| Fumitoshi Ukai | c43c44b | 2015-04-07 11:17:31 +0900 | [diff] [blame] | 1 | # expect protoc compile/link only once. |
| 2 | test: foo | ||||
| 3 | |||||
| 4 | foo: foo.o bar.o | ||||
| 5 | echo link $@ from $< | ||||
| 6 | |||||
| 7 | %.o: %.c FORCE_DO_CMD | ||||
| 8 | echo compile $@ from $< | ||||
| 9 | |||||
| 10 | .PHONY: FORCE_DO_CMD | ||||
| 11 | FORCE_DO_CMD: | ||||
| 12 | |||||
| 13 | foo.c: | protoc | ||||
| 14 | |||||
| 15 | foo.c: foo.proto | ||||
| 16 | echo protoc $@ from $< | ||||
| 17 | |||||
| 18 | foo.proto: | ||||
| 19 | |||||
| 20 | bar.c: | protoc | ||||
| 21 | |||||
| 22 | bar.c: bar.proto | ||||
| 23 | echo protoc $@ from $< | ||||
| 24 | |||||
| 25 | bar.proto: | ||||
| 26 | |||||
| 27 | protoc: proto.o | ||||
| 28 | echo link $@ from $< | ||||
| 29 | |||||
| 30 | proto.c: | ||||