There is an error in perl-5.8.7nb7, which was pulled up to the stable branch, that breaks binary compatibility with previous 5.8.x versions of perl. This has just been fixed in perl-5.8.7nb8 and a pullup has been requested for the stable branch. Sorry for any inconvenience this may have caused. Cheers, -- Johnny Lam <jlam@pkgsrc.org>