anchor.diff:  
     cmakeFlags = [
       "-DCMAKE_INSTALL_LIBDIR=lib" # expected to be prefix-relative by build code setting RPATH
  +    "-DNO_SHIBBOLETH=1" # allows to compile without qtwebkit
     ];
   
     meta = with lib; {
  
positive.code: , qtkeychain
  , qttools
  , qtwebengine
  , qtwebkit
  , sqlite
  }:
  
  
negative.code:     qtkeychain
      qttools
      qtwebengine
      sqlite
    ];
  
  