+use strict;
+use warnings;
+use 5.006;
+
use ExtUtils::MakeMaker;
-WriteMakefile(
- 'NAME' => 'Class::C3',
- 'VERSION_FROM' => 'lib/Class/C3.pm', # finds $VERSION
- 'PREREQ_PM' => {
- 'Test::More' => 0.47,
- 'Test::Exception' => 0.15,
- 'Scalar::Util' => 1.10,
- 'Sub::Name' => 0,
- 'NEXT' => 0,
- }
+
+my $mymeta_works = eval { ExtUtils::MakeMaker->VERSION('6.5707'); 1 };
+my $mymeta = $mymeta_works || eval { ExtUtils::MakeMaker->VERSION('6.5702'); 1 };
+
+my %BUILD_DEPS = (
+ 'Test::More' => '0.47',
);
+my %OPT_BUILD_DEPS = ( $] < 5.009_005 and is_smoker() )
+ ? ( 'Devel::Hide' => 0 ) : ()
+;
+
+my %RUN_DEPS = (
+ # needed by the PP version only, have them installed
+ # regardless of XS availability or perl version
+ # (for fatpacking and whatnot)
+ 'Algorithm::C3' => '0.07',
+ 'Scalar::Util' => '0',
+);
+my %OPT_RUN_DEPS = ( $] < 5.009_005 and can_xs() )
+ ? ( 'Class::C3::XS' => '0.13' ) : ()
+;
+
+my %META_BITS = (
+ resources => {
+ homepage => 'http://search.cpan.org/dist/Class-C3',
+ repository => 'git://git.shadowcat.co.uk/gitmo/Class-C3.git',
+ bugtracker => 'http://rt.cpan.org/Public/Dist/Display.html?Name=Class-C3',
+ },
+);
+
+my %WriteMakefileArgs = (
+ 'NAME' => 'Class::C3',
+ 'AUTHOR' => 'Stevan Little, <stevan@iinteractive.com>',
+ 'VERSION_FROM' => 'lib/Class/C3.pm',
+ 'ABSTRACT_FROM' => 'lib/Class/C3.pm',
+ 'CONFIGURE_REQUIRES' => { 'ExtUtils::CBuilder' => 0.27 },
+ 'PREREQ_PM' => {
+ %RUN_DEPS, %OPT_RUN_DEPS,
+ $mymeta_works ? () : (%BUILD_DEPS, %OPT_BUILD_DEPS),
+ },
+
+ $mymeta_works
+ ? ( # BUILD_REQUIRES makes MYMETA right, requires stops META being wrong
+ 'BUILD_REQUIRES' => { %BUILD_DEPS, %OPT_BUILD_DEPS },
+ 'META_ADD' => {
+ %META_BITS,
+ requires => \%RUN_DEPS,
+ },
+ )
+ : ( # META_ADD both to get META right - only Makefile written
+ 'META_ADD' => {
+ %META_BITS,
+ requires => \%RUN_DEPS,
+ build_requires => \%BUILD_DEPS,
+ },
+ )
+ ,
+
+ ($mymeta and !$mymeta_works) ? ( 'NO_MYMETA' => 1 ) : (),
+
+ 'LICENSE' => 'perl',
+);
+
+
+unless ( eval { ExtUtils::MakeMaker->VERSION('6.56') } ) {
+ my $br = delete $WriteMakefileArgs{BUILD_REQUIRES};
+ my $pp = $WriteMakefileArgs{PREREQ_PM};
+ for my $mod ( keys %$br ) {
+ if ( exists $pp->{$mod} ) {
+ $pp->{$mod} = $br->{$mod} if $br->{$mod} > $pp->{$mod};
+ }
+ else {
+ $pp->{$mod} = $br->{$mod};
+ }
+ }
+}
+
+delete $WriteMakefileArgs{CONFIGURE_REQUIRES}
+ unless eval { ExtUtils::MakeMaker->VERSION('6.52') };
+
+system("pod2text lib/Class/C3.pm >README")
+ unless -f 'META.yml';
+
+WriteMakefile(%WriteMakefileArgs);
+
+# Secondary compile testing via ExtUtils::CBuilder
+sub can_xs {
+ # Do we have the configure_requires checker?
+ local $@;
+ eval "require ExtUtils::CBuilder;";
+ if ( $@ ) {
+ # They don't obey configure_requires, so it is
+ # someone old and delicate. Try to avoid hurting
+ # them by falling back to an older simpler test.
+ return can_cc();
+ }
+
+ return ExtUtils::CBuilder->new( quiet => 1 )->have_compiler;
+}
+
+# can we locate a (the) C compiler
+sub can_cc {
+ my @chunks = split(/ /, $Config::Config{cc}) or return;
+
+ # $Config{cc} may contain args; try to find out the program part
+ while (@chunks) {
+ return can_run("@chunks") || (pop(@chunks), next);
+ }
+
+ return;
+}
+
+# check if we can run some command
+sub can_run {
+ my ($cmd) = @_;
+
+ return $cmd if -x $cmd;
+ if (my $found_cmd = MM->maybe_command($cmd)) {
+ return $found_cmd;
+ }
+
+ for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') {
+ next if $dir eq '';
+ my $abs = File::Spec->catfile($dir, $cmd);
+ return $abs if (-x $abs or $abs = MM->maybe_command($abs));
+ }
+
+ return;
+}
+
+sub is_smoker {
+ return ( $ENV{AUTOMATED_TESTING} && ! $ENV{PERL5_CPANM_IS_RUNNING} && ! $ENV{RELEASE_TESTING} )
+}