anchor.diff:  
     nativeBuildInputs = [
       cmake
  +    makeWrapper
     ];
   
     buildInputs = [
       python
  +    python.pkgs.numpy
       libGLU_combined
       libXt
       qtbase
  
positive.code:     fetchSubmodules = true;
    };
  
     cmakeFlags = [
       "-DPARAVIEW_ENABLE_PYTHON=ON"
       "-DPARAVIEW_INSTALL_DEVELOPMENT_FILES=ON"
       "-DPARAVIEW_ENABLE_EMBEDDED_DOCUMENTATION=OFF"
     ];
  
    # During build, binaries are called that rely on freshly built
    # libraries.  These reside in build/lib, and are not found by
  
negative.code: {
  stdenv, fetchFromGitHub, cmake, makeWrapper
  ,qtbase, qttools, python, libGLU_combined
  ,libXt, qtx11extras, qtxmlpatterns
  }:
  