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  1. Qt
  2. QTBUG-94511

Investigate suitability of zlib-ng to replace zlib

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    Details

    • Type: Task
    • Status: Reported
    • Priority: P3: Somewhat important
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Build System: CMake, Core: Other
    • Labels:
      None

      Description

      The zlib project has a fairly long history of ignoring pull requests on GitHub. The zlib-ng project is a more actively maintained alternative that aims to be API compatible. CMake is considering adding zlib-ng to the set of package names it considers in its FindZLIB module. Given those points, it is a valid question whether Qt should consider replacing the zlib it currently vendors in its qtbase/src/3rdparty area with zlib-ng instead. This should be investigated as a potential improvement to maintainability.

      It has the same (liberal) license as the original, includes optimisations for modern systems and has unburdened itself of support for antique systems and compilers, enabling further optimisations.

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          is duplicated by

          Suggestion - Public suggestions QTBUG-64530 Qt optimization suggestion: replace bundled zlib with SIMD optimized zlib-ng

          • P4: Low - Would be nice to fix, but it's not very important.
          • Reported
          relates to

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-104524 Consider shipping ship zlib dll, and/or removing zlib internal sources

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Open

          Sub-task - The sub-task of the issue QTBUG-94410 Qt 6.2.0: 3rd party component update: Qt Core

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              Assignee:
              qtbuildsystem Qt Build System Team
              Reporter:
              crscott Craig Scott
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                Dates

                Created:
                Updated:

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