Add NekCEM package to spack (#6509)

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

@@ -0,0 +1,90 @@
+##############################################################################
+# Copyright (c) 2013-2017, 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
+##############################################################################
+from spack import *
+import os
+
+
+class Nekcem(Package):
+    """Spectral-element solver for Maxwell's equations, drift-diffusion
+       equations, and more."""
+
+    # Links to homepage and git
+    homepage = "https://nekcem.mcs.anl.gov"
+    url      = "https://github.com/NekCEM/NekCEM/archive/development.zip"
+
+    # Variants
+    variant('mpi', default=True, description='Build with MPI')
+
+    # We only have a development version
+    version('develop', git='https://github.com/NekCEM/NekCEM.git')
+
+    # dependencies
+    depends_on('mpi', when='+mpi')
+    depends_on('python@2.7:')
+    depends_on('blas')
+    depends_on('lapack')
+
+    @run_before('install')
+    def fortran_check(self):
+        if not self.compiler.fc:
+            msg = 'NekCEM can not be built without a Fortran compiler.'
+            raise RuntimeError(msg)
+
+    def install(self, spec, prefix):
+        binDir = 'bin'
+        nek = 'nek'
+        cNek = 'configurenek'
+        mNek = 'makenek'
+
+        FC = self.compiler.fc
+        CC = self.compiler.cc
+
+        if '+mpi' in spec:
+            FC = spec['mpi'].mpif77
+            CC = spec['mpi'].mpicc
+
+        with working_dir(binDir):
+            filter_file(r'^FC\s*=.*', 'FC=\"' + FC + '\"', 'makenek')
+            filter_file(r'^CC\s*=.*', 'CC=\"' + CC + '\"', 'makenek')
+            filter_file(r'^NEK\s*=.*', 'NEK=\"' + prefix.bin.NekCEM +
+                        '\"', 'makenek')
+
+            blasLapack = spec['lapack'].libs + spec['blas'].libs
+            ldFlags = blasLapack.ld_flags
+            # Temporary workaround, we should use LDFLAGS when
+            # configurenek in Nekcem is fixed.
+            # See issue: https://github.com/NekCEM/NekCEM/issues/200
+            filter_file(r'^EXTRALDFLAGS\s*=.*', 'EXTRALDFLAGS=\"' + ldFlags +
+                        '\"', 'makenek')
+
+        # Install NekCEM in prefix/bin
+        install_tree('../NekCEM', prefix.bin.NekCEM)
+        # Create symlinks to makenek, nek and configurenek scripts
+        os.symlink(os.path.join(prefix.bin.NekCEM, binDir, mNek),
+                   os.path.join(prefix.bin, mNek))
+        os.symlink(os.path.join(prefix.bin.NekCEM, binDir, cNek),
+                   os.path.join(prefix.bin, cNek))
+        os.symlink(os.path.join(prefix.bin.NekCEM, binDir, nek),
+                   os.path.join(prefix.bin, nek))