anchor.diff:      urls = mkURLs [ "http://www.aquamaniac.de" "http://www2.aquamaniac.de" ];
       inherit sha256;
     };
  +
  +  preConfigure = ''
  +    configureFlagsArray+=("--with-guis=gtk2 gtk3 qt5")
  +  '';
   
     postPatch = let
       isRelative = path: builtins.substring 0 1 path != "/";
  
positive.code: { stdenv, fetchurl, gnutls, gtk2, libgcrypt, pkgconfig, gettext, qt4
  
  , pluginSearchPaths ? [
      "/run/current-system/sw/lib/gwenhywfar/plugins"
  
negative.code:       configure
    '';
  
    nativeBuildInputs = [ pkgconfig gettext which ];
  
    buildInputs = [ gtk2 gtk3 qt5.qtbase gnutls libgcrypt ];
  
    meta = with stdenv.lib; {
      description = "OS abstraction functions used by aqbanking and related tools";
  