You have downloaded the GTK+ port of the wxWidgets GUI library.
-It is required to use at least GTK+ 2.4 and some features are
+It is required to use at least GTK+ 2.6 and some features are
only available when using GTK+ 2.8 or higher. Note that if you
compile wxWidgets against GTK+ 2.8 your app will still work
-with older GTK+ version down to version 2.4 as wxWidgets
+with older GTK+ version down to version 2.6 as wxWidgets
tests for the presence of newer features at run-time and it
will fall back to a generic implementation if these features
are not present in the GTK+ version used.
+wxWidgets 2.9.4 adds support for GTK+ 3, which can be enabled
+with configure option --with-gtk=3. Note that this port is
+still in development and may have significant bugs or missing
+features, and should be considered experimental.
+
wxWidgets 2.8 still supports GTK+ 1.2, but no developement
is done on that port anymore and support for GTK+ 1.2 will
probably be dropped entirely. Indeed, one of the major steps