libghc-gtk-dev 0.12.4-2 (amd64 binary) in ubuntu saucy

 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.
 This is the core library of the Gtk2Hs suite of libraries for Haskell based on
 Gtk+. Gtk+ is an extensive and mature multi-platform toolkit for creating
 graphical user interfaces.