Just a note of something trivial I spotted - build stage list is missing: Usage: ./build.sh TARGET [REBUILD_FROM_STAGE] Supported architectures: armv4eb armv4tl armv6l i586 m68k mips64 powerpc sh2eb sparc armv4l armv5l i486 i686 mips mipsel powerpc-440fp sh4 x86_64 Build stages: $STAGE