+DEPS=deps/react.development.js \
+deps/react-dom.development.js \
+deps/react.production.min.js \
+deps/react-dom.production.min.js
+
+checksums:
+ sha512sum --strict -c checksums.sha512
+
+deps: $(DEPS) checksums
+
+dev: deps
+ cp deps/react.development.js react.js
+ cp deps/react-dom.development.js react-dom.js
+
+prod: deps
+ cp deps/react.production.min.js react.js
+ cp deps/react-dom.production.min.js react-dom.js
+
+deps/react.development.js:
+ wget -nv -nc -P deps https://unpkg.com/react@16/umd/react.development.js
+
+deps/react-dom.development.js:
+ wget -nv -nc -P deps https://unpkg.com/react-dom@16/umd/react-dom.development.js
+
+deps/react.production.min.js:
+ wget -nv -nc -P deps https://unpkg.com/react@16/umd/react.production.min.js
+
+deps/react-dom.production.min.js:
+ wget -nv -nc -P deps https://unpkg.com/react-dom@16/umd/react-dom.production.min.js
+