anchor.diff:  , qtkeychain
   , qttools
   , qtwebengine
  -, qtwebkit
   , sqlite
   }:
   
  
positive.code:     qtkeychain
      qttools
      qtwebengine
      qtwebkit
      sqlite
    ];
  
  
negative.code: 
    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; {
  