xfig error with ports

[Hongxing Song]

===>  Building for xfig-3.2.4_3
rm -f e_compound.o
cc -c -O -pipe -march=athlon-xp      -I/usr/local/include 
-I/usr/local/include/libpng -I/usr/X11R6/include/X11 
-I/usr/X11R6/include/X11/Xaw3d -I/usr/X11R6/include    -DCSRG_BASED  
-DFUNCPROTO=15 -DNARROWPROTO                               -DUSE_INLINE 
-DUSE_XPM -DXAW3D             -DUSE_JPEG -DI18N              
-DWHEELMOUSE    e_compound.c
In file included from e_compund.c:30:
figx.h:39:27:X11/Xaw3d/Tip.h: No such file or directory
*** Error code 1

Stop in /usr/ports/graphics/xfig/work/xfig.3.2.4.
*** Error code 1

Stop in /usr/ports/graphics/xfig.