Makefile.PL

use strict;
use warnings FATAL => 'all';
use 5.006;
use lib 'inc';
use ExtUtils::HasCompiler qw(can_compile_loadable_object);
use ExtUtils::MakeMaker;

my %META = (
  name => 'Devel-GlobalDestruction',
  license => 'perl_5',
  prereqs => {
    configure => { requires => {
      'ExtUtils::MakeMaker'   => 0,
    } },
    runtime => {
      requires => {
        'Sub::Exporter::Progressive' => '0.001011',
        'perl'                      => 5.006,
      },
    },
  },
  resources => {
    homepage => 'https://metacpan.org/release/Devel-GlobalDestruction',
    repository => {
      url => 'git://git.shadowcat.co.uk/p5sagit/Devel-GlobalDestruction.git',
      web => 'http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=p5sagit/Devel-GlobalDestruction.git',
      type => 'git',
    },
    bugtracker => {
      web => 'https://rt.cpan.org/Public/Dist/Display.html?Name=Devel-GlobalDestruction',
      mailto => 'bug-Devel-GlobalDestruction@rt.cpan.org',
    },
    license => [ 'http://dev.perl.org/licenses/' ],
  },
  no_index => {
    directory => [ 't', 'xt' ]
  },
);

my %MM_ARGS = (
  PREREQ_PM => {
    ( (defined ${^GLOBAL_PHASE} or parse_args()->{PUREPERL_ONLY}
        or !can_compile_loadable_object(quiet => 1) )
      ? ()
      : ('Devel::GlobalDestruction::XS' => 0)
    ),
  },
);

use Text::ParseWords;

sub parse_args {
  # copied from EUMM
  ExtUtils::MakeMaker::parse_args(
    my $tmp = {},
    Text::ParseWords::shellwords($ENV{PERL_MM_OPT} || ''),
    @ARGV,
  );
  return $tmp->{ARGS} || {};
}

if (eval { require Devel::GlobalDestruction }
    && Devel::GlobalDestruction->VERSION < 0.10) {
  package MY;
  no warnings 'once';

  *install = sub {
    my $self = shift;
    return '
pure_site_install ::
	$(NOECHO) $(RM_F) ' . $self->quote_literal(
      $self->catfile('$(DESTINSTALLSITEARCH)', 'Devel', 'GlobalDestruction.pm')
    ) . "\n" . $self->SUPER::install;
  };
}

## BOILERPLATE ###############################################################
require ExtUtils::MakeMaker;
(do './maint/Makefile.PL.include' or die $@) unless -f 'META.yml';

# have to do this since old EUMM dev releases miss the eval $VERSION line
my $eumm_version  = eval $ExtUtils::MakeMaker::VERSION;
my $mymeta        = $eumm_version >= 6.57_02;
my $mymeta_broken = $mymeta && $eumm_version < 6.57_07;

($MM_ARGS{NAME} = $META{name}) =~ s/-/::/g;
($MM_ARGS{VERSION_FROM} = "lib/$MM_ARGS{NAME}.pm") =~ s{::}{/}g;
$META{license} = [ $META{license} ]
  if $META{license} && !ref $META{license};
$MM_ARGS{LICENSE} = $META{license}[0]
  if $META{license} && $eumm_version >= 6.30;
$MM_ARGS{NO_MYMETA} = 1
  if $mymeta_broken;
$MM_ARGS{META_ADD} = { 'meta-spec' => { version => 2 }, %META }
  unless -f 'META.yml';

for (qw(configure build test runtime)) {
  my $key = $_ eq 'runtime' ? 'PREREQ_PM' : uc $_.'_REQUIRES';
  my $r = $MM_ARGS{$key} = {
    %{$META{prereqs}{$_}{requires} || {}},
    %{delete $MM_ARGS{$key} || {}},
  };
  defined $r->{$_} or delete $r->{$_} for keys %$r;
}

$MM_ARGS{MIN_PERL_VERSION} = delete $MM_ARGS{PREREQ_PM}{perl} || 0;

delete $MM_ARGS{MIN_PERL_VERSION}
  if $eumm_version < 6.47_01;
$MM_ARGS{BUILD_REQUIRES} = {%{$MM_ARGS{BUILD_REQUIRES}}, %{delete $MM_ARGS{TEST_REQUIRES}}}
  if $eumm_version < 6.63_03;
$MM_ARGS{PREREQ_PM} = {%{$MM_ARGS{PREREQ_PM}}, %{delete $MM_ARGS{BUILD_REQUIRES}}}
  if $eumm_version < 6.55_01;
delete $MM_ARGS{CONFIGURE_REQUIRES}
  if $eumm_version < 6.51_03;

ExtUtils::MakeMaker::WriteMakefile(%MM_ARGS);
## END BOILERPLATE ###########################################################