build_all > ./build.log 2>&1
elif [ "$1" = "chroot" ]; then
build_in_chroot > ./build_in_chroot.log 2>&1
elif [ "$1" = "uboot" ]; then
build_all > ./build.log 2>&1
elif [ "$1" = "chroot" ]; then
build_in_chroot > ./build_in_chroot.log 2>&1
elif [ "$1" = "uboot" ]; then