Phil Edwards <phil@jaj.com> writes: > Here's upstream's position on using GraphViz: > > http://gcc.gnu.org/ml/gcc/2002-02/msg00946.html > > Find me a libre tool that produces output as nice as dot's, and that > Doxygen knows how to work with, and I'll use it. > > Yours truly, > Upstream ;-) But using GraphViz, even in this way, is not consistent with FSF policies--so it would be rather easy to force you to change it, theoretically speaking.