| all: a b c d e f g h | |
| a: A:=PASS_A | |
| a: A+=A | |
| a: | |
| echo A=$(A) | |
| # Note: for some reason, make does not insert a whitespace before OK. | |
| B:=FAIL_B | |
| b: B+=OK | |
| b: | |
| echo B=$(B) | |
| B:= | |
| C:=PASS_C | |
| c: C?=FAIL_CC | |
| c: | |
| echo C=$(C) | |
| d: D?=PASS_D | |
| d: | |
| echo D=$(D) | |
| PASS_E:=PASS | |
| e: E:= | |
| e: E+=$(PASS_E) | |
| e: | |
| echo E=$(E) | |
| PASS_E:=FAIL | |
| PASS_F:=FAIL | |
| f: F= | |
| f: F+=$(PASS_F) | |
| f: | |
| echo F=$(F) | |
| PASS_F:=PASS | |
| PASS_G:=FAIL | |
| G:=X | |
| g: G+=$(PASS_G) | |
| g: | |
| echo G=$(G) | |
| PASS_G:=PASS | |
| PASS_H:=FAIL | |
| H=X | |
| h: H+=$(PASS_H) | |
| h: | |
| echo H=$(H) | |
| PASS_H:=PASS |