# Copyright 2013-2021 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 *


class Cryptopp(MakefilePackage):
    """Crypto++ is an open-source C++ library of cryptographic schemes. The
    library supports a number of different cryptography algorithms, including
    authenticated encryption schemes (GCM, CCM), hash functions (SHA-1, SHA2),
    public-key encryption (RSA, DSA), and a few obsolete/historical encryption
    algorithms (MD5, Panama)."""

    homepage = "http://www.cryptopp.com"
    url      = "http://www.cryptopp.com/cryptopp700.zip"

    version('7.0.0', sha256='a4bc939910edd3d29fb819a6fc0dfdc293f686fa62326f61c56d72d0a366ceb0')
    version('6.1.0', sha256='21289d2511101a9350c87c8eb1f4982d4a266e8037b19dab79a32cc13ea108c7')
    version('6.0.0', sha256='64ac2db96b3f1b7a23675e2be95d16c96055edffa2d5e2de6245fdb6baa92dda')
    version('5.6.5', sha256='a75ef486fe3128008bbb201efee3dcdcffbe791120952910883b26337ec32c34')
    version('5.6.4', sha256='be430377b05c15971d5ccb6e44b4d95470f561024ed6d701fe3da3a188c84ad7')
    version('5.6.3', sha256='9390670a14170dd0f48a6b6b06f74269ef4b056d4718a1a329f6f6069dc957c9')
    version('5.6.2', sha256='5cbfd2fcb4a6b3aab35902e2e0f3b59d9171fee12b3fc2b363e1801dfec53574')
    version('5.6.1', sha256='98e74d8cb17a38033354519ac8ba9c5d98a6dc00bf5d1ec3c533c2e8ec86f268')

    variant('shared', default=True,  description="Build shared object versions of libraries.")

    depends_on('gmake', type='build')

    def url_for_version(self, version):
        url = '{0}/{1}{2}.zip'
        return url.format(self.homepage, self.name, version.joined)

    def build(self, spec, prefix):
        cxx_flags = []

        if '+shared' in spec:
            cxx_flags.append(self.compiler.cxx_pic_flag)

        target = self.spec.target
        if 'sse4.1' not in target:
            cxx_flags.append('-DCRYPTOPP_DISABLE_SSE4')
        if 'ssse3' not in target:
            cxx_flags.append('-DCRYPTOPP_DISABLE_SSSE3')
        if 'sse2' not in target:
            cxx_flags.append('-DCRYPTOPP_DISABLE_SSE2')

        make_target = 'dynamic' if '+shared' in spec else 'static'
        make(make_target, 'CXXFLAGS={0}'.format(' '.join(cxx_flags)))

    def install(self, spec, prefix):
        make('install', 'PREFIX={0}'.format(prefix))