The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
#!perl

use File::Copy ();

if (-f "MapUTF.xs") {
    print STDERR "Disabling XSUB in sources...\n";

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

1;
__END__