linux-kernel - Re: [PATCH 2/2] kbuild: add more comments for KBUILD

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Message-ID: <Y62gL0J8ZfWE+RjS@fjasle.eu>
Date:   Thu, 29 Dec 2022 15:11:59 +0100
From:   Nicolas Schier <nicolas@...sle.eu>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH 2/2] kbuild: add more comments for KBUILD_NOCMDDEP=1

On Thu, Dec 29, 2022 at 06:15:01PM +0900 Masahiro Yamada wrote:
> The cmd-check for KBUILD_NOCMDDEP=1 may not be clear until you see
> commit c4d5ee13984f ("kbuild: make KBUILD_NOCMDDEP=1 handle empty
> built-in.o").
> 
> When a phony target (i.e. FORCE) is the only prerequisite, Kbuild
> uses a tricky way to detect that the target does not exist.
> 
> Add more comments.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
>  scripts/Kbuild.include | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

Reviewed-by: Nicolas Schier <nicolas@...sle.eu>


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