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

[Sedat Dilek]

On Sat, Mar 5, 2022 at 9:09 PM Jiri Olsa <olsajiri@xxxxxxxxx> wrote:
>
> 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 ?
>

Hey jirka!

Indeed there is such a file.

$ LC_ALL=C ll tools/build/feature/test-libperl.make.output
-rw-r--r-- 1 dileks dileks 24K Mar  6 03:22
tools/build/feature/test-libperl.make.output

Reproducer:

make distclean
make -C tools/perf clean

MAKE="make"
MAKE_OPTS="HOSTCC=clang-13 HOSTCXX=clang++-13 HOSTLD=ld.lld-13
HOSTAR=llvm-ar-13 CC=clang-13 LD=ld.lld-13 AR=llvm-ar-13 NM=llvm-nm-13
OBJCOPY=llvm-objcopy-13 OBJDUMP=llvm-objdump-13 OBJSIZE=llvm-size-13
READELF=llvm-readelf-13 STRIP=llvm-strip-13 LLVM_IAS=1"

LC_ALL=C $MAKE V=1 $MAKE_OPTS -C tools/perf PYTHON=python3 install-bin

- Sedat -

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