
use File::Copy qw();

if (-f "Util.xsX") {
    print STDERR "Enabling XS in sources...\n";

    die "***** Failed, sources could be inconsistent! *****\n"
     unless File::Copy::move('MANIFEST',	'MANIFEST.N')
	and File::Copy::move('MANIFEST.X',	'MANIFEST')
	and File::Copy::move('Util.pm',		'Util.pmN')
	and File::Copy::move('Util.xsX',	'Util.xs')
	and File::Copy::move('Util.pmX',	'Util.pm');
}

