On 04/21/2017 11:40 PM, Michael Ellerman wrote:

Shuah Khan [off-list ref] writes:

quoted

Add override for lib.mk clean to fix the following warnings from clean
target run.

Makefile:11: warning: overriding recipe for target 'clean'
../lib.mk:55: warning: ignoring old recipe for target 'clean'

Signed-off-by: Shuah Khan <redacted>
---
 tools/testing/selftests/gpio/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 205e4d1..4f6d9e0 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile

@@ -7,8 +7,9 @@ include ../lib.mk
 
 all: $(BINARIES)
 
-clean:
+override define CLEAN
 	$(RM) $(BINARIES)
+endef

This could be achieved more simply with:

EXTRA_CLEAN := $(BINARIES)

gpio clean requires special handling. I have one more patch
I sent out that handles that. So I am going to leave this
patch the way with override.

thanks,
-- Shuah