anchor.diff:      description = "Open source libraries for 3D computer graphics, image processing and visualization";
       homepage = http://www.vtk.org/;
       license = stdenv.lib.licenses.bsd3;
  -    maintainers = with stdenv.lib.maintainers; [ ];
  +    maintainers = with stdenv.lib.maintainers; [ knedlsepp ];
       platforms = with stdenv.lib.platforms; unix;
     };
   }
  
positive.code: { stdenv, fetchurl, cmake, libGLU, libGL, libX11, xorgproto, libXt, libtiff
  , qtLib ? null
  , enablePython ? false, python ? null
  # Darwin support
  
negative.code:     url = "${meta.homepage}files/release/${majorVersion}/VTK-${version}.tar.gz";
      sha256 = "0nm7xwwj7rnsxjdv2ssviys8nhci4n9iiiqm2y14s520hl2dsp1d";
    };
  
    patches = [
      (fetchpatch {
        url = "https://gitlab.kitware.com/vtk/vtk/-/commit/706f1b397df09a27ab8981ab9464547028d0c322.diff";
        sha256 = "1q3pi5h40g05pzpbqp75xlgzvbfvyw8raza51svmi7d8dlslqybx";
      })
    ];
  
    nativeBuildInputs = [ cmake ];
  
  