! net/tigervnc (tigervnc-1.2.0_3) (missing header)

[AN]

FreeBSD FBSD10 10.0-CURRENT FreeBSD 10.0-CURRENT #78 r253966: Mon Aug  5 
14:42:05 CDT 2013     root at FBSD10:/usr/obj/usr/src/sys/MYKERNEL  amd64

net/tigervnc fails to update:

In file included from glxext.c:45:
glxext.h:47: warning: redundant redeclaration of 'GlxExtensionInit'
glxserver.h:88: warning: previous declaration of 'GlxExtensionInit' was 
here
glxext.c:221: warning: redundant redeclaration of '__glXSwapBarrierRes'
glxext.c:61: warning: previous declaration of '__glXSwapBarrierRes' was 
here
glxext.c: In function 'GlxExtensionInit':
glxext.c:350: warning: passing argument 2 of 'RegisterResourceName' 
discards qualifiers from pointer target type
glxext.c:351: warning: passing argument 2 of 'RegisterResourceName' 
discards qualifiers from pointer target type
glxext.c:352: warning: passing argument 2 of 'RegisterResourceName' 
discards qualifiers from pointer target type
glxext.c:388: warning: passing argument 1 of 'AddExtension' discards 
qualifiers from pointer target type
glxext.c:393: warning: passing argument 1 of 'AddExtensionAlias' discards 
qualifiers from pointer target type
   CC    glxdriswrast.o
In file included from glxdriswrast.c:39:
/usr/local/include/GL/internal/dri_interface.h:45:17: error: drm.h: No 
such file or directory
In file included from glxdriswrast.c:39:
/usr/local/include/GL/internal/dri_interface.h:312: error: expected 
declaration specifiers or '...' before 'drm_clip_rect_t'
/usr/local/include/GL/internal/dri_interface.h:314: error: expected 
declaration specifiers or '...' before 'drm_clip_rect_t'
/usr/local/include/GL/internal/dri_interface.h:368: error: expected 
declaration specifiers or '...' before 'drm_clip_rect_t'
/usr/local/include/GL/internal/dri_interface.h:607: error: expected 
declaration specifiers or '...' before 'drm_drawable_t'
/usr/local/include/GL/internal/dri_interface.h:615: error: expected 
declaration specifiers or '...' before 'drm_context_t'
In file included from ../include/scrnintstr.h:58,
                  from glxdriswrast.c:42:
../include/dix.h:518: warning: redundant redeclaration of 'ffs'
gmake[3]: *** [glxdriswrast.lo] Error 1
gmake[3]: Leaving directory 
`/usr/ports/net/tigervnc/work/tigervnc-1.2.0/unix/xserver/glx'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory 
`/usr/ports/net/tigervnc/work/tigervnc-1.2.0/unix/xserver'
*** Error code 2

Stop.
make[1]: stopped in /usr/ports/net/tigervnc
*** Error code 1

Stop.
make: stopped in /usr/ports/net/tigervnc
** Command failed [exit code 1]: /usr/bin/script -qa 
/tmp/portupgrade20130806-188-13speid env UPGRADE_TOOL=portupgrade 
UPGRADE_PORT=tigervnc-1.2.0_3 UPGRADE_PORT_VER=1.2.0_3 make
** Fix the problem and try again.
--->  Build of net/tigervnc ended at: Tue, 06 Aug 2013 13:28:04 -0500 
(consumed 00:02:13)
--->  Reinstallation of net/tigervnc ended at: Tue, 06 Aug 2013 13:28:04 
-0500 (consumed 00:02:13)
--->  ** Upgrade tasks 1: 0 done, 0 ignored, 0 skipped and 1 failed
--->  Listing the results (+:done / -:ignored / *:skipped / !:failed)
 	! net/tigervnc (tigervnc-1.2.0_3)	(missing header)