depot/third_party/nixpkgs/pkgs/os-specific/darwin/apple-source-releases/copyfile/default.nix

{ appleDerivation', stdenvNoCC }:

appleDerivation' stdenvNoCC {
  dontBuild = true;
  installPhase = ''
    mkdir -p $out/include/
    cp copyfile.h $out/include/
  '';
}