'Make the install targets'

@when('@:1.7.0')
def install(self, spec, prefix):

    with working_dir(self.build_directory):
        install_tree(join_path(self.stage.source_path, 'include'), prefix.include)
        mkdirp(prefix.lib)
        install('libgtest.a', prefix.lib)
        install('libgtest_main.a', prefix.lib)
