Describe the bug

ttfautohint throws lots of c++ errors when building iosevka on macos

This is on a 2021 M1 Max Macbook Pro

Steps To Reproduce

Steps to reproduce the behavior:

1. Use this shell.nix

with import <nixpkgs> {};

mkShell {
  buildInputs = [
    iosevka
  ];
}

2. run nix-shell
3. c++ errors will occur: https://gist.github.com/Sciencentistguy/735905199ae8a03b62cd0b1f6d158d3c

Expected behavior

It should not error

Notify maintainers

@cillianderoiste

Metadata

Please run nix-shell -p nix-info --run "nix-info -m" and paste the result.

 - system: `"aarch64-darwin"`
 - host os: `Darwin 21.2.0, macOS 12.1`
 - multi-user?: `yes`
 - sandbox: `no`
 - version: `nix-env (Nix) 2.5.1`
 - channels(root): `"nixpkgs-22.05pre346058.bc59ba15b64"`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixpkgs`