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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Sam James <sam@gentoo.org>
cc: pgsql-bugs@lists.postgresql.org
Subject: Re: Build failure with GCC 15 (defaults to -std=gnu23)
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Comments: In-reply-to Sam James <sam@gentoo.org>
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Sam James <sam@gentoo.org> writes:
> postgres-17.1 fails to build with upcoming GCC 15 which defaults to
> -std=gnu23 as follows:

I do not think we claim to support C23 yet.

Having said that, I can reproduce this on gcc 14 using -std=gnu23.
It appears that configure is deciding that <stdbool.h> is not
conformant to C99 because it doesn't declare "bool" as a macro.
Did C23 really remove that !?

			regards, tom lane