anchor.diff:            --prefix LD_LIBRARY_PATH ":" "${systemd}/lib" \
             --prefix LD_LIBRARY_PATH ":" "${libmad}/lib" \
             --prefix LD_LIBRARY_PATH ":" "${libvdpau}/lib" \
  -          --prefix LD_LIBRARY_PATH ":" "${libcec}/lib"
  +          --prefix LD_LIBRARY_PATH ":" "${libcec}/lib" \
  +          --prefix LD_LIBRARY_PATH ":" "${rtmpdump}/lib"
         done
       '';
   
  
positive.code:     ++ lib.optional sambaSupport samba
      ++ lib.optional vdpauSupport libvdpau
      ++ lib.optional pulseSupport pulseaudio
      ++ lib.optional cecSupport libcec;
  
      dontUseCmakeConfigure = true;
  
  
negative.code:     ]
      ++ lib.optional (! sambaSupport) "--disable-samba"
      ++ lib.optional vdpauSupport "--enable-vdpau"
      ++ lib.optional pulseSupport "--enable-pulse"
      ++ lib.optional rtmpSupport "--enable-rtmp";
  
      postInstall = ''
        for p in $(ls $out/bin/) ; do
  