OpenOrienteering Mapper (a Qt-based application built with CMake) fails to start on Fedora 33. The issue was tracked down by Mapper developers to be an instance of LTO induced miscompilation that was thoroughly discussed by experts in https://bugreports.qt.io/browse/QTBUG-86173 and https://bugzilla.opensuse.org/show_bug.cgi?id=1175278. The OO Mapper workaround for Fedora is to disable LTO for the moment. Please revisit your LTO implementation and the toolchain so that Qt applications build correctly again. Further reading: binutils upstream report - https://sourceware.org/bugzilla/show_bug.cgi?id=26407 openSUSE report (where the issue was initially analyzed) - https://bugzilla.opensuse.org/show_bug.cgi?id=1175278 Qt upstream report (where the issue was more thoroughly discussed) - https://bugreports.qt.io/browse/QTBUG-86173 Clear Linux report for Wireshark (identical crash as in Mapper) - https://github.com/clearlinux/distribution/issues/2169 Fedora fix of the same Wireshark bug - https://src.fedoraproject.org/rpms/wireshark/c/e14ec14401ade3c619c14b963b774480d1270b4e temporary openSUSE fix in libqt5core - https://build.opensuse.org/request/show/845064 likely related Fedora bug report for libqt5core - https://bugzilla.redhat.com/show_bug.cgi?id=1873713
This message is a reminder that Fedora 33 is nearing its end of life. Fedora will stop maintaining and issuing updates for Fedora 33 on 2021-11-30. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '33'. Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version. Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 33 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above. Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.
Fedora 33 changed to end-of-life (EOL) status on 2021-11-30. Fedora 33 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.