1define inner
 2{$(1)|$(origin 1),$(2)|$(origin 2)}
 3endef
 4
 5define macro
 6$(call inner,$(1)) \
 7$(call inner,test2) \
 8$(call inner,test3,) \
 9$(call inner,test4,macro) \
10$(call inner)
11endef
12
132=global
14
15test:
16	@echo "$(call macro,test1)"
17	@echo "$(call macro)"