anchor.diff:      fcitx5
       fcitx5-qt
       qtx11extras
  +    qtquickcontrols2
       kirigami2
       isocodes
       xkeyboardconfig
  
positive.code: 
  mkDerivation rec {
    pname = "fcitx5-configtool";
    version = "5.0.1";
  
    src = fetchFromGitHub {
      owner = "fcitx";
      repo = "fcitx5-configtool";
      rev = version;
      sha256 = "npSqd0R6bqKc+JxYCGcfVzgNLpuLtnHq6zM58smZ8/I=";
    };
  
    cmakeFlags = [
  
negative.code: , fcitx5
  , fcitx5-qt
  , qtx11extras
  , qtquickcontrols2
  , kwidgetsaddons
  , kdeclarative
  , kirigami2
  