Hi ! Did you rm -rf /usr/include and then forgotten to mkdir /usr/include ? Well, bingo, that's the point for his issue. Maybe reflect that in UPDATING ? Cheers Peter -- <peter.kadau at xxxxxxxxxxxxxxxx> Campus der Max-Planck-Institute Tübingen Netzwerk- und Systemadministration Tel: +49 7071 601 598 Fax: +49 7071 601 616