Re: [Buildroot] [PATCH] package/php-lua: fix build with GCC14

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

Hello Alexis,

On Wed, 06 Aug 2025 11:57:45 +0200
Alexis Lothoré <alexis.lothore@bootlin.com> wrote:

> > Also, do you know what caused the failure? I would suspect an update of
> > PHP.  
> 
> If I trust the upstream pending PR, the failure is due to commit
> 91ef4124e56a ("Refactor zend_object_handlers API to pass zend_object* and
> zend_string* insted of zval(s).") in upstream PHP project. I fail to find
> the corresponding entry in any PHP changelog, but following the git
> history, this has been introduced with PHP 8.0.0. I tried to quickly revert
> to PHP 7.4.20, but this version does not even build anymore on
> current BR (unrelated build failures)
> 
> However I observe that if I switch from Bootlin 'bleeding edge' toolchain
> to 'stable' toolchain, php-lua build succeeds on master. So I guess this
> issue is a mix of API change and compiler update. When using the stable
> toolchain, I see the warning that matches the error I see when using the
> bleeding-edge toolchain (-Wincompatible-pointer-types)

As pointed out in my other e-mail replying to your other patch, this
definitely sounds like a GCC 15.x related issue, where GCC 15.x enabled
more checks, causing a hard build failure where "simple" warnings were
emitted earlier.

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