获取源码
$ wget -c http://www.busybox.net/downloads/busybox-1.23.2.tar.bz2
解压并进入源码目录
$ tar -jxvf busybox-1.23.2.tar.bz2
$ cd busybox-1.23.2/
配置
$ make menuconfig
Busybox Settings --->
Build Options --->
[ ] Build BusyBox as a static binary (no shared libs) (NEW)
(arm-none-linux-gnueabi-) Cross Compiler prefix
Installation Options ("make install" behavior) --->
(/nfs/rootfs) BusyBox installation prefix
Busybox Library Tuning --->
[*] Username completion
[*] Fancy shell prompts
Build BusyBox as a static binary没选：表示Busybox需要共享库的支持才能运行
Cross Compiler prefix：用于指定交叉编译工具的前缀
BusyBox installation prefix：用于指定Busybox的安装目录
Username completion、Fancy shell prompts：命令行提示符显示用户名和主机名
安装
$ make install
$ ls /nfs/rootfs
bin linuxrc sbin usr