Re: [PATCH v3 7/7] selftests/mount: Use implicit rules

[Shuah Khan <shuahkh-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>]

On 03/04/2015 03:41 AM, Michael Ellerman wrote:
> There's no need to open-code the build rules, use the implicit ones.
> 
> This has the nice side effect of enabling cross compilation.
> 
> Signed-off-by: Michael Ellerman <mpe-Gsx/Oe8HsFggBc27wqDAHg@public.gmane.org>
> ---
>  tools/testing/selftests/mount/Makefile | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/testing/selftests/mount/Makefile b/tools/testing/selftests/mount/Makefile
> index a5b367f032ba..a6c62bedb0d9 100644
> --- a/tools/testing/selftests/mount/Makefile
> +++ b/tools/testing/selftests/mount/Makefile
> @@ -1,13 +1,13 @@
>  # Makefile for mount selftests.
>  
> -all: unprivileged-remount-test
> +TEST_PROGS := unprivileged-remount-test
> +
> +CFLAGS += -O2 -Wall
>  
> -unprivileged-remount-test: unprivileged-remount-test.c
> -	gcc -Wall -O2 unprivileged-remount-test.c -o unprivileged-remount-test
> +all: $(TEST_PROGS)
>  
>  include ../lib.mk
>  
> -TEST_PROGS := unprivileged-remount-test
>  override RUN_TESTS := if [ -f /proc/self/uid_map ] ; then ./unprivileged-remount-test ; fi
>  override EMIT_TESTS := echo "$(RUN_TESTS)"
>  

Nack. This change breaks make kselftest run. Test fails to
build.

thanks,
-- Shuah


-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org | (970) 217-8978