static int ignore_warnings;
-Lisp_Object Qgc_cons_threshold, Qchar_table_extra_slots;
+static Lisp_Object Qgc_cons_threshold;
+Lisp_Object Qchar_table_extra_slots;
/* Hook run after GC has finished. */
-Lisp_Object Qpost_gc_hook;
+static Lisp_Object Qpost_gc_hook;
static void mark_buffer (Lisp_Object);
static void mark_terminals (void);