[Haskell-iPhone] GHC as a cross-compiler

Hello all, I'm interested in getting a GHC cross-compiler going for the new QNX-based BlackBerry 10 OS launching in the new year, but the documentation on GHC as cross-compiler http://hackage.haskell.org/trac/ghc/wiki/CrossCompilation is pretty sparse and contradictory. You guys seem to be doing it. How complex is it? Where should I start looking for information about the configuration I'll need in the build system, etc? Do I need to know a lot about autotools hacking to get anywhere? Thanks, -- Stephen Paul Weber, @singpolyma See http://singpolyma.net for how I prefer to be contacted edition right joseph