Hello, when compiling unix-compat I get this: 4 of 4] Compiling System.PosixCompat.Extensions ( dist/build/System/PosixCompat/Extensions.hs, dist/build/System/PosixCompat/Extensions.o ) cbits/HsUnixCompat.c: In function `unix_major': cbits/HsUnixCompat.c:4:0: warning: implicit declaration of function `major' cbits/HsUnixCompat.c: In function `unix_minor': cbits/HsUnixCompat.c:8:0: warning: implicit declaration of function `minor' cbits/HsUnixCompat.c: In function `unix_makedev': cbits/HsUnixCompat.c:12:0: warning: implicit declaration of function `makedev' /usr/gnu/bin/ar: creatin and an ghci -package gives me this: GHCi, version 6.10.4: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer ... linking ... done. Loading package base ... linking ... done. Loading package syb ... linking ... done. Loading package base-3.0.3.1 ... linking ... done. Loading package unix-2.3.2.0 ... linking ... done. ghc: /home/guenni/.cabal/lib/unix-compat-0.1.2.1/ghc-6.10.4/HSunix-compat-0.1.2.1.o: unknown symbol `major' Loading package unix-compat-0.1.2.1 ... linking ... ghc: unable to load package `unix-compat-0.1.2.1' How can I fix this? Günther