How to get doxygen to run faster?

Question

Doxygen is a bit slow - it takes about a couple of minutes to process my whole project, so for small incremental changes this is longer than actually building the rest of my

Answer 1

From Doxygen documentation:

How can I exclude all test directories from my directory tree?

Simply put an exclude pattern like this in the configuration file:

EXCLUDE_PATTERNS = /test/

So, you should be using patterns to exclude files. It's been a long time since I've used Doxygen, but i don't remember any option to process only changed files.