Как установить wxHaskell?

module Main where
import Graphics.UI.WX
 
main :: IO ()
main
  = start hello
 
hello :: IO ()
hello
  = do f    <- frame    [text := "Hello!"]
       quit <- button f [text := "Quit", on command := close f]
       set f [layout := widget quit]

ghc-pkg list wx*

Скопировано файлов:         1.
Скопировано файлов:         1.
Скопировано файлов:         1.
- register packages
WARNING: cache is out of date: C:/Program Files/Haskell Platform/2011.4.0.0\lib\
package.conf.d\package.cache
  use 'ghc-pkg recache' to fix.
Reading package info from "C:\\\\ghc\\\\ghc-6.10.4\\\\wxhaskell-0.11.1.2\\bin\\w
xcore.pkg" ... done.
wxcore-0.11.1.2: missing id field
wxcore-0.11.1.2: dependency "base-4.1.0.0" doesn't exist (use --force to overrid
e)
wxcore-0.11.1.2: dependency "containers-0.2.0.1" doesn't exist (use --force to o
verride)
wxcore-0.11.1.2: dependency "haskell98-1.0.1.0" doesn't exist (use --force to ov
erride)
wxcore-0.11.1.2: dependency "filepath-1.1.0.2" doesn't exist (use --force to ove
rride)
wxcore-0.11.1.2: dependency "bytestring-0.9.1.4" doesn't exist (use --force to o
verride)
wxcore-0.11.1.2: dependency "stm-2.1.1.2" doesn't exist (use --force to override
)
WARNING: cache is out of date: C:/Program Files/Haskell Platform/2011.4.0.0\lib\
package.conf.d\package.cache
  use 'ghc-pkg recache' to fix.
Reading package info from "C:\\\\ghc\\\\ghc-6.10.4\\\\wxhaskell-0.11.1.2\\bin\\w
x.pkg" ... done.
wx-0.11.1.2: missing id field
wx-0.11.1.2: dependency "wxcore-0.11.1.2" doesn't exist (use --force to override
)
wx-0.11.1.2: dependency "stm-2.1.1.2" doesn't exist (use --force to override)
error:
  Unable to register the package using "ghc-pkg".
  Maybe you have an incompatible version of ghc installed?
 
Для продолжения нажмите любую клавишу . . .