pkg/50640: tigervnc fails to build

[bad%bsd.de@localhost]

>Number:         50640
>Category:       pkg
>Synopsis:       tiger vnc fails to build because of drm.h related redefinitions
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jan 10 19:45:00 +0000 2016
>Originator:     Christoph Badura
>Release:        NetBSD 6.1_STABLE pkgsrc from 2016-01-09
>Organization:
	
>Environment:
	
	
System: NetBSD size-isnt-everything 6.1_STABLE NetBSD 6.1_STABLE (thinkpad-500) #6: Wed Feb 11 19:35:21 MET 2015 bad@size-isnt-everything:/u/0/trees/src/netbsd-6/sys/arch/amd64/compile/thinkpad-500 amd64
Architecture: x86_64
Machine: amd64
Pkgsrc: pkgsrc from 2016-01-09
>Description:
	
  CC       glxdri2.lo
  In file included from glxdri2.c:36:0:
  /pkg_comp/obj/pkgsrc/net/tigervnc/default/.buildlink/include/GL/internal/dri_interface.h:46:22: error: redefinition of typedef 'drm_context_t'
  /pkg_comp/obj/pkgsrc/net/tigervnc/default/.buildlink/include/libdrm/drm.h:72:22: note: previous declaration of 'drm_context_t' was here
  /pkg_comp/obj/pkgsrc/net/tigervnc/default/.buildlink/include/GL/internal/dri_interface.h:47:22: error: redefinition of typedef 'drm_drawable_t'
  /pkg_comp/obj/pkgsrc/net/tigervnc/default/.buildlink/include/libdrm/drm.h:73:22: note: previous declaration of 'drm_drawable_t' was here
  /pkg_comp/obj/pkgsrc/net/tigervnc/default/.buildlink/include/GL/internal/dri_interface.h:48:30: error: redefinition of typedef 'drm_clip_rect_t'
  /pkg_comp/obj/pkgsrc/net/tigervnc/default/.buildlink/include/libdrm/drm.h:829:30: note: previous declaration of 'drm_clip_rect_t' was here
  Makefile:728: recipe for target 'glxdri2.lo' failed
  gmake[1]: *** [glxdri2.lo] Error 1

>How-To-Repeat:
	

NetBSD without x11 sets.

echo X11_TYPE=modular >>/etc/mk.conf
echo XAW_TYPE=3d >>/etc/mk.conf

cd net/tigervnc && make

>Fix:
	

>Unformatted: