[PATCH V2] gprofng: a new GNU profiler

[Vladimir Mezentsev]

On 8/26/21 4:12 PM, Peter Kessler (Open Source) via Binutils wrote:
> The version matching problem looks like user-error on my part.  Testing
> the pieces of the failing expression from the configure script
>
>      $ bison --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'
>      3.7.5
>
>      $ cat > ~/tmp/conftest.y <<_ACEOF
>      %require "3.3"
>      %%
>      exp:
>      _ACEOF
>
>      $ bison ~/tmp/conftest.y -o ~/tmp/conftest.c ; echo "exit code: ${?}"
>      bison: /usr/local/share/bison/m4sugar/m4sugar.m4: cannot open: No such file or directory
>      exit code: 1
>
> shows a broken installation of bison.  Not redirecting stderr to
> /dev/null was key.
>
> Now that I have properly installed bison in /usr/local/bin/bison,
> I see
>
>      $ make
>      <snip>
>      checking for bison... bison
>      checking for bison 3.3 or newer... 3.7.5, ok
>      <snip>
>
> So far so good.  But when I run
>
>      $ make install
>      <snip>
>      make[2]: Entering directory '/home/pkessler/Work/GProfNG/BinUtils/binutils-gdb/gprofng'
>      make[3]: Entering directory '/home/pkessler/Work/GProfNG/BinUtils/binutils-gdb/gprofng'
>      make[4]: Entering directory '/home/pkessler/Work/GProfNG/BinUtils/binutils-gdb/gprofng'
>      make[4]: Nothing to be done for 'install-exec-am'.
>      make[4]: Nothing to be done for 'install-data-am'.
>      make[4]: Leaving directory '/home/pkessler/Work/GProfNG/BinUtils/binutils-gdb/gprofng'
>      make[3]: Leaving directory '/home/pkessler/Work/GProfNG/BinUtils/binutils-gdb/gprofng'
>      make[2]: Leaving directory '/home/pkessler/Work/GProfNG/BinUtils/binutils-gdb/gprofng'
>      <snip>
>
> and I do not see anything that looks like a gprofng tool
>
>      $ ls -l /usr/local/bin/g*
>      -rwxr-xr-x 1 root root      3477 Aug 26 12:48 /usr/local/bin/gcore
>      -rwxr-xr-x 1 root root 166372064 Aug 26 12:48 /usr/local/bin/gdb
>      -rwxr-xr-x 1 root root      4587 Aug 26 12:48 /usr/local/bin/gdb-add-index
>      -rwxr-xr-x 1 root root   7689000 Aug 26 12:48 /usr/local/bin/gdbserver
>      -rwxr-xr-x 1 root root   7538816 Aug 26 12:48 /usr/local/bin/gprof
>
> Though all the nearby "g*" tools seem to have been recently installed.
>
> What am I doing wrong?

  Did you configure with -enable-shared  ?

   configure --enable-shared && make install


-Vladimir



>
> A constructive suggestion: Publish a log, from cloning the repo,
> through building and installing gprofng, and a sample collection of an
> experiment and analysis of the experiment. I see the gprofng/doc
> directory, which has a user's guide, but I don't see anything like a
> "builder's guide".
>
> 			... peter
>
> On 8/25/21, 21:17, "Peter Kessler (Open Source)" <peter.kessler@os.amperecomputing.com> wrote:
>
>      I am trying to build gprofng on aarch64.  I cloned https://github.com/oracle/binutils-gdb.git and checked out the oracle/gprofng-v2 branch.  I saw the requirement
>
>      In order to successfully build gprofng, the following versions of
>      external components are required:
>
>      - Bison 3.7.5, or higher
>
>      so I got a copy of https://ftp.gnu.org/gnu/bison/bison-3.7.5.tar.xz, configured, and built it.  I now have
>
>      $ bison --version
>      bison (GNU Bison) 3.7.5
>
>      When I make gprofng, I get the strange error message
>
>      $ make
>      <snip>
>      checking for bison... bison
>      checking for bison 3.3 or newer... 3.7.5, bad
>      configure: error: Building gprofng requires bison 3.3 or later.
>      make[1]: *** [Makefile:6664: configure-gprofng] Error 1
>
>      I would have thought that version 3.7.5 was "newer" than version 3.3.  I would have thought that having the exact version required would ok.
>
>      What am I doing wrong?
>
>                                                      … peter
>
>