From: Willy Tarreau <w@1wt.eu>
To: "Thomas Weißschuh" <linux@weissschuh.net>
Cc: Shuah Khan <shuah@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v3 13/14] tools/nolibc: add __nolibc_static_assert()
Date: Mon, 22 Dec 2025 09:47:37 +0100 [thread overview]
Message-ID: <aUkFqYpKAiiC33iU@1wt.eu> (raw)
In-Reply-To: <20251220-nolibc-uapi-types-v3-13-c662992f75d7@weissschuh.net>
Hi Thomas,
On Sat, Dec 20, 2025 at 02:55:57PM +0100, Thomas Weißschuh wrote:
> Add a wrapper for _Static_assert() to use within nolibc.
> While _Static_assert() itself was only standardized in C11,
> in GCC and clang dialects it is also available in older standards.
>
> Link: https://lore.kernel.org/lkml/20251203192330.GA12995@1wt.eu/
> Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
> ---
> tools/include/nolibc/compiler.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h
> index c9ffd0496dae..a8c7619dcdde 100644
> --- a/tools/include/nolibc/compiler.h
> +++ b/tools/include/nolibc/compiler.h
> @@ -63,4 +63,12 @@
> # define __nolibc_clang_version 0
> #endif /* __clang__ */
>
> +#if __STDC_VERSION__ >= 201112L || \
> + __nolibc_gnuc_version >= __nolibc_version(4, 6, 0) || \
> + __nolibc_clang_version >= __nolibc_version(3, 0, 0)
> +# define __nolibc_static_assert(_t) _Static_assert(_t, "")
> +#else
> +# define __nolibc_static_assert(_t)
> +#endif
> +
Yeah, that's clean this way, I like it!
Acked-by: Willy Tarreau <w@1wt.eu>
next prev parent reply other threads:[~2025-12-22 8:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-20 13:55 [PATCH v3 00/14] tools/nolibc: always use 64-bit time-related types Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 01/14] tools/nolibc/poll: use kernel types for system call invocations Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 02/14] tools/nolibc/poll: drop __NR_poll fallback Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 03/14] tools/nolibc/select: drop non-pselect based implementations Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 04/14] tools/nolibc/time: drop invocation of gettimeofday system call Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 05/14] tools/nolibc: prefer explicit 64-bit time-related system calls Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 06/14] tools/nolibc/gettimeofday: avoid libgcc 64-bit divisions Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 07/14] tools/nolibc/select: avoid libgcc 64-bit multiplications Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 08/14] tools/nolibc: use custom structs timespec and timeval Thomas Weißschuh
2025-12-22 9:38 ` Arnd Bergmann
2025-12-20 13:55 ` [PATCH v3 09/14] tools/nolibc: always use 64-bit time types Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 10/14] selftests/nolibc: test compatibility of nolibc and kernel " Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 11/14] tools/nolibc: remove time conversions Thomas Weißschuh
2025-12-20 13:55 ` [PATCH v3 12/14] tools/nolibc: add compiler version detection macros Thomas Weißschuh
2025-12-22 8:48 ` Willy Tarreau
2025-12-20 13:55 ` [PATCH v3 13/14] tools/nolibc: add __nolibc_static_assert() Thomas Weißschuh
2025-12-22 8:47 ` Willy Tarreau [this message]
2025-12-20 13:55 ` [PATCH v3 14/14] selftests/nolibc: add static assertions around time types handling Thomas Weißschuh
2025-12-22 9:39 ` [PATCH v3 00/14] tools/nolibc: always use 64-bit time-related types Arnd Bergmann
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