Resolving dependencies... Downloading hsc2hs-0.67.20061107... [1 of 1] Compiling Main ( /tmp/hsc2hs-0.67.20061107-13667/hsc2hs-0.67.20061107/Setup.hs, /tmp/hsc2hs-0.67.20061107-13667/hsc2hs-0.67.20061107/dist/setup/Main.o ) Linking /tmp/hsc2hs-0.67.20061107-13667/hsc2hs-0.67.20061107/dist/setup/setup ... Configuring hsc2hs-0.67.20061107... Warning: No 'build-type' specified. If you do not need a custom Setup.hs or ./configure script then use 'build-type: Simple'. Building hsc2hs-0.67.20061107... Preprocessing executable 'hsc2hs' for hsc2hs-0.67.20061107... Main.hs:32:8: Could not find module `System.Process' It is a member of the hidden package `process-1.1.0.2'. 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. Failed to install hsc2hs-0.67.20061107 cabal: Error: some packages failed to install: hsc2hs-0.67.20061107 failed during the building phase. The exception was: ExitFailure 1