features/highwayhash (#3242)

* Adding highwayhash package from Google

* Added the highwayhash package for Tensorflow

* Fixed the numerous flake8 issues

* fixed requested changes

* added conditionals for some installs

* forgot an import

* create install directories before you install anything in them

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

@@ -0,0 +1,62 @@
+##############################################################################
+# 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 *
+from glob import glob
+import os
+
+
+class Highwayhash(MakefilePackage):
+    """Strong (well-distributed and unpredictable) hashes:
+        - Portable implementation of SipHash
+        - HighwayHash, a 5x faster SIMD hash with security claims
+    """
+
+    homepage = "https://github.com/google/highwayhash"
+
+    version('dfcb97', git='https://github.com/google/highwayhash.git',
+            commit='dfcb97ca4fe9277bf9dc1802dd979b071896453b')
+
+    build_targets = ['all', 'libhighwayhash.a']
+
+    def install(self, spec, prefix):
+        mkdirp(prefix.bin)
+        mkdirp(prefix.include)
+
+        # The following are CPU and compiler flag specific
+        if(os.path.exists('libhighwayhash.a')):
+            mkdirp(prefix.lib)
+            install('libhighwayhash.a', prefix.lib)
+        if(os.path.exists('highwayhash_test')):
+            install('highwayhash_test', prefix.bin)
+        if(os.path.exists('benchmark')):
+            install('benchmark', prefix.bin)
+
+        # Always installed
+        install('profiler_example', prefix.bin)
+        install('nanobenchmark_example', prefix.bin)
+        install('vector_test', prefix.bin)
+        install('sip_hash_test', prefix.bin)
+        for i in glob('highwayhash/*.h'):
+            install(i, prefix.include)