Uh.... there is a GP2X version of C-Dogs SDL floating around on this site.
see: http://archive.gp2x.de/cgi-bin/cfiles.cgi?0,0,0,0,30,1470
and: http://www.freenetpages.co.uk/hp/drparker/gp2x.html
The author of the GP2X version (not me), from what I gather, has based it off C-Dogs SDL...