>  povray-common-3.6-alt2	Requires	/usr/bin/convert
> +povray-common-3.6-alt2	Requires	/usr/bin/povray
>  povray-common-3.6-alt2	Requires	coreutils

В povray-common есть скрипты, которые используют /usr/bin/povray.

$ rpmpeek povray-common-3.6-alt2.x86_64.rpm grep -rw --include '*.sh' povray . |head -3
./usr/share/povray-3.6/scripts/runpov.sh:povray +GIrerun.ini ${@}
./usr/share/povray-3.6/scripts/rerunpov.sh:povray rerun.ini ${@}
./usr/share/povray-3.6/scripts/render_scene.sh:    povray +L$SCENE_DIR +L$OUTPUT_DIR -i$POV_FILE -o$OUTPUT_DIR/ $OPTIONS $POV_OPTIONS -p
$

Пакеты povray и povray-common будут взаимно зависеть друг от друга.