From 845285077d28825da11cdfe845e3bf1e9bd5b23f Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@gnumonks.org>
Date: Wed, 6 Feb 2019 17:11:25 +0100
Subject: configure.ac: Check for libsctp

Since we merged the SGs interface, we include <netinet/sctp.h>, which
is provided by libsctp.

Change-Id: Id2321e4cb3800929cea56785e5c5bd7480408806
---
 configure.ac | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/configure.ac b/configure.ac
index 17f4b900f..f8787cfeb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,17 @@ PKG_CHECK_MODULES(LIBOSMOSCCP, libosmo-sccp >= 1.0.0)
 PKG_CHECK_MODULES(LIBOSMOMGCPCLIENT, libosmo-mgcp-client >= 1.5.0)
 PKG_CHECK_MODULES(LIBOSMOGSUPCLIENT, libosmo-gsup-client >= 1.0.0)
 
+old_LIBS=$LIBS
+AC_SEARCH_LIBS([sctp_send], [sctp], [
+	AC_DEFINE(HAVE_LIBSCTP, 1, [Define 1 to enable SCTP support])
+	AC_SUBST(HAVE_LIBSCTP, [1])
+	if test -n "$ac_lib"; then
+		AC_SUBST(LIBSCTP_LIBS, [-l$ac_lib])
+	fi
+	], [
+	AC_MSG_ERROR([sctp_send not found in searched libs])])
+LIBS=$old_LIBS
+
 AC_ARG_ENABLE(sanitize,
 	[AS_HELP_STRING(
 		[--enable-sanitize],
-- 
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