netdev - [PATCH bpf] selftests/bpf: put test

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Date:   Fri, 12 Jul 2019 15:59:50 +0200
From:   Ilya Leoshkevich <iii@...ux.ibm.com>
To:     bpf@...r.kernel.org, netdev@...r.kernel.org
Cc:     gor@...ux.ibm.com, heiko.carstens@...ibm.com,
        Ilya Leoshkevich <iii@...ux.ibm.com>
Subject: [PATCH bpf] selftests/bpf: put test_stub.o into $(OUTPUT)

Add a rule to put test_stub.o in $(OUTPUT) and change the references to
it accordingly. This prevents test_stub.o from being created in the
source directory.

Signed-off-by: Ilya Leoshkevich <iii@...ux.ibm.com>
---
 tools/testing/selftests/bpf/Makefile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 277d8605e340..66b6f7fb683c 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -83,13 +83,16 @@ all: $(TEST_CUSTOM_PROGS)
 $(OUTPUT)/urandom_read: $(OUTPUT)/%: %.c
 	$(CC) -o $@ $< -Wl,--build-id
 
+$(OUTPUT)/test_stub.o: test_stub.c
+	$(CC) $(TEST_PROGS_CFLAGS) $(CFLAGS) -c -o $@ $<
+
 $(OUTPUT)/test_maps: map_tests/*.c
 
 BPFOBJ := $(OUTPUT)/libbpf.a
 
-$(TEST_GEN_PROGS): test_stub.o $(BPFOBJ)
+$(TEST_GEN_PROGS): $(OUTPUT)/test_stub.o $(BPFOBJ)
 
-$(TEST_GEN_PROGS_EXTENDED): test_stub.o $(OUTPUT)/libbpf.a
+$(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(OUTPUT)/libbpf.a
 
 $(OUTPUT)/test_dev_cgroup: cgroup_helpers.c
 $(OUTPUT)/test_skb_cgroup_id_user: cgroup_helpers.c
-- 
2.21.0