To install the elements required to run UMLGraph, simply copy the contents of the lib directory to a location consistent with your installation's conventions (for example to /usr/local/lib).
To compile the Java doclet from the source code run ant on the build.xml file.
If you change the source code, you can run regression tests by executing ant test.
Visit the project's home page for more information.
Diomidis Spinellis - November 2005, August 2008, April 2012