JS_SOURCES = src/utenti.js JS_BUNDLES = $(patsubst src/%.js, dist/%.min.js, $(JS_SOURCES)) .PHONY: all all: $(JS_BUNDLES) dist/%.min.js: src/%.js rollup -c rollup.config.js $< .PHONY: debug debug: @echo "JS_SOURCES = $(JS_SOURCES)" @echo "JS_BUNDLES = $(JS_BUNDLES)"