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Date:   Thu, 28 Feb 2019 23:11:34 +0300
From:   Alexey Budankov <alexey.budankov@...ux.intel.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 01/10] feature: implement libzstd check, LIBZSTD_DIR
 and NO_LIBZSTD defines


On 28.02.2019 21:46, Arnaldo Carvalho de Melo wrote:
> Em Thu, Feb 28, 2019 at 11:59:01AM +0300, Alexey Budankov escreveu:
>> +++ b/tools/build/Makefile.feature
>> @@ -66,7 +66,8 @@ FEATURE_TESTS_BASIC :=                  \
>>          sched_getcpu			\
>>          sdt				\
>>          setns				\
>> -        libaio
>> +        libaio				\
>> +        libzstd
> 
> Since you added this as a basic feature to test, add this when you
> resubmit, so that 'perf -vv' tells us that this basic feature is indeed
> present.

Yes, will do. Actually came to similar idea when 
observed your test report in pull requests:

# perf version --build-options
  perf version 5.0.rc5.gde667c
                   dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
      dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                   glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
                    gtk2: [ on  ]  # HAVE_GTK2_SUPPORT
           syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                  libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                  libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
                 libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
  numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                 libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
               libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
                libslang: [ on  ]  # HAVE_SLANG_SUPPORT
               libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
               libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
      libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                    zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                    lzma: [ on  ]  # HAVE_LZMA_SUPPORT
               get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                     bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT

and it misses HAVE_ZSTD_SUPPORT define.

Thanks,
Alexey

> 
> 
> diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
> index 50df168be326..d41197fc8cef 100644
> --- a/tools/perf/builtin-version.c
> +++ b/tools/perf/builtin-version.c
> @@ -78,6 +78,7 @@ static void library_status(void)
>  	STATUS(HAVE_LZMA_SUPPORT, lzma);
>  	STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
>  	STATUS(HAVE_LIBBPF_SUPPORT, bpf);
> +	STATUS(HAVE_ZSTD_SUPPORT, bpf);
>  }
>  
>  int cmd_version(int argc, const char **argv)
> 

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