In one week, 2025-02-25, or slightly later, I plan to update abseil-cpp from 20240722.1 to 20250127.0 (Abseil LTS branch, January 2025)[1] in side tags for F43/Rawhide. Like all new calendar versions of abseil-cpp, this breaks ABI compatibility and bumps the SONAME version[2].

Testing in COPR[3] indicates all directly-dependent packages are compatible, with a few PR’s mentioned later in this message. It’s also still possible to ship this update in F42/Branched at this point in the release cycle, but I don’t currently plan to do so. (The release notes didn’t provide much motivation.)

Besides abseil-cpp, I plan to rebuild all dependent packages using maintainer/co-maintainer or provenpackager privileges. These packages are:

    - bloaty
    - buildbox
    - credentials-fetcher
    - CuraEngine_grpc_definitions
    - fastnetmon
    - fcitx5-mozc
    - frr
    - grpc
    - ilbc
    - libarrow
    - libphonenumber
    - mozc
    - onnxruntime
    - parlaylib
    - plasma-dialer
    - re2
    - syslog-ng
    - webrtc-audio-processing

In order to do so, I will need to merge these three PR’s, although I am happy to accept feedback or alternative proposals in the coming week:

    - https://src.fedoraproject.org/rpms/onnxruntime/pull-request/9
    - https://src.fedoraproject.org/rpms/mozc/pull-request/7
    - https://src.fedoraproject.org/rpms/fcitx5-mozc/pull-request/6

It looks like webrtc-audio-processing only ends up using "header-only" parts of the abseil-cpp API, and doesn’t currently link any abseil-cpp shared libraries; still, including it in the list above does no harm and might do some good.

Finally, it looks like marble has a legitimate direct BuildRequires on abseil-cpp-devel (in that the build system checks for it), but none of the headers are included and none of the binary packages ends up linking abseil-cpp libraries, so I see no reason to rebuild marble.

Maintainers of all affected packages should have received this email directly (by BCC rather than CC, to keep the message from being held for moderation due to a long CC list).

If you want to handle the rebuild of one of the packages in the above list yourself, or if you have other questions or concerns, please just let me know before 2025-02-25.

While looking for reverse dependencies, I identified two packages that had BuildRequires on abseil-cpp-devel but did not actually use it directly, and whose binary packages did not depend on abseil-cpp. I opened PR’s to remove these BuildRequires, but these don’t need to be merged as part of the update or with any particular urgency.

    - https://src.fedoraproject.org/rpms/parlaylib/pull-request/1
    - https://src.fedoraproject.org/rpms/spacebar/pull-request/4

– Ben Beasley (FAS: music)


[1] https://src.fedoraproject.org/rpms/abseil-cpp/pull-request/26

[2] https://github.com/abseil/abseil-cpp/releases/tag/20250127.0

[3] https://copr.fedorainfracloud.org/coprs/music/abseil-cpp/packages/

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