From: Ivan Maidanski <ivmai@mail.ru>
Date: Thu, 18 Oct 2012 04:50:36 +0000 (+0400)
Subject: Define old_bus_handler static variable only if used (Unix)
X-Git-Tag: gc7_4_0~196
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=edcff418a9130636a689d14f87e25ad89d68857a;p=gc

Define old_bus_handler static variable only if used (Unix)

* os_dep.c (old_bus_handler): Define only if SIGBUS (only for
UNIX_LIKE or NEED_FIND_LIMIT).
---

diff --git a/os_dep.c b/os_dep.c
index 02593c35..f042758a 100644
--- a/os_dep.c
+++ b/os_dep.c
@@ -851,7 +851,10 @@ GC_INNER word GC_page_size = 0;
             static struct sigaction old_bus_act;
 #       endif
 #   else
-        static GC_fault_handler_t old_segv_handler, old_bus_handler;
+      static GC_fault_handler_t old_segv_handler;
+#     ifdef SIGBUS
+        static GC_fault_handler_t old_bus_handler;
+#     endif
 #   endif
 
     GC_INNER void GC_set_and_save_fault_handler(GC_fault_handler_t h)