anchor.diff: -{ stdenv, fetchurl, ctags, qt4, python }:
  +{ stdenv, fetchurl, makeWrapper, python, qt4, ctags, gdb }:
   
   stdenv.mkDerivation rec {
     name = "gede-${version}";
  
positive.code: 
    installPhase = ''
      python build.py install --prefix="$out"
    '';
  
    meta = with stdenv.lib; {
  
negative.code:     sha256 = "1znlmkjgrmjl79q73xaa9ybp1xdc3k4h4ynv3jj5z8f92gjnj3kk";
    };
  
    nativeBuildInputs = [ makeWrapper python ];
  
    buildInputs = [ qt4 ];
  
    postPatch = ''
      sed -i build.py -e 's,qmake-qt4,qmake,'
  