This program should display an all-blue screen, but on buggy systems displays a red flicker at the top of the screen.
Bug is known to appear on a 2015 MacBook Air running MacOS 10.11.1.
- Install SDL2. The Makefile presumes it was installed using "brew". You might have to change paths in the Makefile if you install SDL2 another way.
- Run "make"
- Run "./a.out"