Resolving dependencies... Downloading PlslTools-0.0.2... Configuring PlslTools-0.0.2... Building PlslTools-0.0.2... Preprocessing executable 'PlslLint' for PlslTools-0.0.2... plsl_lint/Main.hs:1:1: Ambiguous module name `Prelude': it was found in multiple packages: base haskell98-2.0.0.2 Failed to install PlslTools-0.0.2 cabal: Error: some packages failed to install: PlslTools-0.0.2 failed during the building phase. The exception was: ExitFailure 1