GPI-2 new package (#17875)

* update version: intel packages daal, ipp, mkl-dnn, mkl, mpi, parallel-studio, pin, tbb and makes url parameter consistent and always use single quote.

* Fixes a typo with one of the sha256 checksum..

* Adds version entries for new versions of Intel packages.

* Adds hashes for new versions of Intel packages.

* Adds missing hash of Intel compiler.

* Adds the newest version of Intel MPI 2019.8.

* Fixes hash for intel-parallel-studio and intel-tbb.

* Fixes version number of Intel MPI.

* Adds GPI-2 package.

* Fixes flake8 noticed issues.

* Second try to fix flake8 comment

* Fixes some issues adamjstewart noticed.

* Fixes package according to flake8 complains.

* Fixes flake8 issue.

* Renames next version to master and removes master.

* Adds maintainer into gpi-2 and returns master branch for the git
repository.

Co-authored-by: Robert Mijakovic <robert.mijakovic@lrz.de>

var/spack/repos/builtin/packages/gpi-2/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 Gpi2(AutotoolsPackage):
+    """GPI-2 is an API for the development of scalable, asynchronous and fault
+    tolerant parallel applications. It implements the GASPI specification
+    (www.gaspi.de)"""
+
+    homepage = "http://www.gpi-site.com"
+    url      = "https://github.com/cc-hpc-itwm/GPI-2/archive/v1.4.0.tar.gz"
+    git      = "https://github.com/cc-hpc-itwm/GPI-2.git"
+    maintainers = ['robert-mijakovic']
+
+    version('develop', branch='next')
+    version('master', branch='master')
+    version('1.4.0', sha256='3b8ffb45346b2fe56aaa7ba15a515e62f9dff45a28e6a014248e20094bbe50a1')
+
+    variant('mpi', default=False, description='Enable MPI support')
+    variant('fortran', default=True, description='Enable Fortran modules')
+    variant(
+        'fabrics',
+        values=disjoint_sets(
+            ('auto',), ('verbs',), ('ethernet',),
+        ).with_non_feature_values('auto', 'none'),
+        description="List of fabrics that are enabled; "
+        "'auto' lets gpi-2 determine",
+    )
+
+    variant(
+        'schedulers',
+        values=disjoint_sets(
+            ('auto',), ('loadleveler',), ('pbs',), ('slurm',)
+        ).with_non_feature_values('auto', 'none'),
+        description="List of schedulers for which support is enabled; "
+        "'auto' lets gpi-2 determine",
+    )
+
+    depends_on('autoconf', type='build')  # autogen.sh - autoreconf
+    depends_on('automake', type='build')  # autogen.sh - automake
+    depends_on('libtool',  type='build')
+    depends_on('m4',       type='build')
+    depends_on('mpi', when='+mpi')
+
+    depends_on('rdma-core', when='fabrics=verbs')
+
+    depends_on('slurm', when='schedulers=slurm')
+
+    def with_or_without_verbs(self, activated):
+        opt = 'infiniband'
+        # If the option has not been activated return
+        # --without-infiniband
+        if not activated:
+            return '--without-{0}'.format(opt)
+        return '--with-{0}={1}'.format(opt, self.spec['rdma-core'].prefix)
+
+    def autoreconf(self, spec, prefix):
+        bash = which('bash')
+        bash('./autogen.sh')
+
+    def configure_args(self):
+        spec = self.spec
+        config_args = []
+        config_args.extend(self.with_or_without('mpi'))
+        config_args.extend(self.with_or_without('fortran'))
+
+        # Fabrics
+        if 'fabrics=auto' not in spec:
+            config_args.extend(self.with_or_without('fabrics'))
+        # Schedulers
+        if 'schedulers=auto' not in spec:
+            config_args.extend(self.with_or_without('schedulers'))
+
+        return config_args