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Message-ID: <20240421091605.4b4e7d2e@inria.fr>
Date: Sun, 21 Apr 2024 09:16:05 +0200
From: Jₑₙₛ Gustedt <jens.gustedt@...ia.fr>
To: Markus Wichmann <nullplan@....net>
Cc: musl@...ts.openwall.com
Subject: Re: Alignment attribute in headers
Hi,
on Sun, 21 Apr 2024 06:54:28 +0200 you (Markus Wichmann
<nullplan@....net>) wrote:
> …
> #ifdef __GNUC__
> /* use attribute */
> #elif __STDC_VERSION >= 201100L /* I can never remember the month */
> /* use _Alignas */
> #elif __cplusplus >= 201100L
> /* use alignas */
> #endif
Since this is unified starting with C23 and I think we morally should
have C conformance first and fallbacks only if imperatively needed
I would go for
#if __STDC_VERSION >= 202311L || __cplusplus >= 201100L
/* use alignas */
#elif __STDC_VERSION >= 201100L
/* use _Alignas */
#elif __GNUC__
/* use attribute */
#endif
Jₑₙₛ
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