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  1. Qt
  2. QTBUG-80806

REG->5.14: MinGW release builds: windeployqt fails with "Unable to find the platform plugin"

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    • Windows
    • 34b27e650f2c1033e5e92c57beeccc5aabcd3f63 (qt/qttools/5.14)

    Description

      While QTBUG 80763 fixes windeployqt's problems for MinGW Qt 5.14.0 for debug builds, the bug still exists for release builds.

      The reason is that the flag NT FileHeader flag "Debug information stripped" is no longer present in release build of qwindows.dll. So the logic in determineDebugAndDependentLibs() in utils.cpp incorrectly thinks that all .dlls are debug flavored, line 828 and 829:

      // Use logic that's used e.g. in objdump / pfd library
      *isDebugIn = !(nth->FileHeader.Characteristics & IMAGE_FILE_DEBUG_STRIPPED);

      I currently use the workaround

      *isDebugIn = false;

      since I never use debug builds, but it's a bit crude

       

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-81235 windelployqt is broken in Qt5.14 ("unable to find platform plugin")

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-90614 windeployqt.exe does not find platform plugins in release mode

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-80763 REG->5.14: MinGW: windeployqt fails with "Unable to find the platform plugin."

          • 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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-80792 MinGW: Regressions in 5.14.0

          • 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

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-84567 Windeployqt fails with "Unable to find the platform plugin" when using --release switch

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-80806
          # Subject Branch Project Status CR V
          284971,5 windeployqt: Refactor platform enumeration 5.14 qt/qttools Status: MERGED +2 0
          284990,2 windeployqt: Fix deployment of MinGW/release with debug info 5.14 qt/qttools Status: MERGED +2 0

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              kleint Friedemann Kleint
              hskoglund Henry Skoglund
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              Dates

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                Updated:
                Resolved:

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