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

use version;
use Data::Dumper;

my %convert_installdirs = (
    PERL        => 'core',
    SITE        => 'site',
    VENDOR      => 'vendor',
);

my %makefile_to_build =
  (
   TEST_VERBOSE => 'verbose',
   VERBINST     => 'verbose',
   INC          => sub { map {(extra_compiler_flags => $_)} Module::Build->split_like_shell(shift) },
   POLLUTE      => sub { (extra_compiler_flags => '-DPERL_POLLUTE') },
   INSTALLDIRS  => sub { (installdirs => $convert_installdirs{uc shift()}) },
   LIB          => sub {
       my $lib = shift;
       my %config = (
           installprivlib  => $lib,
           installsitelib  => $lib,
           installarchlib  => "$lib/$Config{archname}",
           installsitearch => "$lib/$Config{archname}"
       );
       return map { (config => "$_=$config{$_}") } sort keys %config;
   },

   # Convert INSTALLVENDORLIB and friends.
   (
       map {
           my $name = $_;
           $name => sub {
                 my @ret = (config => lc($name) . "=" . shift );
                 print STDERR "# Converted to @ret\n";

                 return @ret;
           }
       } 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;