[Haskell-cafe] using/building ghc head?

[Johannes Waldmann]

Hi. I wanted to do some experiments with GHC Head but

* I cannot use the snapshot bindist:

./configure --prefix=/opt
checking for path to top of build tree... ./configure: line 2138:
utils/ghc-pwd/dist-install/build/tmp/ghc-pwd-bindist: No such file or directory

* I cannot compile snapshot from source (with ghc-7.6.1)

  utils/haddock/src/Haddock/Convert.hs:201:42:
    Not in scope: data constructor `HsBang'

this is for ghc-7.7.20121213 (date Dec 21), 
which is the latest snapshot according to
http://www.haskell.org/ghc/dist/current/dist/

what am I missing? - J.W.