# 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 *
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"
    git      = "https://github.com/google/highwayhash.git"

    version('dfcb97', 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)
