Hello! src/addr_compl.c uses following functions from deprecated GCompletion API: 1. g_completion_new() 2. g_completion_set_compare() 3. g_completion_clear_items() 4. g_completion_free() 5. g_completion_add_items() 6. g_completion_complete() As the docs[0] say, these functions are deprecated and may be we should use GtkEntryCompletion[1] instead. [0] https://developer.gnome.org/glib/stable/glib-Automatic-String-Completion.html#g-completion-new [1] https://developer.gnome.org/gtk2/stable/GtkEntryCompletion.html#gtk-entry-completion-new