anchor.diff:      homepage = "http://parity.io/ethereum";
       license = licenses.gpl3;
       maintainers = with maintainers; [ akru xrelkd ];
  -    platforms = platforms.linux;
  +    platforms = stdenv.lib.platforms.unix;
     };
   }
  
positive.code:     pkg-config
    ];
  
    buildInputs = [ openssl systemd ];
  
    cargoBuildFlags = [ "--features final" ];
  
  
negative.code: , llvmPackages
  , openssl
  , pkg-config
  , stdenv
  , systemd
  , darwin
  }:
  
  rustPlatform.buildRustPackage rec {
  