Just solved. The boost-thread does not exist on F-11. Took some time to spot this as the exit code shown at the end of the appropriate section is still 0. Maybe that should be made a little more obvious... Tim -- Tim Niemueller <tim@xxxxxxxxxxxxx> www.niemueller.de ================================================================= Imagination is more important than knowledge. (Albert Einstein) -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel