On 14 October 2011 16:47, JP Moresmau <jpmoresmau at gmail.com> wrote: > I must be doing something stupid, but what? Nothing stupid, you're just misinterpreting the value of __GLASGOW_HASKELL__. See: http://www.haskell.org/ghc/docs/latest/html/users_guide/version-numbering.html for the correct interpretation. Bas