[PATCH 1/1] arch/powerpc: Remove redundant typedef for bool

[Mukesh Kumar Chaurasiya]

On Sun, Mar 23, 2025 at 11:36:06AM -0500, Misbah Anjum N wrote:
> Hi,
> 
> I noticed that a patch addressing the same issue has been proposed by
> Michal Suchanek:
> https://lore.kernel.org/linuxppc-dev/Z86liwlwP5WvrEkw@kitsune.suse.cz/T/#t
> 
> The existing patch addresses the compilation error by modifying the Makefile
> to use `gnu11` with `BOOTTARGETFLAGS`. This is a practical approach to avoid
> the error in the short term.
> 
> This patch builds on that work by providing a long-term solution that ensures
> compatibility with C23 while maintaining backward compatibility. Specifically:
>     - It uses `__STDC_VERSION__` to conditionally define the `bool` typedef only
>     for pre-C23 standards.
>     - It ensures that the code is future-proof and ready for upcoming C23 standards,
>     where `bool`, `true`, and `false` are reserved keywords.
>     - It avoids reliance on compiler-specific flags, making the code more portable
>     and standards-compliant.
> 
> Changlog:
>     - Adding version check via __STDC_VERSION__
>     - If  __STDC_VERSION__ < C23, 'typedef int bool' is defined as usual
>     - If __STDC_VERSION__ >= C23, the typedef redundancy is removed
> 
> The patch has been tested with:
>     - gcc (GCC) 15.0.1 20250228 (Red Hat 15.0.1-0)
>     - gcc (GCC) 14.2.1 20250110 (Red Hat 14.2.1-7)
> 
> Thanks,
> Misbah Anjum N
> 
> 
> Misbah Anjum N (1):
>   arch/powerpc: Remove redundant typedef for bool
> 
>  arch/powerpc/boot/types.h | 2 ++
>  1 file changed, 2 insertions(+)
>
Reviewed-by: Mukesh Kumar Chaurasiya <mchauras at linux.ibm.com>
> -- 
> 2.49.0
>