From 5cae5cadeb564fcf4fd0c0cc8e08d45589c22894 Mon Sep 17 00:00:00 2001
From: Guillaume Beraudo <guillaume.beraudo@linphone.org>
Date: Tue, 8 Jan 2013 16:16:59 +0100
Subject: [PATCH] Detect presence of DSCP in exosip

---
 configure.ac          | 11 +++++++++++
 coreapi/sal_eXosip2.c |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/configure.ac b/configure.ac
index 7872c6d2a..22258a9a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -370,6 +370,17 @@ fi
 dnl setup flags for exosip library
 LP_SETUP_EXOSIP
 
+dnl check exosip support of DSCP in exosip
+AC_MSG_CHECKING([for DSCP support in exosip])
+AC_TRY_COMPILE([#include <eXosip2/eXosip.h>],
+[int dscp=0;eXosip_set_option(EXOSIP_OPT_SET_DSCP,&dscp);],
+has_exosip_dscp=yes,has_exosip_dscp=no)
+AC_MSG_RESULT($has_exosip_dscp)
+if test "$has_exosip_dscp" = "yes" ; then
+    AC_DEFINE( HAVE_EXOSIP_DSCP, 1, [Define if exosip dscp available] )
+fi
+
+
 if test "$console_ui" = "true" ; then
 dnl check gnu readline
 LP_CHECK_READLINE
diff --git a/coreapi/sal_eXosip2.c b/coreapi/sal_eXosip2.c
index 325e495d3..b26751a71 100644
--- a/coreapi/sal_eXosip2.c
+++ b/coreapi/sal_eXosip2.c
@@ -382,8 +382,10 @@ static void set_tls_options(Sal *ctx){
 
 void sal_set_dscp(Sal *ctx, int dscp){
 	ctx->dscp=dscp;
+#ifdef HAVE_EXOSIP_DSCP
 	if (dscp!=-1)
 		eXosip_set_option(EXOSIP_OPT_SET_DSCP,&ctx->dscp);
+#endif
 }
 
 int sal_listen_port(Sal *ctx, const char *addr, int port, SalTransport tr, int is_secure){