Ref
Buildroot
http://free-electrons.com/training/buildroot
http://buildroot.org/downloads/manual/manual.html
systemd
https://zh.wikipedia.org/wiki/Systemd
kconfig
http://www.linuxjournal.com/article/6568
http://free-electrons.com/training/buildroot
http://buildroot.org/downloads/manual/manual.html
https://zh.wikipedia.org/wiki/Systemd
http://www.linuxjournal.com/article/6568