netdev - [PATCH iproute2 v3 2/4] testsuite: declare dependency between $(TESTS) and generate

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Date:   Sun, 16 Dec 2018 20:55:38 +0000
From:   Luca Boccassi <bluca@...ian.org>
To:     netdev@...r.kernel.org
Cc:     stephen@...workplumber.org, petr.vorel@...il.com,
        Luca Boccassi <bluca@...ian.org>
Subject: [PATCH iproute2 v3 2/4] testsuite: declare dependency between $(TESTS) and generate_nlmsg

Parallel make from the top level directory fails since tests are at the
same time as generate_nlmsg:

$ make check -j4

...

cd testsuite && make && make alltests
echo "Entering iproute2" && cd iproute2 && make configure && cd ..;
Entering iproute2
make -C tools
Removing results dir ...
make[1]: ./tools/generate_nlmsg: Command not found
make[1]: ./tools/generate_nlmsg: Command not found
Makefile:64: recipe for target 'ip/netns/set_nsid_batch.t' failed
make[1]: *** [ip/netns/set_nsid_batch.t] Error 127
make[1]: ./tools/generate_nlmsg: Command not found
make[1]: *** Waiting for unfinished jobs....
Makefile:64: recipe for target 'ip/netns/set_nsid.t' failed
make[1]: *** [ip/netns/set_nsid.t] Error 127
Makefile:64: recipe for target 'ip/link/show_dev_wo_vf_rate.t' failed
make[1]: *** [ip/link/show_dev_wo_vf_rate.t] Error 127
    CC       generate_nlmsg
Makefile:123: recipe for target 'check' failed
make: *** [check] Error 2

Add an explicit dependency in testuite/Makefile's $(TESTS) rule so
that the tool correctly gets compiled before any test runs.

Fixes: 3537633dcf44 ("testsuite: Generate generate_nlmsg when needed")

Signed-off-by: Luca Boccassi <bluca@...ian.org>
Reviewed-by: Petr Vorel <petr.vorel@...il.com>
Tested-by: Petr Vorel <petr.vorel@...il.com>
---
v2: added reviewed/tested-by tags, removed Cc

 testsuite/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testsuite/Makefile b/testsuite/Makefile
index 46b243b0..9b0f1c15 100644
--- a/testsuite/Makefile
+++ b/testsuite/Makefile
@@ -53,7 +53,7 @@ clean: testclean
 distclean: clean
 	echo "Entering iproute2" && cd iproute2 && $(MAKE) distclean && cd ..;
 
-$(TESTS): testclean
+$(TESTS): generate_nlmsg testclean
 ifeq (,$(IPVERS))
 	$(error Please run make first)
 endif
-- 
2.19.2