ensure extra metadata is treated as v2.0 internally

[p5sagit/Safe-Isa.git] / Makefile.PL

diff --git a/Makefile.PL b/Makefile.PL
index 0867c49..3771f8a 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -2,32 +2,94 @@ use strict;
 use warnings FATAL => 'all';
 use 5.008001;
 use ExtUtils::MakeMaker;
-(do 'maint/Makefile.PL.include' or die $@) unless -f 'META.yml';
+(do './maint/Makefile.PL.include' or die $@) unless -f 'META.yml';
 
-WriteMakefile(
+my %WriteMakefileArgs = (
   NAME => 'Safe::Isa',
   VERSION_FROM => 'lib/Safe/Isa.pm',
 
   META_MERGE => {
+      'meta-spec' => { version => 2 },
+      dynamic_config => 0,
+
+      resources => {
+        # r/w: p5sagit@git.shadowcat.co.uk:Safe-Isa.git
+        repository => {
+          url => 'git://git.shadowcat.co.uk/p5sagit/Safe-Isa.git',
+          web => 'http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=p5sagit/Safe-Isa.git',
+          type => 'git',
+        },
+        bugtracker => {
+            mailto => 'bug-Safe-Isa@rt.cpan.org',
+            web => 'https://rt.cpan.org/Public/Dist/Display.html?Name=Safe-Isa',
+        },
+      },
+  },
+
+  META_ADD => {
     'meta-spec' => { version => 2 },
-    dynamic_config => 0,
-
-    resources => {
-      # r/w: p5sagit@git.shadowcat.co.uk:Safe-Isa.git
-      repository => {
-        url => 'git://git.shadowcat.co.uk/p5sagit/Safe-Isa.git',
-        web => 'http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=p5sagit/Safe-Isa.git',
-        type => 'git',
+    prereqs => {
+      configure => {
+        requires => {
+          'ExtUtils::MakeMaker' => '0',
+        },
       },
-      bugtracker => {
-          mailto => 'bug-Safe-Isa@rt.cpan.org',
-          web => 'https://rt.cpan.org/Public/Dist/Display.html?Name=Safe-Isa',
+      runtime => {
+        requires => {
+          'Exporter' => '5.57',
+          'Scalar::Util' => 0,
+          perl => '5.006',
+        },
+      },
+      test => {
+        requires => {
+          'Test::More' => '0',
+        },
       },
-    },
-
-    PREREQ_PM => {
-      'Exporter' => 0,
-      'Scalar::Util' => 0,
     },
   },
 );
+
+my $eumm_version  = eval $ExtUtils::MakeMaker::VERSION;
+
+for (qw(configure build test runtime)) {
+  my $key = $_ eq 'runtime' ? 'PREREQ_PM' : uc $_.'_REQUIRES';
+  next unless exists $WriteMakefileArgs{META_ADD}{prereqs}{$_}
+           or exists $WriteMakefileArgs{$key};
+  my $r = $WriteMakefileArgs{$key} = {
+    %{$WriteMakefileArgs{META_ADD}{prereqs}{$_}{requires} || {}},
+    %{delete $WriteMakefileArgs{$key} || {}},
+  };
+  defined $r->{$_} or delete $r->{$_} for keys %$r;
+}
+
+# dynamic prereqs get added here.
+
+$WriteMakefileArgs{MIN_PERL_VERSION} = delete $WriteMakefileArgs{PREREQ_PM}{perl} || 0;
+
+die 'attention developer: you need to do a sane meta merge here!'
+  if keys %{$WriteMakefileArgs{BUILD_REQUIRES}};
+
+$WriteMakefileArgs{BUILD_REQUIRES} = {
+    %{$WriteMakefileArgs{BUILD_REQUIRES} || {}},
+    %{delete $WriteMakefileArgs{TEST_REQUIRES}}
+} if $eumm_version < 6.63_03;
+
+$WriteMakefileArgs{PREREQ_PM} = {
+    %{$WriteMakefileArgs{PREREQ_PM}},
+    %{delete $WriteMakefileArgs{BUILD_REQUIRES}}
+} if $eumm_version < 6.55_01;
+
+delete $WriteMakefileArgs{CONFIGURE_REQUIRES}
+  if $eumm_version < 6.51_03;
+
+delete $WriteMakefileArgs{MIN_PERL_VERSION}
+  if $eumm_version < 6.48;
+
+delete @WriteMakefileArgs{qw(META_ADD META_MERGE)}
+  if $eumm_version < 6.46;
+
+delete $WriteMakefileArgs{LICENSE}
+  if $eumm_version < 6.31;
+
+WriteMakefile(%WriteMakefileArgs);