SConscript('state_trackers/glx/xlib/SConscript')
SConscript('state_trackers/dri/SConscript')
SConscript('state_trackers/xorg/SConscript')
+ SConscript('state_trackers/egl/SConscript')
+ SConscript('state_trackers/vega/SConscript')
if platform == 'windows':
SConscript('state_trackers/wgl/SConscript')