view release on metacpan or  search on metacpan

inc/inc_Module-Build/Module/Build/Compat.pm  view on Meta::CPAN

  # merge
  my $merge = { %$req };
  for my $k ( keys %$breq ) {
    my $v1 = $merge->{$k} || 0;
    my $v2 = $breq->{$k};
    $merge->{$k} = $v1 > $v2 ? $v1 : $v2;
  }
  return %$merge;
}


sub create_makefile_pl {
  my ($package, $type, $build, %args) = @_;

  die "Don't know how to build Makefile.PL of type '$type'"
    unless $type =~ /^(small|passthrough|traditional)$/;

  if ($type eq 'passthrough') {
    $build->log_warn(<<"HERE");

IMPORTANT NOTE: The '$type' style of Makefile.PL is deprecated and
may be removed in a future version of Module::Build in favor of the
'configure_requires' property.  See Module::Build::Compat
documentation for details.

HERE
  }

  my $fh;
  if ($args{fh}) {
    $fh = $args{fh};
  } else {
    $args{file} ||= 'Makefile.PL';
    local $build->{properties}{quiet} = 1;
    $build->delete_filetree($args{file});
    $fh = IO::File->new("> $args{file}") or die "Can't write $args{file}: $!";
  }

  print {$fh} "# Note: this file was auto-generated by ", __PACKAGE__, " version $VERSION\n";

  # Minimum perl version should be specified as "require 5.XXXXXX" in
  # Makefile.PL
  my $requires = $build->requires;
  if ( my $minimum_perl = $requires->{perl} ) {
    my $min_ver = Module::Build::Version->new($minimum_perl)->numify;
    print {$fh} "require $min_ver;\n";
  }

  # If a *bundled* custom subclass is being used, make sure we add its
  # directory to @INC.  Also, lib.pm always needs paths in Unix format.
  my $subclass_load = '';
  if (ref($build) ne "Module::Build") {
    my $subclass_dir = $package->subclass_dir($build);

    if (File::Spec->file_name_is_absolute($subclass_dir)) {
      my $base_dir = $build->base_dir;

      if ($build->dir_contains($base_dir, $subclass_dir)) {
	$subclass_dir = File::Spec->abs2rel($subclass_dir, $base_dir);
	$subclass_dir = $package->unixify_dir($subclass_dir);
        $subclass_load = "use lib '$subclass_dir';";
      }
      # Otherwise, leave it the empty string

    } else {
      $subclass_dir = $package->unixify_dir($subclass_dir);
      $subclass_load = "use lib '$subclass_dir';";
    }
  }

  if ($type eq 'small') {
    printf {$fh} <<'EOF', $subclass_load, ref($build), ref($build);
    use Module::Build::Compat 0.02;
    %s
    Module::Build::Compat->run_build_pl(args => \@ARGV);
    require %s;
    Module::Build::Compat->write_makefile(build_class => '%s');
EOF

  } elsif ($type eq 'passthrough') {
    printf {$fh} <<'EOF', $subclass_load, ref($build), ref($build);

    unless (eval "use Module::Build::Compat 0.02; 1" ) {
      print "This module requires Module::Build to install itself.\n";

      require ExtUtils::MakeMaker;
      my $yn = ExtUtils::MakeMaker::prompt
	('  Install Module::Build now from CPAN?', 'y');

      unless ($yn =~ /^y/i) {
	die " *** Cannot install without Module::Build.  Exiting ...\n";
      }

      require Cwd;
      require File::Spec;
      require CPAN;

      # Save this 'cause CPAN will chdir all over the place.
      my $cwd = Cwd::cwd();

      CPAN::Shell->install('Module::Build::Compat');
      CPAN::Shell->expand("Module", "Module::Build::Compat")->uptodate
	or die "Couldn't install Module::Build, giving up.\n";

      chdir $cwd or die "Cannot chdir() back to $cwd: $!";
    }
    eval "use Module::Build::Compat 0.02; 1" or die $@;
    %s
    Module::Build::Compat->run_build_pl(args => \@ARGV);
    my $build_script = 'Build';
    $build_script .= '.com' if $^O eq 'VMS';
    exit(0) unless(-e $build_script); # cpantesters convention
    require %s;
    Module::Build::Compat->write_makefile(build_class => '%s');
EOF

  } elsif ($type eq 'traditional') {

    my (%MM_Args, %prereq);
    if (eval "use Tie::IxHash 1.2; 1") {
      tie %MM_Args, 'Tie::IxHash'; # Don't care if it fails here
      tie %prereq,  'Tie::IxHash'; # Don't care if it fails here
    }

    my %name = ($build->module_name
		? (NAME => $build->module_name)
		: (DISTNAME => $build->dist_name));