Re: [Buildroot] [PATCH 1/1] package/glibc: add upstream patch to fix build error with glibc 2.43

From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Bernd Kuhls <bernd@kuhls.net>
Cc: buildroot@buildroot.org, Romain Naour <romain.naour@gmail.com>
Subject: Re: [Buildroot] [PATCH 1/1] package/glibc: add upstream patch to fix build error with glibc 2.43
Date: Sun, 31 May 2026 08:20:37 +0200	[thread overview]
Message-ID: <ahvTE6qnCu2M6tp3@windsurf> (raw)
In-Reply-To: <20260501171432.1701736-1-bernd@kuhls.net>

On Fri, May 01, 2026 at 07:14:32PM +0200, Bernd Kuhls wrote:
> Seen with this defconfig
> 
> BR2_x86_64=y
> BR2_GCC_VERSION_15_X=y
> BR2_TOOLCHAIN_BUILDROOT_CXX=y
> BR2_PACKAGE_PICOTOOL=y
> 
> output/host/x86_64-buildroot-linux-gnu/sysroot/usr/include/bits/struct_mutex.h:35:9:
>  error: declaration does not declare anything [-fpermissive]
>    35 |   short __unused;
> 
> No related autobuilder error was recorded.
> The build error does not occur with glibc-2.42 on the 2026.02.x branch.
> 
> The build error was reported to picotool upstream:
> https://github.com/raspberrypi/picotool/issues/300
> 
> Signed-off-by: Bernd Kuhls <bernd@kuhls.net>

Thanks, applied to master. Do you happen to know why glibc upstream
didn't include this patch in its 2.43 maintenance branch, if it fixes
a bug? Maybe something to report to them?

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