Resolving dependencies...
Downloading hoopl-3.7.1.0...
Configuring hoopl-3.7.1.0...
Building hoopl-3.7.1.0...
Preprocessing library hoopl-3.7.1.0...

Compiler/Hoopl/Dataflow.hs:72:18:
    Could not find module `Compiler.Hoopl.GraphUtil'
    Perhaps you meant
      Compiler.Hoopl.Wrappers (needs flag -package hoopl-3.9.0.0)
    Use -v to see a list of the files searched for.
Failed to install hoopl-3.7.1.0
cabal: Error: some packages failed to install:
hoopl-3.7.1.0 failed during the building phase. The exception was:
ExitFailure 1