static bool
have_boxes (void)
{
-#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NTGUI)
+#if defined (USE_X_TOOLKIT) || defined (USE_GTK) || defined (HAVE_NTGUI) || defined(HAVE_NS)
if (FRAME_WINDOW_P (XFRAME (Vmenu_updating_frame)))
return 1;
#endif