From a610598df6f0cb920ba877adbc9a29f83954df52 Mon Sep 17 00:00:00 2001
From: Fabrice Bellard <fabrice@bellard.org>
Date: Wed, 13 Dec 2023 19:00:17 +0100
Subject: [PATCH] added -fwrapv to CFLAGS to ensure that signed overflows have
 a well defined behavior

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index 39bd3ad..082fc73 100644
--- a/Makefile
+++ b/Makefile
@@ -96,6 +96,7 @@ else
   endif
 endif
 STRIP=$(CROSS_PREFIX)strip
+CFLAGS+=-fwrapv # ensure that signed overflows behave as expected
 ifdef CONFIG_WERROR
 CFLAGS+=-Werror
 endif