[PATCH weston 0/9] Finalise EGL/GL define(s) rework

[Emil Velikov]

Hi all,

This series depends on "EGL/GL definitions cleanup" and does a couple of 
things:
 - makes sure that we consistently use check_extension over strstr for 
extension checking, as the latter might trigger false positives.
 - The remainder of the fall-back definitions has been moved to 
weston-egl-ext.h and reused throughout the tree.

Hopefully I haven't lost my marbles with any of these. But if I did 
please, don't be shy and be blunt :-)

Emil