From c350a7f39402ace2456abe609beb2e6d53b3127a Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Wed, 17 Dec 2014 07:44:37 +0100
Subject: Compatibility: check kernel source for list_last_entry

list_last_entry is missing on CentOS7, reported by Ricardo Klein.
---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 4212274..74bc7de 100644
--- a/configure.ac
+++ b/configure.ac
@@ -376,6 +376,16 @@ else
 	AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, undef)
 fi
 
+AC_MSG_CHECKING([kernel source for list_last_entry])
+if test -f $ksourcedir/include/linux/list.h && \
+   $GREP -q 'list_last_entry' $ksourcedir/include/linux/list.h; then
+	AC_MSG_RESULT(yes)
+	AC_SUBST(HAVE_LIST_LAST_ENTRY, define)
+else
+	AC_MSG_RESULT(no)
+	AC_SUBST(HAVE_LIST_LAST_ENTRY, undef)
+fi
+
 AC_MSG_CHECKING([kernel source for struct net_generic])
 if test -f $ksourcedir/include/net/netns/generic.h && \
    $GREP -q 'struct net_generic' $ksourcedir/include/net/netns/generic.h; then
-- 
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