From 133c1a6c8799d322a8a018bc49822c088bc5d5ac Mon Sep 17 00:00:00 2001
From: Petr Vorel <petr.vorel@gmail.com>
Date: Thu, 20 Sep 2018 01:36:24 +0200
Subject: [PATCH] testsuite: Warn about empty $(IPVERS)

alltests target requires having symlink created by configure target
(default target). Without that there is no test being run.

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 testsuite/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/testsuite/Makefile b/testsuite/Makefile
index 1c2467f5..b3aebec1 100644
--- a/testsuite/Makefile
+++ b/testsuite/Makefile
@@ -54,6 +54,9 @@ distclean: clean
 	echo "Entering iproute2" && cd iproute2 && $(MAKE) distclean && cd ..;
 
 $(TESTS): testclean
+ifeq (,$(IPVERS))
+	$(error Please run make first)
+endif
 ifeq (,$(HAVE_UNSHARED_UTIL))
 	$(error Please install util-linux tools to run tests in separated network namespace)
 endif