linux-kernel - Re: [PATCH v4 05/15] init: add nolibc build support

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Message-ID: <20250703-able-benevolent-gharial-ecbfd2@l-nschier-aarch64>
Date: Thu, 3 Jul 2025 16:01:10 +0200
From: Nicolas Schier <nicolas.schier@...ux.dev>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: Masahiro Yamada <masahiroy@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, Willy Tarreau <w@....eu>,
	Thomas Weißschuh <linux@...ssschuh.net>,
	Brendan Higgins <brendan.higgins@...ux.dev>,
	David Gow <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>,
	Shuah Khan <shuah@...nel.org>, Jonathan Corbet <corbet@....net>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
	linux-doc@...r.kernel.org, workflows@...r.kernel.org
Subject: Re: [PATCH v4 05/15] init: add nolibc build support

On Thu, Jun 26, 2025 at 08:10:13AM +0200, Thomas Weißschuh wrote:
> Building userspace applications through the kbuild "userprogs" framework
> requires a libc. Kernel toolchains often do not contain a libc.
> In this case it is useful to use the nolibc library from the kernel tree.
> Nolibc does not support all architectures and requires compiler flags.
> 
> Add a kconfig option, so users can know where it is available and provide a
> variable for common options.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
> ---
>  MAINTAINERS          |  2 ++
>  init/Kconfig         |  2 ++
>  init/Kconfig.nolibc  | 15 +++++++++++++++
>  init/Makefile.nolibc | 13 +++++++++++++
>  4 files changed, 32 insertions(+)

Reviewed-by: Nicolas Schier <n.schier@....de>

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