# Set up the relevant stuff in /etc/userv/vpn, and then run
# this. It should tell you what to do to inittab and ipif-networks.
+# This file is part of ipif, part of userv-utils
+#
+# Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
+# Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
+# Copyright 1999,2003
+# Chancellor Masters and Scholars of the University of Cambridge
+# Copyright 2010 Tony Finch <fanf@dotat.at>
+#
# This is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with userv-utils; if not, write to the Free Software
-# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# $Id$
+# along with userv-utils; if not, see http://www.gnu.org/licenses/.
use Socket;
undef $/;
$m4out= <X>;
$/= "\n";
- close X; $? and exit -1;
+ $!=0; close X; $? and die "m4 failed with code $? $!";
$m4out =~ s/^\s+//;
$m4out =~ s/\n+/\n/g;
$m4out =~ s/\s+$//;