From 3453a2204b07bfbc2ab42f2add7911f4c1bdb63c Mon Sep 17 00:00:00 2001
From: Keith Randall <khr@golang.org>
Date: Wed, 24 Jul 2013 09:59:47 -0700
Subject: [PATCH] runtime: only define SEH when we need it.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/11769043
---
 src/pkg/runtime/proc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index 9626d7980c4..0e9785e4568 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -485,10 +485,14 @@ runtime·starttheworld(void)
 void
 runtime·mstart(void)
 {
+#ifdef GOOS_windows
+#ifdef GOARCH_386
 	// It is used by windows-386 only. Unfortunately, seh needs
 	// to be located on os stack, and mstart runs on os stack
 	// for both m0 and m.
 	SEH seh;
+#endif
+#endif
 
 	if(g != m->g0)
 		runtime·throw("bad runtime·mstart");