code: def _get_distutils_build_directory():
      
      pattern = "lib.{platform}-{major}.{minor}"
      return os.path.join('build', pattern.format(platform=sysconfig.get_platform(),
                                                  major=sys.version_info[0],
                                                  minor=sys.version_info[1]))
docs: Returns the directory distutils uses to build its files.
      We need this directory since we build extensions which have to link
      other ones.