Adding cruise control to 2009 5 door manual

[Dwarf8]

Hi,
Looking to add cruise control to the Yaris.
I will be going on an 8,000 km (5,000 mile) jaunt this summer so it will make life easier.

I have seen it's really easy for the automatic.
What are the hurdles for a manual?
What is a good parts source?

Can I get parts from another Toyota (or other) in a scrap yard to make it easier?
It looks like I would have to drill a hole in the steering wheel cover to allow for the stalk. Is there another way to go?
Thanks in advance.