1define or1
 2$(or , \
 3 ,,)
 4endef
 5
 6define or2
 7$(or ,,, \
 8)
 9endef
10
11define or3
12$(or  ,  ,  ,)
13endef
14
15define var
16A\
17
18B
19endef
20
21define var2
22A\
23\
24
25B
26endef
27
28define var3
29A\
30B
31endef
32
33test:
34	echo $(if $(call or1),FAIL,PASS)_or1
35	echo $(if $(call or2),FAIL,PASS)_or2
36	echo $(if $(call or3),FAIL,PASS)_or3
37	$(info $(var))
38	$(info $(var2))
39	$(info $(var3))