Re: [Buildroot] [PATCH 1/1] package/apr: fix build failure with GCC >= 14

Am Fri,  3 Jul 2026 20:03:54 +0200 schrieb Fiona Klute via buildroot:

> The workaround in 3d06661fc1bf0f88356981a44cb93b7b0c76a669 for the
> broken C23 check was incorrect: When overriding ac_cv_prog_cc_c23 the
> value must either be "no" (to indicate that C23 is not supported) or
> contain the command line parameters to enable C23 with the C compiler in
> use (e.g. "-std=gnu23", may be an empty string if appropriate). The
> workaround set it to "yes" for host GCC >= 14, making builds fail.
> 
> However, the original issue was that apr may try to enable C23 in host
> CC calls if the target CC supports it. So instead of figuring out the
> correct arguments for GCC >= 14, we can set ac_cv_prog_cc_c23=no only
> for host GCC <= 13 and leave it unset otherwise, as in that case
> enabling C23 will do no harm.
> 
> Fixes: 3d06661fc1bf0f88356981a44cb93b7b0c76a669 Fixes:
> -
> https://autobuild.buildroot.net/results/77c/
77cd5456169e04c2f92dc328c4b6828513d1195f/
> -
> https://autobuild.buildroot.net/results/
7a4/7a4fb2b21027f98df607871d9fe0dd234d44aebb/
> -
> https://autobuild.buildroot.net/results/a6c/
a6cef4c5965fdeb40d3b39cbd40941329f4fc1c8/
> (and more)
> 
> Signed-off-by: Fiona Klute <[email protected]>

Tested-by: Bernd Kuhls <[email protected]>
[build-tested, previous build error seen here is now fixed]

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