From 831c1b709c8834a47419a0f77fd8636145ed05be Mon Sep 17 00:00:00 2001
From: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Date: Thu, 30 Aug 2018 10:46:18 +0200
Subject: Add compatibility to support is_zero_ether_addr()

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

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 3f51720..73a2f8c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -230,6 +230,16 @@ else
 	AC_SUBST(HAVE_ETHER_ADDR_EQUAL, undef)
 fi
 
+AC_MSG_CHECKING([kernel source for is_zero_ether_addr])
+if test -f $ksourcedir/include/linux/etherdevice.h && \
+   $GREP -q 'is_zero_ether_addr' $ksourcedir/include/linux/etherdevice.h; then
+	AC_MSG_RESULT(yes)
+	AC_SUBST(HAVE_IS_ZERO_ETHER_ADDR, define)
+else
+	AC_MSG_RESULT(no)
+	AC_SUBST(HAVE_IS_ZERO_ETHER_ADDR, undef)
+fi
+
 AC_MSG_CHECKING([kernel source for nla_put_be16])
 if test -f $ksourcedir/include/net/netlink.h && \
    $GREP -q 'nla_put_be16' $ksourcedir/include/net/netlink.h; then
-- 
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