anchor.diff:        "mirror://sourceforge/freetype/${name}.tar.bz2"
       ];
       allowHashOutput = false;
  -    sha256 = "5f83ce531c7035728e03f7f0421cb0533fca4e6d90d5e308674d6d313c23074d";
  +    sha256 = "e20a6e1400798fd5e3d831dd821b61c35b1f9a6465d6b18a53a9df4cf441acf0";
     };
   
     buildInputs = [
  
positive.code: in
  
  stdenv.mkDerivation rec {
    name = "freetype-2.6.4";
  
    src = fetchurl {
      urls = [
  
negative.code:     zlib
    ];
  
    patches = [
      # Patch from Arch Linux:
      # Provide a way to set the default subpixel hinting mode
      # at runtime, without depending on the application to do so.
      (fetchTritonPatch {
        rev = "76504e1325b09e9d214deef685183df37ad78819";
        file = "freetype2/0003-Make-subpixel-hinting-mode-configurable.patch";
        sha256 = "692f26495df74bedab2f0dc14e06d92fa655d633b5c5f48a60991c2970499ebf";
      })
    ];
  
    postPatch = /* Enable table validation modules */ ''
      sed -i modules.cfg \
        -e 's,# AUX_MODULES += gxvalid,AUX_MODULES += gxvalid,' \
        -e 's,# AUX_MODULES += otvalid,AUX_MODULES += otvalid,'
    '' + /* Enable subpixel rendering */ ''
      sed -i include/freetype/config/ftoption.h \
        -e 's,/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */,#define FT_CONFIG_OPTION_SUBPIXEL_RENDERING,'
    '';
  
    configureFlags = [
      "--enable-biarch-config"
  