This package can be installed as a regular R package.
In other words, the command
R CMD INSTALL RGtk2
On Windows, the user should set the environment variable GTK_PATH to the
location of the root directory of the GTK distribution (ie c:\GTK).
The binary version of this package for Windows can simply be installed
using the Windows R GUI.
In all cases (i.e. Unix or Windows, source or binary), you will need
to have the appropriate Gtk libraries.
For Windows, you can download the GTK Developer's Pack
For Unix, you can fetch the source files for the different
GTK makes extensive use of other libraries
and particular versions of these dependant libraries. As a result,
installing GTK (under Unix) can be a time consuming and apparently indirect
process that involves installing numerous sub-libraries.