[patch] Use dlsym instead of glXGetProcAddress in xdriinfo

[Christoph Hellwig]

On Tue, Nov 22, 2005 at 09:37:35AM -0800, Eric Anholt wrote:
> Because someone builds and installs Xorg, then installs the nvidia
> driver, then goes to upgrade Xorg at a later date, and the build of the
> apps (since we've got the monolithic build split into apps, libs,
> servers) fails.  This won't even go away with modular since we'd still
> expect xdriinfo to be built and installed by an xorg metapackage.
> 
> The alternative would be for the user to set a flag telling the
> metapackage that they've got nvidia installed so don't build xdriinfo.
> That's not very nice.

Umm, so they shouldn'tg install nvidias libGL.  The modular X clearly
depends on mesa as libGL.  Maybe this problem should be documented more
cleanly so people are aware what mess they cause by blindly installing
another libGL.