[Tinyos-help] "tos-check-env" problems

[Raj P]

Hi all,
    I installed for the tinyos for the first time in LInux. Everything was
completed fine. I found latest Graphviz version 2.12.1, and installed
properly.
    when I say "tos-check-env", it gives an warning message that " the
current version of Graphviz is not 1.10, please update it inorder to access
the nesc documention...........................",
along with one more warning message that "WARNING: CLASSPATH may not include
'.' (that is, the symbol for the current working directory). Please add '.'
to your CLASSPATH or you may experience configuration problems." I have
checked and I do have '.' " <http://www.tinyos.net/faq.html#SEC-81>

I had only the above two warning messages and final statement was
"tos-check-env completed with errors"
my doubts were
1. why the tinyos 2.0 is not working with latest graphviz (as I didn't find
graphviz 1.10 for linux)
2. In FAQ they mentioned that warning for classpath is a bug (for tinyos 1.0,
but I am getting in tinyos2.0 ) and we can ignore it.
            whats wrong........... please help me...............
                     thanks in advance,
                                                      -Raj
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