--- a/configure.ac	Tue Feb 24 10:16:24 2009 +0000
+++ b/configure.ac	Tue Feb 24 12:51:39 2009 +0000
@@ -1,5 +1,30 @@
 #------------------------------------------------------------------------------
-# $Id$
+#
+#  $Id$
+#
+#  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH
+#
+#  This file is part of the IgH EtherCAT Master.
+#
+#  The IgH EtherCAT Master is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  The IgH EtherCAT Master 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 for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with the IgH EtherCAT Master; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#  ---
+#  
+#  The license mentioned above concerns the source code only. Using the
+#  EtherCAT technology and brand is only permitted in compliance with the
+#  industrial property and similar rights of Beckhoff Automation GmbH.
+#
 #------------------------------------------------------------------------------
 
 AC_PREREQ(2.59)