AOSP is a complex codebase with a fairly complex build system. On this page we give some links to documents explaining how to get things done in short, concise, solution-based topics
Using AOSP
The AOSP and AAOS Projects pages describe how to set up a build server and build stock AOSP for the emulator, VIM3 and Raspberry Pi boards: https://aospandaaos.github.io/projects.html