def unset_macosx_deployment_target():
 if ('MACOSX_DEPLOYMENT_TARGET' in os.environ):
  del os.environ['MACOSX_DEPLOYMENT_TARGET']

def unset_macosx_deployment_target ( ) : if ( 'MACOSX_DEPLOYMENT_TARGET' in os . environ ) : del os . environ [ 'MACOSX_DEPLOYMENT_TARGET' ]
unset macosx_deployment_target because we are not building portable libraries .