From 23d88f76d603f8059e6075a7d8987f449aca3992 Mon Sep 17 00:00:00 2001
From: Fabian Keil <fk@fabiankeil.de>
Date: Sat, 6 Feb 2021 20:19:10 +0100
Subject: [PATCH] Add configure option to enable MemorySanitizer

---
 configure.in | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.in b/configure.in
index 6b7f944b..07f2fd9c 100644
--- a/configure.in
+++ b/configure.in
@@ -168,6 +168,12 @@ if test "x$with_asan" = "xyes"; then
     LDFLAGS="$LDFLAGS -fsanitize=address"
 fi
 
+AC_ARG_WITH(asan, [  --with-msan       Enable MemorySanitizer. Requires compiler support.])
+if test "x$with_msan" = "xyes"; then
+    CFLAGS="$CFLAGS -fsanitize=memory"
+    LDFLAGS="$LDFLAGS -fsanitize=memory"
+fi
+
 AC_ARG_WITH(usan, [  --with-usan       Enable UndefinedBehaviorSanitizer. Requires compiler support.])
 if test "x$with_usan" = "xyes"; then
     CFLAGS="$CFLAGS -fsanitize=undefined"
-- 
2.39.2