https://bugzilla.redhat.com/show_bug.cgi?id=2164233
--- Comment #7 from Byoungchan Lee <byoungchan.lee(a)gmx.com> ---
If I modify openttd to force the use of X11, it works fine.
```
SDL_SetHint(SDL_HINT_VIDEODRIVER, "x11");
```
It also works fine when I remove FcFini function calls from openttd.
I ran gdb to understand what happened with the fontconfig call, and I attached
the result. When SDL2 uses Wayland, Pango is also used, which uses fontconfig.
By the way, I discovered that Pango calls FcInit but not FcFini. Also, FcInit
is called from a thread other than the main thread, whereas openttd proceeds
with all fontconfig-related function call on the main thread.
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https://bugzilla.redhat.com/show_bug.cgi?id=2164233