###### Motivation for this change ###### Things done - [ ] Tested using sandboxing ([nix.useChroot](http://nixos.org/nixos/manual/options.html#opt-nix.useChroot) on NixOS, or option `build-use-chroot` in [`nix.conf`](http://nixos.org/nix/manual/#sec-conf-file) on non-NixOS) - Built on platform(s) - [ ] NixOS - [ ] OS X - [ ] Linux - [ ] Tested compilation of all pkgs that depend on this change using `nix-shell -p nox --run "nox-review wip"` - [ ] Tested execution of all binary files (usually in `./result/bin/`) - [ ] Fits [CONTRIBUTING.md](https://github.com/NixOS/nixpkgs/blob/master/.github/CONTRIBUTING.md). ---