Add packages c-blosc and hdf5-blosc

c-blosc provides the Blosc compression filter, and hdf5-blosc provides a plugin for HDF5 to use that filter.

var/spack/repos/builtin/packages/c-blosc/package.py

+##############################################################################
+# Copyright (c) 2013-2016, 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/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
+##############################################################################
+
+from spack import *
+
+class CBlosc(Package):
+    """Blosc, an extremely fast, multi-threaded, meta-compressor library"""
+    homepage = "http://www.blosc.org"
+    url      = "https://github.com/Blosc/c-blosc/archive/v1.9.2.tar.gz"
+
+    version('1.9.2', 'dd2d83069d74b36b8093f1c6b49defc5')
+    version('1.9.1', '7d708d3daadfacf984a87b71b1734ce2')
+    version('1.9.0', 'e4c1dc8e2c468e5cfa2bf05eeee5357a')
+    version('1.8.1', 'd73d5be01359cf271e9386c90dcf5b05')
+    version('1.8.0', '5b92ecb287695ba20cc33d30bf221c4f')
+
+    depends_on("cmake")
+    depends_on("snappy")
+    depends_on("zlib")
+
+    def install(self, spec, prefix):
+        cmake('.', *std_cmake_args)
+
+        make()
+        make("install")

var/spack/repos/builtin/packages/hdf5-blosc/package.py

+##############################################################################
+# Copyright (c) 2013-2016, 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/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
+##############################################################################
+
+import os
+import shutil
+import sys
+
+from spack import *
+
+class Hdf5Blosc(Package):
+    """Blosc filter for HDF5"""
+    homepage = "https://github.com/Blosc/hdf5-blosc"
+    url      = "https://github.com/Blosc/hdf5-blosc/archive/master.zip"
+
+    version('master', '02c04acbf4bec66ec8a35bf157d1c9de')
+
+    depends_on("c-blosc")
+    depends_on("hdf5")
+    depends_on("libtool")
+
+    parallel = False
+
+    def install(self, spec, prefix):
+        cmake('.', *std_cmake_args)
+
+        make()
+        make("install")
+        if sys.platform == 'darwin':
+            fix_darwin_install_name(prefix.lib)
+
+        # Build and install plugin manually
+        # The plugin requires at least HDF5 1.8.11:
+        if spec['hdf5'].satisfies('@1.8.11:'):
+            # The plugin does not yet work with Windows:
+            if sys.platform not in ('win32', 'cygwin'):
+                # cc = which('cc')
+                libtool = Executable(join_path(spec['libtool'].prefix.bin,
+                                               'libtool'))
+                with working_dir('src'):
+                    libtool('--mode=compile', '--tag=CC',
+                            'cc', '-g', '-O', '-c', 'blosc_plugin.c')
+                    libtool('--mode=link', '--tag=CC',
+                            'cc', '-g', '-O',
+                            '-rpath', prefix.lib,
+                            '-o', 'libblosc_plugin.la', 'blosc_plugin.lo')
+                    shlibext = 'so' if sys.platform!='darwin' else 'dylib'
+                    shlib0 = 'libblosc_plugin.0.%s' % shlibext
+                    shutil.copyfile(join_path('.libs', shlib0),
+                                    join_path(prefix.lib, shlib0))
+                    shlib = 'libblosc_plugin.%s' % shlibext
+                    os.symlink(shlib0, join_path(prefix.lib, shlib))
+
+    def setup_dependent_environment(self, spack_env, run_env, dependent_spec):
+        spack_env.append_path('HDF5_PLUGIN_PATH', self.spec.prefix.lib)
+        run_env.append_path('HDF5_PLUGIN_PATH', self.spec.prefix.lib)