New packages: madgraph, syscalc, collier, gosam-contrib (#17601)

* Add Collier and SysCalc recipes

* Remove extra syscalc version

* Build collier with -j1 for @:1.2.4

* Add recipe for gosam-contrib

* Update gosam-contrib recipe with 'provides'

* Madgraph recipe, first version

* Finalize madgraph recipe + flake8

* Make py2 version of madgraph default; fix hash for syscalc; fix patch

* Handle virtual packages (#3)

* Update package.py

* Update packages.yaml

* Remove virtual packages - pt. 1

* Remove virtual packages - pt. 2

* Changes from review - pt. 1

* Changes from code review - pt. 2

* Update var/spack/repos/builtin/packages/collier/package.py

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

* Update var/spack/repos/builtin/packages/madgraph5amc/package.py

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

* Add hash for version 2.7.2 (available in our private mirror)

* Fixes for 2.7.3 family

* Patches for 2.7.3{.py3,}{.atlas,}

* Fix hash of syscalc

* Hack to fix concretization (2.7.3 matches 2.7.3.py3)

* Add conflict statement (reported to devs)

* Apply suggestions from code review

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

* Update package.py

* Delete madgraph5amc-2.7.2.atlas.patch

* Delete madgraph5amc-2.7.2.patch

* Update package.py

* Apply suggestions from code review

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

Co-authored-by: iarspider <iarpsider@gmail.com>
Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

var/spack/repos/builtin/packages/collier/package.py

+# Copyright 2013-2020 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 *
+
+
+class Collier(CMakePackage):
+    """COLLIER: A Complex One-Loop LIbrary with Extended Regularizations """
+
+    homepage = "https://collier.hepforge.org"
+    url      = "https://collier.hepforge.org/downloads/?f=collier-1.2.5.tar.gz"
+
+    version('1.2.5', sha256='3ec58a975ff0c3b1ca870bc38973476c923ff78fd3dd5850e296037852b94a8b')
+    version('1.2.4', sha256='92ae8f61461b232fbd47a6d8e832e1a726d504f9390b7edc49a68fceedff8857')
+    version('1.2.3', sha256='e6f72df223654df59113b0067a4bebe9f8c20227bb81371d3193e1557bdf56fb')
+    version('1.2.2', sha256='140029e36635565262719124dcda2fa7d66fd468442cb268f6da16d4cbbab29a')
+    version('1.2.1', sha256='7f5bc81a00de071e2451ba3e11cad726df0ae18bd973dba4aeba165897d48c2d')
+    version('1.2.0', sha256='e5b2def953d7f9f4f2cacd4616aa65c77e2b9adf7eed2ca3531b993e529fbafd')
+    version('1.1',   sha256='80fd54e2c30029d3d7d646738ae9469ad3a6f5ea7aa1179b951030df048e36bc')
+    version('1.0',   sha256='54f40c1ed07a6829230af400abfe48791e74e56eac2709c0947cec3410a4473d')
+
+    @property
+    def parallel(self):
+        return not self.spec.satisfies('@:1.2.4')
+
+    def cmake_args(self):
+        args = ['-Dstatic=ON']
+        return args

var/spack/repos/builtin/packages/gosam-contrib/package.py

+# Copyright 2013-2020 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 *
+
+
+class GosamContrib(AutotoolsPackage):
+    """Additional libraries for GoSam MC generator"""
+
+    homepage = "https://gosam.hepforge.org"
+    url      = "https://gosam.hepforge.org/downloads/?f=gosam-contrib-2.0.tar.gz"
+
+    version('2.0', sha256='c05beceea74324eb51c1049773095e2cb0c09c8c909093ee913d8b0da659048d')
+    version('1.0', sha256='a29d4232d9190710246abc2ed97fdcd8790ce83580f56a360f3456b0377c40ec')
+
+    def configure_args(self):
+        args = ["FFLAGS=-std=legacy"]
+        return args

var/spack/repos/builtin/packages/madgraph5amc/madgraph5amc-2.7.3.patch

+--- vendor/CutTools/makefile.orig	2018-06-18 13:24:17.164637074 +0200
++++ vendor/CutTools/makefile	2018-06-18 13:24:27.756740547 +0200
+@@ -9,7 +9,7 @@
+ ifeq ($(wildcard ../make_opts), ../make_opts)
+   include ../make_opts
+ else
+-  FFLAGS = 
++  FFLAGS = -std=legacy
+   FC=gfortran
+ endif
+ 
+--- vendor/IREGI/src/makefile_ML5_lib.orig	2018-07-09 13:33:48.546490615 +0200
++++ vendor/IREGI/src/makefile_ML5_lib	2018-07-09 13:33:57.238573607 +0200
+@@ -5,7 +5,7 @@
+ FFDIR=$(qcdlooppath)/ff
+ onelooppath=$(PWD)/oneloop
+ #FFLAGS=-O -g -ggdb -fno-automatic -fbounds-check -I$(onelooppath) # -fbounds-check is very useful in checking mermory error,-g is for debuging,-ggdb is for debuging special in gdb
+-FFLAGS=-O -g -fPIC -I$(onelooppath)
++FFLAGS=-O -g -fPIC -I$(onelooppath) -std=legacy
+ obj= global.o funlib.o linear_algebra.o kinematics.o matrices.o matrix_base.o cmatrix_base.o mis_warp.o special_fun.o pave_reduce.o cpave_reduce.o si_reduce.o csi_reduce.o ti_reduce.o cti_reduce.o gti_reduce.o binary_tree.o IREGI4ML5_interface.o avh_olo_foriregi.o
+ olomod= avh_olo_foriregi.mod avh_olo_foriregi_dp_box.mod    avh_olo_foriregi_dp_olog.mod   avh_olo_foriregi_units.mod \
+         avh_olo_foriregi_dp.mod        avh_olo_foriregi_dp_boxc.mod   avh_olo_foriregi_dp_prec.mod   avh_olo_foriregi_version.mod \
+

var/spack/repos/builtin/packages/madgraph5amc/package.py

+# Copyright 2013-2020 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
+
+
+class Madgraph5amc(Package):
+    """MadGraph5_aMC@NLO is a framework that aims at providing
+       all the elements necessary for SM and BSM phenomenology,
+       such as the computations of cross sections, the generation
+       of hard events and their matching with event generators,
+       and the use of a variety of tools relevant to
+       event manipulation and analysis. """
+
+    homepage = "https://launchpad.net/mg5amcnlo"
+    url      = "https://launchpad.net/mg5amcnlo/2.0/2.7.x/+download/MG5_aMC_v2.7.3.tar.gz"
+
+    version('2.7.3.py3', sha256='400c26f9b15b07baaad9bd62091ceea785c2d3a59618fdc27cad213816bc7225')
+    version('2.7.3.py2', sha256='0b665356f4d9359e6e382e0f408dc11db594734567c6b2f0ec0e0697f2dbe099',
+            url="https://launchpad.net/mg5amcnlo/2.0/2.7.x/+download/MG5_aMC_v2.7.3.tar.gz")
+
+    variant('atlas', default=False, description='Apply changes requested by ' + 
+            "the ATLAS experimenent on LHC")
+    variant('ninja', default=False, description='Use external installation' +
+            " of Ninja")
+    variant('collier', default=False, description='Use external installation' +
+            ' of Collier')
+
+    depends_on('syscalc')
+    depends_on('gosam-contrib', when='+ninja')
+    depends_on('collier', when='+collier')
+    depends_on('lhapdf')
+    depends_on('fastjet')
+    depends_on('py-six', when='@2.7.3.py3', type=('build', 'run'))
+
+    depends_on('python@:2.7.999', when='@2.7.3.py2', type=('build', 'run'))
+    conflicts('%gcc@10:', when='@2.7.3')
+
+    depends_on('python@3:', when='@2.7.3.py3', type=('build', 'run'))
+
+    patch('madgraph5amc-2.7.3.patch', level=0, when='@2.7.3.py2~atlas')
+    patch('madgraph5amc-2.7.3.atlas.patch', level=0, when='@2.7.3.py2+atlas')
+    patch('madgraph5amc-2.7.3.patch', level=0, when='@2.7.3.py3~atlas')
+    patch('madgraph5amc-2.7.3.atlas.patch', level=0, when='@2.7.3.py3+atlas')
+
+    phases = ['edit', 'build', 'install']
+
+    def edit(self, spec, prefix):
+        def set_parameter(name, value):
+            config_files.filter('^#?[ ]*' + name + '[ ]*=.*$',
+                                name + ' = ' + value,
+                                ignore_absent=True)
+
+        config_files = FileFilter(join_path("input",
+                                            ".mg5_configuration_default.txt"),
+                                  join_path("input", "mg5_configuration.txt"))
+
+        set_parameter('syscalc_path', spec['syscalc'].prefix.bin)
+
+        if '+ninja' in spec:
+            set_parameter('ninja', spec['gosam-contrib'].prefix)
+
+        if '+collier' in spec:
+            set_parameter('collier', spec['collier'].prefix)
+
+        set_parameter('output_dependencies', 'internal')
+        set_parameter('lhapdf', join_path(spec['lhapdf'].prefix.bin,
+                      'lhapdf-config'))
+        set_parameter('fastjet', join_path(spec['fastjet'].prefix.bin,
+                                           'fastjet-config'))
+
+        set_parameter('automatic_html_opening', 'False')
+
+    def build(self, spec, prefix):
+        with working_dir(join_path('vendor', 'CutTools')):
+            make(parallel=False)
+
+        with working_dir(join_path('vendor', 'StdHEP')):
+            make(parallel=False)
+
+        if '+atlas' in spec:
+            if os.path.exists(join_path('bin', 'compile.py')):
+                compile_py = Executable(join_path('bin', 'compile.py'))
+            else:
+                compile_py = Executable(join_path('bin', '.compile.py'))
+
+            compile_py()
+
+    def install(self, spec, prefix):
+        def installdir(dirname):
+            install_tree(dirname, join_path(prefix, dirname))
+
+        def installfile(filename):
+            install(filename, join_path(prefix, filename))
+
+        for p in os.listdir(self.stage.source_path):
+            if os.path.isdir(p):
+                installdir(p)
+            else:
+                if p != 'doc.tgz':
+                    installfile(p)
+                else:
+                    mkdirp(prefix.share)
+                    install(p, join_path(prefix.share, p))
+
+        install(join_path('Template', 'LO', 'Source', '.make_opts'),
+                join_path(prefix, 'Template', 'LO',
+                          'Source', 'make_opts'))

var/spack/repos/builtin/packages/syscalc/package.py

+# Copyright 2013-2020 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 *
+
+
+class Syscalc(MakefilePackage):
+    """ A tool to derive theoretical systematic uncertainties"""
+
+    homepage = "https://cp3.irmp.ucl.ac.be/projects/madgraph/wiki/SysCalc"
+    url      = "http://madgraph.phys.ucl.ac.be/Downloads/SysCalc_V1.1.7.tar.gz"
+
+    version('1.1.7', sha256='d33219a525a54733bdfd02d8314288bdecd977fb1e97ddeaf13bf470bbbdd386')
+
+    depends_on('lhapdf@6:')
+
+    def url_for_version(self, version):
+        url = self.url.rsplit('/', 1)[0]
+        url += '/SysCalc_V{0}.tar.gz'
+
+        url = url.format(version)
+        return url
+
+    def install(self, spec, prefix):
+        mkdirp(prefix.bin)
+        install('sys_calc', prefix.bin)
+        install_tree('include', prefix.include)