I get the following error when trying to run cabal install cabal-install I have installed the haskell platform from: http://www.haskell.org/platform/ for Mac OS X Lion. I want to run cabal install cabal-install so I can install quickcheck When trying to update, I get this erro. $ cabal install cabal-install Resolving dependencies... Configuring cabal-install-1.16.0... Building cabal-install-1.16.0