===================================================================
RCS file: /cvs/djgpp/djgpp/src/makefile.cfg,v
retrieving revision 1.3
retrieving revision 1.4
diff -p -u -r1.3 -r1.4
--- djgpp/src/makefile.cfg	2008/04/08 14:57:14	1.3
+++ /cvs/djgpp/djgpp/src/makefile.cfg	2015/04/29 15:14:32	1.4
@@ -14,7 +14,7 @@ MTUNE := -mtune=i586
 endif
 endif
 
-ifeq ($(GCC_MAJOR),4)
+ifneq ($(filter 4 5 6,$(GCC_MAJOR)),)
 MTUNE := -mtune=i586
 IQUOTE := -iquote .
 endif