Re: [PATCH v2] powerpc/boot: Fix build with gcc 15
From: Michael Ellerman
Date: Sat Mar 29 2025 - 05:11:31 EST
Michal Suchanek <msuchanek@xxxxxxx> writes:
> Similar to x86 the ppc boot code does not build with GCC 15.
>
> Copy the fix from
> commit ee2ab467bddf ("x86/boot: Use '-std=gnu11' to fix build with GCC 15")
>
> Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
> ---
> v2: Move the fix outside of ifdef to apply to all subarchitectures
> ---
> arch/powerpc/boot/Makefile | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index 1ff6ad4f6cd2..210c60d3d4cc 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -32,6 +32,8 @@ else
> BOOTAR := $(AR)
> endif
>
> +BOOTTARGETFLAGS += -std=gnu11
> +
BOOTTARGETFLAGS gets added to CFLAGS and AFLAGS.
I think -std=gnu11 should only be added to CFLAGS. In which case it'd be
better to add it directly to BOOTCFLAGS further down.
cheers