On Thu, Mar 21, 2024 at 3:01 AM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
>
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> Starting with c23, 'constexpr' is a keyword in C like in C++ and cannot
> be used as an identifier:
>
> scripts/unifdef.c:206:25: error: 'constexpr' can only be used in variable declarations
> 206 | static bool constexpr; /* constant #if expression */
> | ^
> scripts/unifdef.c:880:13: error: expected identifier or '('
> 880 | constexpr = false;
> | ^
>
> Rename this instance to allow changing to C23 at some point in the future.
>
> Fixes: d8379ab1dde3 ("unifdef: update to upstream revision 1.190")
This can be a problem only for future kernels.
Is it worth adding Fixes?
Even if the kernel bumps to C23 at some point,
such a patch will not be backported.
--
Best Regards
Masahiro Yamada
