The locale.t tests fail on OpenBSD because there is currently no support for LC_COLLATE. http://marc.info/?l=openbsd-misc&m=144698615023532&w=2 http://man.openbsd.org/setlocale Somewhat related, OpenBSD now has /usr/bin/locale, although that just means the logic here doesn't get used. https://perl5.git.perl.org/perl.git/blob/HEAD:/t/loc_tools.pl#l325 --- via perlbug: queue: perl5 status: open https://rt.perl.org/Ticket/Display.html?id=129953