linux-kernel - [PATCH 2/8] selftests: lib.mk: define CLEAN macro to allow Makefiles to override clean

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Date:   Fri, 21 Apr 2017 17:14:44 -0600
From:   Shuah Khan <shuahkh@....samsung.com>
To:     shuah@...nel.org, bamvor.zhangjian@...aro.org,
        benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
        dvhart@...radead.org
Cc:     Shuah Khan <shuahkh@....samsung.com>, viro@...iv.linux.org.uk,
        emilio.lopez@...labora.co.uk, mingo@...nel.org, luto@...nel.org,
        dave.hansen@...ux.intel.com, dsafonov@...tuozzo.com,
        rkrcmar@...hat.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 2/8] selftests: lib.mk: define CLEAN macro to allow Makefiles to override clean

Define CLEAN macro to allow Makefiles to override common clean target
in lib.mk. This will help fix the following failures:

warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'

Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
---
 tools/testing/selftests/lib.mk | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 775c589..959273c 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -51,8 +51,12 @@ endef
 emit_tests:
 	$(EMIT_TESTS)
 
-clean:
+define CLEAN
 	$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
+endef
+
+clean:
+	$(CLEAN)
 
 $(OUTPUT)/%:%.c
 	$(LINK.c) $^ $(LDLIBS) -o $@
-- 
2.9.3