anchor.diff:  
     enableParallelBuilding = true;
   
  -  buildInputs = [ cmake
  -   python
  -   mesa
  -   libXt
  -
  -   # theoretically the following should be fine, but there is an error
  -   # due to missing libqminimal when not using qt5.full
  -
  -   # qtbase qtx11extras qttools
  -   full
  -   ];
  +  buildInputs = [ 
  +    cmake
  +    python
  +    mesa
  +    libXt
  +    qtbase
  +    qtx11extras
  +    qttools
  +    qtxmlpatterns
  +  ];
   
   
     meta = {
  
positive.code:     owner = "Kitware";
      repo = "ParaView";
      rev = "v${version}";
      sha256 = "0h1vkgwm10mc5mnr3djp81lxr5pi0hyj776z77hiib6xm5596q9n";
      fetchSubmodules = true;
    };
  
     cmakeFlags = [
       "-DPARAVIEW_ENABLE_PYTHON=ON"
       "-DPARAVIEW_INSTALL_DEVELOPMENT_FILES=ON"
     ];
  
    # During build, binaries are called that rely on freshly built
  
negative.code: {
  stdenv, fetchFromGitHub, cmake
  ,qtbase, qttools, python, mesa
  ,libXt, qtx11extras, qtxmlpatterns 
  }:
  
  stdenv.mkDerivation rec {
    name = "paraview-${version}";
    version = "5.4.1";
  
    # fetching from GitHub instead of taking an "official" source
    # tarball because of missing submodules there
  