Mesa
  +/usr/X11R6/lib(64)?/modules/dri/updates/README.updates
  obsoletes "XFree86-Mesa-<targettype> xorg-x11-Mesa-<targettype>"
  provides  "XFree86-Mesa-<targettype> xorg-x11-Mesa-<targettype>"
Mesa-devel
  obsoletes "XFree86-Mesa-devel-<targettype> xorg-x11-Mesa-devel-<targettype>"
  provides  "XFree86-Mesa-devel-<targettype> xorg-x11-Mesa-devel-<targettype>"