You can take a look at https://news.ycombinator.com/item?id=46466073 in case there is a freelancer that is interested. Anyway, I expect most of them expect to earn more than $20+$20 unless it's a very short project.

You're in luck! OpenAI is running a sale. ChatGPT is only $20/month!

https://chatgpt.com/pricing/

If you want a human to do it for you, $20 won't even pay for the first line of the CMake file.