Hi, some time ago running "perl Makefile.PL" introduced two new files integrated into the extension: inc/YAML/Tiny.pm inc/unicore/Name.pm Today, after upgrading Ubuntu from 14.04 to 14.10, which also upgrades Perl from 5.18.2 to 5.20.1, running "perl Makefile.PL" results in removing inc/unicore/Name.pm. Any idea why this happens? Chris