linux-kernel - Re: [Linux-v5.17-rc6] Building tools/perf with perl v5.34

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Date:   Sat, 5 Mar 2022 21:09:14 +0100
From:   Jiri Olsa <olsajiri@...il.com>
To:     Sedat Dilek <sedat.dilek@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Linux-v5.17-rc6] Building tools/perf with perl v5.34

On Sat, Mar 05, 2022 at 08:52:18AM +0100, Sedat Dilek wrote:
> Hi,
> 
> I am here on Debian/unstable AMD64 which switched over to perl v5.34
> in February 2022.
> 
> Unfortunately, my perf does not build with this (lib)perl version:
> 
> $ ~/bin/perf -vv
> perf version 5.17-rc6
>                 dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
>    dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
>                 glibc: [ on  ]  # HAVE_GLIBC_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: [ OFF ]  # 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
>                   aio: [ on  ]  # HAVE_AIO_SUPPORT
>                  zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
>               libpfm4: [ OFF ]  # HAVE_LIBPFM
> 
> $ grep libperl ../make-log_perf-python3.10-install_bin.txt
> 9:Makefile.config:788: Missing perl devel files. Disabling perl
> scripting support, please install perl-ExtUtils-Embed/libperl-dev
> 22:...                       libperl: [ OFF ]
> 
> Checking for these requirements:
> 
> # dpkg -l | grep perl | grep 5.34 | awk '/^ii/ {print $1 " " $2 " "
> $3}' | column -t
> ii  libperl-dev:amd64  5.34.0-3
> ii  libperl5.34:amd64  5.34.0-3
> ii  perl               5.34.0-3
> ii  perl-base          5.34.0-3
> ii  perl-modules-5.34  5.34.0-3
> 
> # dpkg -L perl-modules-5.34 | grep -i ExtUtils | grep -i Embed
> /usr/share/perl/5.34.0/ExtUtils/Embed.pm
> 
> Can you please comment on this?

hi,
is there something in tools/build/feature/test-libperl.make.output ?

jirka