Standard use commands in the order you may need them. downloadsrc : preload all necessary files in cache before compilation build : compile the distribution clean : erase build and log to recompile everything from scratch Optional gettoolchain : optionally load from ipfire.org a precompilated toolchain package. This solve some compilation issues on old or very recent distributions and save 20% of next full building time. If you want to use it, do it before build step Maintainer / advanced commands toolchain : Create our own toolchain package to save 20% of build time. shell : Enter a shell inside the chroot, used to tune lfs script and / or during kernel upgrade to rebuild a new .config Options: --target=[armv5tel|i586] : Cross-compile for this target architecture. Uses the QEMU emulator if needed to virtualise the desired target architecture. Can be permanently set with TARGET_ARCH= in .config.