Re: [Buildroot] [PATCH] package/systemd: remove several Kernel config options

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

Hello Norbert, James, Marcus,

On Wed, 19 Nov 2025 16:48:18 +0100
Norbert Lange <nolange79@gmail.com> wrote:

> All those features are optional and prevent customization of the kernel.
> Forcing IPv6 is particularly nasty.
> 
> This reverts parts of "package/systemd: bump to version 256.4"
> 
> Signed-off-by: Norbert Lange <nolange79@gmail.com>

Thanks for the patch, and thanks everyone for participating to the
discussion.

Buildroot's "philosophy" has always been to be reasonably minimal. So I
would tend to agree with both Norbert and Marcus that we should not
enable all possible options that may be needed for all possible
use-cases. We want to enable what's needed to get our systemd package
to "work" as-is, but not necessarily every possible feature that the
user may use through systemd unit files or specific features.

However, it would be good to draw a clear line, and rather than
applying Norbert's patch as-is, I'd prefer to see a commit that cleans
up those options, with a comment on top of SYSTEMD_LINUX_CONFIG_FIXUPS
that documents our "policy" on this, like "Following what's documented
at https://github.com/systemd/systemd/blob/v257.10/README, by enabling
all mandatory options, leaving disabled only 'recommended' options,
with the exception of A, B, C because blabla".

Norbert, or Marcus, do you think you could propose something like this?

Thanks a lot!

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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