my $uulineno = -1;
my @muses = ();
while (my $mline = <MK>) {
if ($uulineno == -1 && $mline =~ /^USE_/) {
if ($uulineno == -1 && $mline =~ /^USE_/ && $mline !~ /^USE_GITHUB/) {
$uulineno = $.;
}
if ($mline =~ /^USES[?+]?=\s*(.*)/) {