anchor.diff:          pitchedDelay
           refine
           stereosourceseparation
  +        swankyamp
           tal-dub-3
           tal-filter
           tal-filter-2
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "distrho-ports";
    version = "2020-07-14";
  
    src = fetchFromGitHub {
      owner = "DISTRHO";
      repo = "DISTRHO-Ports";
      rev = version;
      sha256 = "03ji41i6dpknws1vjwfxnl8c8bgisv2ng8xa4vqy2473k7wgdw4v";
    };
  
    nativeBuildInputs = [ pkg-config meson ninja ];
  
    buildInputs = [
      alsaLib
      freetype
      libGL
      libX11
      libXcursor
      libXext
      libXrender
    ];
  
    meta = with lib; {
  
negative.code: { stdenv
  , alsaLib
  , curl
  , fetchFromGitHub
  , fftwFloat
  , freetype
  , glib
  , lib
  , libGL
  , libX11
  , libXcursor
  , libXext
  , libXinerama
  , libXrandr
  , libXrender
  , libgcc
  , libglvnd
  , libsecret
  , meson
  , ninja
  , pkg-config
  