This good, and I’m glad you are sticking with it and yes, you are helping a lot. 
The first bunch of warnings are just warnings. The second shows you have reached the same point as @lukas who is trying to get this built for Windows. Here is his report, which has the same error as you, and see my reply immediately below his post:
If you can make sense of that have a go, though I know it might not be enough. I’m not at my laptop much today though so take a look and let me know where how far you get.