cabal configure
Resolving dependencies...
  [intel-aes] Running Setup.hs...
Configuring intel-aes-0.2.0.0...
  [intel-aes] Extra libraries initially: [["intel_aes"]]
  [intel-aes] Stripped extra libraries to: [[]]
  [intel-aes] Determined install dir to be: "/home/jos/.cabal/lib/intel-aes-0.2.0.0/ghc-7.2.1"
  [intel-aes] Recorded install dir in ".temp.install_dir.txt"
  [intel-aes] Modified package description structure with extra options.
cabal build
  [intel-aes] Running Setup.hs...

================================================================================
  [intel-aes] Using prebuilt dynamic library: ./cbits/prebuilt/libintel_aes_linux_x86_64.so
  [intel-aes] Done copying into position: ./cbits/libintel_aes.so
================================================================================

  [intel-aes] Build action started.
  [intel-aes] Determined install dir to be: "/home/jos/.cabal/lib/intel-aes-0.2.0.0/ghc-7.2.1"
  [intel-aes] Recorded install dir in ".temp.install_dir.txt"
  [intel-aes] Modified package description structure with extra options.
Building intel-aes-0.2.0.0...
Preprocessing library intel-aes-0.2.0.0...

Implicit import declaration:
    Ambiguous module name `Prelude':
      it was found in multiple packages: base haskell98-2.0.0.0
make: *** [all] Error 1