Trying to cross-build the vector package I get:

ghc-stage1: panic! (the 'impossible' happened)
  (GHC version 7.7.20130123 for arm-unknown-nto-qnx):
        Cant do annotations without GHCi
    {Data/Vector/Fusion/Stream/Monadic.hs:104:19-33}
    base:GHC.Exts.ForceSpecConstr{d r2Qv}

This is because the source uses a feature that cannot be supported in cross-compilation. The problematic line, however, can easily be removed. It would be very useful to have a CPP macro defined by GHC that can be used to enable/disable these sorts of features.

--
Stephen Paul Weber, @singpolyma
See <http://singpolyma.net> for how I prefer to be contacted
edition right joseph

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