From b1ca87a565033a767042120288b2c45723cf79cc Mon Sep 17 00:00:00 2001
From: Alan Hourihane <alanh@tungstengraphics.com>
Date: Tue, 21 Oct 2003 21:49:23 +0000
Subject: [PATCH] prevent from optimizing out by some compilers (from XFree86
 CVS)

---
 src/mesa/drivers/x11/xm_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 6ebda0c14f8..2ad5a156ff5 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -175,7 +175,7 @@ static int host_byte_order( void )
  * Error handling.
  */
 #ifndef XFree86Server
-static int mesaXErrorFlag = 0;
+static volatile int mesaXErrorFlag = 0;
 
 static int mesaHandleXError( XMesaDisplay *dpy, XErrorEvent *event )
 {
-- 
2.30.2