patch applied (cabal): Add a unuque identifier for installed packages (part 6 of 9)

[Duncan Coutts]

Thu Aug  6 06:20:02 PDT 2009  Simon Marlow <marlowsd at gmail.com>
  * Add a unuque identifier for installed packages (part 6 of 9)
  Ignore-this: 80e560a4b659edd2ec9345aa57af862a
  
  Add libAbiHash, which extracts a String representing a hash of
  the ABI of a built library.  It can fail if the library has not
  yet been built.

    M ./Distribution/Simple/GHC.hs -5 +24

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20090806132002-12142-b1b1455f9f61ddfa9b3f17b34eb3b2ffe05dcc98.gz