+pulse: use/sound/pulse; @:
# "bare" ALSA (which is good enough for many of us) with persistent levels
use/sound: @$(call add_feature)
@$(call add,THE_KMODULES,alsa sound)
@$(call add,THE_PACKAGES,amixer alsa-utils aplay udev-alsa)
# PulseAudio (useful for per-app levels, dynamic devices and networked sound) use/sound/pulse: use/sound @$(call add,THE_LISTS,pulseaudio)