anchor.diff:  , static ? false # link statically
   
   , stdenv, fetchFromGitHub, cmake, makeWrapper, dconf
  -, qtbase, qtscript
  +, mkDerivation, qtbase, qtscript
   , phonon, libdbusmenu, qca-qt5
   
   , withKDE ? true # enable KDE integration
  
positive.code:     ++ edf client "WANT_QTCLIENT"
      ++ edf withKDE "WITH_KDE";
  
    preFixup =
      lib.optionalString enableDaemon ''
          wrapProgram "$out/bin/quasselcore" --suffix PATH : "${qtbase.bin}/bin"
      '' +
      lib.optionalString buildClient ''
          wrapProgram "$out/bin/quassel${lib.optionalString client "client"}" \
            --prefix GIO_EXTRA_MODULES : "${dconf}/lib/gio/modules"
      '';
  
    meta = with stdenv.lib; {
  
negative.code: }:
  
  let
      inherit (stdenv) lib;
      buildClient = monolithic || client;
      buildCore = monolithic || enableDaemon;
  in
  