Added Spackage for SW4Lite proxy (#5917)

Added Spackage for C version of SW4Lite proxy. Fortran will follow once
race conditions involving .mod files are resolved

var/spack/repos/builtin/packages/sw4lite/package.py

@@ -0,0 +1,54 @@
+##############################################################################
+# Copyright (c) 2017, Los Alamos National Security, LLC
+# Produced at the Los Alamos 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 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 *
+
+
+class Sw4lite(MakefilePackage):
+    """Sw4lite is a bare bone version of SW4 intended for testing
+    performance optimizations in a few important numerical kernels of SW4."""
+
+    tags = ['proxy-app']
+
+    homepage = "https://github.com/geodynamics/sw4lite"
+    url      = "https://github.com/geodynamics/sw4lite/archive/v1.0.zip"
+
+    version('develop', git='https://github.com/geodynamics/sw4lite',
+            branch='master')
+    version('1.0', '3d911165f4f2ff6d5f9c1bd56ab6723f')
+
+    depends_on('mpi')
+
+    @property
+    def build_targets(self):
+        targets = []
+        spec = self.spec
+        targets.append('ckernel=yes')
+        targets.append('FC=' + spec['mpi'].mpifc)
+        targets.append('CXX=' + spec['mpi'].mpicxx)
+        return targets
+
+    def install(self, spec, prefix):
+        mkdir(prefix.bin)
+        install('optimize_c/sw4lite', prefix.bin)