I preso na instalação do wxHaskell no Windows XP SP3

Instalei MinGW, MSYS e wx-config

MinGW e MSYS com instalador

wx-config com adição do diretório à variável de ambiente WXWIN

e wxWigets com instalador

quando digito

cabal install wx 

di

generating: src/haskell/Graphics/UI/WXCore/WxcClassTypes.hs
reading class definitions:
parsing: src/include/wxc.h
parsing: src/include/wxc_types.h
parsing: src/include/wxc_glue.h
parsing: src/include/db.h
parsing: src/include/dragimage.h
parsing: src/include/graphicscontext.h
parsing: src/include/sound.h
parsing: src/include/managed.h
parsing: src/include/mediactrl.h
parsing: src/include/previewframe.h
parsing: src/include/printout.h
parsing: src/include/textstream.h
parsing: src/include/stc.h
parsing: src/include/stc_gen.h
generated 539 class definitions.
ok.
generating: src/haskell/Graphics/UI/WXCore/WxcClassInfo.hs
reading class definitions:
parsing: src/include/wxc.h
parsing: src/include/wxc_types.h
parsing: src/include/wxc_glue.h
parsing: src/include/db.h
parsing: src/include/dragimage.h
parsing: src/include/graphicscontext.h
parsing: src/include/sound.h
parsing: src/include/managed.h
parsing: src/include/mediactrl.h
parsing: src/include/previewframe.h
parsing: src/include/printout.h
parsing: src/include/textstream.h
parsing: src/include/stc.h
parsing: src/include/stc_gen.h
generated 381 class info definitions
ok.
parsing: src/include/wxc.h
parsing: src/include/wxc_types.h
parsing: src/include/wxc_glue.h
parsing: src/include/db.h
parsing: src/include/dragimage.h
parsing: src/include/graphicscontext.h
parsing: src/include/sound.h
parsing: src/include/managed.h
parsing: src/include/mediactrl.h
parsing: src/include/previewframe.h
parsing: src/include/printout.h
parsing: src/include/textstream.h
parsing: src/include/stc.h
parsing: src/include/stc_gen.h
ignore: parse error : //WXCOLORREF wxColour_GetPixel( TSelf(wxColour) _obj );
generating: src/haskell/Graphics/UI/WXCore/WxcClassesAL.hs
reading class definitions:
parsing: src/include/wxc.h
parsing: src/include/wxc_types.h
parsing: src/include/wxc_glue.h
parsing: src/include/db.h
parsing: src/include/dragimage.h
parsing: src/include/graphicscontext.h
parsing: src/include/sound.h
parsing: src/include/managed.h
parsing: src/include/mediactrl.h
parsing: src/include/previewframe.h
parsing: src/include/printout.h
parsing: src/include/textstream.h
parsing: src/include/stc.h
parsing: src/include/stc_gen.h
generated 1560 methods for 120 classes.
generating: src/haskell/Graphics/UI/WXCore/WxcClassesMZ.hs
generated 2184 methods for 123 classes.
generating: src/haskell/Graphics/UI/WXCore/WxcClasses.hs
generated 3744 total methods for 243 total classes.
ok.
parsing: src/eiffel/wxc_defs.e
parsing: src/eiffel/wx_defs.e
parsing: src/eiffel/stc.e
generating: src/haskell/Graphics/UI/WXCore/WxcDefs.hs
generated 2454 constant definitions
ok.

Please use the --prefix flag (as in wx-config --prefix=C:\wxWidgets)
or set the environment variable WXWIN (as in WXWIN=C:\wxWidgets)
to specify where is your installation of wxWidgets.
setup.exe: failed
cabal: Error: some packages failed to install:
wx-0.12.1.6 depends on wxcore-0.12.1.6 which failed to install.
wxcore-0.12.1.6 failed during the configure step. The exception was:
ExitFailure 1

help ~

obrigado