===================================================================
RCS file: /cvs/djgpp/djgpp/src/makefile.cfg,v
retrieving revision 1.6
retrieving revision 1.7
diff -p -u -r1.6 -r1.7
--- djgpp/src/makefile.cfg	2015/05/11 11:00:14	1.6
+++ /cvs/djgpp/djgpp/src/makefile.cfg	2018/05/05 17:18:07	1.7
@@ -26,6 +26,12 @@ MTUNE := -mtune=i586
 endif
 endif
 
+ifeq ($(filter 2 3 4 5 6 7, $(GCC_MAJOR)),)
+W_STRINGOP := -Wno-stringop-truncation -Wno-stringop-overflow
+else
+W_STRINGOP :=
+endif
+
 config:	gcc.opt gpp.opt gcc-l.opt
 
 gcc.opt: makefile.cfg
@@ -45,6 +51,7 @@ gcc.opt: makefile.cfg
 	@./misc.exe echo - "-Wwrite-strings" >>gcc.opt
 	@./misc.exe echo - "-Wundef" >>gcc.opt
 	@./misc.exe echo - "-Wcast-align" >>gcc.opt
+	@./misc.exe echo - "$(W_STRINGOP)" >>gcc.opt
 	@./misc.exe echo - "-Wsign-compare" >>gcc.opt
 	@./misc.exe echo - "-nostdinc" >>gcc.opt
 	@./misc.exe echo - "$(IQUOTE)" >>gcc.opt