From 6d27b0e86eff3f5b8a87edda2507939455f09b4a Mon Sep 17 00:00:00 2001
From: mrg <mrg@NetBSD.org>
Date: Fri, 1 Apr 2016 08:19:31 +0000
Subject: [PATCH] for GCC 5.3 pass -fwrapv as this relies upon well-defined
 integer overflow.

---
 bin/expr/Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/bin/expr/Makefile b/bin/expr/Makefile
index 7c7612fcabf5..8f00fdf5ee4d 100644
--- a/bin/expr/Makefile
+++ b/bin/expr/Makefile
@@ -1,6 +1,12 @@
-#	$NetBSD: Makefile,v 1.14 2000/09/19 17:20:00 jdolecek Exp $
+#	$NetBSD: Makefile,v 1.15 2016/04/01 08:19:31 mrg Exp $
 
 PROG=		expr
 SRCS=		expr.y
 
 .include <bsd.prog.mk>
+
+# XXXGCC5
+.if defined(HAVE_GCC) && ${HAVE_GCC} == 53 && ${ACTIVE_CC} == "gcc"
+CFLAGS+= -fwrapv
+.endif
+