anchor.diff:    '';
   
     makeFlags = [
  -    "release"
  +    "${releaseType}"
     ];
   
     installPhase = ''
       mkdir -pv "$out"/{lib,bin}
  -    find release -type f -not -name \*.\* -exec cp -v {} $out/bin \;
  -    find release -type f -name \*.\* -exec cp -v {} $out/lib \;
  +    find ${releaseType} -type f -not -name \*.\* -exec cp -v {} $out/bin \;
  +    find ${releaseType} -type f -name \*.\* -exec cp -v {} $out/lib \;
   
       mkdir -pv $out/share/man/man1
       cp -v man/mum* $out/share/man/man1
  
positive.code:   '';
  
    configureFlags = [
      "${boolNo (config == "mumble")}client"
      "${boolNo (config == "murmur")}server"
      "shared"
  
negative.code: , xorg
  
  , mumbleOverlay ? true
  , releaseType ? "release"
  
  , channel
  , config
  