build error with MKX11MOTIF=yes in mk.conf

[Christian Groessler <chris%groessler.org@localhost>]

Hi,

recent -current on amd64:

# cat /etc/mk.conf
MKCATPAGES=yes
MKCOMPAT=yes
MKCTF=yes
MKDEBUG=yes
MKDEBUGLIB=yes
MKDYNAMICROOT=no
MKOBJ=yes
MKOBJDIRS=yes
MKX11=yes
MKX11MOTIF=yes
TOOLDIR=/usr/tools
#

I'm getting

#    create  libGLw/GLwMDrawA.d
CC=/usr/tools/bin/x86_64--netbsd-gcc /usr/tools/bin/nbmkdep -f 
GLwMDrawA.d.tmp  --   -std=gnu99   --sysroot=/ -I/usr/pkg/include 
-DCSRG_BASED -DFUNCPROTO=15 -DNARROWPROTO -I/usr/X11R7/include 
-D__AMD64__     /usr/xsrc/external/mit/glw/dist/GLwMDrawA.c &&  mv -f 
GLwMDrawA.d.tmp GLwMDrawA.d
In file included from /usr/xsrc/external/mit/glw/dist/GLwMDrawA.c:41:0:
/usr/xsrc/external/mit/glw/dist/GLwDrawA.c:53:10: fatal error: 
Xm/PrimitiveP.h: No such file or directory
 #include <Xm/PrimitiveP.h>
          ^~~~~~~~~~~~~~~~~
compilation terminated.
nbmkdep: compile failed.
*** [GLwMDrawA.d] Error code 1

make[4]: stopped in /usr/src/external/mit/xorg/lib/libGLw
1 error

regards,
chris