all: index.html app.js app.css
.PHONY: all

index.html: index.html.haml app.js app.css
	haml render $< >$@

app.js: app.js.coffee
	coffee -cs <$< >$@

app.css: app.css.sass
	sass $< $@

clean:
	rm -f index.html app.js app.css