cd /usr/src && ./build.sh -m sparc64 \ -O /usr/obj.sparc64 -T /usr/tools.sparc64 \ tools cd /usr/src && ./build.sh -u -m sparc64 \ -O /usr/obj.sparc64 -T /usr/tools.sparc64 \ kernel=GENERIC FWIW, you can run these at the same time. just say "tools kernel=GENERIC" or any other list of valid commands..