[QTBUG-75357] WebEngine: undefined reference to `QWebChannelAbstractTransport::QWebChannelAbstractTransport(QObject*)' - Qt Bug Tracker

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Details

Type: Bug
Status: Closed
Priority: P1: Critical
Resolution: Done
Affects Version/s: 5.13
Fix Version/s: 5.12.4, 5.13.0 Beta4
Component/s: WebEngine
Labels:
None
Environment:
Gentoo Linux

Platform/s:

Linux/X11

Description

After 5b3dfa47 [1], WebEngine builds with WebChannel support enabled fail like so:

/usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: /mnt/rokikaru/portage-stuff/builds/portage/dev-qt/qtwebengine-5.13.9999/work/qtwebengine-5.13.9999_build/src/core/release/obj/QtWebEngineCore/web_channel_ipc_transport_host.o:(.data.rel.ro._ZTVN15QtWebEngineCore26WebChannelIPCTransportHostE[_ZTVN15QtWebEngineCore26WebChannelIPCTransportHostE]+0x10): undefined reference to `QWebChannelAbstractTransport::metaObject() const'
/usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: /mnt/rokikaru/portage-stuff/builds/portage/dev-qt/qtwebengine-5.13.9999/work/qtwebengine-5.13.9999_build/src/core/release/obj/QtWebEngineCore/web_channel_ipc_transport_host.o:(.data.rel.ro._ZTVN15QtWebEngineCore26WebChannelIPCTransportHostE[_ZTVN15QtWebEngineCore26WebChannelIPCTransportHostE]+0x18): undefined reference to `QWebChannelAbstractTransport::qt_metacast(char const*)'
/usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: /mnt/rokikaru/portage-stuff/builds/portage/dev-qt/qtwebengine-5.13.9999/work/qtwebengine-5.13.9999_build/src/core/release/obj/QtWebEngineCore/web_channel_ipc_transport_host.o:(.data.rel.ro._ZTVN15QtWebEngineCore26WebChannelIPCTransportHostE[_ZTVN15QtWebEngineCore26WebChannelIPCTransportHostE]+0x20): undefined reference to `QWebChannelAbstractTransport::qt_metacall(QMetaObject::Call, int, void**)'
collect2: error: ld returned 1 exit status

1. https://code.qt.io/cgit/qt/qtbase.git/commit/?h=5.13&id=5b3dfa470ed7ea40103daa785286ab71fb7aa230