--- /usr/portage/net-fs/samba/samba-4.1.18.ebuild	2015-06-03 19:31:14.000000000 +0200
+++ samba-4.1.18.ebuild	2015-06-20 16:35:42.446945977 +0200
@@ -93,6 +93,18 @@
 	fi
 }
 
+src_prepare() {
+	if has_version ">=net-libs/gnutls-3.4"; then
+		sed -e 's/.*set_priority.*/\tgnutls_priority_set_direct(tls->session, "NORMAL:+CTYPE-OPENPGP", NULL);/' \
+			-e '/cert_type_priority/d' \
+			-i source4/lib/tls/tls.c
+		sed -e 's/.*set_priority.*/\tgnutls_priority_set_direct(tlss->tls_session, "NORMAL:+CTYPE-OPENPGP", NULL);/' \
+			-e '/t cert_type_priority/ s:^:/*:' \
+			-e '/t cert_type_priority/{n;N;N;N;s:$:*/:}' \
+			-i source4/lib/tls/tls_tstream.c
+	fi
+}
+
 src_configure() {
 	local myconf=''
 	use "cluster" && myconf+=" --with-ctdb-dir=/usr"