From 4469d05e3803d3145f47686491c5b76b97ab178a Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Mon, 11 Sep 2017 20:14:25 +0200
Subject: Backport nfnl_msg_type()

---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index c7a030c..6482670 100644
--- a/configure.ac
+++ b/configure.ac
@@ -539,6 +539,16 @@ else
 	AC_SUBST(HAVE_XT_NET, undef)
 fi
 
+AC_MSG_CHECKING([kernel source for nfnl_msg_type() in nfnetlink.h])
+if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
+   $GREP -q 'nfnl_msg_type' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
+	AC_MSG_RESULT(yes)
+	AC_SUBST(HAVE_NFNL_MSG_TYPE, define)
+else
+	AC_MSG_RESULT(no)
+	AC_SUBST(HAVE_NFNL_MSG_TYPE, 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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