This module looks for Doxygen and the path to Graphviz’s dot

Doxygen is a documentation generation tool. Please see

This module accepts the following optional variables:

DOXYGEN_SKIP_DOT       = If true this module will skip trying to find Dot
                         (an optional component often used by Doxygen)

This modules defines the following variables:

DOXYGEN_EXECUTABLE     = The path to the doxygen command.
DOXYGEN_FOUND          = Was Doxygen found or not?
DOXYGEN_VERSION        = The version reported by doxygen --version
DOXYGEN_DOT_EXECUTABLE = The path to the dot program used by doxygen.
DOXYGEN_DOT_FOUND      = Was Dot found or not?
DOXYGEN_DOT_PATH       = The path to dot not including the executable