build.rs: FreeBSD support about shaderc-rs HOT 3 OPEN

Please at least do the libc++ thing, anything depending on unmodified shaderc-rs is literally unusable because the -lstdc++ linker argument makes everything blow up :(

from shaderc-rs.

Thanks for the comment. But I'm not familiar with FreeBSD and don't have a FreeBSD environment for developing to make sure everything functions properly. If you can send a pull request that would be awesome!

from shaderc-rs.

Well, there's the whole CLA thing. I don't remember if the CLA form requires lots of personal information still, but I can't even sign into the google account for my current email address because it insists on a phone number >_<

Anyway my previous comment is a bit wrong, there's actually no -lstdc++, just lack of -lc++.

You can get away with no testing, I have already tested the following very obvious changes: just treat "freebsd" exactly as "macos" in these three places:

from shaderc-rs.