Hi all, I'm aware of this bug since more than a half year yet but did not found a good solution. I therefore still use avr-gcc 3.4.3. regards, Ole Reinhardt -- kernel concepts Tel: +49-271-771091-14 Dreisbachstr. 24 Fax: +49-271-771091-19 D-57250 Netphen E+ : +49-177-7420433 --