anchor.diff:  { stdenv
  -, fetchTritonPatch
   , fetchurl
   
   , jbigkit
  
positive.code: }:
  
  let
    version = "4.0.7";
  in
  stdenv.mkDerivation rec {
    name = "libtiff-${version}";
  
    src = fetchurl {
      url = "http://download.osgeo.org/libtiff/tiff-${version}.tar.gz";
      multihash = "Qmas7k26WaQrQyvdVfw3yHh8Gf5YMfyzLnNwGJu7TrZLda";
      sha256 = "9f43a2cfb9589e5cecaa66e16bf87f814c945f22df7ba600d63aac4632c4f019";
    };
  
    buildInputs = [
  
negative.code:     libjpeg
      xz
      zlib
    ];
  
    meta = with stdenv.lib; {
  