From 8983bb956b40cd7cf81adcf45393ba8d27a28eae Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Mon, 30 Jun 2014 20:22:43 -0700
Subject: [PATCH] ITS#7877 require GnuTLS 2.12.0 or newer

---
 configure.in | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/configure.in b/configure.in
index 84bfc8afb7..3d546aabd5 100644
--- a/configure.in
+++ b/configure.in
@@ -1207,6 +1207,13 @@ if test $ol_link_tls = no ; then
 		AC_CHECK_HEADERS(gnutls/gnutls.h)
 
 		if test $ac_cv_header_gnutls_gnutls_h = yes ; then
+			AC_PREPROC_IFELSE(
+				[[#include <gnutls/gnutls.h>]
+[#if GNUTLS_VERSION_NUMBER < 0x020c00]
+[#error "GnuTLS 2.12.0 or newer required"]
+[#endif]],
+					, [AC_MSG_FAILURE([GnuTLS is too old])])
+
 			AC_CHECK_LIB(gnutls, gnutls_init,
 				[have_gnutls=yes], [have_gnutls=no])
 
-- 
2.39.5