From 918097dacf8f08a52d94b85d276b031b5fb69d4d Mon Sep 17 00:00:00 2001
From: Jesse Gross <jesse@nicira.com>
Date: Wed, 19 Jan 2011 09:29:06 -0800
Subject: datapath: Avoid backported csum_replace4() on RHEL 5.

Reported-by: Koichi Yagishita <yagishita.koichi@jrc.co.jp>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
---
 acinclude.m4 | 1 +
 1 file changed, 1 insertion(+)

(limited to 'acinclude.m4')

diff --git a/acinclude.m4 b/acinclude.m4
index 565ca6d28..3b691647b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -195,6 +195,7 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
   OVS_GREP_IFELSE([$KSRC26/include/linux/types.h], [__wsum],
                   [OVS_DEFINE([HAVE_CSUM_TYPES])])
 
+  OVS_GREP_IFELSE([$KSRC26/include/net/checksum.h], [csum_replace4])
   OVS_GREP_IFELSE([$KSRC26/include/net/checksum.h], [csum_unfold])
 
   OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [NLA_NUL_STRING])
-- 
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