make[2]: Entering directory '/old/home/robclark/xorg/driver/xf86-video-armsoc/src'
  CC       armsoc_dumb.lo
In file included from /home/robclark/xorg-build/include/xorg/misc.h:115:0,
                 from /home/robclark/xorg-build/include/xorg/xf86str.h:37,
                 from /home/robclark/xorg-build/include/xorg/xf86.h:44,
                 from armsoc_dumb.c:30:
/home/robclark/xorg-build/include/xorg/os.h:541:2: error: expected identifier or '(' before '__extension__'
 strndup(const char *str, size_t n);
  ^
Makefile:496: recipe for target 'armsoc_dumb.lo' failed

Signed-off-by: Rob Clark <robdclark@gmail.com>