# -*- makefile -*- # convert all .flv in subtree to .mp3 IN := $(shell find -name '*.flv') MP3=$(IN:.flv=.mp3) OGG=$(IN:.flv=.ogg) .PHONY: all mp3 ogg all: mp3 mp3: $(MP3) ogg: $(OGG) %.wav: %.flv flv2wav "$<" "$@" 2>/dev/null %.mp3: %.wav lame --quiet "$<" "$@"