Construction of a dot file from Makefile dependence specifications 
Transitive dependencies are removed.

Related software: dot, in the graphviz package 
                                
Author: JF Monin, Verimag and University Grenoble Alpes
        http://www-verimag.imag.fr/~monin/ 
Licence: CeCILL, http://www.cecill.info/index.en.html              
2005 - 2023

Install: you need OCaml

Default install dir : $(HOME)/bin
(otherwise: change the Makefile).

make
make install


Use: stdin -> dependot -> stdout
example: see Makefile, make check