http://bugs.winehq.org/show_bug.cgi?id=4647
--- Comment #14 from Jesse Allen the3dfxdude@gmail.com 2007-08-29 16:30:19 --- Reply to comment 11 and 13: To use NPTL with slackware < 12.0, you must install the 2.6 kernel with 2.6 kernel headers, which is available with your 11.0 release.