pkg/50566: graphics/blender build fails on netbsd-7/amd64

[jdbaker%mylinuxisp.com@localhost]

>Number:         50566
>Category:       pkg
>Synopsis:       graphics/blender build fails on netbsd-7/amd64
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Dec 16 22:10:00 +0000 2015
>Originator:     John D. Baker
>Release:        NetBSD/amd64-7.0_STABLE, pkgsrc-HEAD (pre-pkgsrc-2015Q4)
>Organization:
>Environment:
NetBSD x3650.technoskunk.fur 7.0_STABLE NetBSD 7.0_STABLE (RACKMOUNT) #0: Fri Dec 11 14:34:13 CST 2015  sysop%x3650.technoskunk.fur@localhost:/r0/build/netbsd-7/obj/amd64/sys/arch/amd64/compile/RACKMOUNT amd64

>Description:
Attempting to build "graphics/blender" from pkgsrc-HEAD during the
freeze prior to the pkgsrc-2015Q4 branch fails as follows:

source/blender/python/generic/py_capi_utils.c:632:53: error: '_PyThreadState_Current' undeclared (first use in this function)
  return (((PyThreadState *)_Py_atomic_load_relaxed(&_PyThreadState_Current)) != NULL);
                                                     ^
source/blender/python/generic/py_capi_utils.c:632:53: note: each undeclared identifier is reported only once for each function it appears in
source/blender/python/generic/py_capi_utils.c:633:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
scons: *** [/tmp/pkgsrc/graphics/blender/work/build/netbsd6/source/blender/python/generic/py_capi_utils.o] Error 1
scons: building terminated because of errors.
*** Error code 2

Stop.
make[1]: stopped in /x/pkgsrc/graphics/blender
*** Error code 1

Stop.
make: stopped in /x/pkgsrc/graphics/blender

>How-To-Repeat:
See above.
>Fix: