From ff113d52f799d433b6d5d96f86944d2d761e3530 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 1 Dec 2015 01:05:48 +0000
Subject: configure.in: FUNC_UNOPTIMIZED

* configure.in: check if optimize pragma is supported.

* include/ruby/defines.h (FUNC_UNOPTIMIZED): fallback definition.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 missing/explicit_bzero.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'missing')

diff --git a/missing/explicit_bzero.c b/missing/explicit_bzero.c
index c89bdbc0a8..e7bb11e69f 100644
--- a/missing/explicit_bzero.c
+++ b/missing/explicit_bzero.c
@@ -12,13 +12,15 @@
  * http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1381.pdf
  */
 
-#ifdef __GNUC__
-#pragma GCC optimize ("O0")
+#ifndef FUNC_UNOPTIMIZED
+# define FUNC_UNOPTIMIZED(x) x
 #endif
 
 #ifndef HAVE_EXPLICIT_BZERO
 /* Similar to bzero(), but have a guarantee not to be eliminated from compiler
    optimization. */
+FUNC_UNOPTIMIZED(void explicit_bzero(void *b, size_t len));
+
 void
 explicit_bzero(void *b, size_t len)
 {
-- 
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