*** setup configure

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

Setup.lhs:17:41:
    Couldn't match expected type `(Either
                                     Distribution.PackageDescription.GenericPackageDescription
                                     PackageDescription,
                                   Distribution.PackageDescription.HookedBuildInfo)'
           against inferred type `PackageDescription'
      Expected type: (Either
                        Distribution.PackageDescription.GenericPackageDescription
                        PackageDescription,
                      Distribution.PackageDescription.HookedBuildInfo)
                     -> (Either
                           Distribution.PackageDescription.GenericPackageDescription
                           PackageDescription,
                         Distribution.PackageDescription.HookedBuildInfo)
      Inferred type: PackageDescription -> PackageDescription
    In the second argument of `(.)', namely `addOptionalUnixDependency'
    In the `confHook' field of a record

Setup.lhs:23:46:
    Couldn't match expected type `Distribution.Package.PackageName'
           against inferred type `[Char]'
    In the first argument of `Dependency', namely `"unix"'
    In the first argument of `addDependency', namely
        `(Dependency "unix" AnyVersion)'
    In the expression:
        addDependency (Dependency "unix" AnyVersion) desc