diff --git a/freeglut/freeglut/src/gles_stubs.c b/freeglut/freeglut/src/gles_stubs.c
index c8437ce..164219c 100644
--- a/freeglut/freeglut/src/gles_stubs.c
+++ b/freeglut/freeglut/src/gles_stubs.c
@@ -7,3 +7,10 @@ void fgDeactivateMenu( SFG_Window *window ) {
 void fgDisplayMenu( void ) {
   fprintf(stderr, "fgDisplayMenu: STUB\n");
 }
+void fgUpdateMenuHighlight ( SFG_Menu *menu ) {
+  fprintf(stderr, "fgUpdateMenuHighlight: STUB\n");
+}
+GLboolean fgCheckActiveMenu ( SFG_Window *window, int button, GLboolean pressed,
+                              int mouse_x, int mouse_y )  {
+  fprintf(stderr, "fgCheckActiveMenu: STUB\n");
+}