Resolving dependencies... Downloading hask-home-2006.3.23... [1 of 1] Compiling Main ( /tmp/hask-home-2006.3.23-7148/hask-home-2006.3.23/dist/setup/setup.hs, /tmp/hask-home-2006.3.23-7148/hask-home-2006.3.23/dist/setup/Main.o ) Linking /tmp/hask-home-2006.3.23-7148/hask-home-2006.3.23/dist/setup/setup ... Configuring hask-home-2006.3.23... Warning: No 'build-type' specified. If you do not need a custom Setup.hs or ./configure script then use 'build-type: Simple'. Building hask-home-2006.3.23... Preprocessing executable 'hask-home' for hask-home-2006.3.23... hask-home.hs:11:8: Ambiguous module name ‘Prelude’: it was found in multiple packages: base haskell98-2.0.0.3 hask-home.hs:12:8: Could not find module ‘System.Directory’ It is a member of the hidden package ‘directory-1.2.1.0’. Perhaps you need to add ‘directory’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. hask-home.hs:14:8: Could not find module ‘System.Cmd’ It is a member of the hidden package ‘process-1.2.0.0’. Perhaps you need to add ‘process’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. hask-home.hs:15:8: Could not find module ‘Text.Regex’ Perhaps you meant Text.Read (from base) Use -v to see a list of the files searched for. Failed to install hask-home-2006.3.23 cabal: Error: some packages failed to install: hask-home-2006.3.23 failed during the building phase. The exception was: ExitFailure 1