Package/fujitsu mpi (#12807)

* fujitsu-mpi: commit new package

* Add homepage.

* * Modified the MPI commands to a simple form.
* Unnecessary processing has been deleted.

* Add conflict for all compilers except the Fujitsu compiler.

* Fix typo.

* Delete versions.

* Delete conditions for specifying the Fujitsu compiler.

var/spack/repos/builtin/packages/fujitsu-mpi/package.py

@@ -0,0 +1,40 @@
+# Copyright 2013-2019 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 FujitsuMpi(Package):
+    """Fujitsu MPI implementation only for Fujitsu compiler."""
+
+    homepage = "https://www.fujitsu.com/us/"
+
+    conflicts('%arm')
+    conflicts('%cce')
+    conflicts('%clang')
+    conflicts('%gcc')
+    conflicts('%intel')
+    conflicts('%nag')
+    conflicts('%pgi')
+    conflicts('%xl')
+    conflicts('%xl_r')
+
+    provides('mpi@3.1:')
+
+    def install(self, spec, prefix):
+        raise InstallError(
+            'Fujitsu MPI is not installable; it is vendor supplied')
+
+    def setup_dependent_package(self, module, dependent_spec):
+        self.spec.mpicc = self.prefix.bin.mpifcc
+        self.spec.mpicxx = self.prefix.bin.mpiFCC
+        self.spec.mpif77 = self.prefix.bin.mpifrt
+        self.spec.mpifc = self.prefix.bin.mpifrt
+
+    def setup_dependent_environment(self, spack_env, run_env, dependent_spec):
+        spack_env.set('MPICC', self.prefix.bin.mpifcc)
+        spack_env.set('MPICXX', self.prefix.bin.mpiFCC)
+        spack_env.set('MPIF77', self.prefix.bin.mpifrt)
+        spack_env.set('MPIF90', self.prefix.bin.mpifrt)