--- a/configure.ac Thu Feb 13 18:29:10 2014 +0100
+++ b/configure.ac Thu Feb 13 19:54:28 2014 +0100
@@ -1275,6 +1275,31 @@
if test "x$gadu_libs" != "xyes"; then
AC_DEFINE(USE_INTERNAL_LIBGADU, 1, [Using internal libgadu])
+
+ AC_CHECK_LIB(gnutls, gnutls_certificate_set_x509_system_trust, [gg_have_gnutls_csxst=yes], [gg_have_gnutls_csxst=no])
+
+ gg_gnutls_sts=""
+ if test "x$gg_have_gnutls_csxst" = "xno"; then
+ for i in /etc/ssl/ca-bundle.pem \
+ /etc/ssl/certs/ca-certificates.crt \
+ /etc/pki/tls/cert.pem \
+ /usr/local/share/certs/ca-root-nss.crt \
+ /etc/ssl/cert.pem
+ do
+ if test -e $i; then
+ gg_gnutls_sts="$i"
+ break
+ fi
+ done
+ fi
+
+ if test "x$gg_have_gnutls_csxst" = "xyes"; then
+ AC_DEFINE(HAVE_GNUTLS_CERTIFICATE_SET_X509_SYSTEM_TRUST, 1, [gnutls contains the gnutls_certificate_set_x509_system_trust function])
+ fi
+ if test "x$gg_gnutls_sts" != "x"; then
+ AC_DEFINE_UNQUOTED(GG_CONFIG_SSL_SYSTEM_TRUST, ["$gg_gnutls_sts"], [use the given file as GnuTLS default trust store])
+ fi
+
fi
if test "x$gadu_libs" = "x"; then
