OpenWrt编译错误

源码地址:

https://github.com/openwrt-mirror/openwrt.git

错误信息:

/home/ubuntu/openwrt/staging_dir/host/bin/md5sum: write error

Could not generate md5sum
make[3]: *** [/home/ubuntu/openwrt/dl/linux-3.10.49.tar.xz] Error 255
make[3]: Leaving directory `/home/ubuntu/openwrt/toolchain/kernel-headers'
make[2]: *** [toolchain/kernel-headers/prepare] Error 2
make[2]: Leaving directory `/home/ubuntu/openwrt'
make[1]: *** [/home/ubuntu/openwrt/staging_dir/toolchain-mips_34kc_gcc-4.8-linar                                            o_uClibc-0.9.33.2/stamp/.toolchain_install] Error 2
make[1]: Leaving directory `/home/ubuntu/openwrt'
make: *** [world] Error 2

编译环境:

ubuntu 12.04  

解决方法: