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local/lib/perl5/Module/Build/Compat.pm  view on Meta::CPAN

           }
       } qw(
         INSTALLARCHLIB  INSTALLSITEARCH     INSTALLVENDORARCH
         INSTALLPRIVLIB  INSTALLSITELIB      INSTALLVENDORLIB
         INSTALLBIN      INSTALLSITEBIN      INSTALLVENDORBIN
         INSTALLSCRIPT   INSTALLSITESCRIPT   INSTALLVENDORSCRIPT
         INSTALLMAN1DIR  INSTALLSITEMAN1DIR  INSTALLVENDORMAN1DIR
         INSTALLMAN3DIR  INSTALLSITEMAN3DIR  INSTALLVENDORMAN3DIR
       )
   ),

   # Some names they have in common
   map {$_, lc($_)} qw(DESTDIR PREFIX INSTALL_BASE UNINST),
  );

my %macro_to_build = %makefile_to_build;
# "LIB=foo make" is not the same as "perl Makefile.PL LIB=foo"
delete $macro_to_build{LIB};

sub _merge_prereq {
  my ($req, $breq) = @_;
  $req ||= {};
  $breq ||= {};

  # validate formats
  for my $p ( $req, $breq ) {
    for my $k (sort keys %$p) {
      next if $k eq 'perl';

      my $v_obj = eval { version->new($p->{$k}) };
      if ( ! defined $v_obj ) {
          die "A prereq of the form '$p->{$k}' for '$k' is not supported by Module::Build::Compat ( use a simpler version like '0.05' or 'v1.4.25' )\n";
      }

      # It seems like a lot of people trip over "0.1.2" stuff, so we help them here...
      if ( $v_obj->is_qv ) {
        my $proper_ver = $v_obj->numify;
        warn "Dotted-decimal prereq '$p->{$k}' for '$k' is not portable - converting it to '$proper_ver'\n";
        $p->{$k} = $proper_ver;
      }
    }
  }
  # 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});
    open($fh, '>', "$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 $min_ver = version->new($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