Resolving dependencies... Downloading WordNet-0.1.1... Configuring WordNet-0.1.1... Warning: Instead of 'ghc-options: -cpp' use 'extensions: CPP' Building WordNet-0.1.1... Preprocessing library WordNet-0.1.1... on the commandline: Warning: -fglasgow-exts is deprecated: Use individual extensions instead NLP/WordNet.hs:65:8: Could not find module ‘Data.Array’ It is a member of the hidden package ‘array-0.5.1.0@array_E0sTtauuKsGDLZoT7lTbgZ’. Perhaps you need to add ‘array’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. NLP/WordNet.hs:67:8: Could not find module ‘GHC.Handle’ Perhaps you meant GHC.IO.Handle (from base-4.8.1.0) Use -v to see a list of the files searched for. NLP/WordNet.hs:68:8: Could not find module ‘Data.Tree’ It is a member of the hidden package ‘containers-0.5.6.2@conta_LKCPrTJwOTOLk4OU37YmeN’. Perhaps you need to add ‘containers’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. NLP/WordNet.hs:71:18: Could not find module ‘Data.Set’ It is a member of the hidden package ‘containers-0.5.6.2@conta_LKCPrTJwOTOLk4OU37YmeN’. Perhaps you need to add ‘containers’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. Failed to install WordNet-0.1.1 cabal: Error: some packages failed to install: WordNet-0.1.1 failed during the building phase. The exception was: ExitFailure 1