pkg/53046: pkg x11/libdrm doesn't compile on GNU/Linux

[john%ziaspace.com@localhost]

>Number:         53046
>Category:       pkg
>Synopsis:       pkg x11/libdrm doesn't compile on GNU/Linux
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 21 18:50:00 +0000 2018
>Originator:     John Klos
>Release:        Ubuntu 16.04.3 LTS
>Organization:
	
>Environment:
	
	
System: Linux 4.4.0-109-generic #132-Ubuntu SMP Tue Jan 9 19:52:39 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Architecture: x86_64
Machine: x86_64
>Description:
	
Attempting to run pkg_rolling-replace when ffmpeg3 is installed fails in 
x11/libdrm with:
  CC       mm.lo
In file included from ../xf86atomic.h:61:0,
                 from intel_bufmgr_gem.c:42:
/usr/pkgsrc/x11/libdrm/work/.buildlink/include/atomic_ops.h:439:5: error: "AO_AO_TS_T" is not defined [-Werror=undef]
 #if AO_AO_TS_T && !defined(AO_HAVE_CLEAR)
     ^
cc1: some warnings being treated as errors
Makefile:748: recipe for target 'intel_bufmgr_gem.lo' failed
make[2]: *** [intel_bufmgr_gem.lo] Error 1

>How-To-Repeat:
	
>Fix:
	

>Unformatted: