[Q] How can I port CyanogenMod 12 for i9100? topic

Hello :D I heard CyanogenMod team does not supports CyanogenMod 12 for i9100...
So I want to port CyanogenMod 12. However, how can I port it?
Where is i9100's lollipop kernel sources (?)

I try to find "how to port rom" on XDA forum, but it always failed.
How can I port CyanogenMod 12 on i9100?

Thanks for reading my question! :D