From 07f40a07e19a58c559ed47abaa0e989ba75c9517 Mon Sep 17 00:00:00 2001
From: Joel Dice <git@seibutsu.mailsnare.net>
Date: Thu, 19 Nov 2009 18:51:43 -0700
Subject: [PATCH] specify -march=i486 for x86_32 to support
 __sync_bool_compare_and_swap

---
 makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/makefile b/makefile
index 29840c8529..7006194a35 100644
--- a/makefile
+++ b/makefile
@@ -240,6 +240,11 @@ ifeq ($(mode),small)
 	cflags += -Os -g3 -DNDEBUG
 endif
 
+ifeq ($(arch),i386)
+# this is necessary to support __sync_bool_compare_and_swap:
+	cflags += -march=i486
+endif
+
 output = -o $(1)
 as := $(cc)
 ld := $(cc)