On Sun, Jan 15, 2023 at 11:52 AM Paul Eggert <eggert@cs.ucla.edu> wrote:

> On 2023-01-14 17:51, Paul Eggert wrote:
>
> > We already have two copies of that stuff elsewhere (in lib/stdalign.in.h
> > and m4/stdalign.m4), for reasons that currently escape me.
>
> To try to address that in an upward-compatible way, I installed the
> attached. This shrinks the number of copies of that code down to one.
> The basic idea is to prefer C23 semantics in apps and the rest of Gnulib
> by using the new alignasof module, whereas the existing stdalign module
> is now for C11/C17 compatibility and is now deprecated.


Your patch fixed the issue I did not try regenerating the gnulib in the
concerned project but copied the change manually to test. AFAICT c++ looks
to be not affected

>