[Mesa-dev] [PATCH] glx: More hacking around versions of XCB that lack GLX_ARB_create_context support

[Laurent Carlier]

> From: Ian Romanick <ian.d.romanick at intel.com>
> 
> Detect whether a new enough version of XCB is installed at configure
> time.  If it is not, don't enable the extension and don't build the
> unit tests.
> 
> v2: Move the AM_CONDIATION outside the case-statement so that it is
> invoked even for non-GLX builds.  This prevents build failures with
> osmesa, for example.
> 

Works fine for me, thanks.