7.0 configure of xdriinfo

[Brian Paul]

Eric Anholt wrote:
> On Fri, 2006-01-13 at 17:08 +0100, Matthias Hopf wrote:
> 
>>The configure script for xdriinfo checks for glXGetProcAddress. This is
>>only part of the not-yet released GLX 1.4 spec. Up to GLX 1.3 only
>>glXGetProcAddressARB is available.
>>
>>This basically forbids building xdriinfo on systems with the proprietary
>>nvidia driver (+ libGL) installed. I changed this to
>>glXGetProcAddressARB, as it is supported in Mesa as well, and even Mesa
>>uses it internally more likely (e.g. in glut) than the GLX 1.4 function.
>>
>>Any objections?
> 
> 
> If you don't define GLX_GLXEXT_LEGACY before including GL headers, you
> won't get the prototype on DRI machines, and as a result the app will
> segfault on amd64 due to the guessed prototype being wrong.

If you don't define GLX_GLXEXT_LEGACY you should be getting the 
declarations that are in glxext.h - that's generally what you want.

To get prototypes, you must #define GLX_GLXEXT_PROTOTYPES first.


> Other than that, I should have committed the diff right after the
> freeze :/

-Brian