1 files changed, 11 insertions, 0 deletions

diff --git a/src/lisp.h b/src/lisp.h
index 4391e173741..cb142b9d8ad 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -3327,6 +3327,17 @@ extern int staticidx;
 struct window;
 struct frame;
 
+/* Define if the windowing system provides a menu bar.  */
+#if defined (USE_X_TOOLKIT) || defined (HAVE_NTGUI) \
+  || defined (HAVE_NS) || defined (USE_GTK)
+#define HAVE_EXT_MENU_BAR true
+#endif
+
+/* Define if the windowing system provides a tool-bar.  */
+#if defined (USE_GTK) || defined (HAVE_NS)
+#define HAVE_EXT_TOOL_BAR true
+#endif
+
 /* Copy COUNT Lisp_Objects from ARGS to contents of V starting from OFFSET.  */
 
 INLINE void