Resolving dependencies... Downloading epic-0.1.7... /tmp/epic-0.1.7-9641/epic-0.1.7/Setup.hs:6:8: Could not find module `System' It is a member of the hidden package `haskell98-2.0.0.2'. Use -v to see a list of the files searched for. Failed to install epic-0.1.7 cabal: Error: some packages failed to install: epic-0.1.7 failed during the configure step. The exception was: ExitFailure 1