..a64bc40753a047ab4232ad05b81b2fb15681cb14 100644
--- a/var/spack/repos/builtin/packages/sst-core/package.py
+++ b/var/spack/repos/builtin/packages/sst-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sst-dumpi/package.py b/var/spack/repos/builtin/packages/sst-dumpi/package.py
index b3721092357176003d81f2dfd7017535bcc75072..96bbd6e3c7d65288c6b54a50b0a8832b7ba0d057 100644
--- a/var/spack/repos/builtin/packages/sst-dumpi/package.py
+++ b/var/spack/repos/builtin/packages/sst-dumpi/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 # Author: Samuel Knight <sknigh@sandia.gov>
 # Date: Feb 3, 2017
diff --git a/var/spack/repos/builtin/packages/sst-macro/package.py b/var/spack/repos/builtin/packages/sst-macro/package.py
index 5cd80275a30d8768709886a5d65d3e0de8835219..65c0e613e0544e96b63b36b1e6b797a99daa5599 100644
--- a/var/spack/repos/builtin/packages/sst-macro/package.py
+++ b/var/spack/repos/builtin/packages/sst-macro/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/stacks/package.py b/var/spack/repos/builtin/packages/stacks/package.py
index 62a768fe431f6e5d94f482eda634bfe45f9423d9..d156ec9f3065c8507269f00d412fd7a5a28f40f4 100644
--- a/var/spack/repos/builtin/packages/stacks/package.py
+++ b/var/spack/repos/builtin/packages/stacks/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/staden-io-lib/package.py b/var/spack/repos/builtin/packages/staden-io-lib/package.py
index 1b3801ce0acf0443b12e566dbdf7aaf100d0ac6a..9ecb46fbbe9bfcf2a025e07d4c67ddab5f311139 100644
--- a/var/spack/repos/builtin/packages/staden-io-lib/package.py
+++ b/var/spack/repos/builtin/packages/staden-io-lib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/star-ccm-plus/package.py b/var/spack/repos/builtin/packages/star-ccm-plus/package.py
index 9c8c6a2ce9d7a4233689969f91b30ad4503bedc7..59d043fe65aafa6a3d3f19ff6ec14e5f53ab293d 100644
--- a/var/spack/repos/builtin/packages/star-ccm-plus/package.py
+++ b/var/spack/repos/builtin/packages/star-ccm-plus/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/star/package.py b/var/spack/repos/builtin/packages/star/package.py
index 270be180a05280295c712e513d32d61f25f50011..9f6d51c21913134ab428fc12b097466d108be429 100644
--- a/var/spack/repos/builtin/packages/star/package.py
+++ b/var/spack/repos/builtin/packages/star/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/startup-notification/package.py b/var/spack/repos/builtin/packages/startup-notification/package.py
index ae85c3ca6943c60d40a568b2faccfe055f3439c2..e10736253b2b2f3aa6d8fbc8ec1d07e247375ae8 100644
--- a/var/spack/repos/builtin/packages/startup-notification/package.py
+++ b/var/spack/repos/builtin/packages/startup-notification/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/stat/package.py b/var/spack/repos/builtin/packages/stat/package.py
index 6455acee3f2f9e31db2d96d5a610b5745c0f36b2..bf2cbe84662033ee9aa0b63b780776a20264f85e 100644
--- a/var/spack/repos/builtin/packages/stat/package.py
+++ b/var/spack/repos/builtin/packages/stat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/stc/package.py b/var/spack/repos/builtin/packages/stc/package.py
index 0f32f04d63ace6b244dfe581614ea703940c3ba2..7332d4843de6a779ff1cb6957eae61773c81fbe9 100644
--- a/var/spack/repos/builtin/packages/stc/package.py
+++ b/var/spack/repos/builtin/packages/stc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/steps/package.py b/var/spack/repos/builtin/packages/steps/package.py
index d857ccdf15e121d31390cf7ce2a2d3649bb2d127..0831852f3c9766192efc1ba6db080c41676fae03 100644
--- a/var/spack/repos/builtin/packages/steps/package.py
+++ b/var/spack/repos/builtin/packages/steps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/stow/package.py b/var/spack/repos/builtin/packages/stow/package.py
index efea5991ad137a7a6e1f8c16dccbccabe0832842..5861351441e5793b460a79a7c4196e8bc37c0c5e 100644
--- a/var/spack/repos/builtin/packages/stow/package.py
+++ b/var/spack/repos/builtin/packages/stow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/strace/package.py b/var/spack/repos/builtin/packages/strace/package.py
index 5cc1cc82b4abe82842d0322e267ac997d465f9c3..b43e2c4ef4cbe311081fc9f23b9482325f9370a3 100644
--- a/var/spack/repos/builtin/packages/strace/package.py
+++ b/var/spack/repos/builtin/packages/strace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/stream/package.py b/var/spack/repos/builtin/packages/stream/package.py
index c4020f4312383f8afd50267ef5d2edc982233e52..45aad6da05278430a604a98c134a863e6cde1234 100644
--- a/var/spack/repos/builtin/packages/stream/package.py
+++ b/var/spack/repos/builtin/packages/stream/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/strelka/package.py b/var/spack/repos/builtin/packages/strelka/package.py
index 49176d51441900531c25ba88db7b61aeb65abeb8..fdd4b6743474e22f1e13a1229b16c1b4f30c5fbd 100644
--- a/var/spack/repos/builtin/packages/strelka/package.py
+++ b/var/spack/repos/builtin/packages/strelka/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/stress/package.py b/var/spack/repos/builtin/packages/stress/package.py
index 034a6b117fc9818d802942d186b42dc320868a80..0588cc36a226a389081a8208d3be2614507ca698 100644
--- a/var/spack/repos/builtin/packages/stress/package.py
+++ b/var/spack/repos/builtin/packages/stress/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/string-view-lite/package.py b/var/spack/repos/builtin/packages/string-view-lite/package.py
index efaf1b6e1629a3593d8d5332d1066f7a8f1a5560..ab564b4880fe28d16a8c0835f622049c45ec3f50 100644
--- a/var/spack/repos/builtin/packages/string-view-lite/package.py
+++ b/var/spack/repos/builtin/packages/string-view-lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from shutil import copytree
 
diff --git a/var/spack/repos/builtin/packages/stringtie/package.py b/var/spack/repos/builtin/packages/stringtie/package.py
index d0747398a0be35cdca8ea316fdb1fcb30109852d..cb016476515f3fad66317ae851f82677041a4e1f 100644
--- a/var/spack/repos/builtin/packages/stringtie/package.py
+++ b/var/spack/repos/builtin/packages/stringtie/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/structure/package.py b/var/spack/repos/builtin/packages/structure/package.py
index e92fc626cbcfd57a7c15aa0f94fdc4da70a40a1d..f0d04676beef639096037109a08588ade528c68a 100644
--- a/var/spack/repos/builtin/packages/structure/package.py
+++ b/var/spack/repos/builtin/packages/structure/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/strumpack/package.py b/var/spack/repos/builtin/packages/strumpack/package.py
index cc3b4556a0ddb426e11ffa57c6f51ef81e05a9fe..b332b7fa907f7e2173c94dff102a1feb8584b262 100644
--- a/var/spack/repos/builtin/packages/strumpack/package.py
+++ b/var/spack/repos/builtin/packages/strumpack/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sublime-text/package.py b/var/spack/repos/builtin/packages/sublime-text/package.py
index 83dd2f380bb7580cf08be76de12d02d0ef1e0b88..403d5c42a8edb90b20ae5cdeaf23a6e75b609f4c 100644
--- a/var/spack/repos/builtin/packages/sublime-text/package.py
+++ b/var/spack/repos/builtin/packages/sublime-text/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/subread/package.py b/var/spack/repos/builtin/packages/subread/package.py
index 1bc36ddb13e44fb627d09155b05e4e1bee89cfcc..b6af49d745e5660d957c651ea10080a0753262e4 100644
--- a/var/spack/repos/builtin/packages/subread/package.py
+++ b/var/spack/repos/builtin/packages/subread/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/subversion/package.py b/var/spack/repos/builtin/packages/subversion/package.py
index 97cacd493ef8b45183b63cbc12359d276d97249c..8a041451b222984f813c71aeca00434ae4d40efa 100644
--- a/var/spack/repos/builtin/packages/subversion/package.py
+++ b/var/spack/repos/builtin/packages/subversion/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/suite-sparse/package.py b/var/spack/repos/builtin/packages/suite-sparse/package.py
index 865ac4a84f1b64b5e3dbbf693b344cb4f9780bbf..2bdaf70c188ce9177444bde4049362235c4f3218 100644
--- a/var/spack/repos/builtin/packages/suite-sparse/package.py
+++ b/var/spack/repos/builtin/packages/suite-sparse/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sumaclust/package.py b/var/spack/repos/builtin/packages/sumaclust/package.py
index cc75b8eb4b07a341adf967f7c7b6945557a782a9..66f7820d59800ed94135b76e2cdd27b27ed207f6 100644
--- a/var/spack/repos/builtin/packages/sumaclust/package.py
+++ b/var/spack/repos/builtin/packages/sumaclust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/sundials/package.py b/var/spack/repos/builtin/packages/sundials/package.py
index ba0e99d0a15f572df903737ab41a82f84c0e1394..43cfd3118acc94edb07c6e4c3d78229bb509d2ab 100644
--- a/var/spack/repos/builtin/packages/sundials/package.py
+++ b/var/spack/repos/builtin/packages/sundials/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import sys
diff --git a/var/spack/repos/builtin/packages/superlu-dist/package.py b/var/spack/repos/builtin/packages/superlu-dist/package.py
index 4846d042a5059ad7e919fde92b790e61d453e8e9..122b706b42c1aa9fb984e052e769903f2eb90ba5 100644
--- a/var/spack/repos/builtin/packages/superlu-dist/package.py
+++ b/var/spack/repos/builtin/packages/superlu-dist/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/superlu-mt/package.py b/var/spack/repos/builtin/packages/superlu-mt/package.py
index 41b1265bb6ae935b578d6687bdfa6c448037bbd8..fa663b93954d6510e9091473ff29bb3b3d949015 100644
--- a/var/spack/repos/builtin/packages/superlu-mt/package.py
+++ b/var/spack/repos/builtin/packages/superlu-mt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/superlu/package.py b/var/spack/repos/builtin/packages/superlu/package.py
index 3032e038a7a4d24773e67f7aec00bdd4b58aaa4f..bb657b780f44f5bb1ade632ef37b2a31d7a14232 100644
--- a/var/spack/repos/builtin/packages/superlu/package.py
+++ b/var/spack/repos/builtin/packages/superlu/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/supernova/package.py b/var/spack/repos/builtin/packages/supernova/package.py
index f358dd4939958151e92bd5a4e2ef16e514371a02..ed7b85405dbaa8155b286a151eab1b9d8a86ea10 100644
--- a/var/spack/repos/builtin/packages/supernova/package.py
+++ b/var/spack/repos/builtin/packages/supernova/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/sw4lite/package.py b/var/spack/repos/builtin/packages/sw4lite/package.py
index c3622e2c90a94bfb1b02c57fcc1d0416a4cdcfb5..379eedd6bf73cb72277b1a6fba5d509084e3e775 100644
--- a/var/spack/repos/builtin/packages/sw4lite/package.py
+++ b/var/spack/repos/builtin/packages/sw4lite/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/swap-assembler/package.py b/var/spack/repos/builtin/packages/swap-assembler/package.py
index a96fb949ea880d41b7ec00dba2e84c48d4ac09b8..938bb4c71dc8f7e8ee2c541fb694f7642b10d186 100644
--- a/var/spack/repos/builtin/packages/swap-assembler/package.py
+++ b/var/spack/repos/builtin/packages/swap-assembler/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/swarm/package.py b/var/spack/repos/builtin/packages/swarm/package.py
index 3eb196f33fdcc083c6351a5b7bb0c444290b8794..277a10974f172c57f62206fb615fc85283296f2b 100644
--- a/var/spack/repos/builtin/packages/swarm/package.py
+++ b/var/spack/repos/builtin/packages/swarm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/swfft/package.py b/var/spack/repos/builtin/packages/swfft/package.py
index 21ccabfb46a1e78fa8cd6112b49e80c4c16cf559..42979336394e92db5020d61708fd0a5507a1fb5f 100644
--- a/var/spack/repos/builtin/packages/swfft/package.py
+++ b/var/spack/repos/builtin/packages/swfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/swiftsim/package.py b/var/spack/repos/builtin/packages/swiftsim/package.py
index 81b0aced07fef09514290584621f85f926a12b61..494d92c1d7d43037270e5e8cdaeead8760c55ae0 100644
--- a/var/spack/repos/builtin/packages/swiftsim/package.py
+++ b/var/spack/repos/builtin/packages/swiftsim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import llnl.util.tty as tty
 
diff --git a/var/spack/repos/builtin/packages/swig/package.py b/var/spack/repos/builtin/packages/swig/package.py
index e3e427b602433dd802406276bc7096f944e9a87b..0d4c97a58f0622db07b35a47a8210df52e742089 100644
--- a/var/spack/repos/builtin/packages/swig/package.py
+++ b/var/spack/repos/builtin/packages/swig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 
diff --git a/var/spack/repos/builtin/packages/symengine/package.py b/var/spack/repos/builtin/packages/symengine/package.py
index 8518ac66bf28420535e82ff62909ddc8a78faab7..b0bbd61e375a157e506bab8a348e57cc2fce2d66 100644
--- a/var/spack/repos/builtin/packages/symengine/package.py
+++ b/var/spack/repos/builtin/packages/symengine/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/sympol/package.py b/var/spack/repos/builtin/packages/sympol/package.py
index 801878185e943a82f13697eb741e82053a26550b..ca6992032324670a0232d5dad6d7a5f6ed210a17 100644
--- a/var/spack/repos/builtin/packages/sympol/package.py
+++ b/var/spack/repos/builtin/packages/sympol/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/sz/package.py b/var/spack/repos/builtin/packages/sz/package.py
index c6f97e91ea12153490612b454d48c640de6c0669..f9d1c0f2a6323442fa83597ffc5b23b65d71eb8f 100644
--- a/var/spack/repos/builtin/packages/sz/package.py
+++ b/var/spack/repos/builtin/packages/sz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/tabix/package.py b/var/spack/repos/builtin/packages/tabix/package.py
index b192112003359f0f86f45e7afbd5e4ad918f3330..c35d15c1e868190cdb3b8ce665d80d82340357a3 100644
--- a/var/spack/repos/builtin/packages/tabix/package.py
+++ b/var/spack/repos/builtin/packages/tabix/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/talass/package.py b/var/spack/repos/builtin/packages/talass/package.py
index 2b9131ba67cbe0d7211298d10cff21913fa6546f..94e0a10b281e104f4aa0a42a4c8600f54d138f93 100644
--- a/var/spack/repos/builtin/packages/talass/package.py
+++ b/var/spack/repos/builtin/packages/talass/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/talloc/package.py b/var/spack/repos/builtin/packages/talloc/package.py
index 68465ee93b76622c6612b44a7a2e54b6dc3a6242..2fec8da46b25885c90919f01e48a97e3c143330a 100644
--- a/var/spack/repos/builtin/packages/talloc/package.py
+++ b/var/spack/repos/builtin/packages/talloc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tantan/package.py b/var/spack/repos/builtin/packages/tantan/package.py
index 162777d3bb118addc1bb20973f11c60997a838fd..df183d07d93cea858ca7953a55899a2d9dbb30e9 100644
--- a/var/spack/repos/builtin/packages/tantan/package.py
+++ b/var/spack/repos/builtin/packages/tantan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tar/package.py b/var/spack/repos/builtin/packages/tar/package.py
index 92674de7f848a523ef926e4a36c16bf67e14cfa4..3f491a5cfc17f4eadd4539e6401405cd01782d4e 100644
--- a/var/spack/repos/builtin/packages/tar/package.py
+++ b/var/spack/repos/builtin/packages/tar/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/targetp/package.py b/var/spack/repos/builtin/packages/targetp/package.py
index 7e41b821aee843383e8ed57834fe07135047dd56..8fa33e7b9dfecfb6d93869626ff5d864a8f85e4d 100644
--- a/var/spack/repos/builtin/packages/targetp/package.py
+++ b/var/spack/repos/builtin/packages/targetp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/task/package.py b/var/spack/repos/builtin/packages/task/package.py
index a92dccd203757f46564cada8404d5f73dc5d4d62..93c58bc6eb2847eeaf3b5e70b932c7f8e319d2e6 100644
--- a/var/spack/repos/builtin/packages/task/package.py
+++ b/var/spack/repos/builtin/packages/task/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/taskd/package.py b/var/spack/repos/builtin/packages/taskd/package.py
index 7405f1f01c0c037982ea8c2bb5463f1d7b3724b9..43f6a8b7df2b682ee17ebaca4832a6b5354fec4d 100644
--- a/var/spack/repos/builtin/packages/taskd/package.py
+++ b/var/spack/repos/builtin/packages/taskd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tasmanian/package.py b/var/spack/repos/builtin/packages/tasmanian/package.py
index cae7108b047d4bd45101cf7144ac63dd7020ffec..908841bce9c486d40b7ea0c9c16fed9e99d66c2c 100644
--- a/var/spack/repos/builtin/packages/tasmanian/package.py
+++ b/var/spack/repos/builtin/packages/tasmanian/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tassel/package.py b/var/spack/repos/builtin/packages/tassel/package.py
index d2c803997ed2fbd0495d9e20b2e7a8c48c94a1d0..5a568cc0f47d9a3b90113a0370951e123d9c043d 100644
--- a/var/spack/repos/builtin/packages/tassel/package.py
+++ b/var/spack/repos/builtin/packages/tassel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tau/package.py b/var/spack/repos/builtin/packages/tau/package.py
index 11ba76e751e383760eaca35d70d27528e4b1d292..9aa29297e4d9c8e03f5c6544985b3a9d8a1a8baa 100644
--- a/var/spack/repos/builtin/packages/tau/package.py
+++ b/var/spack/repos/builtin/packages/tau/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import glob
diff --git a/var/spack/repos/builtin/packages/tcl-itcl/package.py b/var/spack/repos/builtin/packages/tcl-itcl/package.py
index 56762ea01ef73d0ba4221ad26499c3193ad243e2..0b0d842fe362dc1316c6a539f50bed94da3131c4 100644
--- a/var/spack/repos/builtin/packages/tcl-itcl/package.py
+++ b/var/spack/repos/builtin/packages/tcl-itcl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tcl-tcllib/package.py b/var/spack/repos/builtin/packages/tcl-tcllib/package.py
index c6e2c9692da518d7b318b1be828c73659c409328..46ec7b6d465874e7b2db33afd6e966782cef3a5f 100644
--- a/var/spack/repos/builtin/packages/tcl-tcllib/package.py
+++ b/var/spack/repos/builtin/packages/tcl-tcllib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tcl-tclxml/package.py b/var/spack/repos/builtin/packages/tcl-tclxml/package.py
index 45ed50411ccef6549bc3edf78077aeab154ba19f..4f50a8680992b5be25af25ed375cd3bf9aeb3f26 100644
--- a/var/spack/repos/builtin/packages/tcl-tclxml/package.py
+++ b/var/spack/repos/builtin/packages/tcl-tclxml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tcl/package.py b/var/spack/repos/builtin/packages/tcl/package.py
index bdbc8c397bf087ba022efbca1bc6dc6fcfa1c8b6..7e2d57c764df011214e7098205d0023b4594ee04 100644
--- a/var/spack/repos/builtin/packages/tcl/package.py
+++ b/var/spack/repos/builtin/packages/tcl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 
 from spack.util.environment import is_system_path
diff --git a/var/spack/repos/builtin/packages/tclap/package.py b/var/spack/repos/builtin/packages/tclap/package.py
index a402b542a5df9dcc857fdeb86f61f57b44f0bbb7..ab067f4e3ee4dbbcbc4c1b9c648f2256023e7202 100644
--- a/var/spack/repos/builtin/packages/tclap/package.py
+++ b/var/spack/repos/builtin/packages/tclap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tcoffee/package.py b/var/spack/repos/builtin/packages/tcoffee/package.py
index 2aac10efdd7b0aa2796a0c49658c96f9efa1b896..2b2ed2d95ebfbf2c2dc5f94d55aa9acbf7c6380f 100644
--- a/var/spack/repos/builtin/packages/tcoffee/package.py
+++ b/var/spack/repos/builtin/packages/tcoffee/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tcptrace/package.py b/var/spack/repos/builtin/packages/tcptrace/package.py
index dea8b81680cc3e048a1ed90a45d5f13444d25e88..dcb7dcd7f4104c82860d9b4c3b0b87916701b3fc 100644
--- a/var/spack/repos/builtin/packages/tcptrace/package.py
+++ b/var/spack/repos/builtin/packages/tcptrace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 from os.path import join
 
diff --git a/var/spack/repos/builtin/packages/tcsh/package.py b/var/spack/repos/builtin/packages/tcsh/package.py
index c5b681c9bb870be348032e29f12fe5d67d15b6ba..876957b1503a357b0252f0cc4845f9c65219ea63 100644
--- a/var/spack/repos/builtin/packages/tcsh/package.py
+++ b/var/spack/repos/builtin/packages/tcsh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tealeaf/package.py b/var/spack/repos/builtin/packages/tealeaf/package.py
index 17ea4f4667539b110f326f54d3b57a2e70529875..208d11ccc768b948c34c7b77900a4f35e896f3b7 100644
--- a/var/spack/repos/builtin/packages/tealeaf/package.py
+++ b/var/spack/repos/builtin/packages/tealeaf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import glob
 
diff --git a/var/spack/repos/builtin/packages/templight-tools/package.py b/var/spack/repos/builtin/packages/templight-tools/package.py
index 810b43d8b86f51b3f18b93c350bf3e4b1884b1bc..d15db664591d218077d59690d6da01b37e5bd393 100644
--- a/var/spack/repos/builtin/packages/templight-tools/package.py
+++ b/var/spack/repos/builtin/packages/templight-tools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/templight/package.py b/var/spack/repos/builtin/packages/templight/package.py
index dd03b217e955d5f5013587bf9af8a3e2f898e43f..15264e6d22d0d41b1c8482c78c0338c348c4347d 100644
--- a/var/spack/repos/builtin/packages/templight/package.py
+++ b/var/spack/repos/builtin/packages/templight/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/tetgen/package.py b/var/spack/repos/builtin/packages/tetgen/package.py
index f75c08c886aa95c0895e885878435bd998cc0cee..3a23ec29027da29b81a1016f5b62d3db2a978368 100644
--- a/var/spack/repos/builtin/packages/tetgen/package.py
+++ b/var/spack/repos/builtin/packages/tetgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import glob
diff --git a/var/spack/repos/builtin/packages/tethex/package.py b/var/spack/repos/builtin/packages/tethex/package.py
index d3e6f4ae93c42ef1ab5ef8511a6902c0f12458a5..75994e27e65ff50188a9afdac5b702026584d7ad 100644
--- a/var/spack/repos/builtin/packages/tethex/package.py
+++ b/var/spack/repos/builtin/packages/tethex/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/texinfo/package.py b/var/spack/repos/builtin/packages/texinfo/package.py
index af811b1f28e396e45a1204cc48a533c136bfd328..b78f1e0b356506d8259f24c2b3393f3c058917c7 100644
--- a/var/spack/repos/builtin/packages/texinfo/package.py
+++ b/var/spack/repos/builtin/packages/texinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/texlive/package.py b/var/spack/repos/builtin/packages/texlive/package.py
index 1fdc41cc5f1616e4362dca15d8ab78272a8d409c..4216be091e7ef54001dacceecbce14a2c56812ef 100644
--- a/var/spack/repos/builtin/packages/texlive/package.py
+++ b/var/spack/repos/builtin/packages/texlive/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import platform
diff --git a/var/spack/repos/builtin/packages/the-platinum-searcher/package.py b/var/spack/repos/builtin/packages/the-platinum-searcher/package.py
index 858a0d5eba82d8fc2b48a60a29efdab4efac64d6..e10c899600926631960af4559337e73db6081502 100644
--- a/var/spack/repos/builtin/packages/the-platinum-searcher/package.py
+++ b/var/spack/repos/builtin/packages/the-platinum-searcher/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/the-silver-searcher/package.py b/var/spack/repos/builtin/packages/the-silver-searcher/package.py
index e43669494649016109aaf0690a52c16b84044c62..e3ed85d41f3b14ed5b98da4d6ad5e3b197a9a9cf 100644
--- a/var/spack/repos/builtin/packages/the-silver-searcher/package.py
+++ b/var/spack/repos/builtin/packages/the-silver-searcher/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/thornado-mini/package.py b/var/spack/repos/builtin/packages/thornado-mini/package.py
index 68a385c2b94adad3bd9abb752d3395ea5f2e3398..dc96f2a4b2a77330d9eda4053caa10f85ec256f1 100644
--- a/var/spack/repos/builtin/packages/thornado-mini/package.py
+++ b/var/spack/repos/builtin/packages/thornado-mini/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2018, Los Alamos National Security, LLC.
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/thrift/package.py b/var/spack/repos/builtin/packages/thrift/package.py
index 8ae67b6ec26d012cb27ec3602d8bd04e710762af..35d3a897e9d8e9868ff62adabc6a98e8ff6a0629 100644
--- a/var/spack/repos/builtin/packages/thrift/package.py
+++ b/var/spack/repos/builtin/packages/thrift/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/thrust/package.py b/var/spack/repos/builtin/packages/thrust/package.py
index a1a93278cd76e7178213c7cf4c07cd5dc09310fc..4870f828bef053d388be17076f6a19e053b16179 100644
--- a/var/spack/repos/builtin/packages/thrust/package.py
+++ b/var/spack/repos/builtin/packages/thrust/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tig/package.py b/var/spack/repos/builtin/packages/tig/package.py
index 00b2f9eb16ea301b771205d522a3fda5380c4ab8..58f07a011fd621486e98b2056122e76c0cc7a4d9 100644
--- a/var/spack/repos/builtin/packages/tig/package.py
+++ b/var/spack/repos/builtin/packages/tig/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tinyxml/package.py b/var/spack/repos/builtin/packages/tinyxml/package.py
index afd3c7f6b59f60cadedaf4b8f873c7e88e8cb2a8..a7962a1253755a27961fef7f44af99d9a4320291 100644
--- a/var/spack/repos/builtin/packages/tinyxml/package.py
+++ b/var/spack/repos/builtin/packages/tinyxml/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/tinyxml2/package.py b/var/spack/repos/builtin/packages/tinyxml2/package.py
index cc5bd35996258f5558dd140f2fd8f5a726272876..06f2e7b673b6aae0f2986df7329542ee16f6ba70 100644
--- a/var/spack/repos/builtin/packages/tinyxml2/package.py
+++ b/var/spack/repos/builtin/packages/tinyxml2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tioga/package.py b/var/spack/repos/builtin/packages/tioga/package.py
index f3cfb139ad94d8bae8a784ed3cf3d3735686e5e9..8828c6b86ef3b3907d8bea707c2fc3d56d9df005 100644
--- a/var/spack/repos/builtin/packages/tioga/package.py
+++ b/var/spack/repos/builtin/packages/tioga/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tk/package.py b/var/spack/repos/builtin/packages/tk/package.py
index 5a12831453c4793d5d0c93cb5042ca6dba93a9ef..6b5c2cfbc1755bf6b1363e7b695aafe4f96bffd2 100644
--- a/var/spack/repos/builtin/packages/tk/package.py
+++ b/var/spack/repos/builtin/packages/tk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tldd/package.py b/var/spack/repos/builtin/packages/tldd/package.py
index 8473df4c5503756ba04c960edec1d9da91d0d8a4..7db26422e75d68d8855e7921fb00f0b4fb48d6b9 100644
--- a/var/spack/repos/builtin/packages/tldd/package.py
+++ b/var/spack/repos/builtin/packages/tldd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tmalign/package.py b/var/spack/repos/builtin/packages/tmalign/package.py
index c5c761912dafee7b0b70ed8fc23020df3590d107..877caa929f91a8afec396ba21f949376e73c87ad 100644
--- a/var/spack/repos/builtin/packages/tmalign/package.py
+++ b/var/spack/repos/builtin/packages/tmalign/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tmhmm/package.py b/var/spack/repos/builtin/packages/tmhmm/package.py
index e1462ab37358508f28641fc9026569439af6e9e3..32a34ec0e80448191fc613fbb891faf8555882ef 100644
--- a/var/spack/repos/builtin/packages/tmhmm/package.py
+++ b/var/spack/repos/builtin/packages/tmhmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/tmux/package.py b/var/spack/repos/builtin/packages/tmux/package.py
index 324705e81044735908774cbc7a0f5444c92a2734..d2a39eab0e5fe3c60140314a8f4457d0b138c990 100644
--- a/var/spack/repos/builtin/packages/tmux/package.py
+++ b/var/spack/repos/builtin/packages/tmux/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tmuxinator/package.py b/var/spack/repos/builtin/packages/tmuxinator/package.py
index 3f472fe78524bffa2de0464c7a91aee3e16ad5ec..358d90965e139d779120c0368e1e87d694a5aea7 100644
--- a/var/spack/repos/builtin/packages/tmuxinator/package.py
+++ b/var/spack/repos/builtin/packages/tmuxinator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tophat/package.py b/var/spack/repos/builtin/packages/tophat/package.py
index 2234e9c0a03773059d0be69f413b11f33b91a8d3..3dcf571f8785c8e476a91b98b3e0f483cdfe0069 100644
--- a/var/spack/repos/builtin/packages/tophat/package.py
+++ b/var/spack/repos/builtin/packages/tophat/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tppred/package.py b/var/spack/repos/builtin/packages/tppred/package.py
index 1b19461636d9d034fb5abe55b515c0697c803e82..75f5209c9f85a352f124e4407a68a0fd2dccf365 100644
--- a/var/spack/repos/builtin/packages/tppred/package.py
+++ b/var/spack/repos/builtin/packages/tppred/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tracer/package.py b/var/spack/repos/builtin/packages/tracer/package.py
index 9ebeebe11e07a34f43fb1793226e61556a39b573..9fc7777596e6d7f72befbfd942f407d9cf2d1b4f 100644
--- a/var/spack/repos/builtin/packages/tracer/package.py
+++ b/var/spack/repos/builtin/packages/tracer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/transabyss/package.py b/var/spack/repos/builtin/packages/transabyss/package.py
index fd8227065463dc9c41fd33e05e99f14c52396734..c14bff0de71f2ed29af1a8b7bbf5baf0bf800066 100644
--- a/var/spack/repos/builtin/packages/transabyss/package.py
+++ b/var/spack/repos/builtin/packages/transabyss/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/transdecoder/package.py b/var/spack/repos/builtin/packages/transdecoder/package.py
index 8bf3c0f04f14cccf1f9c60f3f3a62714a1647304..76fa35a0f355ceedd01e2e1a8c953683f4dcc108 100644
--- a/var/spack/repos/builtin/packages/transdecoder/package.py
+++ b/var/spack/repos/builtin/packages/transdecoder/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/transposome/package.py b/var/spack/repos/builtin/packages/transposome/package.py
index 459cfd1380bd5b6e9147abe0ecea6e8c97802b79..ad7e83d536e46f4462c7c9d058402384ba1e10e3 100644
--- a/var/spack/repos/builtin/packages/transposome/package.py
+++ b/var/spack/repos/builtin/packages/transposome/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/transset/package.py b/var/spack/repos/builtin/packages/transset/package.py
index 6e07bd4d271eed9a66c8be3e6cede0cd7016944a..9b5693ed56ff0b0f13a1cbbe070a297469f1bf21 100644
--- a/var/spack/repos/builtin/packages/transset/package.py
+++ b/var/spack/repos/builtin/packages/transset/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/trapproto/package.py b/var/spack/repos/builtin/packages/trapproto/package.py
index cb578eb11be2301651f94322c1691718cffa39d2..8718e15b28f229b4903d68291273dfc2ef604dde 100644
--- a/var/spack/repos/builtin/packages/trapproto/package.py
+++ b/var/spack/repos/builtin/packages/trapproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tree/package.py b/var/spack/repos/builtin/packages/tree/package.py
index e39ad7ba7ddd2fcf4f5a04b5d22d268da35ea7cb..978b3b5ae6cbfeb7a1f5ecc5e58a09e3d931569e 100644
--- a/var/spack/repos/builtin/packages/tree/package.py
+++ b/var/spack/repos/builtin/packages/tree/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/treesub/package.py b/var/spack/repos/builtin/packages/treesub/package.py
index 6cec60fa2254bc85ab1af0a4015efeb943fbfcb6..99feceddf8fd6595640460f96d7362fbcf686177 100644
--- a/var/spack/repos/builtin/packages/treesub/package.py
+++ b/var/spack/repos/builtin/packages/treesub/package.py
@@ -1,27 +1,7 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/trf/package.py b/var/spack/repos/builtin/packages/trf/package.py
index ef453c8b1aa75567e73bace703ba62ac62137b7d..c429ccc33dfc76092dbd2d210305d2f7fbee9e1a 100644
--- a/var/spack/repos/builtin/packages/trf/package.py
+++ b/var/spack/repos/builtin/packages/trf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/triangle/package.py b/var/spack/repos/builtin/packages/triangle/package.py
index e77539a264641280e1808e7e97c275ae22cd8fe8..ad6a775116e6aa29af84db412ea17c3901a523e9 100644
--- a/var/spack/repos/builtin/packages/triangle/package.py
+++ b/var/spack/repos/builtin/packages/triangle/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/trilinos/package.py b/var/spack/repos/builtin/packages/trilinos/package.py
index ffa836734f329eb843fb900bd03952372b12707d..2170bc4d6d4c0b80b063a51c888069705f18160c 100644
--- a/var/spack/repos/builtin/packages/trilinos/package.py
+++ b/var/spack/repos/builtin/packages/trilinos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import os
 import sys
 from spack import *
diff --git a/var/spack/repos/builtin/packages/trimgalore/package.py b/var/spack/repos/builtin/packages/trimgalore/package.py
index 6374c9c6e436d17f903063d5469fe1b9e2495207..81cee833be6d9ce089370aa69ce935060cc5cc39 100644
--- a/var/spack/repos/builtin/packages/trimgalore/package.py
+++ b/var/spack/repos/builtin/packages/trimgalore/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/trimmomatic/package.py b/var/spack/repos/builtin/packages/trimmomatic/package.py
index 41459502ae036c29881f17717f8da7555c68b426..0f04596cf8fec5c496cc9a402aed829a1e6494fb 100644
--- a/var/spack/repos/builtin/packages/trimmomatic/package.py
+++ b/var/spack/repos/builtin/packages/trimmomatic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/trinity/package.py b/var/spack/repos/builtin/packages/trinity/package.py
index 635e07290f79ae0fd6299e0c6b02a261560a23e0..8e198113d7a80a93ae7637c78eced39bf70d0f00 100644
--- a/var/spack/repos/builtin/packages/trinity/package.py
+++ b/var/spack/repos/builtin/packages/trinity/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/trnascan-se/package.py b/var/spack/repos/builtin/packages/trnascan-se/package.py
index 73a2bd5b5406179f7a194b5b56044057938abe99..fcd2a3affdec3d8d45915209799f2983c3743e14 100644
--- a/var/spack/repos/builtin/packages/trnascan-se/package.py
+++ b/var/spack/repos/builtin/packages/trnascan-se/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/turbine/package.py b/var/spack/repos/builtin/packages/turbine/package.py
index b5abaf337c68f38073e89afe355b90464e98f4c0..7c4a2d7172bcdce2b06486e4813d229077226e0f 100644
--- a/var/spack/repos/builtin/packages/turbine/package.py
+++ b/var/spack/repos/builtin/packages/turbine/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/turbomole/package.py b/var/spack/repos/builtin/packages/turbomole/package.py
index 1bcae3684a4f4d7c100dd0f25d0cd9ecdb83b7c6..dfa424055fd0497068e725621379e303b1478f88 100644
--- a/var/spack/repos/builtin/packages/turbomole/package.py
+++ b/var/spack/repos/builtin/packages/turbomole/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 import subprocess
diff --git a/var/spack/repos/builtin/packages/tut/package.py b/var/spack/repos/builtin/packages/tut/package.py
index 02773c8ffafb5ada7867a748c7c8d2ccd6be55d1..f39d83807eddbb3a8f402fb95632eaf1455467d0 100644
--- a/var/spack/repos/builtin/packages/tut/package.py
+++ b/var/spack/repos/builtin/packages/tut/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/twm/package.py b/var/spack/repos/builtin/packages/twm/package.py
index fd772c6fc202f895a25b4b9459f6fc58e5647f22..34facb6666bc6b2e3ad4319f3af29b73e3b0bd71 100644
--- a/var/spack/repos/builtin/packages/twm/package.py
+++ b/var/spack/repos/builtin/packages/twm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/tycho2/package.py b/var/spack/repos/builtin/packages/tycho2/package.py
index 0eed0746cb36853e38b0c28e8ba3909a8bb66108..5ac7bc3bb7593ed0c9e9be0b7a7d866f451cf3ff 100644
--- a/var/spack/repos/builtin/packages/tycho2/package.py
+++ b/var/spack/repos/builtin/packages/tycho2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/typhon/package.py b/var/spack/repos/builtin/packages/typhon/package.py
index 2fbedf36a844240947b3fe47d5e2028f31239e63..35cc710b3f04a3664e5328a2aa89e589f8efa411 100644
--- a/var/spack/repos/builtin/packages/typhon/package.py
+++ b/var/spack/repos/builtin/packages/typhon/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/typhonio/package.py b/var/spack/repos/builtin/packages/typhonio/package.py
index 02f87f7746743a338195f02b28c940eb337f2e9d..7b7285106f6ee15a08e84a8ac81594b77abb165a 100644
--- a/var/spack/repos/builtin/packages/typhonio/package.py
+++ b/var/spack/repos/builtin/packages/typhonio/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/uberftp/package.py b/var/spack/repos/builtin/packages/uberftp/package.py
index 6ecfefbbdc866d8d37744c04722b76dc074cdef8..85a908c1df9a59c506d88a5b803ee67bf3925e2c 100644
--- a/var/spack/repos/builtin/packages/uberftp/package.py
+++ b/var/spack/repos/builtin/packages/uberftp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ucx/package.py b/var/spack/repos/builtin/packages/ucx/package.py
index a3dc92a4afe2083294372d5b0748d5e74bd77184..7e85b6519424f235a39a418feb70bf572d58735c 100644
--- a/var/spack/repos/builtin/packages/ucx/package.py
+++ b/var/spack/repos/builtin/packages/ucx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/udunits2/package.py b/var/spack/repos/builtin/packages/udunits2/package.py
index bfd47074900889afbbaf88c9d07dcafe424a10d4..0b71b5f76ccfc551531c104b44e7d6262377302c 100644
--- a/var/spack/repos/builtin/packages/udunits2/package.py
+++ b/var/spack/repos/builtin/packages/udunits2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ufo-core/package.py b/var/spack/repos/builtin/packages/ufo-core/package.py
index 87c561b38064afd625740635af2c3af511f4f125..eeaf19c473d92dc173d1f29a9276d4aa0f30a17a 100644
--- a/var/spack/repos/builtin/packages/ufo-core/package.py
+++ b/var/spack/repos/builtin/packages/ufo-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/ufo-filters/package.py b/var/spack/repos/builtin/packages/ufo-filters/package.py
index 817ffe32b96248e53d4eca491366d53bac75fca0..4cfd0c752718dc2c17ced38eda47dd92785ce2e2 100644
--- a/var/spack/repos/builtin/packages/ufo-filters/package.py
+++ b/var/spack/repos/builtin/packages/ufo-filters/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/umpire/package.py b/var/spack/repos/builtin/packages/umpire/package.py
index df3628e2da50bdf3542bdd5046550aee6ff1b0f7..d3d31f6cd66b4cd0610669e518fc177815008631 100644
--- a/var/spack/repos/builtin/packages/umpire/package.py
+++ b/var/spack/repos/builtin/packages/umpire/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/unblur/package.py b/var/spack/repos/builtin/packages/unblur/package.py
index eed88307afc2ab4372d9abe77cfe3f5e49eaa0bc..2ca644f65853f36e870248518f3e8db0db49153d 100644
--- a/var/spack/repos/builtin/packages/unblur/package.py
+++ b/var/spack/repos/builtin/packages/unblur/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/uncrustify/package.py b/var/spack/repos/builtin/packages/uncrustify/package.py
index a30a7b0ae378137720fa5058b70ce2199af9f5d1..62229516413fd59d18ad0451bd0c910048831fed 100644
--- a/var/spack/repos/builtin/packages/uncrustify/package.py
+++ b/var/spack/repos/builtin/packages/uncrustify/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/unibilium/package.py b/var/spack/repos/builtin/packages/unibilium/package.py
index c9476ff612310c53cbbf0b0ab3f497530630fd9f..dd1d1514edae80a92711306d4f2d5745f065bb9f 100644
--- a/var/spack/repos/builtin/packages/unibilium/package.py
+++ b/var/spack/repos/builtin/packages/unibilium/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/unison/package.py b/var/spack/repos/builtin/packages/unison/package.py
index cf779e7e9d7d73f6751b01e8015cc6e9bd14e0d1..55977a23c6ca33839f32bf22227fbead331e10a8 100644
--- a/var/spack/repos/builtin/packages/unison/package.py
+++ b/var/spack/repos/builtin/packages/unison/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/units/package.py b/var/spack/repos/builtin/packages/units/package.py
index a855969fac442572e3921ba934f497085bf47f64..f9e85f98a70fb907e97a288d5074ed939b9cc099 100644
--- a/var/spack/repos/builtin/packages/units/package.py
+++ b/var/spack/repos/builtin/packages/units/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/unixodbc/package.py b/var/spack/repos/builtin/packages/unixodbc/package.py
index acab343b5cb22697faaae99e4a8d5ea4f3778478..488c91b553324ee405d90b70e0dbcffe0a523be3 100644
--- a/var/spack/repos/builtin/packages/unixodbc/package.py
+++ b/var/spack/repos/builtin/packages/unixodbc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/unuran/package.py b/var/spack/repos/builtin/packages/unuran/package.py
index f3f60644c6f319bdd465e0696efd40a21563350d..2708882c6e454dc32f081bac8afcb62dc49ac8a9 100644
--- a/var/spack/repos/builtin/packages/unuran/package.py
+++ b/var/spack/repos/builtin/packages/unuran/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/unzip/package.py b/var/spack/repos/builtin/packages/unzip/package.py
index 5ca5f5d00ff66c0cb37a5139c94c62d8cf210a4e..de9cc39c2ef0308daa98c87445fd19b91148c3c7 100644
--- a/var/spack/repos/builtin/packages/unzip/package.py
+++ b/var/spack/repos/builtin/packages/unzip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/usearch/package.py b/var/spack/repos/builtin/packages/usearch/package.py
index 74f579e5c579f32055afb6b2d3f9d12255ca219f..9ff833b907c97c21922117e77725fa67e9a1b978 100644
--- a/var/spack/repos/builtin/packages/usearch/package.py
+++ b/var/spack/repos/builtin/packages/usearch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/util-linux/package.py b/var/spack/repos/builtin/packages/util-linux/package.py
index 4ac9d653e995171c8550b7134f2df01d426125e2..58b26abd5e8c270168290073e698e754d4de130b 100644
--- a/var/spack/repos/builtin/packages/util-linux/package.py
+++ b/var/spack/repos/builtin/packages/util-linux/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/util-macros/package.py b/var/spack/repos/builtin/packages/util-macros/package.py
index 18341a3637e058204e65bc5b010d7c41ffeea51d..2ab1899ce1af506758c9265b22641109283bd836 100644
--- a/var/spack/repos/builtin/packages/util-macros/package.py
+++ b/var/spack/repos/builtin/packages/util-macros/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/uuid/package.py b/var/spack/repos/builtin/packages/uuid/package.py
index cd6f54ce71b7ab7241e2fdd7f84262f9b26e76a1..0c6757e6c17147f6fb35f176d68179097f48f1d2 100644
--- a/var/spack/repos/builtin/packages/uuid/package.py
+++ b/var/spack/repos/builtin/packages/uuid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/valgrind/package.py b/var/spack/repos/builtin/packages/valgrind/package.py
index a6009a1cff8c8bf157184e49acd2706be8cdab22..04b560165c75aca42bac869b272e0a1e0add3c8b 100644
--- a/var/spack/repos/builtin/packages/valgrind/package.py
+++ b/var/spack/repos/builtin/packages/valgrind/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/vampirtrace/package.py b/var/spack/repos/builtin/packages/vampirtrace/package.py
index e999889ffb1941e6475953d9db06b780f11e3b9a..19d37118fd6a5f616ea9150b8164cdd34175fefa 100644
--- a/var/spack/repos/builtin/packages/vampirtrace/package.py
+++ b/var/spack/repos/builtin/packages/vampirtrace/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vardictjava/package.py b/var/spack/repos/builtin/packages/vardictjava/package.py
index 0b03a94165e84f797b1f45dc05d31a68767a9a72..0168e7921c94314b6b418fbf20e591fc5f4ab060 100644
--- a/var/spack/repos/builtin/packages/vardictjava/package.py
+++ b/var/spack/repos/builtin/packages/vardictjava/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/varscan/package.py b/var/spack/repos/builtin/packages/varscan/package.py
index 0a67338c3968707a80b5f9a9086c77c13dd43915..4793c15fe38195ff030f09eb7778e84611d1b2e6 100644
--- a/var/spack/repos/builtin/packages/varscan/package.py
+++ b/var/spack/repos/builtin/packages/varscan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/vc/package.py b/var/spack/repos/builtin/packages/vc/package.py
index 5190ebaa7663c07b0ff74558385d3ac241c29d17..49b4add8e26c6d03d4c2ec8016501ebd4192cd71 100644
--- a/var/spack/repos/builtin/packages/vc/package.py
+++ b/var/spack/repos/builtin/packages/vc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vcftools/package.py b/var/spack/repos/builtin/packages/vcftools/package.py
index 1ad9836963968fc1932c3ec7dadd73859ab8db31..09ac1cb37bd26a72319a7368cbfecb1b0d377cca 100644
--- a/var/spack/repos/builtin/packages/vcftools/package.py
+++ b/var/spack/repos/builtin/packages/vcftools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vcsh/package.py b/var/spack/repos/builtin/packages/vcsh/package.py
index 2223887426f5738cfe1eb27f9bfc50c7401b2ff2..bcc21caa666d9b0a656f22b6afc832a8aaa89fac 100644
--- a/var/spack/repos/builtin/packages/vcsh/package.py
+++ b/var/spack/repos/builtin/packages/vcsh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/vdt/package.py b/var/spack/repos/builtin/packages/vdt/package.py
index d8dd0ed24cd32b9c695bf46bef0fd1309c314f98..7c2fc4eebd8f26386e2634475c56726ea980a73c 100644
--- a/var/spack/repos/builtin/packages/vdt/package.py
+++ b/var/spack/repos/builtin/packages/vdt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vecgeom/package.py b/var/spack/repos/builtin/packages/vecgeom/package.py
index c8b589e6da849263bb0b435eb0705e6df9d93142..c4ba864f8b9f81ba2a9c76df7cf956dc109f5973 100644
--- a/var/spack/repos/builtin/packages/vecgeom/package.py
+++ b/var/spack/repos/builtin/packages/vecgeom/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import platform
diff --git a/var/spack/repos/builtin/packages/veclibfort/package.py b/var/spack/repos/builtin/packages/veclibfort/package.py
index 5297d2d7d91658b2c307c0492e1919e0a51b3ce6..988e59adf35fef0dae5589dad97f0e793081fade 100644
--- a/var/spack/repos/builtin/packages/veclibfort/package.py
+++ b/var/spack/repos/builtin/packages/veclibfort/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/vegas2/package.py b/var/spack/repos/builtin/packages/vegas2/package.py
index 80264b235e761308a12fe605645cbac8b856265a..d6d4e7f6cf79d26ec0362a8962190e63b389bfdf 100644
--- a/var/spack/repos/builtin/packages/vegas2/package.py
+++ b/var/spack/repos/builtin/packages/vegas2/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/veloc/package.py b/var/spack/repos/builtin/packages/veloc/package.py
index 18ba133f043b28b00db3f24de869b0cdcf8f6f87..72b1ff746ef788a512ab8c7acc3abb83d3c13473 100644
--- a/var/spack/repos/builtin/packages/veloc/package.py
+++ b/var/spack/repos/builtin/packages/veloc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/velvet/package.py b/var/spack/repos/builtin/packages/velvet/package.py
index 26066a4e78de53b126aa54a55d2746aa51529e0d..8813cfe16c9623e6e35ea8682bbb2bb9617d1cf5 100644
--- a/var/spack/repos/builtin/packages/velvet/package.py
+++ b/var/spack/repos/builtin/packages/velvet/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/verilator/package.py b/var/spack/repos/builtin/packages/verilator/package.py
index 3b6b08da1e1260fa5cd20ec296a738e53a368560..b99307126667e11d339908bc04915d33ca2ef43a 100644
--- a/var/spack/repos/builtin/packages/verilator/package.py
+++ b/var/spack/repos/builtin/packages/verilator/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/verrou/package.py b/var/spack/repos/builtin/packages/verrou/package.py
index 6ff2cf642f7719993f09e1f17d6c450595af4aad..d0cde053390567133bdef1a387bb24c095d08b3b 100644
--- a/var/spack/repos/builtin/packages/verrou/package.py
+++ b/var/spack/repos/builtin/packages/verrou/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/videoproto/package.py b/var/spack/repos/builtin/packages/videoproto/package.py
index 859729c17fc3c8d12aaceb00a1989b87cbe594db..4f093034b51af35068053ef6e7056565370e935d 100644
--- a/var/spack/repos/builtin/packages/videoproto/package.py
+++ b/var/spack/repos/builtin/packages/videoproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/viennarna/package.py b/var/spack/repos/builtin/packages/viennarna/package.py
index b1773d9b3b183cfd6e00e92f37266aa4ec80ba6d..d96d32ec64c64cfd6b4919478b9f1d8c1b19bc39 100644
--- a/var/spack/repos/builtin/packages/viennarna/package.py
+++ b/var/spack/repos/builtin/packages/viennarna/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/viewres/package.py b/var/spack/repos/builtin/packages/viewres/package.py
index 2f2051c271c4bdb87b93236f63c74f1c1e482e1a..06108c46ca6f236c181442b0a5c1981127964d82 100644
--- a/var/spack/repos/builtin/packages/viewres/package.py
+++ b/var/spack/repos/builtin/packages/viewres/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vim/package.py b/var/spack/repos/builtin/packages/vim/package.py
index e1c6d8bc559ef3f9e75600bebcff9a5cccc81b57..84c6372ab999853582c28742b7f38db204720529 100644
--- a/var/spack/repos/builtin/packages/vim/package.py
+++ b/var/spack/repos/builtin/packages/vim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/virtualgl/package.py b/var/spack/repos/builtin/packages/virtualgl/package.py
index 6ee61a312ef73fdd212579c3105b0a5a58eb1e53..9ccef35acb1c58c3fe6eb57e10aa4b326c58727e 100644
--- a/var/spack/repos/builtin/packages/virtualgl/package.py
+++ b/var/spack/repos/builtin/packages/virtualgl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/visit/package.py b/var/spack/repos/builtin/packages/visit/package.py
index f4d8ee082fb7b21548e179807d16481301b96200..96c7b1dfe14ff6b4e77f85aa770d4ec246d59e15 100644
--- a/var/spack/repos/builtin/packages/visit/package.py
+++ b/var/spack/repos/builtin/packages/visit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vizglow/package.py b/var/spack/repos/builtin/packages/vizglow/package.py
index 835c0250d7769e1bcfdfbcaf68e91f2c14cdb0ec..4a8db820e641aa1de8a1b79c6d0be8305e2ee7e2 100644
--- a/var/spack/repos/builtin/packages/vizglow/package.py
+++ b/var/spack/repos/builtin/packages/vizglow/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os
diff --git a/var/spack/repos/builtin/packages/vmatch/package.py b/var/spack/repos/builtin/packages/vmatch/package.py
index 40fc0f57535358b9dd470951f61e9badc1c38f22..62b38a8667abf9799c911375f4eca5f294c20e2e 100644
--- a/var/spack/repos/builtin/packages/vmatch/package.py
+++ b/var/spack/repos/builtin/packages/vmatch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/voropp/package.py b/var/spack/repos/builtin/packages/voropp/package.py
index ae952990b2bfc5b3e5b50eaf30c78fdacdf8fd85..e0a63f6f8e742f2ba99752bf8cfd068695c11753 100644
--- a/var/spack/repos/builtin/packages/voropp/package.py
+++ b/var/spack/repos/builtin/packages/voropp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/votca-csg/package.py b/var/spack/repos/builtin/packages/votca-csg/package.py
index 011137cc37163de69b86b3a8069e299ad09d8e9f..ca2f1b39b32e4d3512480b882024facec22af5b9 100644
--- a/var/spack/repos/builtin/packages/votca-csg/package.py
+++ b/var/spack/repos/builtin/packages/votca-csg/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, The VOTCA Development Team (http://www.votca.org)
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/votca-ctp/package.py b/var/spack/repos/builtin/packages/votca-ctp/package.py
index a1a95a704888a186b5c8cf1ca7ada49bda9494c8..3cbd2e0c9fb12346cb8720677192683f40fa2aad 100644
--- a/var/spack/repos/builtin/packages/votca-ctp/package.py
+++ b/var/spack/repos/builtin/packages/votca-ctp/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2017-2018, The VOTCA Development Team (http://www.votca.org)
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/votca-tools/package.py b/var/spack/repos/builtin/packages/votca-tools/package.py
index 5c43d13b511c90f6f5d0932ececbac8e087772cd..1f0a67ee3ee1bfc762e5220f337474daafb5f0e9 100644
--- a/var/spack/repos/builtin/packages/votca-tools/package.py
+++ b/var/spack/repos/builtin/packages/votca-tools/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2017-2018, The VOTCA Development Team (http://www.votca.org)
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/votca-xtp/package.py b/var/spack/repos/builtin/packages/votca-xtp/package.py
index 2d0408cb87c9c732f7f332c92bfe995be76c744a..14a323de71c74e2c339d9987d5078736be7cc227 100644
--- a/var/spack/repos/builtin/packages/votca-xtp/package.py
+++ b/var/spack/repos/builtin/packages/votca-xtp/package.py
@@ -1,26 +1,8 @@
-##############################################################################
-# Copyright (c) 2017-2018, The VOTCA Development Team (http://www.votca.org)
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/vpfft/package.py b/var/spack/repos/builtin/packages/vpfft/package.py
index 5035021823df8dc5f4b2f1c57a451994ce278f07..0d58430d7dcacb12470d6ce0f35003e47e50f2c5 100644
--- a/var/spack/repos/builtin/packages/vpfft/package.py
+++ b/var/spack/repos/builtin/packages/vpfft/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vpic/package.py b/var/spack/repos/builtin/packages/vpic/package.py
index db229fe0eafe7f5eee0cb4793975b565924ab713..5be359be28fe278ef05f6e8bd1a7c8ca661de17d 100644
--- a/var/spack/repos/builtin/packages/vpic/package.py
+++ b/var/spack/repos/builtin/packages/vpic/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/vsearch/package.py b/var/spack/repos/builtin/packages/vsearch/package.py
index d41d5724f4e4aebda6dda022fb8b0ca784d4da27..892dcfb9ec5a15ce4a95f4ac89b18c9ee1fab235 100644
--- a/var/spack/repos/builtin/packages/vsearch/package.py
+++ b/var/spack/repos/builtin/packages/vsearch/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vt/package.py b/var/spack/repos/builtin/packages/vt/package.py
index 33077d900eb4887b1b00e172945925e104dd3954..b3b8305a9cbea6898816e32bcc24811b4b25375b 100644
--- a/var/spack/repos/builtin/packages/vt/package.py
+++ b/var/spack/repos/builtin/packages/vt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/vtk/package.py b/var/spack/repos/builtin/packages/vtk/package.py
index 5d9650c16a9572d3990c0189f556c656f81e8b97..110ff01457b1e7e8f9adee9765676d094109087d 100644
--- a/var/spack/repos/builtin/packages/vtk/package.py
+++ b/var/spack/repos/builtin/packages/vtk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 from spack import *
diff --git a/var/spack/repos/builtin/packages/vtkh/package.py b/var/spack/repos/builtin/packages/vtkh/package.py
index 2f16afa90120d42a9b2be15fdeaca7710a441e38..f42322332ab5112c5dd78e4142236af457434743 100644
--- a/var/spack/repos/builtin/packages/vtkh/package.py
+++ b/var/spack/repos/builtin/packages/vtkh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/vtkm/package.py b/var/spack/repos/builtin/packages/vtkm/package.py
index a9c76cd5ee8a2a4353ec01344ed6b567db2c0462..ded4a551acbb2bd174de9f48c0407ab630a8f919 100644
--- a/var/spack/repos/builtin/packages/vtkm/package.py
+++ b/var/spack/repos/builtin/packages/vtkm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/wannier90/package.py b/var/spack/repos/builtin/packages/wannier90/package.py
index f8b7b9adfc82c965789b998034b001135502435f..ec8a47620c1f0e7e3882937555c616b643d37488 100644
--- a/var/spack/repos/builtin/packages/wannier90/package.py
+++ b/var/spack/repos/builtin/packages/wannier90/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 import inspect
 import os.path
 
diff --git a/var/spack/repos/builtin/packages/wcslib/package.py b/var/spack/repos/builtin/packages/wcslib/package.py
index 95196736cfbd4f08ff6f7d6e6e02567b07b77a2f..a3b5a56a68ffd9b9962477d305c3bf754e580853 100644
--- a/var/spack/repos/builtin/packages/wcslib/package.py
+++ b/var/spack/repos/builtin/packages/wcslib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/wget/package.py b/var/spack/repos/builtin/packages/wget/package.py
index 85c750252a84963e2e94c8f2da9af90f624eec67..2ee6ea417119c44757345a5475cbe4c2e451e3e4 100644
--- a/var/spack/repos/builtin/packages/wget/package.py
+++ b/var/spack/repos/builtin/packages/wget/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/wgsim/package.py b/var/spack/repos/builtin/packages/wgsim/package.py
index cf825ec5da0fde8a70cb9c47fc16274a63c955c2..7caa098346e534bc3c63410bfd65fb8256bf7723 100644
--- a/var/spack/repos/builtin/packages/wgsim/package.py
+++ b/var/spack/repos/builtin/packages/wgsim/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/windowswmproto/package.py b/var/spack/repos/builtin/packages/windowswmproto/package.py
index 4f58f1a75c6746fd069bf5907f90d55c270f874a..d893604996251b38f67311c0f2dc5f24670d825a 100644
--- a/var/spack/repos/builtin/packages/windowswmproto/package.py
+++ b/var/spack/repos/builtin/packages/windowswmproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/wireshark/package.py b/var/spack/repos/builtin/packages/wireshark/package.py
index 27b049a31f60cf034a3505912f48d3a0a6e4965c..73640dc246afa9eacd414ff2a936887727021867 100644
--- a/var/spack/repos/builtin/packages/wireshark/package.py
+++ b/var/spack/repos/builtin/packages/wireshark/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 
diff --git a/var/spack/repos/builtin/packages/workrave/package.py b/var/spack/repos/builtin/packages/workrave/package.py
index a11fd9523e1e8b9685115b5b2954719c8084fdfa..fdbc2607c17969f9b494da97a7e8fed427f35e6e 100644
--- a/var/spack/repos/builtin/packages/workrave/package.py
+++ b/var/spack/repos/builtin/packages/workrave/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/wt/package.py b/var/spack/repos/builtin/packages/wt/package.py
index e116ca6c0a188da3520d5e361dcfe7562036cdec..991a3fdc9f31b39e52163080afc445e42d7eaf5c 100644
--- a/var/spack/repos/builtin/packages/wt/package.py
+++ b/var/spack/repos/builtin/packages/wt/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/wx/package.py b/var/spack/repos/builtin/packages/wx/package.py
index a3a119185e0a6103c0ce5904d9578da3778ff11a..284dab072c56876c12f9765aa38f4cf3e002a649 100644
--- a/var/spack/repos/builtin/packages/wx/package.py
+++ b/var/spack/repos/builtin/packages/wx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/wxpropgrid/package.py b/var/spack/repos/builtin/packages/wxpropgrid/package.py
index caabec4ca78622acb15c608e4dea30359eb269f5..090655f67af1ce79d829f1e300a277922846d1cf 100644
--- a/var/spack/repos/builtin/packages/wxpropgrid/package.py
+++ b/var/spack/repos/builtin/packages/wxpropgrid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/x11perf/package.py b/var/spack/repos/builtin/packages/x11perf/package.py
index 21bedfe8249ffa48a04b7a78a80609d4e1f62be2..a52dcfc90bfc0adc3c8d05fce3871c6688ab2c81 100644
--- a/var/spack/repos/builtin/packages/x11perf/package.py
+++ b/var/spack/repos/builtin/packages/x11perf/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xapian-core/package.py b/var/spack/repos/builtin/packages/xapian-core/package.py
index 8e9cc9de679f043e8843b980c44c52f5361c558e..c36e4e61fc2eadc77bf53bffb486ff8c6b098b56 100644
--- a/var/spack/repos/builtin/packages/xapian-core/package.py
+++ b/var/spack/repos/builtin/packages/xapian-core/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xauth/package.py b/var/spack/repos/builtin/packages/xauth/package.py
index ff1394f0e707b15dd360c2f01b1f82f8fafc3244..d247edc9685e4f627d510b73e08e86ac4dd49799 100644
--- a/var/spack/repos/builtin/packages/xauth/package.py
+++ b/var/spack/repos/builtin/packages/xauth/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xbacklight/package.py b/var/spack/repos/builtin/packages/xbacklight/package.py
index 1a2f4c2681d3490af76ce5c1f381f74258cb1d49..e2cc57cb171947258e48d2a156ebc8ea3b1bb21f 100644
--- a/var/spack/repos/builtin/packages/xbacklight/package.py
+++ b/var/spack/repos/builtin/packages/xbacklight/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xbiff/package.py b/var/spack/repos/builtin/packages/xbiff/package.py
index c1d2c1d7544215db2463df878b6ce5a49485e8df..19315e792b73c16dd25e11863c7f3434cae30e86 100644
--- a/var/spack/repos/builtin/packages/xbiff/package.py
+++ b/var/spack/repos/builtin/packages/xbiff/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xbitmaps/package.py b/var/spack/repos/builtin/packages/xbitmaps/package.py
index 2237f3105ffae91bdbe53aec3b76112b23aa587b..86823338b76e2b2d4370ae827c02e0f5f34ff266 100644
--- a/var/spack/repos/builtin/packages/xbitmaps/package.py
+++ b/var/spack/repos/builtin/packages/xbitmaps/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xbraid/package.py b/var/spack/repos/builtin/packages/xbraid/package.py
index 548750282c28411a8b4e135240b58e872105f8fc..81d85c401a55b2ab0ecde49283e594612fa74075 100644
--- a/var/spack/repos/builtin/packages/xbraid/package.py
+++ b/var/spack/repos/builtin/packages/xbraid/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import glob
 import os.path
diff --git a/var/spack/repos/builtin/packages/xcalc/package.py b/var/spack/repos/builtin/packages/xcalc/package.py
index fff485b33bfa63f3dc4cdd81eb84a35d4b9b3a59..2ee66d7b982ac9accd13336f02b45e619a8fa568 100644
--- a/var/spack/repos/builtin/packages/xcalc/package.py
+++ b/var/spack/repos/builtin/packages/xcalc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-demo/package.py b/var/spack/repos/builtin/packages/xcb-demo/package.py
index 0ae8df30d3516195416826070260504e5da54fa3..421d97dbb70dadedb55832ac7f4a8a8e7cc92533 100644
--- a/var/spack/repos/builtin/packages/xcb-demo/package.py
+++ b/var/spack/repos/builtin/packages/xcb-demo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-proto/package.py b/var/spack/repos/builtin/packages/xcb-proto/package.py
index b9f042452e20fb9df142fbd67d42e15762e760ac..ed9667f7c11973d6c9bddcebbe60dfcfa933e509 100644
--- a/var/spack/repos/builtin/packages/xcb-proto/package.py
+++ b/var/spack/repos/builtin/packages/xcb-proto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-cursor/package.py b/var/spack/repos/builtin/packages/xcb-util-cursor/package.py
index cd80ce7ee50233318f3a90a168bc77108e38c312..2e79d358ac55fb41a45f350d50ea1b1f281eee4b 100644
--- a/var/spack/repos/builtin/packages/xcb-util-cursor/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-cursor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-errors/package.py b/var/spack/repos/builtin/packages/xcb-util-errors/package.py
index 258b325524f9ec3eb7d9f38b3bc812caaa7f7489..ca2b68af007342723e12b5f569729affe082c32e 100644
--- a/var/spack/repos/builtin/packages/xcb-util-errors/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-errors/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-image/package.py b/var/spack/repos/builtin/packages/xcb-util-image/package.py
index 605526b8cb05e464eb98f5d7f0ad26335eb36f85..99eaea5d9b95ba12355b2b69f7f9f3c1c681e973 100644
--- a/var/spack/repos/builtin/packages/xcb-util-image/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-image/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-keysyms/package.py b/var/spack/repos/builtin/packages/xcb-util-keysyms/package.py
index 22e1d3c776c6859237dc011b93bd089c5c956c44..11becf0611bfa1718e6f968b63b640710b181704 100644
--- a/var/spack/repos/builtin/packages/xcb-util-keysyms/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-keysyms/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-renderutil/package.py b/var/spack/repos/builtin/packages/xcb-util-renderutil/package.py
index 5625a3a48d02410e5d1c1aec29666ed7b19281cc..66500d4e6a441e6b7a0ff55af1d3025b80bd387f 100644
--- a/var/spack/repos/builtin/packages/xcb-util-renderutil/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-renderutil/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-wm/package.py b/var/spack/repos/builtin/packages/xcb-util-wm/package.py
index 6d7d16867611134f39c1e12a6b98f72f823e9e0f..65e7a1de8ae22b0bf8248983af95e69f82b81609 100644
--- a/var/spack/repos/builtin/packages/xcb-util-wm/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-wm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util-xrm/package.py b/var/spack/repos/builtin/packages/xcb-util-xrm/package.py
index f1d53071dd6a096e47e67d8d763d97a907f6765a..ceb6aec837ffdd7bd736c9cc161ed6c8bec7e5d4 100644
--- a/var/spack/repos/builtin/packages/xcb-util-xrm/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util-xrm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcb-util/package.py b/var/spack/repos/builtin/packages/xcb-util/package.py
index 81710b7dde632ab8b643f5433c624cd4e73ab820..e8526b962f04f84200076f467caaba54cc5cc8b9 100644
--- a/var/spack/repos/builtin/packages/xcb-util/package.py
+++ b/var/spack/repos/builtin/packages/xcb-util/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xclip/package.py b/var/spack/repos/builtin/packages/xclip/package.py
index 43b1b7908120f290f7af4a29a38cd33828542e18..a18a8bf7ae49f8574798dd19a8613bbcb3b9005e 100644
--- a/var/spack/repos/builtin/packages/xclip/package.py
+++ b/var/spack/repos/builtin/packages/xclip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xclipboard/package.py b/var/spack/repos/builtin/packages/xclipboard/package.py
index f3c32714c850608f7313f0f3a0303edfcac956a3..a4917f305579f4af2bc485e2297ba93e243051f1 100644
--- a/var/spack/repos/builtin/packages/xclipboard/package.py
+++ b/var/spack/repos/builtin/packages/xclipboard/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xclock/package.py b/var/spack/repos/builtin/packages/xclock/package.py
index c8d21885f1914157b33486fb1aee3301e3ba002d..15cbcc2ba41a89a6b9be5f9acc78a4401058f16c 100644
--- a/var/spack/repos/builtin/packages/xclock/package.py
+++ b/var/spack/repos/builtin/packages/xclock/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcmiscproto/package.py b/var/spack/repos/builtin/packages/xcmiscproto/package.py
index e6588837582dfaa6bf3f96d1814501506363ee4f..f478a2fe9f99a82228a5bbac81ef9ca8ae4b59cc 100644
--- a/var/spack/repos/builtin/packages/xcmiscproto/package.py
+++ b/var/spack/repos/builtin/packages/xcmiscproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcmsdb/package.py b/var/spack/repos/builtin/packages/xcmsdb/package.py
index 9c73581eb99c004e49d842fb0a1a8255ef7b0dd1..0be4808cd84a58a61fd351d9b76279307c5d3b0c 100644
--- a/var/spack/repos/builtin/packages/xcmsdb/package.py
+++ b/var/spack/repos/builtin/packages/xcmsdb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcompmgr/package.py b/var/spack/repos/builtin/packages/xcompmgr/package.py
index 05ab4e3b532d49ae3bbf9010094f52f81645d964..3af77c565a892a424f4ccfd6fbc2f6b221173e89 100644
--- a/var/spack/repos/builtin/packages/xcompmgr/package.py
+++ b/var/spack/repos/builtin/packages/xcompmgr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xconsole/package.py b/var/spack/repos/builtin/packages/xconsole/package.py
index 7fd8bf810f461371e4145d467f5e065079e99ca5..519d7447b5eeeceabacdbfbc7cc282f25552840c 100644
--- a/var/spack/repos/builtin/packages/xconsole/package.py
+++ b/var/spack/repos/builtin/packages/xconsole/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcursor-themes/package.py b/var/spack/repos/builtin/packages/xcursor-themes/package.py
index 82d8f37c2dae66c4c6ad51dfa28da69660acedc7..4b0eaa72342ed19617508def0ae4d1ce38ddcd6c 100644
--- a/var/spack/repos/builtin/packages/xcursor-themes/package.py
+++ b/var/spack/repos/builtin/packages/xcursor-themes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xcursorgen/package.py b/var/spack/repos/builtin/packages/xcursorgen/package.py
index 45f2e0af6fa66c5edb1e3a710b19f1688915ac91..57513650071ee20cb98c5c68920ad339ede57941 100644
--- a/var/spack/repos/builtin/packages/xcursorgen/package.py
+++ b/var/spack/repos/builtin/packages/xcursorgen/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xdbedizzy/package.py b/var/spack/repos/builtin/packages/xdbedizzy/package.py
index 4fdccba81759ad0ee040f38093ad511527fc7d29..053c7e995433d4fcc5b7a8e04b17b16f560bb316 100644
--- a/var/spack/repos/builtin/packages/xdbedizzy/package.py
+++ b/var/spack/repos/builtin/packages/xdbedizzy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xditview/package.py b/var/spack/repos/builtin/packages/xditview/package.py
index f4cfd71704d60d47e30a3bd7cf5a095741740381..c8c5294df13ebe45a4f5592ee11cec26b9e46fe6 100644
--- a/var/spack/repos/builtin/packages/xditview/package.py
+++ b/var/spack/repos/builtin/packages/xditview/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xdm/package.py b/var/spack/repos/builtin/packages/xdm/package.py
index 8fade37f503e251a13b5a315a6286b8c3501f705..90cdaeb0a60403a56edb4c7efae8db40cd651574 100644
--- a/var/spack/repos/builtin/packages/xdm/package.py
+++ b/var/spack/repos/builtin/packages/xdm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xdpyinfo/package.py b/var/spack/repos/builtin/packages/xdpyinfo/package.py
index cc71968b297d3f0a6c610b4b22607c6d13eb8de8..bc4259a1baf2cc3d56432a99ece30b291c30f7b0 100644
--- a/var/spack/repos/builtin/packages/xdpyinfo/package.py
+++ b/var/spack/repos/builtin/packages/xdpyinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xdriinfo/package.py b/var/spack/repos/builtin/packages/xdriinfo/package.py
index ce844ed9cc159a43012c05445a0dcc514d4e24ce..ed58cdb505dff82edd96f437acab1b06fe47388f 100644
--- a/var/spack/repos/builtin/packages/xdriinfo/package.py
+++ b/var/spack/repos/builtin/packages/xdriinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xedit/package.py b/var/spack/repos/builtin/packages/xedit/package.py
index fe0f0211466546b889b6113f1cf2b2f724a6306f..de2a345cfb379ac1519793869cc59035d99ebcde 100644
--- a/var/spack/repos/builtin/packages/xedit/package.py
+++ b/var/spack/repos/builtin/packages/xedit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xerces-c/package.py b/var/spack/repos/builtin/packages/xerces-c/package.py
index 7b321f61bd0058c321a0558c451dbe9ddd9ce32d..a316e14d30a4c5ee930b3ac9e5fdfa4ac3be34e7 100644
--- a/var/spack/repos/builtin/packages/xerces-c/package.py
+++ b/var/spack/repos/builtin/packages/xerces-c/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import sys
 
diff --git a/var/spack/repos/builtin/packages/xev/package.py b/var/spack/repos/builtin/packages/xev/package.py
index 3e7b3d06f1fcd9651d4802e2584ece0c6d6e3daf..94b78028858d06e6980aed6724754c264865e952 100644
--- a/var/spack/repos/builtin/packages/xev/package.py
+++ b/var/spack/repos/builtin/packages/xev/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xextproto/package.py b/var/spack/repos/builtin/packages/xextproto/package.py
index 7d12b3cdf669ab55540f34c4bf2ef8b45017cb83..dbb83e13dc29198d040709f8edefeb88353b09b6 100644
--- a/var/spack/repos/builtin/packages/xextproto/package.py
+++ b/var/spack/repos/builtin/packages/xextproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xeyes/package.py b/var/spack/repos/builtin/packages/xeyes/package.py
index 10a15460b816e65a1a7e7995d62791f2d6721650..2487ecf8df0c235c6bddf91178395c3447f8baca 100644
--- a/var/spack/repos/builtin/packages/xeyes/package.py
+++ b/var/spack/repos/builtin/packages/xeyes/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86bigfontproto/package.py b/var/spack/repos/builtin/packages/xf86bigfontproto/package.py
index ca52eb31d5ac198e5d5b1b1f6f2d09ce9d7ec39d..212c8a9072034ce0387326be02073eb7199581e7 100644
--- a/var/spack/repos/builtin/packages/xf86bigfontproto/package.py
+++ b/var/spack/repos/builtin/packages/xf86bigfontproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86dga/package.py b/var/spack/repos/builtin/packages/xf86dga/package.py
index e6be26ee5b31d821139b082d633b0d8c1fadf419..ec4ff655656ab0d7ae66b7e56b482a169315b228 100644
--- a/var/spack/repos/builtin/packages/xf86dga/package.py
+++ b/var/spack/repos/builtin/packages/xf86dga/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86dgaproto/package.py b/var/spack/repos/builtin/packages/xf86dgaproto/package.py
index c7d77f497bced6df956f7c594ed032ac50774031..b42c3bdb8d00d5b06233d6cf44f4ca309eac548b 100644
--- a/var/spack/repos/builtin/packages/xf86dgaproto/package.py
+++ b/var/spack/repos/builtin/packages/xf86dgaproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86driproto/package.py b/var/spack/repos/builtin/packages/xf86driproto/package.py
index 1d321f7f54c547f136729e951c8aa5426846347f..16403e2b93b496452e8644108b98232573296569 100644
--- a/var/spack/repos/builtin/packages/xf86driproto/package.py
+++ b/var/spack/repos/builtin/packages/xf86driproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86miscproto/package.py b/var/spack/repos/builtin/packages/xf86miscproto/package.py
index d3fa371a0010b0054e8c1b14a3a541675492323e..67c46f15f370b2dd4f1f54fe45ce3d73d31ded2b 100644
--- a/var/spack/repos/builtin/packages/xf86miscproto/package.py
+++ b/var/spack/repos/builtin/packages/xf86miscproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86rushproto/package.py b/var/spack/repos/builtin/packages/xf86rushproto/package.py
index aaf0c31bcb8ff0abc1e5703cf1e83c6908549ec6..3c9b0cf66c8dc174ab4c983a2cb1754c85c4fad1 100644
--- a/var/spack/repos/builtin/packages/xf86rushproto/package.py
+++ b/var/spack/repos/builtin/packages/xf86rushproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xf86vidmodeproto/package.py b/var/spack/repos/builtin/packages/xf86vidmodeproto/package.py
index 4ee977fb278e149db09afc20c5c21a2aed88c335..993d203ecce54911f1e891ef8a13b3df5efd7de8 100644
--- a/var/spack/repos/builtin/packages/xf86vidmodeproto/package.py
+++ b/var/spack/repos/builtin/packages/xf86vidmodeproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xfd/package.py b/var/spack/repos/builtin/packages/xfd/package.py
index 57fa903e47fe4fd023ece3579873bc43f6007ca3..ddec96e7a7f6f7a1abc91ea12b2156be703193f0 100644
--- a/var/spack/repos/builtin/packages/xfd/package.py
+++ b/var/spack/repos/builtin/packages/xfd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xfindproxy/package.py b/var/spack/repos/builtin/packages/xfindproxy/package.py
index 9428af503669ab63fef478aaedd101a52f69acaa..d01aaf633b48bdc55142cb45154566089fb804a4 100644
--- a/var/spack/repos/builtin/packages/xfindproxy/package.py
+++ b/var/spack/repos/builtin/packages/xfindproxy/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xfontsel/package.py b/var/spack/repos/builtin/packages/xfontsel/package.py
index 3f3b0ef1af36f4a848853655a81cf4c1a16c48de..babdee0cf7ea83dbac85cd9fce575acd841c0dbf 100644
--- a/var/spack/repos/builtin/packages/xfontsel/package.py
+++ b/var/spack/repos/builtin/packages/xfontsel/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xfs/package.py b/var/spack/repos/builtin/packages/xfs/package.py
index 918a18e4717b3975eccc27c7db5286715a598017..f831cdf2b4e1e404e69e24e689736cf6ece2aefa 100644
--- a/var/spack/repos/builtin/packages/xfs/package.py
+++ b/var/spack/repos/builtin/packages/xfs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xfsinfo/package.py b/var/spack/repos/builtin/packages/xfsinfo/package.py
index a9e6a8fdce974fa2de0e0853385db759d7b636fd..cf318828c23d0ea394b25d27601baacd7276b9f3 100644
--- a/var/spack/repos/builtin/packages/xfsinfo/package.py
+++ b/var/spack/repos/builtin/packages/xfsinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xfwp/package.py b/var/spack/repos/builtin/packages/xfwp/package.py
index 9e2e6b351b5c156ae08605e4ae1676d5f845cf91..da418e63968dfa9b069412bdb6652460e5715c4f 100644
--- a/var/spack/repos/builtin/packages/xfwp/package.py
+++ b/var/spack/repos/builtin/packages/xfwp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xgamma/package.py b/var/spack/repos/builtin/packages/xgamma/package.py
index a9b41f9885d22725f14b42eaa85462acf21b5cc3..bb0bf652111381bb581b61f12474c67391944272 100644
--- a/var/spack/repos/builtin/packages/xgamma/package.py
+++ b/var/spack/repos/builtin/packages/xgamma/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xgc/package.py b/var/spack/repos/builtin/packages/xgc/package.py
index 9e4cbfcf7c0496ca016312b717cf5e37be58e226..8c9dbdc084d70c36b5732cb1aac7920416a0237d 100644
--- a/var/spack/repos/builtin/packages/xgc/package.py
+++ b/var/spack/repos/builtin/packages/xgc/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xhmm/package.py b/var/spack/repos/builtin/packages/xhmm/package.py
index 7e5d16b12a4f997652110c004a6348e278494520..3538641da686c66e6458cc55bd72278ba7f6114c 100644
--- a/var/spack/repos/builtin/packages/xhmm/package.py
+++ b/var/spack/repos/builtin/packages/xhmm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2017, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xhost/package.py b/var/spack/repos/builtin/packages/xhost/package.py
index 9f7bcf123473ea6f2bdab2bd777530d25e0014e9..5affa15df67b48fe3835085eeeeefcf3ae8c8a8f 100644
--- a/var/spack/repos/builtin/packages/xhost/package.py
+++ b/var/spack/repos/builtin/packages/xhost/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xineramaproto/package.py b/var/spack/repos/builtin/packages/xineramaproto/package.py
index 03b6b7949b1a77416b2d20bfc66f5d136394dcbe..7a6e341bdd2d3cce32460d13c61daaf4927746ac 100644
--- a/var/spack/repos/builtin/packages/xineramaproto/package.py
+++ b/var/spack/repos/builtin/packages/xineramaproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xinit/package.py b/var/spack/repos/builtin/packages/xinit/package.py
index 4d170cf319487590cd7e43301ae515c529884ba4..66a61f33e0344d9f53695ea7ff475726a8d88bf1 100644
--- a/var/spack/repos/builtin/packages/xinit/package.py
+++ b/var/spack/repos/builtin/packages/xinit/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xinput/package.py b/var/spack/repos/builtin/packages/xinput/package.py
index 0a3f7a9f25b6113895ce5c57ed0f6d2b1abc761c..88adddf090575c45acff6872aed2435a6c527591 100644
--- a/var/spack/repos/builtin/packages/xinput/package.py
+++ b/var/spack/repos/builtin/packages/xinput/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xios/package.py b/var/spack/repos/builtin/packages/xios/package.py
index 665aee5e9930378916c91e60c99af46d561dd76c..90ea16b10e918e091203a8d8ba97bc950be6d21f 100644
--- a/var/spack/repos/builtin/packages/xios/package.py
+++ b/var/spack/repos/builtin/packages/xios/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 #
 from spack import *
 import os
diff --git a/var/spack/repos/builtin/packages/xkbcomp/package.py b/var/spack/repos/builtin/packages/xkbcomp/package.py
index e19d004ee0dd5915f01a06498db8ce641f4fbcfe..ee858b442766877cf81d62cf6e09766805872935 100644
--- a/var/spack/repos/builtin/packages/xkbcomp/package.py
+++ b/var/spack/repos/builtin/packages/xkbcomp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xkbdata/package.py b/var/spack/repos/builtin/packages/xkbdata/package.py
index d07c6cbc123bc4b4679eb6827f9ca72501ae93f2..d937e918157888c702d0e6217757a34de20f360a 100644
--- a/var/spack/repos/builtin/packages/xkbdata/package.py
+++ b/var/spack/repos/builtin/packages/xkbdata/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xkbevd/package.py b/var/spack/repos/builtin/packages/xkbevd/package.py
index ddd3dee54cc24d09afd5670cfa0de1555781c504..a0bef99bad5657ad3a1fcab24f34f46224b9f1a7 100644
--- a/var/spack/repos/builtin/packages/xkbevd/package.py
+++ b/var/spack/repos/builtin/packages/xkbevd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xkbprint/package.py b/var/spack/repos/builtin/packages/xkbprint/package.py
index e369739878975e8010f4b3523c867981c39fca32..3af59469a21445277550ba4b63c6ac3c58e29bbf 100644
--- a/var/spack/repos/builtin/packages/xkbprint/package.py
+++ b/var/spack/repos/builtin/packages/xkbprint/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xkbutils/package.py b/var/spack/repos/builtin/packages/xkbutils/package.py
index fd0f1c02afd87c59b4472a2141f3de78f3998009..ccf31b1512b044f0f46b5616da8e0745dd87d6a2 100644
--- a/var/spack/repos/builtin/packages/xkbutils/package.py
+++ b/var/spack/repos/builtin/packages/xkbutils/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xkeyboard-config/package.py b/var/spack/repos/builtin/packages/xkeyboard-config/package.py
index 49bc63daaf6333c97052a078a030915d4ba663ba..3e572148d574632e0de6ace322c6344bc512daec 100644
--- a/var/spack/repos/builtin/packages/xkeyboard-config/package.py
+++ b/var/spack/repos/builtin/packages/xkeyboard-config/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xkill/package.py b/var/spack/repos/builtin/packages/xkill/package.py
index ef2b3bf49080d073fe56d15908139051724fae9f..562f88f578eed090c03acb1ee6be2d8bfb4f2d9b 100644
--- a/var/spack/repos/builtin/packages/xkill/package.py
+++ b/var/spack/repos/builtin/packages/xkill/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xload/package.py b/var/spack/repos/builtin/packages/xload/package.py
index ea6b6886a3dd5de17a76994ed03f918a60764629..5326b9bd579f8bb8c96415bffe215f2353ac3b83 100644
--- a/var/spack/repos/builtin/packages/xload/package.py
+++ b/var/spack/repos/builtin/packages/xload/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xlogo/package.py b/var/spack/repos/builtin/packages/xlogo/package.py
index 4134a676cf02c5016e2f0e02d132fa2415ff1091..5b5401fcf169d9f78b6e0a5a0dda47cf462ca141 100644
--- a/var/spack/repos/builtin/packages/xlogo/package.py
+++ b/var/spack/repos/builtin/packages/xlogo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xlsatoms/package.py b/var/spack/repos/builtin/packages/xlsatoms/package.py
index e16d61d27fd29e340a8f1ac9dedba4039f791183..d27bc3e574f7627c50eb05c98827d2747a77dac0 100644
--- a/var/spack/repos/builtin/packages/xlsatoms/package.py
+++ b/var/spack/repos/builtin/packages/xlsatoms/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xlsclients/package.py b/var/spack/repos/builtin/packages/xlsclients/package.py
index 96f5a9798d98a3ee39e7169b69245944d8145681..bc99dc1352c19618a4dfe44e47a0b9071614e0a5 100644
--- a/var/spack/repos/builtin/packages/xlsclients/package.py
+++ b/var/spack/repos/builtin/packages/xlsclients/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xlsfonts/package.py b/var/spack/repos/builtin/packages/xlsfonts/package.py
index d32ba86cfff58d37ac732cddc72ca922a290404c..177b43460405cf7b72274ccd2f042ca478d72a79 100644
--- a/var/spack/repos/builtin/packages/xlsfonts/package.py
+++ b/var/spack/repos/builtin/packages/xlsfonts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xmag/package.py b/var/spack/repos/builtin/packages/xmag/package.py
index 2e09582662ec7b48d535c06a2aa2abee257f9102..bdbf014494afdf31616831f22c84ad48742b0609 100644
--- a/var/spack/repos/builtin/packages/xmag/package.py
+++ b/var/spack/repos/builtin/packages/xmag/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xman/package.py b/var/spack/repos/builtin/packages/xman/package.py
index f941885aca59e861ce025e78c5b7ae30790cc36e..484f3b75ae1d2f83b2a50154430556cd3e043a5c 100644
--- a/var/spack/repos/builtin/packages/xman/package.py
+++ b/var/spack/repos/builtin/packages/xman/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xmessage/package.py b/var/spack/repos/builtin/packages/xmessage/package.py
index 3c86cf0d7708017383cb7e675c69c2449a416029..48b1ce61c80cef5f619ca2bcfeb2df321c4c063e 100644
--- a/var/spack/repos/builtin/packages/xmessage/package.py
+++ b/var/spack/repos/builtin/packages/xmessage/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xmh/package.py b/var/spack/repos/builtin/packages/xmh/package.py
index 167c888d321867828066a3a9e34929d746e76dde..096c0b7cc89988ffc18cfd33adb413fe3f1932a0 100644
--- a/var/spack/repos/builtin/packages/xmh/package.py
+++ b/var/spack/repos/builtin/packages/xmh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xmlf90/package.py b/var/spack/repos/builtin/packages/xmlf90/package.py
index 005a844e9d534b0c4e6eb14a65549188b90ca3b2..09091adcfbfb248973ce71c20475ffd2060dd8a7 100644
--- a/var/spack/repos/builtin/packages/xmlf90/package.py
+++ b/var/spack/repos/builtin/packages/xmlf90/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/xmlto/package.py b/var/spack/repos/builtin/packages/xmlto/package.py
index 3d2af2af40de4959293b28c2f3a0adc66e6d52fb..af70c2f70d71e5ed29fbb2b53fb7a59992831217 100644
--- a/var/spack/repos/builtin/packages/xmlto/package.py
+++ b/var/spack/repos/builtin/packages/xmlto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xmodmap/package.py b/var/spack/repos/builtin/packages/xmodmap/package.py
index 9d660188d214c8b03d05956ec560ac772df17c68..13a8527bb831ab3d4de777bc4ee11e26fa906737 100644
--- a/var/spack/repos/builtin/packages/xmodmap/package.py
+++ b/var/spack/repos/builtin/packages/xmodmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xmore/package.py b/var/spack/repos/builtin/packages/xmore/package.py
index 39e926c52b5693d071fb61c32cb4ef4d741dd500..597d7c0e8b934ff00264dacbe7527302f286d0bf 100644
--- a/var/spack/repos/builtin/packages/xmore/package.py
+++ b/var/spack/repos/builtin/packages/xmore/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xorg-cf-files/package.py b/var/spack/repos/builtin/packages/xorg-cf-files/package.py
index 6e93885cae5e3c34b2ec76d7fe0fa6cba9753eca..ef1befcb4b9636e329d1b09fb56769dc40326fd9 100644
--- a/var/spack/repos/builtin/packages/xorg-cf-files/package.py
+++ b/var/spack/repos/builtin/packages/xorg-cf-files/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xorg-docs/package.py b/var/spack/repos/builtin/packages/xorg-docs/package.py
index b1541effce269cea3b33b6049cb02959083af7e0..0a0b94fc90fc55cb06f22cdaec4f1acae8d17dfd 100644
--- a/var/spack/repos/builtin/packages/xorg-docs/package.py
+++ b/var/spack/repos/builtin/packages/xorg-docs/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xorg-gtest/package.py b/var/spack/repos/builtin/packages/xorg-gtest/package.py
index 8da1b945b7ac6c8913c672129ea7d2f04e99c739..49953792b6d826d4bce9fc1af1ef6c8185b56ff0 100644
--- a/var/spack/repos/builtin/packages/xorg-gtest/package.py
+++ b/var/spack/repos/builtin/packages/xorg-gtest/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xorg-server/package.py b/var/spack/repos/builtin/packages/xorg-server/package.py
index bb1e1a26a1e3d3bbed3cac63f7a277a9d6c8b24c..14d885a99756969bac6e08852b588600ddb248c5 100644
--- a/var/spack/repos/builtin/packages/xorg-server/package.py
+++ b/var/spack/repos/builtin/packages/xorg-server/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xorg-sgml-doctools/package.py b/var/spack/repos/builtin/packages/xorg-sgml-doctools/package.py
index 6c20c0fea162b0f4abf4ab9fd991154de757a767..53f2425dc5a98011bea8d6b500443d1857646854 100644
--- a/var/spack/repos/builtin/packages/xorg-sgml-doctools/package.py
+++ b/var/spack/repos/builtin/packages/xorg-sgml-doctools/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xphelloworld/package.py b/var/spack/repos/builtin/packages/xphelloworld/package.py
index 7316295c24488a07660a11539648b06da7d0f7a4..c6ac5d62eeac90fd34ace63d594b61da0d52dac7 100644
--- a/var/spack/repos/builtin/packages/xphelloworld/package.py
+++ b/var/spack/repos/builtin/packages/xphelloworld/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xplor-nih/package.py b/var/spack/repos/builtin/packages/xplor-nih/package.py
index 76277142b5dcfc587502281510477ad901350e13..bdfd68b1b2eb12e4e7c966840af0a252b8d0563f 100644
--- a/var/spack/repos/builtin/packages/xplor-nih/package.py
+++ b/var/spack/repos/builtin/packages/xplor-nih/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/xplsprinters/package.py b/var/spack/repos/builtin/packages/xplsprinters/package.py
index ef58f60752f752d8f1a5e30acf3d1f59e80484f2..5347c9a9e9dfa729d075302ae1916c1352828669 100644
--- a/var/spack/repos/builtin/packages/xplsprinters/package.py
+++ b/var/spack/repos/builtin/packages/xplsprinters/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xpr/package.py b/var/spack/repos/builtin/packages/xpr/package.py
index 6ed5cda7f3fd805c4f26d33c1c1319fd76048391..a5de7199154748750b4a772714147c153b731147 100644
--- a/var/spack/repos/builtin/packages/xpr/package.py
+++ b/var/spack/repos/builtin/packages/xpr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xprehashprinterlist/package.py b/var/spack/repos/builtin/packages/xprehashprinterlist/package.py
index d73ac5a531557bcc2b087a5373909009f62d31e5..bc934a739105332be8794e89fd0ff799616b8314 100644
--- a/var/spack/repos/builtin/packages/xprehashprinterlist/package.py
+++ b/var/spack/repos/builtin/packages/xprehashprinterlist/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xprop/package.py b/var/spack/repos/builtin/packages/xprop/package.py
index f873e108dcd1eff1df17eabcb17d4a7487815de9..6414b9784cd4e7d660bea40b247cd33e8ffbdbd0 100644
--- a/var/spack/repos/builtin/packages/xprop/package.py
+++ b/var/spack/repos/builtin/packages/xprop/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xproto/package.py b/var/spack/repos/builtin/packages/xproto/package.py
index 24fcf72d5575380b6daa48596a2c8ff5d0fe6d44..bd45c4cf8a2111dbc6902047c041d1f7391ebd7f 100644
--- a/var/spack/repos/builtin/packages/xproto/package.py
+++ b/var/spack/repos/builtin/packages/xproto/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xproxymanagementprotocol/package.py b/var/spack/repos/builtin/packages/xproxymanagementprotocol/package.py
index 15e037913dc9b11e6af47dad838d7f1581761555..4a35b339937109e3b7b770ad79f9adcdf9644070 100644
--- a/var/spack/repos/builtin/packages/xproxymanagementprotocol/package.py
+++ b/var/spack/repos/builtin/packages/xproxymanagementprotocol/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xqilla/package.py b/var/spack/repos/builtin/packages/xqilla/package.py
index 4f4fdd154e09a7742c456b89cc1fbbfabd76cf73..2949dcda7305ba19a3b8c9559a20e12b88641257 100644
--- a/var/spack/repos/builtin/packages/xqilla/package.py
+++ b/var/spack/repos/builtin/packages/xqilla/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xrandr/package.py b/var/spack/repos/builtin/packages/xrandr/package.py
index 92af005ca7ed7d6540ba98a0c08d29fd3496c7ea..2a5544df8d0fb94371f927f1c4c42ed94c232d60 100644
--- a/var/spack/repos/builtin/packages/xrandr/package.py
+++ b/var/spack/repos/builtin/packages/xrandr/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xrdb/package.py b/var/spack/repos/builtin/packages/xrdb/package.py
index cbb48bbca48d4e8c1e6700541e68b6934fcb182f..a3ae50cc95f8e1f82659cea2259bf83678c45e68 100644
--- a/var/spack/repos/builtin/packages/xrdb/package.py
+++ b/var/spack/repos/builtin/packages/xrdb/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xrefresh/package.py b/var/spack/repos/builtin/packages/xrefresh/package.py
index 1bc54c44a65a8cdf4583ef30b58fb9c18ea084b8..c4a97f718f0aa31480bbf019836554ecdef5f104 100644
--- a/var/spack/repos/builtin/packages/xrefresh/package.py
+++ b/var/spack/repos/builtin/packages/xrefresh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xrootd/package.py b/var/spack/repos/builtin/packages/xrootd/package.py
index 24c6c513ff15ead35b7e9111df0d09d593ab2e9a..8a14be990597cfe9882c142ad28bfe371328cfc9 100644
--- a/var/spack/repos/builtin/packages/xrootd/package.py
+++ b/var/spack/repos/builtin/packages/xrootd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/xrx/package.py b/var/spack/repos/builtin/packages/xrx/package.py
index 5020f181a807bb1741eeda4314f6a7afb7b723e2..3b1a3f6a4f56788ee8fcfce8981a07dcfc0a6ecb 100644
--- a/var/spack/repos/builtin/packages/xrx/package.py
+++ b/var/spack/repos/builtin/packages/xrx/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsbench/package.py b/var/spack/repos/builtin/packages/xsbench/package.py
index ebad0f683ec370529bd656385e8bdde392831f19..e8010c135e235b93431bb571b054ba3a415bfc9d 100644
--- a/var/spack/repos/builtin/packages/xsbench/package.py
+++ b/var/spack/repos/builtin/packages/xsbench/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/xscope/package.py b/var/spack/repos/builtin/packages/xscope/package.py
index c9b27363874e475950ba5cf2250d33185659e88f..bea4a1d73f52d20b9142136608a67d520fc07c2d 100644
--- a/var/spack/repos/builtin/packages/xscope/package.py
+++ b/var/spack/repos/builtin/packages/xscope/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsd/package.py b/var/spack/repos/builtin/packages/xsd/package.py
index a93d2ec19b5250a2ab95fdec7c4a192df6c3a213..3fb1a74dcdbd67fc29dcdad77b99df15169f74fb 100644
--- a/var/spack/repos/builtin/packages/xsd/package.py
+++ b/var/spack/repos/builtin/packages/xsd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/xsdk/package.py b/var/spack/repos/builtin/packages/xsdk/package.py
index 41a2c8bcd5a0a3b1148796f2844e115fe352f51b..187b3e7744c8c43c57d5e64cab01d184f98e44b2 100644
--- a/var/spack/repos/builtin/packages/xsdk/package.py
+++ b/var/spack/repos/builtin/packages/xsdk/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 import os
 from spack import *
diff --git a/var/spack/repos/builtin/packages/xsdktrilinos/package.py b/var/spack/repos/builtin/packages/xsdktrilinos/package.py
index 6aecbf3368b363a6a469c7fcfaff1a5f652bd467..66de6cef0cf30e9147432a4e572b7a3c6a2bdf21 100644
--- a/var/spack/repos/builtin/packages/xsdktrilinos/package.py
+++ b/var/spack/repos/builtin/packages/xsdktrilinos/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/xset/package.py b/var/spack/repos/builtin/packages/xset/package.py
index 5bc09386f043f69d31c2b39ef19b2ebc9ffe84f2..93260d65ece2622887202ae5eb60a909d6ac0fa9 100644
--- a/var/spack/repos/builtin/packages/xset/package.py
+++ b/var/spack/repos/builtin/packages/xset/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsetmode/package.py b/var/spack/repos/builtin/packages/xsetmode/package.py
index 79133187853184d8e3c8b73a488881e3fe8b875b..e1eb7dc33dbbb6a567c6aa41b8a8253dba4a8bea 100644
--- a/var/spack/repos/builtin/packages/xsetmode/package.py
+++ b/var/spack/repos/builtin/packages/xsetmode/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsetpointer/package.py b/var/spack/repos/builtin/packages/xsetpointer/package.py
index 4e182369bc1d4b674cc89fcc14c59a9ce4f69da4..66d91bbc0460a20b4b5111f8d95a145fcbf06ee2 100644
--- a/var/spack/repos/builtin/packages/xsetpointer/package.py
+++ b/var/spack/repos/builtin/packages/xsetpointer/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsetroot/package.py b/var/spack/repos/builtin/packages/xsetroot/package.py
index 2267f5da7326484cc858f2d7b70db6ff4467bb9e..43b61bd41c537903a3d56fb82a4bf1bcb0f1f661 100644
--- a/var/spack/repos/builtin/packages/xsetroot/package.py
+++ b/var/spack/repos/builtin/packages/xsetroot/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsimd/package.py b/var/spack/repos/builtin/packages/xsimd/package.py
index 46913d671f0f647fa5c264520fccf832ebec4c33..a7d1f8474ad1c88cb248702b0589ecc4d0ddb4b5 100644
--- a/var/spack/repos/builtin/packages/xsimd/package.py
+++ b/var/spack/repos/builtin/packages/xsimd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xsm/package.py b/var/spack/repos/builtin/packages/xsm/package.py
index 626245812818e692c58d89615dbf3fc8d222e21d..eb1a3417dc5045265a275b7e9a2b9c486f322cfc 100644
--- a/var/spack/repos/builtin/packages/xsm/package.py
+++ b/var/spack/repos/builtin/packages/xsm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xstdcmap/package.py b/var/spack/repos/builtin/packages/xstdcmap/package.py
index 3ed79db269d1858069a9c18d87a944fbf4d6e7ac..3f9ae0960b37df6e7ce8c3a985b3757c9fb17048 100644
--- a/var/spack/repos/builtin/packages/xstdcmap/package.py
+++ b/var/spack/repos/builtin/packages/xstdcmap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xtensor-python/package.py b/var/spack/repos/builtin/packages/xtensor-python/package.py
index a18933432474d01fd367cf8afe8066b32b58d500..5bf808ff5eb109b8cae4e3124d1d64bb12f26386 100644
--- a/var/spack/repos/builtin/packages/xtensor-python/package.py
+++ b/var/spack/repos/builtin/packages/xtensor-python/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xtensor/package.py b/var/spack/repos/builtin/packages/xtensor/package.py
index b27094085ab4a804bc6aef3b126e787c3b890598..9ba3dcda16ce663f95ff400ae3261cb01f33c2ed 100644
--- a/var/spack/repos/builtin/packages/xtensor/package.py
+++ b/var/spack/repos/builtin/packages/xtensor/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xterm/package.py b/var/spack/repos/builtin/packages/xterm/package.py
index cfc2bd99dce592b62878591de5b99fc5bbcf9073..8ecd6eb64f6c31736d5345120b4ca95d9577cdcb 100644
--- a/var/spack/repos/builtin/packages/xterm/package.py
+++ b/var/spack/repos/builtin/packages/xterm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xtl/package.py b/var/spack/repos/builtin/packages/xtl/package.py
index 33b7a500a273df2ec7da91648a2b488714e9897b..b73ec8fa10236b843d92fab1cbccf4895f480fed 100644
--- a/var/spack/repos/builtin/packages/xtl/package.py
+++ b/var/spack/repos/builtin/packages/xtl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xtrans/package.py b/var/spack/repos/builtin/packages/xtrans/package.py
index bf8c68cecc0437b87bdf5d0e4bd2c3bf4ac26fe5..508483c358b4d8f6ba4656704cea906aaeab7374 100644
--- a/var/spack/repos/builtin/packages/xtrans/package.py
+++ b/var/spack/repos/builtin/packages/xtrans/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xtrap/package.py b/var/spack/repos/builtin/packages/xtrap/package.py
index 85df34a4ab6da4174cf88c1ac2ad7809ae00c81d..e78aab7b6670994687bc480ec26cacddff634a29 100644
--- a/var/spack/repos/builtin/packages/xtrap/package.py
+++ b/var/spack/repos/builtin/packages/xtrap/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xts/package.py b/var/spack/repos/builtin/packages/xts/package.py
index b583dfc8e72b0e32ea7648a4c230f5c38ef9c139..f8e6038d50c5118d6de15a13b6fecd09d475c054 100644
--- a/var/spack/repos/builtin/packages/xts/package.py
+++ b/var/spack/repos/builtin/packages/xts/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xvidtune/package.py b/var/spack/repos/builtin/packages/xvidtune/package.py
index cab18697985ee97190ea92286193dfde0c2dfad9..37cbc8a1d5737b236ad925f23a6a37c652163c22 100644
--- a/var/spack/repos/builtin/packages/xvidtune/package.py
+++ b/var/spack/repos/builtin/packages/xvidtune/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xvinfo/package.py b/var/spack/repos/builtin/packages/xvinfo/package.py
index be6337b30d9c820bc1f2a6f88d58675f428e5fbf..7dd8670ce5c42854a10dcb480e12b4a7fa319be0 100644
--- a/var/spack/repos/builtin/packages/xvinfo/package.py
+++ b/var/spack/repos/builtin/packages/xvinfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xwd/package.py b/var/spack/repos/builtin/packages/xwd/package.py
index d4071ad26e29e9e058a4be07f0b66c4af5fad12b..ba5b693fbfdb65e69eeef77d7cb4fe0e9315305b 100644
--- a/var/spack/repos/builtin/packages/xwd/package.py
+++ b/var/spack/repos/builtin/packages/xwd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xwininfo/package.py b/var/spack/repos/builtin/packages/xwininfo/package.py
index e291b68f2ae9ec46b66b02a9ba031e681222d4ee..86473d401c50fffee2108aff66849eeed3e7d688 100644
--- a/var/spack/repos/builtin/packages/xwininfo/package.py
+++ b/var/spack/repos/builtin/packages/xwininfo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xwud/package.py b/var/spack/repos/builtin/packages/xwud/package.py
index 9afa00a1ccbef14c325d36f3ebd521a48974afad..dd13f44ced1455ee6ea5d30400784a86d5c0b605 100644
--- a/var/spack/repos/builtin/packages/xwud/package.py
+++ b/var/spack/repos/builtin/packages/xwud/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xxhash/package.py b/var/spack/repos/builtin/packages/xxhash/package.py
index 1185203c47c0eeeab94822b457afcd47cacc177f..990e6ed3e38189c60eed96c75ea7289d7f3fcef4 100644
--- a/var/spack/repos/builtin/packages/xxhash/package.py
+++ b/var/spack/repos/builtin/packages/xxhash/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/xz/package.py b/var/spack/repos/builtin/packages/xz/package.py
index a3ff4be7e7d87d80f172b74b0d92ba02f275f3ac..9f2f9f9d83ddd7c69354696261068fc0cd6bf46b 100644
--- a/var/spack/repos/builtin/packages/xz/package.py
+++ b/var/spack/repos/builtin/packages/xz/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/yajl/package.py b/var/spack/repos/builtin/packages/yajl/package.py
index c42ead6a2d917ad7c3be480911da5d0033aa64b6..e26616bb0529754777bcfb60c108f55a10766849 100644
--- a/var/spack/repos/builtin/packages/yajl/package.py
+++ b/var/spack/repos/builtin/packages/yajl/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2017, Los Alamos National Security, LLC
-# Produced at the Los Alamos National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/yambo/package.py b/var/spack/repos/builtin/packages/yambo/package.py
index 5fc66fe2d4760dc625f8f3c7a21a186614291372..ddb59642335eebd671b32d88104b53c468b11218 100644
--- a/var/spack/repos/builtin/packages/yambo/package.py
+++ b/var/spack/repos/builtin/packages/yambo/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/llnl/spack
-# Please also see the LICENSE file for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/yaml-cpp/package.py b/var/spack/repos/builtin/packages/yaml-cpp/package.py
index a11277ad8113b89b1d78dffa97506420b3a1679e..95df4da774d2cdb93f64effc4c8673c926325bb1 100644
--- a/var/spack/repos/builtin/packages/yaml-cpp/package.py
+++ b/var/spack/repos/builtin/packages/yaml-cpp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/yasm/package.py b/var/spack/repos/builtin/packages/yasm/package.py
index 0581bf6b45d89144ac455dfad657a87499ffd39d..0f6bb70744ede1e597e47adbed67924ee597f251 100644
--- a/var/spack/repos/builtin/packages/yasm/package.py
+++ b/var/spack/repos/builtin/packages/yasm/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/yorick/package.py b/var/spack/repos/builtin/packages/yorick/package.py
index 63ba54761edce0c56005fc57d8e7e58a70dceead..45f767a7babbaa22d1a8744166791c067bc1da18 100644
--- a/var/spack/repos/builtin/packages/yorick/package.py
+++ b/var/spack/repos/builtin/packages/yorick/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 import os
 
diff --git a/var/spack/repos/builtin/packages/z3/package.py b/var/spack/repos/builtin/packages/z3/package.py
index d42c81dc9c67e870ba0afa606574b6cf4eeacb4e..131ebba39a8231fcaaeb8f27a848532a4f1b38bf 100644
--- a/var/spack/repos/builtin/packages/z3/package.py
+++ b/var/spack/repos/builtin/packages/z3/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 
diff --git a/var/spack/repos/builtin/packages/zeromq/package.py b/var/spack/repos/builtin/packages/zeromq/package.py
index 68504675e1b34eb0811575541dc9e9b575c9175e..08a5e4ec73d6c15f42d62913f0b81f0bbaade9c9 100644
--- a/var/spack/repos/builtin/packages/zeromq/package.py
+++ b/var/spack/repos/builtin/packages/zeromq/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/zfp/package.py b/var/spack/repos/builtin/packages/zfp/package.py
index 5940706ccfcbb5b0590782e1bdf3dc6dc1e3b491..447bbf4d2af67cf0adffdee1a0e3d31b546e8487 100644
--- a/var/spack/repos/builtin/packages/zfp/package.py
+++ b/var/spack/repos/builtin/packages/zfp/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/zip/package.py b/var/spack/repos/builtin/packages/zip/package.py
index 5473b0af0f4b4e808c6ded95f6953a4cd912a0f8..139e503c8769b4267cc84c9e0f97070b10a12ffb 100644
--- a/var/spack/repos/builtin/packages/zip/package.py
+++ b/var/spack/repos/builtin/packages/zip/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/zlib/package.py b/var/spack/repos/builtin/packages/zlib/package.py
index 7ff6a9ac4b9ae12644ce57ac71dd73508418951f..eb347309062980d4874ed39f419f11341b5e791a 100644
--- a/var/spack/repos/builtin/packages/zlib/package.py
+++ b/var/spack/repos/builtin/packages/zlib/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/zoltan/package.py b/var/spack/repos/builtin/packages/zoltan/package.py
index 3dc2806bf9e6d27dab248360fd0118d772c2e2b6..3fd29e17c32621a2f08016798df76e540d5d4a63 100644
--- a/var/spack/repos/builtin/packages/zoltan/package.py
+++ b/var/spack/repos/builtin/packages/zoltan/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 
 from spack import *
 import re
diff --git a/var/spack/repos/builtin/packages/zsh/package.py b/var/spack/repos/builtin/packages/zsh/package.py
index 6b0041573c98eaabc7e9c7e62c16228312cbc5db..b03eb1f74e974540ffa06c541a6d481155b8ef45 100644
--- a/var/spack/repos/builtin/packages/zsh/package.py
+++ b/var/spack/repos/builtin/packages/zsh/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *
 
 
diff --git a/var/spack/repos/builtin/packages/zstd/package.py b/var/spack/repos/builtin/packages/zstd/package.py
index dea374f931f96a5d0d0519ab9c18dcaaad1ea71c..1382aebb7254faf94c210bf8170579054274674f 100644
--- a/var/spack/repos/builtin/packages/zstd/package.py
+++ b/var/spack/repos/builtin/packages/zstd/package.py
@@ -1,27 +1,8 @@
-##############################################################################
-# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
-# Produced at the Lawrence Livermore National Laboratory.
+# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
-# This file is part of Spack.
-# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
-# LLNL-CODE-647188
-#
-# For details, see https://github.com/spack/spack
-# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License (as
-# published by the Free Software Foundation) version 2.1, February 1999.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
-# conditions of the GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-##############################################################################
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
 from spack import *