HELP r.in.poly

[mingham]

Help! I'm trying to compile r.in.poly. What's wrong? I ftped r.digit and r.in.poly from moon. This is the first stuff I've had to compile in Grass and r.digit compiled OK, but r.in.poly gave the following error message. 

---------------------------------------------------------------------
olmstead/ncri/grass4/src/raster/r.in.poly[11] gmake4.0
  SRC     = /ncri/grass4/src
  CMD     = /ncri/grass4/src/CMD
  HEADER  = head
  ARCH    = 
  GISBASE = /ncri/grass4
  VERSION = 4.0 Summer 1991
#################################################################
/ncri/grass4/src/raster/r.in.poly
  make -f OBJ/make.rules 

rm -f a.out
cc -s OBJ/main.o OBJ/poly2rast.o OBJ/raster.o OBJ/getformat.o OBJ/get_item.o /ncri/grass4/src/libes/LIB/libgis.a
ld: Undefined symbol 
   _G_plot_line2 
*** Error code 2
make: Fatal error: Command failed for target `/ncri/grass4/etc/bin/main/cmd/r.in.poly'
------------------------------------------------------------------------

Thanks,
Mary Ingham
Valdosta State College
mingham at grits.valdosta.peachnet.edu