anchor.diff:      url = "https://download.jitsi.org/jitsi/src/jitsi-src-${version}.zip";
       sha256 = "11vjchc3dnzj55x7c62wsm6masvwmij1ifkds917r1qvil1nzz6d";
     };
  -
   
     patches = [ ./jitsi.patch ];
   
  
positive.code:     description = "Open Source Video Calls and Chat";
      license = licenses.lgpl21Plus;
      platforms = platforms.linux;
      maintainers = [ maintainers.khumba ];
    };
  
  }
  
negative.code:     xorg.libXv
    ]);
  
    nativeBuildInputs = [ unzip ];
    buildInputs = [ ant jdk ];
  
    buildPhase = ''ant make'';
  
  