From 131227be57e09b47be352bc9ca9af0407f757250 Mon Sep 17 00:00:00 2001
From: Quantum <quantum2048@gmail.com>
Date: Sat, 21 Dec 2019 15:25:59 -0500
Subject: [PATCH] Add --enable-ubsan to build with UndefinedBehaviorSanitizer

---
 configure.ac | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure.ac b/configure.ac
index 0239ca6..03f24cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,6 +35,18 @@ AS_IF([test "x$enable_asan" = "xyes"], [
 ])
 
 
+AC_ARG_ENABLE([ubsan],
+  AS_HELP_STRING([--enable-ubsan],
+    [build with UndefinedBehaviorSanitizer])
+)
+
+AS_IF([test "x$enable_ubsan" = "xyes"], [
+  dnl enabling ubsan
+  CPPFLAGS="$CPPFLAGS -fsanitize=undefined"
+  LDFLAGS="$LDFLAGS -fsanitize=undefined"
+])
+
+
 dnl ######################
 dnl checking for pthread
 dnl ######################