Resolving dependencies...
Downloading hapstone-0.2.0.1...
cabal: Entering directory '/tmp/cabal-tmp-3596/hapstone-0.2.0.1'
Configuring hapstone-0.2.0.1...
cabal: The program 'c2hs' is required but it could not be found.
cabal: Leaving directory '/tmp/cabal-tmp-3596/hapstone-0.2.0.1'
Failed to install hapstone-0.2.0.1
cabal: Error: some packages failed to install:
hapstone-0.2.0.1 failed during the configure step. The exception was:
ExitFailure 1