You can start with a base linaro or ubuntu armhf rootfs like this: https://wiki.linaro.org/Platform/DevPlatform/Rootfs or this: http://cdimage.ubuntu.com/ubuntu-core/releases/13.10/release/
Once you untar them you can use apt-get to install more packages. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.