anchor.diff:      "CCACHE_DISABLE=1"
   
       "USE_ALSA=1" "USE_AMR=1" "USE_CAIRO=1" "USE_CELT=1"
  -    "USE_CONS=1" "USE_EVDEV=1" "USE_FFMPEG=1"  "USE_GSM=1" "USE_GST=1"
  +    "USE_CONS=1" "USE_EVDEV=1" "USE_FFMPEG=1"  "USE_GSM=1" "USE_GST1=1"
       "USE_L16=1" "USE_MPG123=1" "USE_OSS=1" "USE_PLC=1" "USE_VPX=1"
       "USE_PORTAUDIO=1" "USE_SDL=1" "USE_SNDFILE=1" "USE_SPEEX=1"
       "USE_SPEEX_AEC=1" "USE_SPEEX_PP=1" "USE_SPEEX_RESAMP=1" "USE_SRTP=1"
  
positive.code:     sha256 = "02bf4fwirf3b7h3cr1jqm0xsjzza4fi9kg88424js2l0xywwzpgf";
    };
    nativeBuildInputs = [ pkgconfig ];
    buildInputs = [zlib openssl libre librem
      cairo mpg123 gstreamer gst-ffmpeg gst-plugins-base gst-plugins-bad gst-plugins-good
      alsaLib SDL libv4l celt libsndfile srtp ffmpeg gsm speex portaudio spandsp libuuid
      ccache libvpx
      ];
    makeFlags = [
      "LIBRE_MK=${libre}/share/re/re.mk"
      "LIBRE_INC=${libre}/include/re"
  
negative.code: {stdenv, fetchurl, zlib, openssl, libre, librem, pkgconfig, gst_all_1
  , cairo, mpg123, alsaLib, SDL, libv4l, celt, libsndfile, srtp, ffmpeg
  , gsm, speex, portaudio, spandsp, libuuid, ccache, libvpx
  }:
  stdenv.mkDerivation rec {
  