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SubjectRe: [PATCH] kbuild: Remove -Waggregate-return from scripts/Makefile.extrawarn
On Wed, May 29, 2019 at 5:16 PM Mathieu Malaterre <malat@debian.org> wrote:
>
> It makes little sense to pass -Waggregate-return these days since large
> part of the linux kernel rely on returning struct(s). For instance:
>
> ../include/linux/timekeeping.h: In function 'show_uptime':
> ../include/linux/ktime.h:91:34: error: function call has aggregate value [-Werror=aggregate-return]
> #define ktime_to_timespec64(kt) ns_to_timespec64((kt))
> ^~~~~~~~~~~~~~~~~~~~~~
> ../include/linux/timekeeping.h:166:8: note: in expansion of macro 'ktime_to_timespec64'
> *ts = ktime_to_timespec64(ktime_get_coarse_boottime());
>
> Remove this warning from W=2 completely.
>
> Signed-off-by: Mathieu Malaterre <malat@debian.org>
> ---

Applied to linux-kbuild. Thanks.



> scripts/Makefile.extrawarn | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
> index 3ab8d1a303cd..98081ab300e5 100644
> --- a/scripts/Makefile.extrawarn
> +++ b/scripts/Makefile.extrawarn
> @@ -34,7 +34,6 @@ warning-1 += $(call cc-option, -Wstringop-truncation)
> warning-1 += -Wno-missing-field-initializers
> warning-1 += -Wno-sign-compare
>
> -warning-2 := -Waggregate-return
> warning-2 += -Wcast-align
> warning-2 += -Wdisabled-optimization
> warning-2 += -Wnested-externs
> --
> 2.20.1
>


--
Best Regards
Masahiro Yamada

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