anchor.diff:      avahi
       jack2_lib
       lirc
  -    openssl_1-0-2
  +    openssl
       soxr
       systemd_lib
       webrtc-audio-processing
  
positive.code: , libsndfile
  , jack2_lib
  , lirc
  , openssl_1-0-2
  , sbc
  , soxr
  , speexdsp
  
negative.code: 
    src = fetchurl rec {
      url = "https://freedesktop.org/software/pulseaudio/releases/pulseaudio-${version}.tar.xz";
      multihash = "QmQNcwxRfVPXpi3kgWkEgDmKGJ9Rqbpb1EqniqCh9q1ZJU";
      hashOutput = false;
      sha256 = "a3186824de9f0d2095ded5d0d0db0405dc73133983c2fbb37291547e37462f57";
    };
  
    nativeBuildInputs = [
  