[CFT] Update of xorg libraries and MESA

[Niclas Zeising]

[Cross-posted between x11@ and ports@, please respect reply-to]

Hi!
It is time once again to update parts of the FreeBSD xorg stack, and the
x11@ team needs YOUR help in testing!

The attached patch, also available in the latest updated version at
http://people.freebsd.org/~zeising/xorg-mesaupdate.diff
updates various xorg related libraries and drivers, most of this is
visible for all users of xorg.
xorg-server now has the possibility to use devd instead of hal for
autoconfiguration.
It also updates the MESA stack (libGL, dri) and libdrm for users of the
new xorg stack (WITH_NEW_XORG=).
Last, but definitely not least, it enables KMS for ati graphics cards,
if you have the latest current, and compile with WITH_NEW_XORG=.

It also contains a shlib version bumb of pixman, and ports depending on
pixman.  Be aware of this when updating pixman.

Please test this on as many platforms and versions of FreeBSD as
possible, both the old and new stack, so that we can try to avoid any
regressions or other issues.  The plan is to have this in the ports tree
in a few weeks, at the most.

To use the patch, check out the ports tree, preferably using svn and
apply the patch using svn patch /path/to/patch.  It should be possible
to apply the patch using patch as well, but this is not tested.
After the patch is applied, recompile the updated ports.  See UPDATING
for further instructions regarding libGL, dri and pixman.  This is
important!

Please let us know of any issues, or if everything is working without a
hitch.

For more information, see https://wiki.freebsd.org/Graphics and
https://wiki.freebsd.org/Xorg , or come talk to us in
#freebsd-xorg at EFNet on IRC.

Regards!
-- 
Niclas Zeising
FreeBSD x11@ team
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