1 VAR=var 2 VARREF=VAR 3 EMPTY= 4 UNDEFREF=UNDEFINED 5 6 RESULT= 7 8 ifdef VAR 9 RESULT += PASS 10 endif 11 12 ifdef VAR 13 RESULT += PASS 14 else 15 RESULT += FAIL 16 endif 17 ifdef $(VARREF) 18 RESULT += PASS 19 else 20 RESULT += FAIL 21 endif 22 ifdef UNDEFINED 23 RESULT += FAIL 24 else 25 RESULT += PASS 26 endif 27 ifdef $(UNDEFREF) 28 RESULT += FAIL 29 else 30 RESULT += PASS 31 endif 32 ifdef EMPTY 33 RESULT += FAIL 34 else 35 RESULT += PASS 36 endif 37 38 ifndef VAR 39 RESULT += FAIL 40 else 41 RESULT += PASS 42 endif 43 ifndef $(VARREF) 44 RESULT += FAIL 45 else 46 RESULT += PASS 47 endif 48 ifndef UNDEFINED 49 RESULT += PASS 50 else 51 RESULT += FAIL 52 endif 53 ifndef $(UNDEFREF) 54 RESULT += PASS 55 else 56 RESULT += FAIL 57 endif 58 59 ifeq ($(VAR),var) 60 RESULT += PASS 61 else 62 RESULT += FAIL 63 endif 64 ifneq ($(VAR),var) 65 RESULT += FAIL 66 else 67 RESULT += PASS 68 endif 69 70 ifeq ($(UNDEFINED),) 71 RESULT += PASS 72 else 73 RESULT += FAIL 74 endif 75 ifeq (,$(UNDEFINED)) 76 RESULT += PASS 77 else 78 RESULT += FAIL 79 endif 80 81 ifeq ($(VAR), var) 82 RESULT += PASS 83 else 84 RESULT += FAIL 85 endif 86 87 test: 88 echo $(RESULT) 89
