Hi, Package latest version 0.9.13 (https://github.com/TASEmulators/desmume/releases) could fix this issue regarding SDL because according to the changelog file:
$ rgrep -C 2 SDL desmume/ChangeLog Linux: note: SDL2 now employed note: GTK3 port added, built with meson note: CLI and GTK ports improved, according to their respective niche (gaming vs functionality) Any Debian VCS to facilitate contributions? Regards, Patrice