glx server extensions

[Bruno Scovoli Santos]

Hi,

I am having some difficulties with glx extensions.
The glxinfo says that I can account with the GLX_SGI_video_sync extension.
But when I compile programs with glXGetVideoSyncSGI and glXWaitVideoSyncSGI
calls, I get this error:

/tmp/ccN5zRfS.o: In function `draw_screen':
bosta8.c:(.text+0x7c0ee): undefined reference to `glXGetVideoSyncSGI'
bosta8.c:(.text+0x7c108): undefined reference to `glXWaitVideoSyncSGI'

My video is onboard (Intel i845) and, as I see in the "
http://www.intellinuxgraphics.com/download.html",
it should be already [properly] installed by Ubuntu (7.04).

Any suggestions?

PS.: I am suspecting that is about my glx server version (1.2), but where
can I get a newer one?
The client version is newer (1.4), and I get confused with this. Why mix a
client with a server
that does not implement the client extensions???

Thanks,

Bruno Scovoli Santos
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