my $sources = (grep { -f $_ } glob "$componentdir/source/Sources.*")[0];
if (not defined $sources) {
print STDERR "No sources matching $componentdir/source/Sources.*\n" if $DEBUG;
my $sources = (grep { -f $_ } glob "$componentdir/source/Sources.*")[0];
if (not defined $sources) {
print STDERR "No sources matching $componentdir/source/Sources.*\n" if $DEBUG;