code: def visibility_define(config):
      """Return the define value to use for NPY_VISIBILITY_HIDDEN (may be empty
      string)."""
      hide = '__attribute__((visibility("hidden")))'
      if config.check_gcc_function_attribute(hide, "hideme"):
          return hide
      else:
          return ""
  
imports: import os
  import sys
  import sysconfig
  import pickle
  import copy
  import warnings
  import textwrap
  import glob
  from os.path import join
  from numpy.distutils import log
  from numpy.distutils.msvccompiler import lib_opts_if_msvc
  from distutils.dep_util import newer
  from sysconfig import get_config_var
  from numpy.compat import npy_load_module
  from setup_common import *
label_desc: Use image node_id 12 for calling a global function with example usage: visibility_define(config) and returns: hide, str