Flatpak for testing purposes. Includes LUA socket library. Build for Qt 6.10.
$ flatpak install flathub org.kde.Platform//6.10 org.kde.Sdk//6.10
$ flatpak-builder --user --install build-dir com.fceux.FCEUX.json
Application should be available as a link in your desktop environment menu. Also you can run it from command line:
$ flatpak run com.fceux.FCEUX