ForeignFunctionInterface, UnliftedFFITypes,
DeriveDataTypeable, GeneralizedNewtypeDeriving,
FlexibleInstances, StandaloneDeriving,
- PatternGuards, EmptyDataDecls
+ PatternGuards, EmptyDataDecls, NoImplicitPrelude
if impl(ghc < 6.10)
-- PatternSignatures was deprecated in 6.10