Problem DGA

Hello

I want to use dga

SO I do
export SDL_VIDEODRIVER=dga
and I execute my program but I have this error

Couldn’t initialize SDL: No available video device

I have XFree 4.1.0 from Mandrake 8.1 and I have dga extention
I can use it with optimum-1.0 example

Thanks for your help

A french user qui n’en veut…