linux-kernel - Re: [PATCH] perf report: Fix build-test error for make_minimal

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Date:   Fri, 24 Mar 2017 21:57:46 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     jolsa@...nel.org, Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, milian.wolff@...b.com, yao.jin@...el.com
Subject: Re: [PATCH] perf report: Fix build-test error for make_minimal_O
 target

Em Sat, Mar 25, 2017 at 04:23:41PM +0800, Jin Yao escreveu:
> make -C tools/perf build-test

Thanks, I'll fold this with the patch where the problem happened,

- Arnaldo
 
> The error is "undefined reference to dso__demangle_sym".
> 
> This patch adds the dso__dmangle_sym() in symbol-minimal.c to fix it.
> 
> Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>
> ---
>  tools/perf/util/symbol-minimal.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
> index 11cdde9..870ef0f 100644
> --- a/tools/perf/util/symbol-minimal.c
> +++ b/tools/perf/util/symbol-minimal.c
> @@ -373,3 +373,10 @@ int kcore_copy(const char *from_dir __maybe_unused,
>  void symbol__elf_init(void)
>  {
>  }
> +
> +char *dso__demangle_sym(struct dso *dso __maybe_unused,
> +			int kmodule __maybe_unused,
> +			char *elf_name __maybe_unused)
> +{
> +	return NULL;
> +}
> -- 
> 2.7.4