anchor.diff:    };
   
     nativeBuildInputs = [
  -    cmake ninja pkgconfig intltool python3 gperf makeWrapper gobjectIntrospection vala
  +    cmake ninja pkgconfig intltool python3 gperf wrapGAppsHook gobjectIntrospection vala
     ];
     buildInputs = with gnome3; [
       glib libsoup libxml2 gtk gnome-online-accounts
       gcr p11-kit libgweather libgdata libaccounts-glib json-glib
  -    icu sqlite kerberos openldap webkitgtk
  +    icu sqlite kerberos openldap webkitgtk glib-networking
     ];
   
     propagatedBuildInputs = [ libsecret nss nspr libical db ];
  
positive.code: 
    postPatch = ''
      cmakeFlags="-DINCLUDE_INSTALL_DIR=$dev/include $cmakeFlags"
    '';
  
    preFixup = ''
      for f in $(find $out/libexec/ -type f -executable); do
        wrapProgram "$f" \
          --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH" \
          --prefix GIO_EXTRA_MODULES : "${stdenv.lib.getLib dconf}/lib/gio/modules"
      done
    '';
  
    passthru = {
  
negative.code: { fetchurl, stdenv, pkgconfig, gnome3, python3, gobjectIntrospection
  , intltool, libsoup, libxml2, libsecret, icu, sqlite
  , p11-kit, db, nspr, nss, libical, gperf, wrapGAppsHook, glib-networking
  , vala, cmake, ninja, kerberos, openldap, webkitgtk, libaccounts-glib, json-glib }:
  
  stdenv.mkDerivation rec {
  