auto acp scripted

Makefile

 # 	args = `arg="$(filter-out $@,$(MAKECMDGOALS))" && echo $${arg:-${1}}`
 # 	echo abc 123
 # 	echo arg test > arg_etest.txt
-	cat arg_etest.txt
+# 	cat arg_etest.txt
+	source arg_etest.txt
+	echo myvar: $(MYVARIABLE)
 	$(WEBPACK_DEV_SERVER)
 
 source-package: