> > $ ghc -ffi -o myprog Main.hs cfile.o > When I try this I also get an error: martin:~/work/prograemmelchen> ghc -ffi -o myprog Main.hs cfile.o ghc-5.02.2: unrecognised flag: -ffi Usage: For basic information, try the `--help' option. Do I use a wrong GHC version? THX, Martin.