Re: [PATCH 4/4] Makefile: add headers_install to kselftest targets

From: Masahiro Yamada
Date: Mon Jul 11 2022 - 21:36:37 EST


On Sat, Jul 9, 2022 at 1:23 AM Guillaume Tucker
<guillaume.tucker@xxxxxxxxxxxxx> wrote:
>
> Add headers_install as a dependency to kselftest targets so that they
> can be run directly from the top of the tree. The kselftest Makefile
> used to try to call headers_install "backwards" but failed due to the
> relative path not being consistent.
>
> Now we can either run this directly:
>
> $ make O=build kselftest-all
>
> or this:
>
> $ make O=build headers_install
> $ make O=build -C tools/testing/selftest all
>
> The same commands work as well when building directly in the source
> tree (no O=) or any arbitrary path (relative or absolute).
>
> Signed-off-by: Guillaume Tucker <guillaume.tucker@xxxxxxxxxxxxx>
> ---
> Makefile | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index 1a6678d817bd..afc9d739ba44 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1347,10 +1347,10 @@ tools/%: FORCE
> # Kernel selftest
>
> PHONY += kselftest
> -kselftest:
> +kselftest: headers_install
> $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests

Nit.
Please use 'headers' for in-kernel use of exportedI headers.

kselftest: headers


>
> -kselftest-%: FORCE
> +kselftest-%: headers_install FORCE
> $(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $*

Ditto.

kselftest-%: headers FORCE


>
> PHONY += kselftest-merge
> --
> 2.30.2
>


--
Best Regards
Masahiro Yamada