diff -r 6f8f7a5449f6 -r b66c81dfa291 common/autoconf/build-aux/pkg.m4
--- a/common/autoconf/build-aux/pkg.m4	Fri Jan 11 10:46:59 2013 +0100
+++ b/common/autoconf/build-aux/pkg.m4	Mon Jan 14 16:38:25 2013 -0800
@@ -1,4 +1,30 @@
 # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
+
+#
+# Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
 # 
 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
 #