Comment # 10 on bug 1140184 from Stakanov Schufter

(In reply to Wolfgang Bauer from comment #9)
> (In reply to Stakanov Schufter from comment #8)
> > Where can I force it to do this as "default" start settings, so to check if
> > all is ok on the long run?
> As I wrote earlier, you could add it to /etc/environment e.g., i.e. edit the
> file in a text editor (as root) and in this case add the line:
> MESA_EXTENSION_OVERRIDE="-GL_ATI_fragment_shader"
> 
> Or maybe add this line to ~/.profile:
> export MESA_EXTENSION_OVERRIDE="-GL_ATI_fragment_shader"
> (it will only affect your user account then)

Well, done. If I do not complain it simply works. If not you are going have me
reporting here again with backtrace. 

Thank you for the fast reply. Much appreciated.