Installation problem

[Rafael Berenguer Vidal <berenguer@usa.net>]

  Hi, everyone:

    I am trying to install the latest release ns-2.1b5 on HP-UX Version
11 Release 5.
When I tried to build the sgb, I got an error like:


Making sgb
        ./test_io
OK, the gb_io routines seem to work!
        ./test_graph
....................................................................................................Hey,
I allocated 10000000 bytes successfully. Terrific...
OK, the gb_graph routines seem to work!
        ./test_flip
OK, the gb_flip routines seem to work!
        make gb_sort.o
`gb_sort.o' is up to date.
        make lib
        make test_sample
`test_sample' is up to date.
         ./test_sample > sample.out
/usr/lib/dld.sl: Unresolved symbol: r_graph (code)  from ./test_sample
sh: 29457 Abort(coredump)
*** Error exit code 134 (ignored)
        diff test.gb test.correct
diff: input file test.gb: No such file or directory
*** Error exit code 2

Stop.
Unable to create sgb library. Continuing..



Could anyone give me some advice on that? Thanks in advance.

Rafael Berenguer