From 7cec38852a8dbe3b2118c1d71d54fd3f9917d61a Mon Sep 17 00:00:00 2001
From: Neels Hofmeyr <neels@hofmeyr.de>
Date: Fri, 17 Nov 2017 01:43:36 +0100
Subject: [PATCH] add --enable-sanitize config option

Change-Id: I6c0c91abc0d3fa737dbe3db1e6473358da64c2a5
---
 configure.ac | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure.ac b/configure.ac
index 601b438ea..f96524066 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,6 +50,18 @@ PKG_CHECK_MODULES(LIBOSMOSCCP, libosmo-sccp)
 PKG_CHECK_MODULES(LIBCRYPTO, libcrypto >= 0.9.5)
 PKG_CHECK_MODULES(LIBOSMOMGCPCLIENT, libosmo-mgcp-client >= 1.1.0)
 
+AC_ARG_ENABLE(sanitize,
+	[AS_HELP_STRING(
+		[--enable-sanitize],
+		[Compile with address sanitizer enabled],
+	)],
+	[sanitize=$enableval], [sanitize="no"])
+if test x"$sanitize" = x"yes"
+then
+	CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
+	CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
+fi
+
 # Enable/disable smpp support in the msc?
 AC_ARG_ENABLE([smpp], [AS_HELP_STRING([--enable-smpp], [Build the SMPP interface])],
     [osmo_ac_build_smpp="$enableval"],[osmo_ac_build_smpp="no"])