~/Haskell/bin/ghc +RTS -N2 -RTS -hidir ../build/ -odir ../build/ -threaded -package ghc -main-is Shell --make Shell -DCALLCONV=ccall

[4 of 4] Compiling Shell            ( Shell.hs, ../build/Shell.o )

Linking Shell ...

ld: atom sorting error for _ghczm6zi10zi0zi20080927_LibFFI_Czuffizutype_closure_tbl and _ghczm6zi10zi0zi20080927_LibFFI_Czuffizucif_closure_tbl in /Users/humasect/Haskell/lib/ghc-6.10.0.20080927/ghc-6.10.0.20080927/libHSghc-6.10.0.20080927.a(LibFFI.o)

ld: atom sorting error for _ghczm6zi10zi0zi20080927_LibFFI_Czuffizutype_closure_tbl and _ghczm6zi10zi0zi20080927_LibFFI_Czuffizucif_closure_tbl in /Users/humasect/Haskell/lib/ghc-6.10.0.20080927/ghc-6.10.0.20080927/libHSghc-6.10.0.20080927.a(LibFFI.o)

When linking with new GHC api after converting this shell to use it (http://hackage.haskell.org/trac/ghc/wiki/GhcApiStatus)

-lyndon