> > Binary pkg Xrender-0.8.3nb1 contains the file
> > include/X11/extensions/Xrender.h
> > which contains the line
> > #include <X11/extensions/render.h>
> > 
> > The file render.h is nowhere to be found.  :-(
> > 
> [ascent ~]$ pkg_info -f x11-links | grep render.h
>          File: share/x11-links/include/X11/extensions/Xrender.h
>          File: share/x11-links/include/X11/extensions/render.h
>          File: share/x11-links/include/freetype2/freetype/ftrender.h
> 
> Try installing x11-links from pkgsrc. Otherwise, if the detection fails, 
> send-pr Xrender.
> 
> Wouter

I looked at the binary x11-links pkg and it is just a bunch of symlinks
and doesn't include one for render.h.  (Didn't try the pkgsrc version.)
Poking around a bit more, I found the actual render.h file in
the binary render-0.8 pkg.