From efb6ec1b2fedc4a743868046da7efc48f5ec6b69 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Tue, 22 Oct 2019 14:35:15 +0200
Subject: [PATCH] testminiwget.sh: use either "ip addr" or "ifconfig -a"

---
 miniupnpc/testminiwget.sh | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/miniupnpc/testminiwget.sh b/miniupnpc/testminiwget.sh
index 32154e0..415e97b 100755
--- a/miniupnpc/testminiwget.sh
+++ b/miniupnpc/testminiwget.sh
@@ -2,7 +2,7 @@
 # $Id: testminiwget.sh,v 1.15 2017/11/02 17:36:26 nanard Exp $
 # vim: tabstop=4 shiftwidth=4 noexpandtab
 # project miniupnp : http://miniupnp.free.fr/
-# (c) 2011-2018 Thomas Bernard
+# (c) 2011-2019 Thomas Bernard
 #
 # test program for miniwget.c
 # is usually invoked by "make check"
@@ -23,12 +23,19 @@ DOWNLOADEDFILE="${TMPD}/downloadedfile"
 PORT=
 RET=0
 IPCONFIG=$(which ifconfig)
-if [ -z "$IPCONFIG" ] ; then
-	IPCONFIG="/sbin/ifconfig"
-fi
+IP=$(which ip)
+if [ "$IP" ] ; then
+	if ! $IP addr | grep inet6 ; then
+		HAVE_IPV6=no
+	fi
+else
+	if [ -z "$IPCONFIG" ] ; then
+		IPCONFIG="/sbin/ifconfig"
+	fi
 
-if ! $IPCONFIG -a | grep inet6 ; then
-	HAVE_IPV6=no
+	if ! $IPCONFIG -a | grep inet6 ; then
+		HAVE_IPV6=no
+	fi
 fi
 
 case "$HAVE_IPV6" in