anchor.diff:    '';
   
     configureFlags = [
  -    (enFlag "drm" drmSupport null)
  +    "--${boolEn drmSupport}-drm"
       "--enable-largefile"
  -    (wtFlag "mp4v2" (mp4v2 != null) null)
  +    "--${boolWt (mp4v2 != null)}-mp4v2"
     ];
   
     CXXFLAGS = "-std=c++03";
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "Open source MPEG-4 and MPEG-2 AAC encoder";
       homepage = http://www.audiocoding.com/faac.html;
       license = licenses.unfreeRedistributable;
  
positive.code: }:
  
  let
    inherit (stdenv.lib)
      enFlag
      wtFlag;
  in
  stdenv.mkDerivation rec {
    name = "faac-${version}";
  
negative.code: { stdenv
  , fetchTritonPatch
  , fetchurl
  , lib
  
  , mp4v2
  
  