def METHOD_NAME():
    relative_path = "./contrib/vhost-user-gpu/vhost-user-gpu"
    if is_readable_executable_file(relative_path):
        return relative_path
    bld_dir_path = os.path.join(BUILD_DIR, relative_path)
    if is_readable_executable_file(bld_dir_path):
        return bld_dir_path