Problems encountered when compiling pec2017.

I am compiling spec2017 and I have encountered some problems. Could you help me please? Thank you very much.
My questions are here.

https://stackoverflow.com/questions/68343829/how-should-spec2017-set-the-compilation-options
https://stackoverflow.com/questions/68015434/confusion-about-spec2017/68021665#68021665
