Required extensions to build:
ipv6-KERNEL
readline-dev
perl5

Additional configure options:
  * --prefix=/usr/local
  * --sysconfdir=/usr/local/etc/quagga
  * --localstatedir=/usr/local/var/quagga
  * --enable-user=tc
  * --enable-group=staff
  * --enable-vty-group=staff
  * --enable-vtysh