from pathlib import Path

# This recipe bootstraps an initial compiler that is used
# for the cross-toolchain to compile the CRT before the
# real final compiler.
class Recipe(recipe.Recipe):
    name = 'gcc-bootstrap'
    version = '14.2.0'
    stype = SourceType.CUSTOM
    licenses = [License.GPLv3Plus]
    override_libtool = False
    configure_options = '--disable-maintainer-mode ' \
                        '--with-host-libstdcxx=\'-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm\' ' \
                        '--disable-shared ' \
                        '--disable-libgomp ' \
                        '--disable-libquadmath ' \
                        '--disable-libquadmath-support ' \
                        '--disable-libmudflap ' \
                        '--disable-libmpx ' \
                        '--disable-libssp ' \
                        '--disable-nls ' \
                        '--enable-threads=no ' \
                        '--enable-__cxa_atexit ' \
                        '--enable-lto ' \
                        '--enable-languages=c,c++,lto ' \
                        '--enable-multiarch ' \
                        ''
    requires_non_src_build = True
    use_system_libs = True
    add_host_build_target = False
    deps = ['gcc-sources', 'mingw-w64-headers', 'gmp', 'mpfr', 'mpc', 'isl']

    def prepare(self):
        if self.config.target_arch == Architecture.X86:
            raise InvalidRecipeError(self)
        self._target = 'x86_64-w64-mingw32'
        self.sysroot = f'{self.config.prefix}/{self._target}/sysroot'
        self.configure_options += f' --with-sysroot={self.sysroot} '
        self.configure_options += f' --with-local-prefix={self.sysroot} '
        self.configure_options += f' --with-native-system-header-dir=/usr/{self._target}/include '
        self.configure_options += ' --target=%s' % self._target
        if self.config.target_platform == Platform.WINDOWS:
            self.configure_options += ' --host=%s' % self._target
        self.config_src_dir = os.path.join(self.config.sources, f'gcc-sources-{self.version}')
        self.build_dir = os.path.join(self.config_src_dir, 'gcc_build_core')
        self.make_dir = self.build_dir
        self.make += ['all-gcc']
        self.make_install = ['install-strip-gcc' if i == 'install' else i for i in self.make_install]

    async def configure(self):
        # https://github.com/msys2/MINGW-packages/commit/54101537025a9a3a381a1e292fb9bc967e374bd2
        header = os.path.join(self.config_src_dir, 'gcc/config/i386/mingw32.h')
        shell.replace(header, {'/mingw': f'/usr/{self._target}'})
        Path(self.make_dir).mkdir(exist_ok=True)
        await super(Recipe, self).configure()