dnl Check for required Perl modules.
missing_perl_modules=no
-for pm in Pod::Usage Getopt::Long Glib Gtk3 Glib::Object::Introspection; do
+for pm in Pod::Usage Getopt::Long Glib Gtk3 Glib::Object::Introspection Gtk3::WebKit; do
AC_MSG_CHECKING([for $pm])
if ! perl -M$pm -e1 >/dev/null 2>&1; then
AC_MSG_RESULT([no])