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SubjectRe: [PATCH v4 2/6] perf tools: Promote proper messages for cross-platform unwind
On Thu, May 19, 2016 at 11:47:38AM +0000, He Kuang wrote:

SNIP

> #endif /* ARCH_PERF_COMMON_H */
> diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
> index 1e46277..a86b864 100644
> --- a/tools/perf/config/Makefile
> +++ b/tools/perf/config/Makefile
> @@ -345,6 +345,12 @@ ifeq ($(ARCH),powerpc)
> endif
>
> ifndef NO_LIBUNWIND
> + ifeq ($(feature-libunwind-x86), 1)
> + LIBUNWIND_LIBS += -lunwind-x86
> + $(call detected,CONFIG_LIBUNWIND_X86)
> + CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
> + endif
> +

how does one install that lirary?

thanks,
jirka

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