[PATCH 4/8] selftests: gpio: override clean in lib.mk to fix warnings

[Michael Ellerman]

Shuah Khan <shuahkh at osg.samsung.com> writes:

> 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 <shuahkh at osg.samsung.com>
> ---
>  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)

cheers