use strict;
use warnings;
use ExtUtils::MakeMaker;


sub merge_key_into {
    my ($href, $target, $source) = @_;
    %{$href->{$target}} = (%{$href->{$target}}, %{delete $href->{$source}});
}

my %opt = (
    NAME          => 'Data::Munge',
    AUTHOR        => q{Lukas Mai <l.mai@web.de>},
    VERSION_FROM  => 'lib/Data/Munge.pm',
    ABSTRACT_FROM => 'lib/Data/Munge.pm',

    LICENSE => 'perl',
    PL_FILES => {},

    CONFIGURE_REQUIRES => {
        'strict'              => 0,
        'warnings'            => 0,
        'ExtUtils::MakeMaker' => '6.48',
    },
    BUILD_REQUIRES => {},
    TEST_REQUIRES => {
        'Test::More'     => 0,
        'Test::Warnings' => 0,
    },
    PREREQ_PM => {
        'Exporter' => 0,
        'base'     => 0,
        'strict'   => 0,
        'warnings' => 0,
    },

    depend => {
        Makefile => '$(VERSION_FROM)',
    },
    dist  => { COMPRESS => 'gzip -9f', SUFFIX => 'gz', },
    clean => { FILES    => 'Data-Munge-*' },

    META_MERGE => {
        'meta-spec' => { version => 2 },
        'resources' => {
            repository => {
                url  => 'git://github.com/mauke/Data-Munge.git',
                web  => 'https://github.com/mauke/Data-Munge',
                type => 'git',
            },
        },
    },
);

(my $mm_version = ExtUtils::MakeMaker->VERSION($opt{CONFIGURE_REQUIRES}{'ExtUtils::MakeMaker'})) =~ tr/_//d;

if ($mm_version < 6.67_04) {
    # Why? For the glory of satan, of course!
    no warnings qw(redefine);
    *ExtUtils::MM_Any::_add_requirements_to_meta_v1_4 = \&ExtUtils::MM_Any::_add_requirements_to_meta_v2;
}

if ($mm_version < 6.63_03) {
    merge_key_into \%opt, 'BUILD_REQUIRES', 'TEST_REQUIRES';
}

if ($mm_version < 6.55_01) {
    merge_key_into \%opt, 'CONFIGURE_REQUIRES', 'BUILD_REQUIRES';
}

if ($mm_version < 6.51_03) {
    merge_key_into \%opt, 'PREREQ_PM', 'CONFIGURE_REQUIRES';
}

WriteMakefile %opt;