[Tinyos-help] make telosb docs -- error

[Adam]

I already upgraded graphviz to version 2.8, but it still report this error.
How to deal with it? Thanks.

==========================================
nesc1: warning: DOC WARNING: your version of `dot' does not support
client-side

             image maps.  Upgrade to graphviz >= 1.8.8 to enable
             clickable wiring diagrams.

warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext
warning, language gif not recognized, use one of:
 dot canon plain plain-ext