Re: [PATCH v2 4/4] Makefile: add headers to kselftest targets

[Nicolas Schier <nicolas@fjasle.eu>]

On Tue, 12 Jul 2022 09:29 +0100 Guillaume Tucker wrote:
> Add headers 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
>   $ make O=build -C tools/testing/selftests 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@collabora.com>
> ---

You might want to add the 'Reported-by: as you did in 
https://lore.kernel.org/linux-kbuild/a7af58feaa6ae6d3b0c8c55972a470cec62341e5.1657693952.git.guillaume.tucker@collabora.com/ 
?

Tested-by: Nicolas Schier <nicolas@fjasle.eu>

> 
> Notes:
>     v2: replace headers_install with headers
> 
>  Makefile | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index 1a6678d817bd..02502cc4ced5 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1347,10 +1347,10 @@ tools/%: FORCE
>  # Kernel selftest
>  
>  PHONY += kselftest
> -kselftest:
> +kselftest: headers
>  	$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
>  
> -kselftest-%: FORCE
> +kselftest-%: headers FORCE
>  	$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $*
>  
>  PHONY += kselftest-merge
> -- 
> 2.30.2

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