These flags were added in this commit:
commit 58a04fbfec
Author: Motiejus Jakštys <motiejus@jakstys.lt>
Date: Tue Jun 15 09:10:15 2021 +0300
bump zig
I am still quite puzzled on why I did this and in such a commit: it
bumps the zig version and changes the linker flag.
Working alone, experimentation time? Probably something like this.
Anyhow, this is a good example of the real value of code reviews.
2f0ae4affa