Resolving dependencies...
Downloading ghc-parser-0.1.6.0...
[1 of 1] Compiling Main             ( /tmp/ghc-parser-0.1.6.0-27402/ghc-parser-0.1.6.0/dist/setup/setup.hs, /tmp/ghc-parser-0.1.6.0-27402/ghc-parser-0.1.6.0/dist/setup/Main.o )

/tmp/ghc-parser-0.1.6.0-27402/ghc-parser-0.1.6.0/dist/setup/setup.hs:2:1: Warning:
    Module ‘System.Cmd’ is deprecated: Use "System.Process" instead
Linking /tmp/ghc-parser-0.1.6.0-27402/ghc-parser-0.1.6.0/dist/setup/setup ...
./build-parser.sh: line 9: cpphs: command not found
Configuring ghc-parser-0.1.6.0...
Warning: 'hs-source-dirs: src-7.8.3' directory does not exist.
setup: The program 'cpphs' is required but it could not be found.
Failed to install ghc-parser-0.1.6.0
cabal: Error: some packages failed to install:
ghc-parser-0.1.6.0 failed during the configure step. The exception was:
ExitFailure 1