From 4cc86b52d215b1d56368403ab0faccd92f701336 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 14 Sep 2019 17:42:16 +0200
Subject: [PATCH] add --enable-sanitizer

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

diff --git a/configure.ac b/configure.ac
index 1b58b1f8e..a40dfb6a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -447,6 +447,12 @@ AC_ARG_ENABLE(linker-hardening,
   [AS_IF([test x$enableval = xyes],[LDFLAGS="$LDFLAGS -z relro -z now"])])
 
 
+AC_ARG_ENABLE(sanitizer,
+  AS_HELP_STRING(--enable-sanitizer, enable Address Sanitizer and Undefined Behavior Sanitizer),
+[AS_IF([test x$enableval = xyes],[
+   LDFLAGS="$CFLAGS -fsanitize=address,undefined -fno-omit-frame-pointer"
+ ])])
+
 # logging
 extra_logging=0
 AC_ARG_ENABLE([logging],