[Gtk2hs-users] Problem Cabal-installing Gtk2hs

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Hi,

I've (apparently) successfully installed gtk2hs-buildtools, glib, gio,
pango and cairo, using Cabal, but when I run cabal install gtk, I am
unable to get past the following error message:

Graphics/UI/Gtk/Printing/PrintSettings.chs:1013:2:
    Not in scope: `printSettingsGetScale'

Graphics/UI/Gtk/Printing/PrintSettings.chs:1014:2:
    Not in scope: `printSettingsSetScale'

Graphics/UI/Gtk/Printing/PrintSettings.chs:1019:2:
    Not in scope: `printSettingsGetPrintPages'

Graphics/UI/Gtk/Printing/PrintSettings.chs:1020:2:
    Not in scope: `printSettingsSetPrintPages'
cabal: Error: some packages failed to install:
gtk-0.12.1 failed during the building phase. The exception was:
ExitFailure 1

I believe I have libgtk2.0 installed at version 2.12. From Googling
the Haskell sources it seems I need v2.1+ of Gtk for the printing
APIs, if I'm understanding the comment correctly (so I should be ok).

Any pointers/suggestions welcome.  I'm using GHC 6.12.1.

many thanks
Roly