Re: [PATCH 1/2] perf: add per-feature check flags

From: Ingo Molnar
Date: Tue Nov 26 2013 - 12:56:56 EST



* Jean Pihet <jean.pihet@xxxxxxxxxx> wrote:

> Add CFLAGS and LDFLAGS for each feature to be checked. This allows
> to pass flags and parameters to the feature checks compilation.
> Also simplifies the feature check makefile, to come in a subsequent patch.
>
> Signed-off-by: Jean Pihet <jean.pihet@xxxxxxxxxx>
> ---
> tools/perf/config/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
> index f7d11a8..c551495 100644
> --- a/tools/perf/config/Makefile
> +++ b/tools/perf/config/Makefile
> @@ -102,7 +102,7 @@ endif
>
> feature_check = $(eval $(feature_check_code))
> define feature_check_code
> - feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS="$(LDFLAGS)" LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
> + feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
> endef

Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>

Thanks,

Ingo
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