Re: [Buildroot] [PATCH] package/perl: fix build issue with musl

[Julien Olivain via buildroot <buildroot@buildroot.org>]

On 26/08/2026 22:33, Thomas Petazzoni via buildroot wrote:
> perl does not build with musl due to memrchr() being unavailable. This
> is caused by a perl-cross bug, which does function availability
> detection with _GNU_SOURCE defined, but then does the build without
> _GNU_SOURCE defined. At least OpenEmbedded and NixOS have faced the
> same issue, and worked it around in slightly different ways.
> 
> On our side, we create a patch, which was submitted upstream, to solve
> the issue.
> 
> This issue has been introduced in perl-cross commit b40c560f5d5e,
> which was first merged in perl-cross release 1.4.1. From a Buildroot
> perspective, we bumped from perl-cross 1.4 to 1.4.1 in commit
> 8a289667f5dba6fffb3a21faa14517e9b49726a4, which was merged
> 2023.05. And indeed the build failure can be reproduced even on our
> LTS 2025.02.x, so the fix needs to be backported there.
> 
> It should be noted that even if the patch is against perl-cross, we
> add it to package/perl/ directly, as patches in perl are applied after
> perl has been extracted *and* perl-cross has been extracted on top.
> 
> Fixes:
> 
>   
> https://autobuild.buildroot.net/results/3e47ade0963642988fd8e1be9a6e8042700619ec/
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

Applied to master, thanks.
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