Sorry, cannot build easily mesa git on fedora rawhide for x86_64 and x86. Some
dark kludge related to llvm blocked it (got some troubles with some "python
mako" stuff too). I would need to build manually a near whole devel graphic
stack on
the side with all SDK dependencies.

Have to wait for fedora to sort out their kludgy kludge llvm mess or pray for a
fedora recent mesa update with the above patch.

Leave that bug be. Once I have a reasonable way to test mesa git, I'll come
back. (hope the fedora guys will provide a mesa update before me finishing my
distro).