[Bug 268652] Qt5: Some apps fails to start after upgrading to 5.15.8

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 18 Jan 2023 08:57:06 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268652

--- Comment #17 from Tomoaki AOKI <junchoon@dec.sakura.ne.jp> ---
(In reply to Tatsuki Makino from comment #15)

Tried both

 env LC_ALL= LC_MESSAGES= LANG= vlc

 env -u LC_ALL -u LC_MESSAGES -u LANG vlc

without luck, unfortunately.

% env -u LC_ALL -u LC_MESSAGES -u LANG vlc 
VLC media player 3.0.18 Vetinari (revision fb4ef23dde67)
[00000008295c7060] main libvlc: Running vlc with the default interface. Use
'cvlc' to use vlc without interface.
qt.qpa.plugin: Could not find the Qt platform plugin "xcb" in ""
This application failed to start because no Qt platform plugin could be
initialized. Reinstalling the application may fix this problem.

zsh: abort (core dumped)  env -u LC_ALL -u LC_MESSAGES -u LANG vlc

% lldb --core ~/vlc.core --file /usr/local/bin/vlc
(lldb) target create "/usr/local/bin/vlc" --core "/home/junchoon/vlc.core"
Core file '/home/junchoon/vlc.core' (x86_64) was loaded.
(lldb) bt
* thread #1, name = 'vlc', stop reason = signal SIGABRT
  * frame #0: 0x000000082314d6fa libc.so.7`__sys_thr_kill + 10
    frame #1: 0x00000008230c2624 libc.so.7`__raise + 52
    frame #2: 0x000000082317861c libc.so.7`abort + 76
    frame #3: 0x0000000866067679 libQt5Core.so.5`___lldb_unnamed_symbol7134 + 9
    frame #4: 0x000000086606c1e2 libQt5Core.so.5`QMessageLogger::fatal(char
const*, ...) const + 216
    frame #5: 0x0000000861c78d49
libQt5Gui.so.5`QGuiApplicationPrivate::createPlatformIntegration() + 6681
    frame #6: 0x0000000861c78d70
libQt5Gui.so.5`QGuiApplicationPrivate::createEventDispatcher() + 32
    frame #7: 0x00000008662353a6
libQt5Core.so.5`QCoreApplicationPrivate::init() + 1510
    frame #8: 0x0000000861c7336a libQt5Gui.so.5`QGuiApplicationPrivate::init()
+ 42
    frame #9: 0x0000000864a975be libQt5Widgets.so.5`QApplicationPrivate::init()
+ 14
    frame #10: 0x0000000860233af0 libqt_plugin.so`___lldb_unnamed_symbol4088 +
208
    frame #11: 0x00000008602339b6 libqt_plugin.so`___lldb_unnamed_symbol4086 +
38
    frame #12: 0x0000000821ba29ae libthr.so.3`___lldb_unnamed_symbol556 + 318
(lldb)

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