Added gemmlowp package (#3240)

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

@@ -0,0 +1,40 @@
+#############################################################################
+# Copyright (c) 2013-2016, 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/llnl/spack
+# Please also see the LICENSE file 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 Gemmlowp(Package):
+    """Google low-precision matrix multiplication library"""
+
+    homepage = "https://github.com/google/gemmlowp"
+    version('a6f29d9ac', git='https://github.com/google/gemmlowp.git',
+            commit='a6f29d8ac48d63293f845f2253eccbf86bc28321')
+
+    def install(self, spec, prefix):
+        header_directories = ('eight_bit_int_gemm', 'fixedpoint',
+                              'internal', 'meta', 'profiling', 'public')
+
+        for directory in header_directories:
+            install_tree(directory, join_path(prefix.include, directory))