Hello,

I'm trying to use the doxygen tool with b2, and I have a few questions:

Looking at the JAM code it seems the logic is laid out for the tool to generate a "doxyfile" from any parameters given to the `doxygen` rule, then invoke the "doxygen" executable with that.

How can I invoke doxygen (that is, the `doxygen` rule, not the executable) to use an existing doxyfile, instead of generating it ?

Thanks,

-- 

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