[PATCH iproute2 v2 3/3] testsuite: Warn about empty $(IPVERS)

[Petr Vorel]

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.vo...@gmail.com>
---
 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
-- 
2.19.0.rc2