use Module::Build;
my $build = Module::Build->new
        (
        module_name => 'Foo::Bar',
        license  => 'perl',
        requires => {
                                 'perl'          => '5.6.1',
                                 'Some::Module'  => '1.23',
                                 'Other::Module' => '>= 1.2, != 1.5, < 2.0',
                                },
        );
$build->create_build_script;