Only declare dMY_CXT when really needed

[perl/modules/autovivification.git] / Makefile.PL

diff --git a/Makefile.PL b/Makefile.PL
index 01f62934a7f22953ed2a952f86565c557a742711..1c5c428370cef5598b9dd3158304139b31be1bae 100644 (file)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,9 +1,51 @@
-use 5.008;
+use 5.008003;
 
 use strict;
 use warnings;
 use ExtUtils::MakeMaker;
 
+BEGIN {
+ local $@;
+ eval { require Config };
+ die 'OS unsupported' if $@;
+ Config->import(qw<%Config>);
+}
+
+my @DEFINES;
+my %macro;
+
+my $is_gcc_34 = 0;
+print "Checking if this is gcc 3.4 on Windows trying to link against an import library... ";
+if ($^O eq 'MSWin32' and not grep /^LD[A-Z]*=/, @ARGV) {
+ my ($libperl, $gccversion) = map $_ || '', @Config{qw<libperl gccversion>};
+ if ($gccversion =~ /^3\.4\.[0-9]+/ and $libperl =~ s/\.lib$//) {
+  $is_gcc_34 = 1;
+  my ($lddlflags, $ldflags) = @Config{qw<lddlflags ldflags>};
+  $_ ||= '', s/-L(?:".*?"|\S+)//g for $lddlflags, $ldflags;
+  $libperl = "-l$libperl";
+  my $libdirs = join ' ',
+                 map { s/(?<!\\)((?:\\\\)*")/\\$1/g; qq[-L"$_"] }
+                  @Config{qw<bin sitebin>};
+  $macro{LDDLFLAGS}    = "$lddlflags $libdirs $libperl";
+  $macro{LDFLAGS}      = "$ldflags $libdirs $libperl";
+  $macro{PERL_ARCHIVE} = '',
+ }
+}
+print $is_gcc_34 ? "yes\n" : "no\n";
+
+# Threads, Windows and 5.8.x don't seem to be best friends
+if ($^O eq 'MSWin32' && $^V lt v5.9.0) {
+ push @DEFINES, '-DA_MULTIPLICITY=0';
+}
+
+# Fork emulation got "fixed" in 5.10.1
+if ($^O eq 'MSWin32' && $^V lt v5.10.1) {
+ push @DEFINES, '-DA_FORKSAFE=0';
+}
+
+@DEFINES = (DEFINE => join ' ', @DEFINES) if @DEFINES;
+%macro   = (macro  => { %macro })         if %macro; # Beware of the circle
+
 my $dist = 'autovivification';
 
 (my $name = $dist) =~ s{-}{::}g;
@@ -24,7 +66,7 @@ my %META = (
   'Test::More'          => 0,
   %PREREQ_PM,
  },
- dynamic_config => 0,
+ dynamic_config => 1,
  resources => {
   bugtracker => "http://rt.cpan.org/NoAuth/ReportBug.html?Queue=$dist",
   homepage   => "http://search.cpan.org/dist/$dist/",
@@ -40,8 +82,9 @@ WriteMakefile(
  VERSION_FROM     => $file,
  ABSTRACT_FROM    => $file,
  PL_FILES         => {},
+ @DEFINES,
  PREREQ_PM        => \%PREREQ_PM,
- MIN_PERL_VERSION => 5.008,
+ MIN_PERL_VERSION => 5.008003,
  META_MERGE       => \%META,
  dist             => {
   PREOP    => "pod2text $file > \$(DISTVNAME)/README",
@@ -50,4 +93,5 @@ WriteMakefile(
  clean            => {
   FILES => "$dist-* *.gcov *.gcda *.gcno cover_db Debian_CPANTS.txt"
  },
+ %macro,
 );