# 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 *


class Googletest(CMakePackage):
    """Google test framework for C++.  Also called gtest."""
    homepage = "https://github.com/google/googletest"
    url      = "https://github.com/google/googletest/tarball/release-1.7.0"

    version('1.8.1', sha256='8e40a005e098b1ba917d64104549e3da274e31261dedc57d6250fe91391b2e84')
    version('1.8.0', sha256='d8c33605d23d303b08a912eaee7f84c4e091d6e3d90e9a8ec8aaf7450dfe2568')
    version('1.7.0', sha256='9639cf8b7f37a4d0c6575f52c01ef167c5f11faee65252296b3ffc2d9acd421b')
    version('1.6.0', sha256='a61e20c65819eb39a2da85c88622bac703b865ca7fe2bfdcd3da734d87d5521a')

    variant('gmock', default=False, description='Build with gmock')
    conflicts('+gmock', when='@:1.7.0')

    variant('pthreads', default=True,
            description='Build multithreaded version with pthreads')
    variant('shared', default=True,
            description='Build shared libraries (DLLs)')

    def cmake_args(self):
        spec = self.spec
        if '@1.8.0:' in spec:
            # New style (contains both Google Mock and Google Test)
            options = ['-DBUILD_GTEST=ON']
            if '+gmock' in spec:
                options.append('-DBUILD_GMOCK=ON')
            else:
                options.append('-DBUILD_GMOCK=OFF')
        else:
            # Old style (contains only GTest)
            options = []

        options.append('-Dgtest_disable_pthreads={0}'.format(
            'ON' if '+pthreads' in spec else 'OFF'))
        options.append('-DBUILD_SHARED_LIBS={0}'.format(
            'ON' if '+shared' in spec else 'OFF'))
        return options

    @when('@:1.7.0')
    def install(self, spec, prefix):
        """Make the install targets"""
        with working_dir(self.build_directory):
            # Google Test doesn't have a make install
            # We have to do our own install here.
            install_tree(join_path(self.stage.source_path, 'include'),
                         prefix.include)

            mkdirp(prefix.lib)
            if '+shared' in spec:
                install('libgtest.{0}'.format(dso_suffix), prefix.lib)
                install('libgtest_main.{0}'.format(dso_suffix), prefix.lib)
            else:
                install('libgtest.a', prefix.lib)
                install('libgtest_main.a', prefix.lib)
