anchor.diff:      "-Dwpe=disabled" # required `wpe-webkit` library not packaged in nixpkgs as of writing
       "-Dzxing=disabled" # required `zxing-cpp` library not packaged in nixpkgs as of writing
       "-Dgs=disabled" # depends on `google-cloud-cpp`
  -    "-Disac=disabled" # depends on `webrtc-audio-coding-1` not packaged in nixpkgs as of writing
       "-Donnx=disabled" # depends on `libonnxruntime` not packaged in nixpkgs as of writing
       "-Dopenaptx=disabled" # depends on older version of `libopenaptx` due to licensing conflict https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2235
     ]
  
positive.code: , lrdf
  , ladspaH
  , libnice
  , webrtc-audio-processing_1
  , lilv
  , lv2
  
negative.code:     ldacbt
      libass
      libkate
      webrtc-audio-processing # required by webrtcdsp
      webrtc-audio-processing_1 # required by isac
      libbs2b
      libmodplug
      libmicrodns
  