Make target for building everything

Makefile

@@ -1,3 +1,8 @@
+MAKEABLE_PACKAGES=syntax syntax-playground
+
+all:
+	for p in $(MAKEABLE_PACKAGES); do $(MAKE) -C packages/$$p; done
+
 bootstrap:
 	npx lerna bootstrap
 

packages/syntax/Makefile

@@ -1,6 +1,6 @@
 .PHONY: build
 
-build: clean
+build:
 	mkdir -p lib
 	cat node_modules/@babel/parser/lib/index.js babel_parser_suffix.js > lib/babel_parser.js
 	npx babel src --out-dir lib