def gen_lib_options(compiler, library_dirs, runtime_library_dirs, libraries):
    library_dirs = quote_args(library_dirs)
    runtime_library_dirs = quote_args(runtime_library_dirs)
    r = _distutils_gen_lib_options(compiler, library_dirs,
                                   runtime_library_dirs, libraries)
    lib_opts = []
    for i in r:
        if is_sequence(i):
            lib_opts.extend(list(i))
        else:
            lib_opts.append(i)
    return lib_opts

def gen_preprocess_options (macros, include_dirs):
    include_dirs = quote_args(include_dirs)
    return _distutils_gen_preprocess_options(macros, include_dirs)