check for dnssec support

bin/tests/system/synthfromdnssec/prereq.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+#
+# Copyright (C) 2017  Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+SYSTEMTESTTOP=..
+. $SYSTEMTESTTOP/conf.sh
+
+exec $SHELL ../testcrypto.sh