1. apt install required paackages
$ sudo apt update
$ sudo apt install doxygen dia graphviz
2. generate the Doxyfile
$ cd [SOME_PATH]
$ doxygen -g
3. edit the Doxyfile
OUTPUT_DIRECTORY = [YOUR_OUTPUT_DIRECTORY]
INPUT = [YOUR_SOURCE_CODE]
RECURSIVE = YES
EXTRACT_ALL = YES
EXTRACT_PRIVATE = YES
EXTRACT_STATIC = YES
CLASS_DIAGRAMS = YES
DIA_PATH = /usr/bin/dia
HAVE_DOT = YES
CLASS_GRAPH = YES
COLLABORATION_GRAPH = YES
4. run doxygen
$ doxygen [YOUR_Doxyfile]
5. result examlple
