title: Error when running cabal-install: ExitFailure 1 (Mac OS X lion)
body: <p>I get the following error when trying to run cabal install cabal-install
  I have installed the haskell platform from: <a href="http://www.haskell.org/platform/" rel="noreferrer">http://www.haskell.org/platform/</a> for Mac OS X Lion. I want to run cabal install cabal-install so I can install quickcheck</p>
  
  <p>When trying to update, I get this erro.</p>
  
  <pre><code>$ cabal install cabal-install
  Resolving dependencies...
  Configuring cabal-install-1.16.0...
  Building cabal-install-1.16.0...
  Preprocessing executable 'cabal' for cabal-install-1.16.0...
  &lt;command line&gt;: cannot satisfy -package-id HTTP-4000.2.3-d6c69f84aec25261a9a3f6946119d9d2
      (use -v for more information)
  cabal: Error: some packages failed to install:
  cabal-install-1.16.0 failed during the building phase. The exception was:
  ExitFailure 1
  </code></pre>