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SubjectRe: [PATCH] perf build: remove -Wnested-externs
Em Thu, Dec 24, 2020 at 08:24:06PM +0800, Tian Tao escreveu:
> since commit c93e4aeed1be
> ("Makefile.extrawarn: remove -Wnested-externs warning")
> has removed this check, so it's not needed here.

But the above commit is for the kernel, scripts/Makefile.extrawarn isn't
included in tools/perf/

This is the one used:

[acme@five perf]$ grep nested-externs tools/scripts/Makefile.include
EXTRA_WARNINGS += -Wnested-externs
[acme@five perf]$

But since you're looking at this, you could consider adding
tools/scripts/Makefile.extrawarn out of tools/scripts/Makefile.include,
etc, to better mimic what is in the kernel sources :-)

Thanks,

- Arnaldo

> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
> ---
> tools/perf/Makefile.config | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index ce8516e..b9e8634 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -16,7 +16,7 @@ $(shell printf "" > $(OUTPUT).config-detected)
> detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
> detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
>
> -CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
> +CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
>
> include $(srctree)/tools/scripts/Makefile.arch
>
> --
> 2.7.4
>

--

- Arnaldo

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