The Make Build System - RIOT-OS/RIOT GitHub Wiki
(content moved to https://guide.riot-os.org/build-system/build_system/ with https://github.com/RIOT-OS/RIOT/pull/21925)
(content moved to https://guide.riot-os.org/build-system/build_system/ with https://github.com/RIOT-OS/RIOT/pull/21925)