Here is guide for compiling your customized kernel for cubietruck(cubieboard3). Cubieteam is maintaining a linux kernel forked from linux-sunxi, the latest kerenl for cubietruck(cubieboard3) can be get from http://github.com/cubieboard2/linux-sunxi.

$git clone http://github.com/cubieboard2/linux-sunxi.git
$cd linux-sunxi
$git checkout -b cubietruck-dev origin/cubietruck-dev

$cp arch/arm/configs/cubietruck_defconfig .config
$make ARCH=arm menuconfig
--->here we enter the NCURSE gui, and make some customizing
$make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage modules