From: Fabrice Bellard <fabrice@bellard.org>
Date: Wed, 13 Dec 2023 18:00:17 +0000 (+0100)
Subject: added -fwrapv to CFLAGS to ensure that signed overflows have a well defined behavior
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/gitweb.js?a=commitdiff_plain;h=a610598df6f0cb920ba877adbc9a29f83954df52;p=quickjs.git

added -fwrapv to CFLAGS to ensure that signed overflows have a well defined behavior
---

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