Build system is a computer that compiles various software and packs it the way easy installable on a remote system. Build system's architecture/OS is the same as slave's one. There is no cross-compilation ability. If you want to support multiple OSes, then use multiple build machines. [Build/skel] [Build/skelbin] [Build/skelpkg] [Build/Hooks] [Build/skelenv] [Build/Requirements] [Build/Distfiles] [Build/Tutorial]