anchor.diff:      license = licenses.lgpl2;
       homepage = https://github.com/libguestfs/hivex;
       maintainers = with maintainers; [offline];
  -    platforms = platforms.linux;
  +    platforms = platforms.linux ++ platforms.darwin;
     };
   }
  
positive.code: { stdenv, fetchurl, pkgconfig, autoreconfHook, makeWrapper
  , perlPackages, libxml2 }:
  
  stdenv.mkDerivation rec {
    name = "hivex-${version}";
  
negative.code:   nativeBuildInputs = [ pkgconfig ];
    buildInputs = [
      autoreconfHook makeWrapper libxml2
    ]
    ++ (with perlPackages; [ perl IOStringy ])
    ++ stdenv.lib.optionals stdenv.isDarwin [ libiconv ];
  
    postInstall = ''
      wrapProgram $out/bin/hivexregedit \
          --set PERL5LIB "$out/${perlPackages.perl.libPrefix}" \
          --prefix "PATH" : "$out/bin"
  
      wrapProgram $out/bin/hivexml \
          --prefix "PATH" : "$out/bin"
    '';
  
    meta = with stdenv.lib; {
  