anchor.diff:  
     nativeBuildInputs = [
       installShellFiles
  -    pkg-config
  -    zlib
     ];
   
     buildInputs = lib.optionals stdenv.isDarwin [
  -    libiconv
       Security
     ];
   
  
positive.code:   meta = with lib; {
      description = "CLI tool to serve files and directories over HTTP";
      homepage = "https://github.com/svenstaro/miniserve";
      license = with licenses; [ mit ];
      maintainers = with maintainers; [ ];
      platforms = platforms.unix;
      # https://hydra.nixos.org/build/162650896/nixlog/1
      broken = stdenv.isDarwin && stdenv.isAarch64;
    };
  
negative.code: { lib
  , rustPlatform
  , fetchFromGitHub
  , installShellFiles
  , stdenv
  , Security
  }:
  
  