New comment by subsetpark on void-packages repository

https://github.com/void-linux/void-packages/pull/32644#issuecomment-910698278

Comment:
@ericonr unfortunately, I couldn't find a way to add that to CFLAGS in the makefile. I think I've reached the end of my abilities on this one; it gets into specifics of the build script. Hopefully the maintainer of the template understands better how to get this over the finish line.