spack/var/spack/repos/builtin.mock/packages/cmake/package.py

# Copyright 2013-2022 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)

import os
import sys

from spack import *

is_windows = sys.platform == 'win32'


def check(condition, msg):
    """Raise an install error if condition is False."""
    if not condition:
        raise InstallError(msg)


class Cmake(Package):
    """A dumy package for the cmake build system."""
    homepage  = 'https://www.cmake.org'
    url       = 'https://cmake.org/files/v3.4/cmake-3.4.3.tar.gz'

    version('3.4.3',    '4cb3ff35b2472aae70f542116d616e63',
            url='https://cmake.org/files/v3.4/cmake-3.4.3.tar.gz')

    def setup_build_environment(self, env):
        spack_cc    # Ensure spack module-scope variable is avaiable
        env.set('for_install', 'for_install')

    def setup_dependent_build_environment(self, env, dependent_spec):
        spack_cc    # Ensure spack module-scope variable is avaiable
        env.set('from_cmake', 'from_cmake')

    def setup_dependent_package(self, module, dspec):
        spack_cc    # Ensure spack module-scope variable is avaiable

        self.spec.from_cmake = "from_cmake"
        module.from_cmake = "from_cmake"

        self.spec.link_arg = "test link arg"

    def install(self, spec, prefix):
        mkdirp(prefix.bin)

        check(os.environ['for_install'] == 'for_install',
              "Couldn't read env var set in compile envieonmnt")
        cmake_exe_ext = ".exe" if is_windows else ''
        cmake_exe = join_path(prefix.bin, 'cmake{}'.format(cmake_exe_ext))
        touch(cmake_exe)
        set_executable(cmake_exe)