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authorBen Pfaff <blp@nicira.com>2011-02-04 12:35:49 -0800
committerBen Pfaff <blp@nicira.com>2011-02-04 12:36:21 -0800
commit1269f7ae5f4bf23205de2cd45220b2382af78393 (patch)
treec34356f33f39ad797ab262015fdeac2ce84e2818 /configure.ac
parent5e5ce0741f8b7dbee54d1407e7b0af5ee813b38f (diff)
downloadopenvswitch-1269f7ae5f4bf23205de2cd45220b2382af78393.tar.gz
datapath: Tolerate backporting of rtnl_link_stats64 (as in RHEL 6).
Red Hat Enterprise Linux 6 has a 2.6.32 kernel but it backports the rtnl_link_stats64 structure that was introduced in 2.6.35, so we need to check whether it was defined instead of just guessing based on the kernel version number. Build-tested only, on 2.6.32-71.14.1.el6 (RHEL 6), linux-2.6.18-128.1.6.el5.xs5.5.0.496.101 (XenServer 5.5.0), 2.6.18-128.1.6.el5.xs5.5.0.505.1024xen (XenServer 5.5.0 update 1), and upstream 2.6.18, 2.6.26, 2.6.29, 2.6.33, 2.6.34, 2.6.36, all for i386, plus 2.6.36 for x86-64. My machine's userspace headers have <linux/if_link.h> but not rtnl_link_stats64. Jesse Gross tested the case where <linux/if_link.h> has rtnl_link_stats64, on Ubuntu 10.10. Reported-by: Geoff White <gwhite@nicira.com> Tested-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index adeb956ce..28af2fec0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# Copyright (c) 2008, 2009, 2010 Nicira Networks
+# Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@@ -47,6 +47,7 @@ OVS_CHECK_NDEBUG
OVS_CHECK_NETLINK
OVS_CHECK_OPENSSL
OVS_CHECK_LOGDIR
+OVS_CHECK_RTNL_LINK_STATS64
OVS_CHECK_PYTHON
OVS_CHECK_PYUIC4
OVS_CHECK_OVSDBMONITOR