phao/pong — pull request #1 by rohieb (2014-11-05 06:00:32+00:00)
Title: tell gcc not to complain about unused main() parameters

README.md says:
> This mode should only complain of the unused parameters in main, which seem to be required by SDL2, for some reason I still don't know.

FYI, here's how you tell gcc not to complain.