mxcl/homebrew — pull request #14001 by mhubig (2012-08-06 12:06:38+00:00)
Title: Updates the build fixnum to match xcode 4.4 clang.

Some haskell stuff like "haskell-platform" won't build if ghc was build with
clang. Setting the build fixnum to 421 forces the use of llvm to build ghc on
Mac OS X 10.8 (Mountain Lion) with XCode 4.4.

Signed-off-by: Markus Hubig