Do I need to comment out that section, because if I do so, it gives error that VFP register arguments are being used but .elf file does not.

I'm getting the same error and when I searched for it, I found threads dating back to 2015 and no recent threads. In those, there was no FP support and I don't know about now if anyone did anything to add FP support. Also, I find this where it says t...