1、apt-get install update
apt-get install git-core
apt-get install g++
apt-get install libncurses5-dev
apt-get install zlib1g-dev
apt-get install bison
apt-get install flex
apt-get install unzip
apt-get install autoconf
apt-get install gawk
apt-get install make
apt-get install gettext
apt-get install gcc
apt-get install binutils
apt-get install patch
apt-get install bzip2
apt-get install libz-dev
apt-get install asciidoc
apt-get install subversion
2、Mkdir openwrt
Cd openwrt
Trunk版下载命令：svn co svn://svn.openwrt.org/openwrt/trunk/
Backfire下载命令：svn co svn://svn.openwrt.org/openwrt/branches/backfire/
(https://dev.openwrt.org.cn/wiki/branchstat
目前有三个分支，
1、Dreambox，基于openwrt 10.03.1制作，
2、SUN分支，针对ARM架构的嵌入式平台进行优化的分支，基于Dreambox分支制作，由Richard Nee维护。
3、pandorabox分支，基于OpenWrt 12.09制作。
1 获取OpenWrt-Dreambox Dreambox稳定版：
$svn co svn://svn.openwrt.org.cn/dreambox/branches/dreambox-EOL openwrt-dreambox
2 获取!Dreambox trunk开发版：
$ svn co svn://svn.openwrt.org.cn/dreambox/trunk openwrt-pandorabox
3 获取OpenWrt-Dreambox 针对嵌入式开发板的SUN分支：
$ svn co svn://svn.openwrt.org.cn/dreambox/branches/sun openwrt-dreambox
)
3、Cd Trunk或者Cd backfire
for njit: cp feed.conf.default feed.conf
vim feed.conf
添加：(来自https://github.com/liuqun/openwrt-clients/blob/master/feeds.conf)
src-svn njit https://github.com/liuqun/openwrt-clients/trunk/njit
src-svn hust https://github.com/liuqun/openwrt-clients/trunk/hust
src-svn gdou https://github.com/liuqun/openwrt-clients/trunk/gdou
src-svn sysu https://github.com/liuqun/openwrt-clients/trunk/sysu
./scripts/feeds update –a
./scripts/feeds install –a
4、(make defconfig)
make menuconfig
5、正式编译：make V=99
(make world V=99 编译全部)
6、编译完成后会出现bin文件夹，进去找你需要的BIN刷吧。