def METHOD_NAME(self) -> None:
    num_jobs = int(os.environ.get('CUPY_NUM_BUILD_JOBS', '4'))
    if num_jobs > 1:
        self.parallel = num_jobs
        if hasattr(self.compiler, 'initialize'):
            # Workarounds a bug in setuptools/distutils on Windows by
            # initializing the compiler before starting a thread.
            # By default, MSVCCompiler performs initialization in the
            # first compilation. However, in parallel compilation mode,
            # the init code runs in each thread and messes up the internal
            # state as the init code is not locked and is not idempotent.
            # https://github.com/pypa/setuptools/blob/v60.0.0/setuptools/_distutils/_msvccompiler.py#L322-L327
            self.compiler.initialize()
    # Compile "*.pyx" files into "*.cpp" files.
    print('Cythonizing...')
    self._cythonize(num_jobs)
    # Change an extension in each source filenames from "*.pyx" to "*.cpp".
    # c.f. `Cython.Distutils.old_build_ext`
    for ext in self.extensions:
        sources_pyx, sources_others = filter_files_by_extension(
            ext.sources, '.pyx')
        sources_cpp = ['{}.cpp'.format(os.path.splitext(src)[0])
                       for src in sources_pyx]
        ext.sources = sources_cpp + sources_others
        for src in ext.sources:
            if not os.path.isfile(src):
                raise RuntimeError(f'Fatal error: missing file: {src}')
    print('Building extensions...')
    super().METHOD_NAME()
    if sys.platform == 'win32':
        print('Generating DLL dependency list...')
        # Find "dumpbin.exe" next to "lib.exe".
        dumpbin = os.path.join(
            os.path.dirname(self.compiler.lib), 'dumpbin.exe')
        # Save list of dependent DLLs for all extension modules.
        depends = sorted(set(sum([
            dumpbin_dependents(dumpbin, f) for f in self.get_outputs()
        ], [])))
        depends_json = os.path.join(
            self.build_lib, 'cupy', '.data', '_depends.json')
        os.makedirs(os.path.dirname(depends_json), exist_ok=True)
        with open(depends_json, 'w') as f:
            json.dump({'depends': depends}, f)