patch applied (ghc): Don't compile Cabal with -cpp -fffi

[Ian Lynagh]

Sat Jun 14 18:08:26 PDT 2008  Ian Lynagh <igloo at earth.li>
  * Don't compile Cabal with -cpp -fffi
  Instead rely on the sources having suitable pragmas

    M ./libraries/Makefile -2 +1

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080615010826-3fd76-38f73d31c4cb04b39b02e2a08a9e30c5d1faaa9e.gz