Here is a package of stuff you need to get started developing for the Wiz under Linux. It is derived from Open2x.

Copy the config file as .config into a crosstool-ng 1.2.4 setup and build the toolchain with that. Then run the library build script.

It isn’t very well tested yet, but if your stuff builds with this it will probably work on an OpenWiz FW.

http://www.gp32x.com/board/index.php?showtopic=45760