dnl From Jim Meyering.
dnl Find a new-enough version of Perl.
-# Copyright (C) 1998-2001, 2003-2004, 2007, 2009 Free Software Foundation, Inc.
+# Copyright (C) 1998-2001, 2003-2004, 2007, 2009-2011 Free Software Foundation,
+# Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,