anchor.diff:      --replace '"ffmpeg ' '"${ffmpeg.bin}/bin/ffmpeg '
     '';
   
  -  configurePhase = ''
  -    qmake clipgrab.pro
  -  '';
  +  qmakeFlags = [ "clipgrab.pro" ];
   
     enableParallelBuilding = true;
   
  
positive.code:   };
  
    buildInputs = [ ffmpeg qt4 ];
  
    postPatch = stdenv.lib.optionalString (ffmpeg != null) ''
    substituteInPlace converter_ffmpeg.cpp \
  
negative.code: { stdenv, fetchurl, makeDesktopItem, ffmpeg, qt4, qmake4Hook }:
  
  stdenv.mkDerivation rec {
    name = "clipgrab-${version}";
  