Self-built VLC crashes when choosing theme on Linux Mint 21.3

[Bestest]

I posted an issue on the gitlab tracker at https://code.videolan.org/videolan/vlc/-/issues/28535 , and I'm moving it here per the developer's request.

I'm trying to compile VLC on Linux Mint 21.3 since I need a fix that's in a newer version than the apt repository, and relies on personal files, so the snap wouldn't work well for it.
I pulled the latest commit from the gitlab page, I ran

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sudo apt-get build-dep vlc

and installed the dependancies, I ran

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./bootstrap

, I ran

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./configure

, and I ran

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make

. I was having issues with GTK, but after the developer's message, I uninstalled gtk2, and now the application boots.



However, I want to use the classic VLC theme. When I try and run the resulting executable, from tools > customize interface, and then choosing any option from the drop-down besides default profile, the log (from ./vlc -vvv) outputs the following:

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[00007ff76df56b18] [qt] main generic debug: using extension module "lua" [0000558114824170] [qt] qt generic warning: qml message qrc:/dialogs/ToolbarEditorDialog.qml:87 QML ComboBoxExt: Binding loop detected for property "implicitHeight" [0000558114824170] [qt] qt generic warning: qml message qrc:/player/controlbarcontrols/ArtworkInfoWidget.qml:98 QML ScaledImage: Binding loop detected for property "sourceSize" [0000558114824170] [qt] qt generic warning: qml message qrc:/player/controlbarcontrols/ArtworkInfoWidget.qml:98 QML ScaledImage: Binding loop detected for property "sourceSize"

looping sourceSize many times before vlc crashes with a segfault and no new information.

My guess is that I'm missing some qt5 or qml package, or that I installed one that conflicts with another; build-deps didn't get all of them, and while I installed enough to deal with the configure warnings, I imagine I must have still missed some. Please let me know if any more information is necessary.

[Rémi Denis-Courmont]

build-dep only works if you want to reproduce the build from your (Debian-based) distro packaging system, so yeah, it's only an incomplete baseline.

As far as I know, classic mode is not implemented (yet).