TOOL=requirejs .PHONY: all all: $(TOOL).js .PHONY: $(TOOL).js $(TOOL).js: if [ ! -e require.js ]; then curl -O http://requirejs.org/docs/release/2.3.3/comments/require.js; fi if [ ! -e r.js ]; then curl -O http://requirejs.org/docs/release/2.3.3/r.js; fi node r.js -o build.js