--- gforth/vmgen-ex2/engine.c	2003/03/09 15:17:11	1.6
+++ gforth/vmgen-ex2/engine.c	2003/08/25 08:02:59	1.7
@@ -163,6 +163,12 @@ enum {
 };
 #endif
 
+#if defined(__GNUC__) && ((__GNUC__==2 && defined(__GNUC_MINOR__) && __GNUC_MINOR__>=7)||(__GNUC__>2))
+#define MAYBE_UNUSED __attribute__((unused))
+#else
+#define MAYBE_UNUSED
+#endif
+
 /* the return type can be anything you want it to */
 long engine(Cell *ip0, Cell *sp, char *fp)
 {