| .PHONY: foo |
| echo PASS phony foo |
| .PHONY: bar |
| .PHONY: test4 |
| |
| # if no foo target, but foo is .PHONY, don't warn |
| # "Circular baz <- foo dependency dropped.". |
| baz: foo |
| echo baz |
| |
| test1: foo bar baz |
| echo PASS test1 from foo bar baz |
| |
| # Actually, you can use .PHONY! |
| test2: .PHONY |
| |
| test3: |
| touch test4 |
| |
| test4: |
| echo PASS test4 |
| |
| # test5 is similar with test1, but foo2 has command. |
| # foo2 runs once to build test5 even if it appears twice |
| # test5 <- foo2, test5 <- baz2 <- foo2. |
| .PHONY: foo2 |
| |
| foo2: |
| echo foo2 |
| baz2: foo2 |
| echo baz2 |
| |
| test5: foo2 bar baz2 |
| echo PASS test5 from foo bar baz |
| |
