1 define or1 2 $(or , \ 3 ,,) 4 endef 5 6 define or2 7 $(or ,,, \ 8 ) 9 endef 10 11 define or3 12 $(or , , ,) 13 endef 14 15 define var 16 A\ 17 18 B 19 endef 20 21 define var2 22 A\ 23 \ 24 25 B 26 endef 27 28 define var3 29 A\ 30 B 31 endef 32 33 test: 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)) 40