http://bugs.winehq.org/show_bug.cgi?id=13749
--- Comment #7 from Alexandre Julliard julliard@winehq.org 2008-06-08 09:55:26 --- wine-pthread is for platforms with NPTL or TLS, wine-kthread for those without. Only one of them can work on any given platform, that's why we have two of them.