From bf5540eb1e277f8dfad11691311ef062870e7a9c Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 7 Aug 2011 22:09:34 -0700
Subject: Add x86_64 architecture support

This is required for U-Boot's sandbox test system.

BUG=chromium-os:16808
TEST=emerge vboot_reference-firmware for tegra2-seaboard, x86-mario

Change-Id: I18b48b069dc56f9b2c826de99780dfff1e544ded
Reviewed-on: https://gerrit.chromium.org/gerrit/5980
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 7652bde8..19b91d52 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,10 @@ CFLAGS ?= \
 	-mpreferred-stack-boundary=2 -mregparm=3 \
 	$(COMMON_FLAGS)
 endif
+ifeq ($(FIRMWARE_ARCH), x86_64)
+CFLAGS ?= $(COMMON_FLAGS) \
+	-fvisibility=hidden -fno-strict-aliasing -fomit-frame-pointer
+endif
 
 CC ?= gcc
 CXX ?= g++
-- 
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