Resolving dependencies...
Downloading jack-0.5...

/tmp/jack-0.5-30605/jack-0.5/dist/setup/setup.hs:4:8:
    Could not find module ‘Directory’
    Use -v to see a list of the files searched for.

/tmp/jack-0.5-30605/jack-0.5/dist/setup/setup.hs:5:8:
    Could not find module ‘Monad’
    Use -v to see a list of the files searched for.

/tmp/jack-0.5-30605/jack-0.5/dist/setup/setup.hs:6:8:
    Could not find module ‘System’
    Use -v to see a list of the files searched for.
Failed to install jack-0.5
cabal: Error: some packages failed to install:
jack-0.5 failed during the configure step. The exception was:
ExitFailure 1