haskell@gentoo.org Gentoo 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. Include definitions in this library that are considered obsolete. Depend on GIO package, thereby enabling certain features. Set the default file translation mode for file I/O operations to _O_BINARY.