anchor.diff:      postInstall = ''
         for p in $(ls $out/bin/) ; do
           wrapProgram $out/bin/$p \
  -          --prefix PATH            ":" "${lib.makeBinPath [ python2 glxinfo xdpyinfo ]}" \
  +          --prefix PATH            ":" "${lib.makeBinPath [ python2Packages.python glxinfo xdpyinfo ]}" \
             --prefix LD_LIBRARY_PATH ":" "${lib.makeLibraryPath
                 ([ curl systemd libmad libvdpau libcec libcec_platform rtmpdump libass ] ++ lib.optional nfsSupport libnfs)}"
         done
  
positive.code: 
      buildInputs = [
        gnutls libidn libtasn1 nasm p11-kit
        libxml2 yasm python2
        boost libmicrohttpd
        gettext pcre-cpp yajl fribidi libva libdrm
        openssl gperf tinyxml2 taglib libssh swig jre
  
negative.code: { stdenv, lib, fetchFromGitHub, autoconf, automake, libtool, makeWrapper
  , pkgconfig, cmake, gnumake, yasm, python2Packages
  , libgcrypt, libgpgerror, libunistring
  , boost, avahi, lame, autoreconfHook
  , gettext, pcre-cpp, yajl, fribidi, which
  