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  1. Qt
  2. QTBUG-70348

Broken ARM binary for QtWebEngine with LTCG

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Details

    • Bug
    • Resolution: Done
    • P1: Critical
    • 5.12.0 Alpha
    • 5.11.2, 5.12.0
    • Build System, WebEngine
    • None
    • linux imx6
    • Linux/Other display system

    Description

      When qtbase is configured with -ltcg (for Link Time Code Generation), the ARM binary for QtWebEngine is broken. The compilation completes without errors, but at runtime if fails to launch. Following assembler warning are produced in the compilation:

      {standard input}: Assembler messages:
{standard input}:4810: Warning: blx to '_ZN28QExplicitlySharedDataPointerIN18QtWebEnginePrivate29QWebEngineCallbackPrivateBaseIRK10QByteArrayEEED1Ev' an ARM ISA state function changed to bl
{standard input}:4865: Warning: blx to '_ZN28QExplicitlySharedDataPointerIN18QtWebEnginePrivate29QWebEngineCallbackPrivateBaseIiEEED1Ev' an ARM ISA state function changed to bl
{standard input}:4921: Warning: blx to '_ZN28QExplicitlySharedDataPointerIN18QtWebEnginePrivate29QWebEngineCallbackPrivateBaseIiEEED1Ev' an ARM ISA state function changed to bl
{standard input}:5166: Warning: blx to '_ZN28QExplicitlySharedDataPointerIN18QtWebEnginePrivate29QWebEngineCallbackPrivateBaseIbEEED1Ev' an ARM ISA state function changed to bl
{standard input}: Assembler messages:
{standard input}:845: Warning: blx to '_ZN18QSharedDataPointerI26QWebEngineUrlSchemePrivateED1Ev' an ARM ISA state function changed to bl
{standard input}:870: Warning: blx to '_ZN18QSharedDataPointerI26QWebEngineUrlSchemePrivateED1Ev' an ARM ISA state function changed to bl
{standard input}:1050: Warning: blx to '_ZN18QSharedDataPointerI26QWebEngineUrlSchemePrivateED1Ev' an ARM ISA state function changed to bl

      Built using GCC 6.4.0

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          is required for

          Task - A task that needs to be done. QTBUG-68688 Turn on link time optimisations by default

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-69808 QtWebEngine crash on embedded linux

          • 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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              qt_webengine_team Qt WebEngine Team
              sapiippo Samuli Piippo
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              Dates

                Created:
                Updated:
                Resolved:

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