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SubjectRe: [PATCH 01/12] perf tools: Enable LIBBABELTRACE by default
Em Sun, Jan 07, 2018 at 05:03:45PM +0100, Jiri Olsa escreveu:
> There's no reason anymore to treat babel trace in a special way,
> because a) we no longer display its state b) the needed babeltrace
> library is now out and well adopted among distros.

Humm, after I applied this I got:

[acme@jouet perf]$ perf
perf: error while loading shared libraries: libbabeltrace-ctf.so.2: cannot open shared object file: No such file or directory
[acme@jouet perf]$

So it detects it somehow, builds with it, then fails to find it in the
LD_LIBRARY_PATH somehow?

- Arnaldo

> Link: http://lkml.kernel.org/n/tip-n1c2a8hwtf6wlh8e0uiqn8in@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
> tools/perf/Makefile.config | 2 +-
> tools/perf/Makefile.perf | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index f050f38d8fa3..12dec6ea5ed2 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -780,7 +780,7 @@ else
> NO_PERF_READ_VDSOX32 := 1
> endif
>
> -ifdef LIBBABELTRACE
> +ifndef NO_LIBBABELTRACE
> $(call feature_check,libbabeltrace)
> ifeq ($(feature-libbabeltrace), 1)
> CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index 68cf1360a3f3..9fdefd748e2e 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -77,7 +77,7 @@ include ../scripts/utilities.mak
> #
> # Define NO_ZLIB if you do not want to support compressed kernel modules
> #
> -# Define LIBBABELTRACE if you DO want libbabeltrace support
> +# Define NO_LIBBABELTRACE if you do not want libbabeltrace support
> # for CTF data format.
> #
> # Define NO_LZMA if you do not want to support compressed (xz) kernel modules
> --
> 2.13.6

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