build flow:

1. setting your tool chain:
export PATH=~/Your_Toolchain_PATH/:$PATH
for example /alps/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.7/bin

2. build command:
kernel
======
1. $cd android directory
2. $./mk x2to n k

======
Contact Lenovo support for information on obtaining Open Source code.




