From f1c7503b9028d20741c9a01345ba8704998ea381 Mon Sep 17 00:00:00 2001
From: "H.Merijn Brand" <h.m.brand@xs4all.nl>
Date: Wed, 23 Jun 2010 16:34:04 +0200
Subject: [PATCH] Fix d_u32align probe on ARM

From: Marc Pignat <marc@pignat.org>
Date: Wed, 23 Jun 2010 15:38:37 +0200

My proposed solution is to use the 'volatile' keyword to make sure the
compiler will really do the job.

Please note that it does not work with -O3, but the configure script
compile with -O2, so this should be fine.

At this time I've only tested the Configure scripts, which now detects
the align problem on ARM. I'm compiling the whole thing to check if the
md5 bug goes away!

I hope this will fix this *5 years* old bug, and the upstream bug as
well!

Signed-off-by: H.Merijn Brand <h.m.brand@xs4all.nl>
---
 Configure | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'Configure')

diff --git a/Configure b/Configure
index 60eac75eba..4217f8c2dd 100755
--- a/Configure
+++ b/Configure
@@ -30,7 +30,7 @@
 
 # $Id: Head.U 6 2006-08-25 22:21:46Z rmanfredi $
 #
-# Generated on Fri May 21 07:59:07 CEST 2010 [metaconfig 3.5 PL0]
+# Generated on Wed Jun 23 16:03:55 CEST 2010 [metaconfig 3.5 PL0]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -18605,8 +18605,8 @@ $signal_t bletch(int s) { exit(4); }
 #endif
 int main() {
 #if BYTEORDER == 0x1234 || BYTEORDER == 0x4321
-    U8 buf[8];
-    U32 *up;
+    volatile U8 buf[8];
+    volatile U32 *up;
     int i;
 
     if (sizeof(U32) != 4) {
-- 
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