Changing to -lpthread in gthread-2.0.pc fixes the problem but I understand that this it not the correct fix? Owen, Havoc, care to spread any light over the issue? Regards, Mikael Hallendal -- Mikael Hallendal micke codefactory se CodeFactory AB http://www.codefactory.se/ Office: +46 (0)8 587 583 05 Cell: +46 (0)709 718 918