anchor.diff: -{ config, stdenv, fetchFromGitHub
  +{ mkDerivation, config, stdenv, fetchFromGitHub
   , fetchpatch, pkgconfig, perl, python, which
   , libX11, libxcb, libGLU, libGL
  -, qtbase, qtdeclarative, qtquickcontrols, qttools, qtx11extras, qmake, makeWrapper
  +, qtbase, qtdeclarative, qtquickcontrols, qttools, qtx11extras, qmake
   , libchardet
   , ffmpeg
   
  
positive.code: assert cddaSupport -> libcdda != null;
  assert youtubeSupport -> youtube-dl != null;
  
  stdenv.mkDerivation rec {
    pname = "bomi";
    version = "0.9.11";
  
  
negative.code:                    ++ optional cddaSupport "--enable-cdda"
                     ;
  
    nativeBuildInputs = [ pkgconfig perl python which qttools qmake ];
  
    meta = with stdenv.lib; {
      description = "Powerful and easy-to-use multimedia player";
  