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SubjectRe: [PATCH 05/10] libperf: Add _GNU_SOURCE define to compilation

Why?


Em Thu, Oct 17, 2019 at 12:59:13PM +0200, Jiri Olsa escreveu:
> Link: http://lkml.kernel.org/n/tip-m7t1e9kgea4jc3piyvjju7ps@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
> tools/perf/lib/Makefile | 1 +
> tools/perf/lib/tests/Makefile | 2 ++
> 2 files changed, 3 insertions(+)
>
> diff --git a/tools/perf/lib/Makefile b/tools/perf/lib/Makefile
> index 0f233638ef1f..20396f68fcad 100644
> --- a/tools/perf/lib/Makefile
> +++ b/tools/perf/lib/Makefile
> @@ -73,6 +73,7 @@ override CFLAGS += -Werror -Wall
> override CFLAGS += -fPIC
> override CFLAGS += $(INCLUDES)
> override CFLAGS += -fvisibility=hidden
> +override CFLAGS += -D_GNU_SOURCE
>
> all:
>
> diff --git a/tools/perf/lib/tests/Makefile b/tools/perf/lib/tests/Makefile
> index a43cd08c5c03..78c3d8c83c53 100644
> --- a/tools/perf/lib/tests/Makefile
> +++ b/tools/perf/lib/tests/Makefile
> @@ -12,6 +12,8 @@ else
> CFLAGS := -g -Wall
> endif
>
> +CFLAGS += -D_GNU_SOURCE
> +
> all:
>
> include $(srctree)/tools/scripts/Makefile.include
> --
> 2.21.0

--

- Arnaldo

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