On Tuesday, 18 August 2020 17:12:02 CEST Jeff Law wrote:
> So we're at a point where the F33 FTBFS issues related to LTO that I'm aware
> of
have been resolved (by opting the package out of LTO). I still expect
> some LTO issues will pop up as packages fix things like missing
> dependencies, cmake macros, etc. I continue to be available to investigate
> potential LTO issues, but package maintainers will need to contact me as
> I'm not actively looking for new LTO issues.
>
> My focus is now turning to the packages with LTO opt-outs. I'll be
> extracting
bug reports for upstream (primarily GCC), trying simple
> workarounds for old style symbol versioning, identifying backports from
> upstream GCC that allow us to remove LTO opt-outs and the like. So there
> should be a trickle of opt-outs removed, but otherwise should largely be
> invisible to the F33 release process.
> I'd like to thank everyone involved for being patient while we worked
> through
various issues and I look forward to continuing to make
> incremental improvements now that the bulk of the LTO work has landed.
>
> jeff
>
I have an issue with both Clementine and Strawberry (a fork of Clementine)
in F33 and above, users reported that disabling LTO fixes the problem.
The package builds but segfaults with:
Thread 1 "clementine" received signal SIGSEGV, Segmentation fault.
0x00007ffff77f7e5b in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5
(gdb) bt
#0 0x00007ffff77f7e5b in void doActivate<false>(QObject*, int, void**) () at /lib64/libQt5Core.so.5
#1 0x00007ffff6984ee2 in QGuiApplication::screenAdded(QScreen*) () at /lib64/libQt5Gui.so.5
#2 0x00007ffff697523c in QWindowSystemInterface::handleScreenAdded(QPlatformScreen*, bool) () at /lib64/libQt5Gui.so.5
#3 0x00007fffe3e992b0 in QXcbConnection::initializeScreens() () at /lib64/libQt5XcbQpa.so.5
#4 0x00007fffe3e74bd0 in QXcbConnection::QXcbConnection(QXcbNativeInterface*, bool, unsigned int, char const*) ()
at /lib64/libQt5XcbQpa.so.5
#5 0x00007fffe3e77853 in QXcbIntegration::QXcbIntegration(QStringList const&, int&, char**) () at /lib64/libQt5XcbQpa.so.5
#6 0x00007ffff7fc746f in QXcbIntegrationPlugin::create(QString const&, QStringList const&, int&, char**) ()
at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#7 0x00007ffff697df4b in QPlatformIntegrationFactory::create(QString const&, QStringList const&, int&, char**, QString const&) ()
at /lib64/libQt5Gui.so.5
#8 0x00007ffff6988690 in QGuiApplicationPrivate::createPlatformIntegration() () at /lib64/libQt5Gui.so.5
#9 0x00007ffff6989ca0 in QGuiApplicationPrivate::createEventDispatcher() () at /lib64/libQt5Gui.so.5
#10 0x00007ffff77cff86 in QCoreApplicationPrivate::init() () at /lib64/libQt5Core.so.5
#11 0x00007ffff698c5f4 in QGuiApplicationPrivate::init() () at /lib64/libQt5Gui.so.5
#12 0x00007ffff6f4aef9 in QApplicationPrivate::init() () at /lib64/libQt5Widgets.so.5
#13 0x00007ffff6651fa7 in QtSingleApplication::QtSingleApplication(int&, char**, bool) ()
at /lib64/libQt5Solutions_SingleApplication-2.6.so.1
#14 0x0000555555819db4 in main(int, char**) (argc=<optimized out>, argv=0x7fffffffe4d8)
at /usr/src/debug/clementine-1.4.0-2.rc1.20200617gitedb8c3b.fc33.x86_64/src/main.cpp:330
So right at the beginning of the main function and call to QtSingleApplication.
Qtsingleapplication is old code, not touched in 8 years.
Any ideas as to why LTO won't work with these packages?
Best regards,
Robert-André
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