OUTDIR := min
CLOSUREDIR := ~/src/closure-compiler
JS := $(wildcard *.js)
JSMIN := $(patsubst %.js,$(OUTDIR)/%.min.js,$(JS))

all: $(JSMIN)

$(OUTDIR)/%.min.js: %.js | $(OUTDIR)
	cd $(CLOSUREDIR) && java -jar compiler.jar --js $(abspath $<) >| $(abspath $@)

$(OUTDIR):
	-mkdir $(OUTDIR)