add test for recent Net::DNS module.

bin/tests/system/edns/prereq.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+#
+# Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2001  Internet Software Consortium.
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: prereq.sh,v 1.1 2011/10/28 02:18:56 smann Exp $
+
+if $PERL -e 'use Net::DNS;' 2>/dev/null
+then
+	vers=`perl -MNet::DNS -e 'print "$Net::DNS::VERSION\n"'|awk -F. '{ print $1 }'`
+	
+	if [ $vers -ge 66 ]
+	then
+    		:
+	else
+    		echo "I:This test requires the version 0.66 or later of the Net::DNS library." >&2
+    		exit 1
+	fi
+else
+    echo "I:This test requires the Net::DNS library." >&2
+    exit 1
+fi