Use Module::Build instead of ExtUtils::MakeMaker.

Build.PL

@@ -0,0 +1,12 @@
+#!/usr/bin/perl
+
+use strict;
+use Module::Build;
+
+Module::Build->new( module_name => 'File::DirWalk',
+                    author      => 'jens.luedicke@gmail.com',
+                    license     => 'perl',
+                    requires    => {'Test::Simple' => '0.72'},
+                    sign        => 1,
+                    create_makefile_pl => 'traditional',
+                  )->create_build_script;

MANIFEST

@@ -1,7 +1,5 @@
-DirWalk.pm
+lib/File/DirWalk.pm
 MANIFEST
 META.yml
-Makefile.PL
 README
-configure
 t/1.t

Makefile.PL

@@ -1,14 +0,0 @@
-use ExtUtils::MakeMaker;
-
-WriteMakefile(
-	'NAME'		=> 'File::DirWalk',
-	'VERSION_FROM'	=> 'DirWalk.pm',
-	'PREREQ_PM'	=> {
-		'File::Basename' => 0,
-		'File::Spec' => 0,
-	}, 
-	($] >= 5.005
-		? (AUTHOR     => 'Jens Luedicke <jensl@cpan.org>') 
-		: ()
-	),
-);

configure

@@ -1,2 +0,0 @@
-#!/bin/sh
-exec perl ./Makefile.PL "$@"

lib/File/DirWalk.pm

@@ -1,4 +1,4 @@
-# Copyright (c) 2005-2006 Jens Luedicke <jensl@cpan.org>. All rights reserved.
+# Copyright (c) 2005-2010 Jens Luedicke <jensl@cpan.org>. All rights reserved.
 # This program is free software; you can redistribute it and/or
 # modify it under the same terms as Perl itself.