problems installing ns-allinone-2.1b4

[sundeep@cadence.com (Sundeep Singatwaria)]

I'm trying to install ns but 'm getting the following error message. The problem 
is with the makefile for "tests" target in the sgb dir.
Can somebody pls. let me know the fix.

Thanks
-sundeep


ar rc libtclcl.a Tcl.o Tcl2.o idlecallback.o iohandler.o timer.o rate-variable.o 
 tracedvar.o  embedded-tcl.o embedded-tk.o embedded-tclobj.o  
ranlib libtclcl.a
tclcl has been installed successfully.
mv Makefile Makefile.bak
imake -I/usr/openwin/lib/config
xgraph has been installed successfully. 
Making cweb
cc -g  -c  ctangle.c
cc -g -DCWEBINPUTS=\"/usr/local/lib/cweb\" -c common.c
cc -g -o ctangle ctangle.o common.o 
cc -g  -c  cweave.c
cc -g -o cweave cweave.o common.o
./install: test: ] missing