anchor.diff:      amrwb
       flac
       gsm
  -    ladspaH
  +    ladspa-sdk
       lame
       libao
       libid3tag
  
positive.code: , amrwb
  , flac
  , gsm
  , ladspaH
  , lame
  , libao
  , libid3tag
  
negative.code:   inherit (stdenv)
      targetSystem;
    inherit (stdenv.lib)
      boolWt
      elem
      platforms;
  in
  stdenv.mkDerivation rec {
    name = "sox-14.4.2";
  