xf86-video-ati (git version 95f5d0..) fails to build with the following error:
----
radeon_kms.c: In function 'redisplay_dirty':
radeon_kms.c:290:2: error: too many arguments to function 'PixmapSyncDirtyHelper'
  PixmapSyncDirtyHelper(dirty, &pixregion);
  ^
In file included from /usr/include/xorg/gc.h:54:0,
                 from /usr/include/xorg/dix.h:51,
                 from /usr/include/xorg/privates.h:151,
                 from /usr/include/xorg/cursor.h:53,
                 from /usr/include/xorg/scrnintstr.h:53,
                 from /usr/include/xorg/xf86str.h:39,
                 from radeon.h:46,
                 from radeon_kms.c:34:
/usr/include/xorg/pixmap.h:131:1: note: declared here
 PixmapSyncDirtyHelper(PixmapDirtyUpdatePtr dirty);
 ^
Makefile:648: recipe for target 'radeon_kms.lo' failed
make[2]: *** [radeon_kms.lo] Error 1
make[2]: Leaving directory '/home/jos/src/xorg/git/xf86-video-ati/src'
Makefile:442: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/jos/src/xorg/git/xf86-video-ati'
Makefile:373: recipe for target 'all' failed
make: *** [all] Error 2
----