I don't know if it can be of any help but if I ctrl-c the cli when the compiling hangs I get the following. Mutex unlock failure: Operation not permitted ^Cgmake[2]: *** Deleting file `kdcopview.cpp' gmake[2]: *** [kdcopview.cpp] Interrupt: 2 gmake[1]: *** [all-recursive] Interrupt: 2 gmake: *** [all] Interrupt: 2 /Leslie