patch applied (cabal): Don't build ghci lib if we're not making vanilla libs

[Duncan Coutts]

Fri Feb  6 09:39:14 PST 2009  Duncan Coutts <duncan at haskell.org>
  * Don't build ghci lib if we're not making vanilla libs
  As the .o files will not exist.

    M ./Distribution/Simple/GHC.hs -1 +1

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20090206173914-adfee-4fb92345ad3e1a97c781479ad08922db9209e3b1.gz