From 5baaf9adafe839c4ae9e7947c4d6c19329e469a7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Reimar=20D=C3=B6ffinger?= <Reimar.Doeffinger@gmx.de>
Date: Wed, 30 Sep 2009 16:55:32 +0000
Subject: [PATCH] Use a "b" constraint instead of ebx clobber to detect if EBX
 is available. The test using clobber incorrectly indicates ebx to be
 available with the default compilers on OpenBSD 4.5 and Haiku.

Originally committed as revision 20101 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index 30f2084b13d..94ceb533f25 100755
--- a/configure
+++ b/configure
@@ -2162,7 +2162,7 @@ elif enabled x86; then
 EOF
 
     # check whether EBX is available on x86
-    check_asm ebx_available '"":::"%ebx"'
+    check_asm ebx_available '""::"b"(0)'
 
     # check whether more than 10 operands are supported
     check_cc <<EOF && enable ten_operands
-- 
2.39.2