Re: [Buildroot] [PATCH] package/lldpd: fix compilation issue with kernel 7.3 on aarch64

From: Vincent Jardin via buildroot <buildroot@buildroot.org>
To: Thibaut Collet <thbt.cllt@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH] package/lldpd: fix compilation issue with kernel 7.3 on aarch64
Date: Tue, 29 Sep 2026 19:05:12 +0200	[thread overview]
Message-ID: <arvvyLRIyf-OFC3G@L30177.local> (raw)
In-Reply-To: <CABH27u-M+7Cn0MiQRtaZfv7mSwq3sG_1h-Pd5v7ooNTNgcU-+A@mail.gmail.com>

Hi Thibaut,

> So removing the uapi include files of lldpd to use the kernel ones is the
> best choice for kernel greater or equal to 4.19 to avoid using outdated
> include files regarding the kernel version.
> Gating the LLDPD_POST_PATCH_HOOKS with 'ifeq
> ($(BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_19),y)' will do the job.
> Do you agree with this solution ?

It seems to be a better approach for me.

> 
> Regarding Vincent question:
> 
> > However, could the lldpd's build framework be updated too with a mean to
> avoid such patch ?
> 
> As spotted in the commit log of lldpd use the right header files to be
> compliant with any kernel version and distribution is an endless loop. For
> buildroot rather than relying on modifications inside the lldpd project it
> can be simpler and faster to just remove them. NB for iproute2 that also
> provides some uapi include files the compilation is OK for kernel 7.3 with
> aarch64 as the provided types.h is more recent and __u128 is defined.

ok, right, same issue.

thanks Thibaut,
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