+BEGIN {
+ eval { require Config };
+ die 'OS unsupported' if $@;
+ Config->import(qw/%Config/);
+}
+
+my @DEFINES;
+my $pl = $Config{perl_patchlevel};
+print "Checking perl patchlevel... ";
+if (defined $pl && length $pl) {
+ $pl = int $pl;
+ push @DEFINES, DEFINE => '-DVMG_PERL_PATCHLEVEL=' . $pl;
+ print $pl, "\n";
+} else {
+ print "none\n";
+}
+
+my $BUILD_REQUIRES = {
+ 'Config' => 0,
+ 'ExtUtils::MakeMaker' => 0,
+ 'Test::More' => 0,
+};
+
+sub build_req {
+ my $tometa = ' >> $(DISTVNAME)/META.yml;';
+ my $build_req = 'echo "build_requires:" ' . $tometa;
+ foreach my $mod ( sort { lc $a cmp lc $b } keys %$BUILD_REQUIRES ) {
+ my $ver = $BUILD_REQUIRES->{$mod};
+ $build_req .= sprintf 'echo " %-30s %s" %s', "$mod:", $ver, $tometa;
+ }
+ return $build_req;
+}
+