Makefile.PL

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

my %RUN_DEPS = (
    'base'             => 0,
    'strict'           => 0,
    'warnings'         => 0,
    'Carp'             => 0,
    'Capture::Tiny'    => 0,
    'Config'           => 0,
    'Cwd'              => 0,
    'Exporter'         => 0,
    'File::Basename'   => 0,
    'File::Spec'       => 0,
    'File::Temp'       => 0,
    'Text::ParseWords' => 0,
);
my %CONFIGURE_DEPS = ( 'ExtUtils::MakeMaker' => 0 );
my %BUILD_DEPS = ();

my %TEST_DEPS = (
    'Test::More'         => 0.90,
    'ExtUtils::CBuilder' => '0.23'
);
$] < 5.008 and $TEST_DEPS{'IO::String'} = 0;

WriteMakefile1(
    META_ADD => {
        'meta-spec' => { version => 2 },
        resources   => {
            homepage   => 'https://metacpan.org/release/Config-AutoConf',
            repository => {
                url  => 'https://github.com:ambs/Config-AutoConf.git',
                web  => 'https://github.com/ambs/Config-AutoConf',
                type => 'git',
            },
            license    => 'http://dev.perl.org/licenses/',
            bugtracker => {
                web    => 'http://rt.cpan.org/Public/Dist/Display.html?Name=Config-AutoConf',
                mailto => 'bug-Config-AutoConf@rt.cpan.org',
            },
            x_IRC         => "irc://irc.perl.org/#toolchain",
            x_MailingList => "mailto:cpan-workers\@perl.org'",
        },
        prereqs => {
            develop => {
                requires => {
                    'Test::CPAN::Changes'                 => 0,
                    'Test::CheckManifest'                 => 0,
                    'Module::CPANTS::Analyse'             => '0.96',
                    'Test::Kwalitee'                      => 0,
                    'Test::Pod'                           => 0,
                    'Test::Pod::Coverage'                 => 0,
                    'Test::Pod::Spelling::CommonMistakes' => 0,
                    'Test::Spelling'                      => 0,
                },
            },
            configure => {
                requires => {%CONFIGURE_DEPS},
            },
            build => {
                requires => {%BUILD_DEPS},
            },
            test => {
                requires => {%TEST_DEPS},
            },
            runtime => {
                requires   => {%RUN_DEPS},
                recommends => {
                    'ExtUtils::CBuilder' => '0.280220',
                    'File::Slurp::Tiny'  => 0,
                    'Scalar::Util'       => '1.18',
                },
            },
        },
    },
    NAME           => 'Config::AutoConf',
    AUTHOR         => [ 'Alberto Simoes <ambs@cpan.org>', 'Jens Rehsack <rehsack@cpan.org' ],
    VERSION_FROM   => 'lib/Config/AutoConf.pm',
    ABSTRACT_FROM  => 'lib/Config/AutoConf.pm',
    LICENSE        => 'perl',
    PREREQ_PM      => \%RUN_DEPS,
    BUILD_REQUIRES => \%BUILD_DEPS,
    TEST_REQUIRES  => \%TEST_DEPS,
    test           => { TESTS => 't/*.t xt/*.t' },
);

sub WriteMakefile1
{    # originally written by Alexandr Ciornii, version 0.21. Added by eumm-upgrade.
    my %params       = @_;
    my $eumm_version = $ExtUtils::MakeMaker::VERSION;
    $eumm_version = eval $eumm_version;
    die "EXTRA_META is deprecated" if ( exists( $params{EXTRA_META} ) );
    die "License not specified"    if ( !exists( $params{LICENSE} ) );
    $params{TEST_REQUIRES}
      and $eumm_version < 6.6303
      and $params{BUILD_REQUIRES} = { %{ $params{BUILD_REQUIRES} || {} }, %{ delete $params{TEST_REQUIRES} } };
    #EUMM 6.5502 has problems with BUILD_REQUIRES
    $params{BUILD_REQUIRES}
      and $eumm_version < 6.5503
      and $params{PREREQ_PM} = { %{ $params{PREREQ_PM} || {} }, %{ delete $params{BUILD_REQUIRES} } };
    ref $params{AUTHOR}
      and "ARRAY" eq ref $params{AUTHOR}
      and $eumm_version < 6.5702
      and $params{AUTHOR} = join( ", ", @{ $params{AUTHOR} } );
    delete $params{CONFIGURE_REQUIRES}    if ( $eumm_version < 6.52 );
    delete $params{MIN_PERL_VERSION}      if ( $eumm_version < 6.48 );
    delete $params{META_MERGE}            if ( $eumm_version < 6.46 );
    delete $params{META_ADD}{prereqs}     if ( $eumm_version < 6.58 );
    delete $params{META_ADD}{'meta-spec'} if ( $eumm_version < 6.58 );
    delete $params{META_ADD}              if ( $eumm_version < 6.46 );
    delete $params{LICENSE}               if ( $eumm_version < 6.31 );
    delete $params{AUTHOR}                if ( $] < 5.005 );
    delete $params{ABSTRACT_FROM}         if ( $] < 5.005 );
    delete $params{BINARY_LOCATION}       if ( $] < 5.005 );

    # more or less taken from Moose' Makefile.PL
    if ( $params{CONFLICTS} )
    {
        my $ok = CheckConflicts(%params);
        exit(0) if ( $params{PREREQ_FATAL} and not $ok );
        my $cpan_smoker = grep { $_ =~ m/(?:CR_SMOKER|CPAN_REPORTER|AUTOMATED_TESTING)/ } keys %ENV;
        unless ( $cpan_smoker || $ENV{PERL_MM_USE_DEFAULT} )
        {
            sleep 4 unless ($ok);
        }
        delete $params{CONFLICTS};
    }

    WriteMakefile(%params);
}