anchor.diff:  
       homepage = http://www.gtk.org/;
   
  -    license = stdenv.lib.licenses.lgpl2Plus;
  +    license = licenses.lgpl2Plus;
   
  -    maintainers = with stdenv.lib.maintainers; [ urkud raskin vcunat lethalman ];
  -    platforms = stdenv.lib.platforms.all;
  +    maintainers = with maintainers; [ urkud raskin vcunat lethalman ];
  +    platforms = platforms.all;
     };
   }
  
positive.code:     ++ optional xineramaSupport libXinerama
      ++ optional cupsSupport cups;
  
    NIX_LDFLAGS = if stdenv.isDarwin then "-lintl" else null;
  
    # demos fail to install, no idea where's the problem
    preConfigure = "sed '/^SRC_SUBDIRS /s/demos//' -i Makefile.in";
  
    enableParallelBuilding = true;
  
    postInstall = "rm -rf $out/share/gtk-doc";
  
  
negative.code: 
  let
    ver_maj = "3.16";
    ver_min = "7";
    version = "${ver_maj}.${ver_min}";
  in
  stdenv.mkDerivation rec {
  