diff -r bf3f91939dc5 -r fd3dd26b128d pidgin/gtkdebug.h
--- a/pidgin/gtkdebug.h	Thu Jul 13 03:22:56 2017 -0400
+++ b/pidgin/gtkdebug.h	Thu Aug 10 23:24:29 2017 -0400
@@ -33,7 +33,25 @@
 G_BEGIN_DECLS
 
 #define PIDGIN_TYPE_DEBUG_UI (pidgin_debug_ui_get_type())
+#if GLIB_CHECK_VERSION(2,44,0)
 G_DECLARE_FINAL_TYPE(PidginDebugUi, pidgin_debug_ui, PIDGIN, DEBUG_UI, GObject)
+#else
+GType pidgin_debug_ui_get_type(void);
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+typedef struct _PidginDebugUi PidginDebugUi;
+typedef struct { GObjectClass parent_class; } PidginDebugUiClass;
+static inline PidginDebugUi *
+PIDGIN_DEBUG_UI(gpointer ptr)
+{
+	return G_TYPE_CHECK_INSTANCE_CAST(ptr, pidgin_debug_ui_get_type(), PidginDebugUi);
+}
+static inline gboolean
+PIDGIN_IS_DEBUG_UI(gpointer ptr)
+{
+	return G_TYPE_CHECK_INSTANCE_TYPE(ptr, pidgin_debug_ui_get_type());
+}
+G_GNUC_END_IGNORE_DEPRECATIONS
+#endif
 
 /**
  * pidgin_debug_ui_new: