*** setup configure

Creating setup (and its parents)
/usr/local/bin/ghc --make Setup.hs -o setup/setup -odir setup -hidir setup
[1 of 1] Compiling Main             ( Setup.hs, setup/Main.o )

Setup.hs:21:56:
    Couldn't match expected type `()' against inferred type `ExitCode'
      Expected type: IO ()
      Inferred type: IO ExitCode
    In the `runTests' field of a record
    In the first argument of `defaultMainWithHooks', namely
        `defaultUserHooks {runTests = runTestScript}'

*** Trying again with preferred-versions

*** setup configure

Creating setup (and its parents)
/usr/local/bin/ghc --make Setup.hs -o setup/setup -odir setup -hidir setup
[1 of 1] Compiling Main             ( Setup.hs, setup/Main.o )

Setup.hs:21:56:
    Couldn't match expected type `()' against inferred type `ExitCode'
      Expected type: IO ()
      Inferred type: IO ExitCode
    In the `runTests' field of a record
    In the first argument of `defaultMainWithHooks', namely
        `defaultUserHooks {runTests = runTestScript}'