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  • Is there a point to retaining src:pth?

    From =?utf-8?B?0L3QsNCx?=@21:1/5 to All on Sun Nov 17 03:30:01 2024
    Hi!

    src:pth has been gone from testing since August.
    There are no rdeps and no rbuilddeps,
    and only FTBFS bugs since like 2012.
    I can hardly imagine a point to Pth at all in 2024
    (or any time after ubiquitous pthread support),
    so it reads to me like an easy QA removal.

    But, this seems incongruent with the
    inst~15000 + vote~15 popcon
    (admittedly, with a peak of 50k, that may just be latent).

    What am I missing here? Is there any reason for any one
    to install libpth{20,-dev} at any time any more?

    Best,

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  • From Ben Hutchings@21:1/5 to All on Sun Nov 17 11:30:01 2024
    On Sun, 2024-11-17 at 03:22 +0100, наб wrote:
    Hi!

    src:pth has been gone from testing since August.
    There are no rdeps and no rbuilddeps,
    and only FTBFS bugs since like 2012.
    I can hardly imagine a point to Pth at all in 2024
    (or any time after ubiquitous pthread support),
    so it reads to me like an easy QA removal.

    But, this seems incongruent with the
    inst~15000 + vote~15 popcon
    (admittedly, with a peak of 50k, that may just be latent).

    I'm not seeing those numbers. Maybe because pth had an ABI bump for
    time64 and libpth20 is no longer on the graph.

    What am I missing here? Is there any reason for any one
    to install libpth{20,-dev} at any time any more?

    GnuPG once used pth, but switched to npth over a decade ago. As
    recently as bullseye, pth still had some significant reverse- (build-)dependencies:

    $ grep-dctrl -FBuild-Depends -sPackage libpth-dev /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_main_source_Sources
    Package: gcc-9
    Package: libdap
    Package: pianobar
    Package: unicon
    Package: zhcon
    $ grep-dctrl -FDepends -sPackage libpth20 /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_main_binary-amd64_Packages
    Package: libgm2-0
    Package: genometools-common
    Package: libpth-dev
    Package: zhcon

    but it does seem like it can be dropped now.

    Ben.

    --
    Ben Hutchings
    If more than one person is responsible for a bug, no one is at fault.


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  • From =?utf-8?B?0L3QsNCx?=@21:1/5 to Ben Hutchings on Sun Nov 17 15:40:01 2024
    On Sun, Nov 17, 2024 at 11:21:00AM +0100, Ben Hutchings wrote:
    On Sun, 2024-11-17 at 03:22 +0100, наб wrote:
    src:pth has been gone from testing since August.
    There are no rdeps and no rbuilddeps,
    and only FTBFS bugs since like 2012.
    I can hardly imagine a point to Pth at all in 2024
    (or any time after ubiquitous pthread support),
    so it reads to me like an easy QA removal.

    But, this seems incongruent with the
    inst~15000 + vote~15 popcon
    (admittedly, with a peak of 50k, that may just be latent).
    I'm not seeing those numbers. Maybe because pth had an ABI bump for
    time64 and libpth20 is no longer on the graph.
    Had to dig these out of the graph manually:
    https://qa.debian.org/popcon-graph.php?packages=libpth20t64+libpth20+libpth-dev&show_vote=on&show_old=on&want_legend=on&want_ticks=on&from_date=&to_date=&hlght_date=&date_fmt=%25Y-%25m&beenhere=1
    https://qa.debian.org/popcon-graph.php?packages=libpth20t64+libpth20+libpth-dev&show_vote=on&show_old=on&want_legend=on&want_ticks=on&from_date=2020-01-01&to_date=&hlght_date=&date_fmt=%25Y-%25m&beenhere=1

    What am I missing here? Is there any reason for any one
    to install libpth{20,-dev} at any time any more?
    GnuPG once used pth, but switched to npth over a decade ago.
    That historical context was what I was missing,
    and certainly matches the peak and cliff.

    As recently as bullseye, pth still had some significant reverse-(build-)dependencies:
    This looked like a scary prospect,
    $ grep-dctrl -FBuild-Depends -sPackage libpth-dev /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_main_source_Sources
    Package: gcc-9
    Package: libdap
    Package: pianobar
    Package: unicon
    Package: zhcon
    $ grep-dctrl -FDepends -sPackage libpth20 /var/lib/apt/lists/deb.debian.org_debian_dists_bullseye_main_binary-amd64_Packages
    Package: libgm2-0
    Package: genometools-common
    Package: libpth-dev
    Package: zhcon
    but from the changelogs and relevant bugs,
    it looks like all of these specced that by accident as a left-over.

    So it was deeply vestigial even in bullseye,
    and the maintainer trimmed it off most of the way.

    but it does seem like it can be dropped now.
    https://bugs.debian.org/1087708

    Thanks,

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