File ipxe-build-Avoid-strict-aliasing-warning.patch of Package qemu.820

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File ipxe-build-Avoid-strict-aliasing-warning.patch of Package qemu.820

From 11ad0bafbf137a874f88ac810520acb90fa9a990 Mon Sep 17 00:00:00 2001
From: Bo Yang <boyang@suse.com>
Date: Wed, 20 Mar 2013 16:34:17 +0800
Subject: [PATCH] [build] Avoid strict-aliasing warning for gcc 4.3

Signed-off-by: Bo Yang <boyang@suse.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/arch/i386/include/bits/byteswap.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/roms/ipxe/src/arch/i386/include/bits/byteswap.h b/roms/ipxe/src/arch/i386/include/bits/byteswap.h
index f3d30a2..0d9cb96 100644
--- a/roms/ipxe/src/arch/i386/include/bits/byteswap.h
+++ b/roms/ipxe/src/arch/i386/include/bits/byteswap.h
@@ -53,8 +53,8 @@ __bswap_variable_64 ( uint64_t x ) {
 static inline __attribute__ (( always_inline )) void
 __bswap_64s ( uint64_t *x ) {
 	struct {
-		uint32_t low;
-		uint32_t high;
+		uint32_t __attribute__ (( may_alias )) low;
+		uint32_t __attribute__ (( may_alias )) high;
 	} __attribute__ (( may_alias )) *dwords = ( ( void * ) x );
 	uint32_t discard;
 
-- 
1.7.7

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File ipxe-build-Avoid-strict-aliasing-warning.patch of Package qemu.820

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