Resolving dependencies...
Downloading HRay-1.2.0...
Configuring HRay-1.2.0...
Building HRay-1.2.0...
Preprocessing executable 'HRay' for HRay-1.2.0...

dist/build/HRay/HRay-tmp/HRayParser.hs:18:8:
    Could not find module `Char'
    It is a member of the hidden package `haskell98-2.0.0.2'.
    Perhaps you need to add `haskell98' to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
Failed to install HRay-1.2.0
cabal: Error: some packages failed to install:
HRay-1.2.0 failed during the building phase. The exception was:
ExitFailure 1