anchor.diff:  , jack2_lib
   , portaudio
   , qt5
  +, xorg
   }:
   
   let
  
positive.code: in
  
  stdenv.mkDerivation rec {
    version = "0.4.1";
    name = "qjackctl-${version}";
  
    src = fetchurl {
      url = "mirror://sourceforge/qjackctl/${name}.tar.gz";
      sha256 = "1ldzw84vb0x51y7r2sizx1hj4js9sr8s1v8g55nc2npmm4g4w0lq";
    };
  
    buildInputs = [
      alsa-lib
      dbus
      jack2_lib
      qt5.qtbase
      qt5.qttranslations
      qt5.qtx11extras
    ];
  
    configureFlags = [
  
negative.code:     "--disable-stacktrace"
    ];
  
    meta = with stdenv.lib; {
      description = "Application to control the JACK sound server daemon";
      homepage = http://qjackctl.sourceforge.net/;
  