Alien::Base with alternative FTP object

FTP-Build.PL

 use strict;
 use warnings;

 use Alien::Base::ModuleBuild;

 my $builder = Alien::Base::ModuleBuild->new(
   module_name => 'Alien::GSL',
   dist_abstract => 'Easy installation of the GNU Scientific Library',
   license => 'perl',
   configure_requires => {
     'Alien::Base' => 0,
   },
   requires => {
     'perl' => '5.8.1',
     'Alien::Base' => 0,
   },
   dist_author => 'Joel A. Berger <joel.a.berger@gmail.com>',
   alien_name => 'gsl',
   alien_repository => {
     ftp_class => 'FTP::Other',
     pattern => qr/^gsl-([\d\.])+\.tar\.gz$/,
   },
 );
 $builder->create_build_script;