Q) gtk-2.10.7 requires /usr/X11R6 yet?

[Yamada Ken Takeshi]

  Hello!
  I compiled /usr/ports/x11-toolkit/gtk20 with X11BASE=/usr/local, and got the following error.   Does it still need to live at /usr/X11R6?
  libXrender.la lives in /usr/local/lib.
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/bin/sh /usr/ports/x11-toolkits/gtk20/work/gnome-libtool --mode=link cc  -DG_DISABLE_DEPRECATED -O2 -fno-strict-aliasing -pipe -O2 -funroll-loops  -Wall  -L/usr/local/lib -L/usr/local/lib -o libgdk-x11-2.0.la  -version-info 1000:7:1000 -export-dynamic -rpath /usr/local/lib  -export-symbols-regex "^[^_].*" gdk.lo gdkcairo.lo gdkcolor.lo gdkcursor.lo gdkdisplay.lo gdkdnd.lo gdkdraw.lo gdkevents.lo gdkfont.lo gdkgc.lo gdkglobals.lo gdkkeys.lo gdkkeyuni.lo gdkimage.lo gdkdisplaymanager.lo gdkpango.lo gdkpixbuf-drawable.lo gdkpixbuf-render.lo gdkpixmap.lo gdkpolyreg-generic.lo gdkrgb.lo gdkrectangle.lo gdkregion-generic.lo gdkscreen.lo gdkselection.lo gdkvisual.lo gdkwindow.lo gdkenumtypes.lo x11/libgdk-x11.la -Wl,--rpath -Wl,/usr/local/lib -pthread -L/usr/local/lib -L/usr/X11R6/lib -lpangocairo-1.0 -lcairo -lpangoft2-1.0 -lfreetype -lz -lpango-1.0 -lm -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -liconv -lfontconfig -lXext -lXrender -lX11 -lXinerama -lXi -lXrandr -lXcursor -lXfixes -lm ../gdk-pixbuf/libgdk_pixbuf-2.0.la 
grep: /usr/X11R6/lib/libXrender.la: No such file or directory
sed: /usr/X11R6/lib/libXrender.la: No such file or directory
gnome-libtool: link: `/usr/X11R6/lib/libXrender.la' is not a valid libtool archive
gmake[4]: *** [libgdk-x11-2.0.la] Error 1
gmake[4]: Exit from Directory `/usr/ports/x11-toolkits/gtk20/work/gtk+-2.10.7/gdk'