>>> Emerging (1 of 1) dev-haskell/x11-1.2.1 to /
 * ghc-6.6.1-src-extralibs.tar.bz2 MD5 ;-) ...                                                                                                      [ ok ]
 * ghc-6.6.1-src-extralibs.tar.bz2 RMD160 ;-) ...                                                                                                   [ ok ]
 * ghc-6.6.1-src-extralibs.tar.bz2 SHA1 ;-) ...                                                                                                     [ ok ]
 * ghc-6.6.1-src-extralibs.tar.bz2 SHA256 ;-) ...                                                                                                   [ ok ]
 * ghc-6.6.1-src-extralibs.tar.bz2 size ;-) ...                                                                                                     [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                                [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                               [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                              [ ok ]
 * checking ghc-6.6.1-src-extralibs.tar.bz2 ;-) ...                                                                                                 [ ok ]
>>> Unpacking source...
>>> Unpacking ghc-6.6.1-src-extralibs.tar.bz2 to /var/tmp/portage/dev-haskell/x11-1.2.1/work
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/dev-haskell/x11-1.2.1/work/ghc-6.6.1/libraries/X11 ...
 * Using Cabal-1.1.6.1.
[1 of 1] Compiling Main             ( /var/tmp/portage/dev-haskell/x11-1.2.1/work/ghc-6.6.1/libraries/X11/Setup.hs, /var/tmp/portage/dev-haskell/x11-1.2.1/work/ghc-6.6.1/libraries/X11/Setup.o )

/var/tmp/portage/dev-haskell/x11-1.2.1/work/ghc-6.6.1/libraries/X11/Setup.hs:17:30:
    Couldn't match expected type `UserHooks'
           against inferred type `Maybe UserHooks'
      Expected type: Hook a
      Inferred type: PackageDescription
                     -> LocalBuildInfo
                     -> Maybe UserHooks
                     -> BuildFlags
                     -> IO ()
    In the second argument of `($)', namely
        `buildHook defaultUserHooks'
    In the `buildHook' field of a record

!!! ERROR: dev-haskell/x11-1.2.1 failed.
Call stack:
  ebuild.sh, line 1621:   Called dyn_compile
  ebuild.sh, line 973:   Called qa_call 'src_compile'
  ebuild.sh, line 44:   Called src_compile
  ebuild.sh, line 1311:   Called haskell-cabal_src_compile
  haskell-cabal.eclass, line 216:   Called cabal_src_compile
  haskell-cabal.eclass, line 207:   Called cabal-bootstrap
  haskell-cabal.eclass, line 120:   Called die

!!! compiling /var/tmp/portage/dev-haskell/x11-1.2.1/work/ghc-6.6.1/libraries/X11/Setup.hs failed
!!! If you need support, post the topmost build error, and the call stack if relevant.
!!! A complete build log is located at '/var/tmp/portage/dev-haskell/x11-1.2.1/temp/build.log'.

!!! This ebuild is from an overlay: '/usr/local/portage'