Resolving dependencies...
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-26729/hsc2hs-0.67.20061107/dist/setup/setup.hs, /tmp/cabal-tmp-26729/hsc2hs-0.67.20061107/dist/setup/Main.o )
Linking /tmp/cabal-tmp-26729/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:16:8:
    Could not find module ‘System.Cmd’
    It is a member of the hidden package ‘process-1.2.3.0@proce_FLTz0SLwyG6LJUpZ52HjkU’.
    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.

Main.hs:24:8:
    Could not find module ‘System.Directory’
    It is a member of the hidden package ‘directory-1.2.2.0@direc_KowvXytSqazBcvN7MGpFtg’.
    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.

Main.hs:32:8:
    Could not find module ‘System.Process’
    It is a member of the hidden package ‘process-1.2.3.0@proce_FLTz0SLwyG6LJUpZ52HjkU’.
    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