linux-kernel - Re: [RESEND PATCH] kconfig: Proposed language extension for multiple builds

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Message-ID: <bae2702e-3570-f461-b86f-e56ce82a636e@infradead.org>
Date:   Fri, 10 Mar 2023 21:39:15 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Simon Glass <sjg@...omium.org>, LKML <linux-kernel@...r.kernel.org>
Cc:     U-Boot Custodians <u-boot-custodians@...ts.denx.de>,
        Tom Rini <trini@...sulko.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        barebox@...ts.infradead.org, Sascha Hauer <s.hauer@...gutronix.de>,
        U-Boot Mailing List <u-boot@...ts.denx.de>,
        Jonathan Corbet <corbet@....net>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>, linux-doc@...r.kernel.org,
        linux-kbuild@...r.kernel.org
Subject: Re: [RESEND PATCH] kconfig: Proposed language extension for multiple
 builds

Hi--

On 3/10/23 18:37, Simon Glass wrote:
> (I am sending this again to get more feedback)
> 
> In the case of Linux, only one build is produced so there is only a
> single configuration. For other projects, such as U-Boot and Zephyr, the
> same code is used to produce multiple builds, each with related (but
> different) options enabled.
> 
> This can be handled with the existing kconfig language, but it is quite
> verbose, somewhat tedious and very error-prone, since there is a lot of
> duplication. The result is hard to maintain.
> 
> Describe an extension to the Kconfig language to support easier handling
> of this use case.
> 
> Signed-off-by: Simon Glass <sjg@...omium.org>

IMO Masahiro has already answered this multiple times and I agree with his answers.

For others, the full previous thread is at
  https://lore.kernel.org/all/20230219145453.1.Idaaf79c3e768b85750d5a7eb732052576c5e07e5@changeid/


> ---
> 
>  Documentation/kbuild/kconfig-language.rst | 134 ++++++++++++++++++++++
>  1 file changed, 134 insertions(+)


-- 
~Randy