ITS#7877 require GnuTLS 2.12.0 or newer

diff --git a/configure.in b/configure.in
index 81bd528fb5194c83d688db355737b7715448b958..31ba7fdbcc27a005c03968f01ca2476c722fca4a 100644 (file)
--- 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])