[PATCH v1] kbuild: Allow building of samples with UML

[Nicolas Schier]

On Wed, Dec 18, 2024 at 12:51:23PM +0100, Mickaël Salaün wrote:
> It's useful to build samples/* with UML and the only blocker is the
> artificial incompatibility with CONFIG_HEADERS_INSTALL.
> 
> Allow the headers_install target with ARCH=um, which then allow building
> samples (and tests using them) with UML too:
> 
>   printf 'CONFIG_SAMPLES=y\nCONFIG_HEADERS_INSTALL=y\nCONFIG_SAMPLE_LANDLOCK=y\n' >.config
>   make ARCH=um olddefconfig headers_install
>   make ARCH=um samples/landlock/
> 
> Cc: Anton Ivanov <anton.ivanov at cambridgegreys.com>
> Cc: Johannes Berg <johannes at sipsolutions.net>
> Cc: Masahiro Yamada <masahiroy at kernel.org>
> Cc: Nathan Chancellor <nathan at kernel.org>
> Cc: Nicolas Schier <nicolas at fjasle.eu>
> Cc: Richard Weinberger <richard at nod.at>
> Fixes: 1b620d539ccc ("kbuild: disable header exports for UML in a straightforward way")
> Signed-off-by: Mickaël Salaün <mic at digikod.net>
> ---
>  Makefile          | 1 -
>  lib/Kconfig.debug | 1 -
>  2 files changed, 2 deletions(-)
> 

Thanks, looks good to me.

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