[Haskell-cafe] missingH 0.18.6 - problems with cabal configure

[Andrew U. Frank]

when i run cabal i get an error message:
:~/haskellSources/packages/MissingH-0.18.6$ runhaskell Setup configure

Setup.hs:19:35:
    Couldn't match expected type `(Either
                                     GenericPackageDescription
PackageDescription,
                                   HookedBuildInfo)'
           against inferred type `PackageDescription'
    In the first argument of `(confHook defaultUserHooks)', namely
        `mydescrip'
    In the expression:
        let
          mydescrip = case os of
                        "mingw32" -> ...
                        _ -> ...
        in (confHook defaultUserHooks) mydescrip flags
    In the definition of `customConfHook':
        customConfHook descrip flags
                         = let mydescrip = ...
                           in (confHook defaultUserHooks) mydescrip
flags


what is wrong? i use ghc 6.8.2 and cabal 1.2.3.0

thanks for help!
andrew