| # TODO(go): Fix | |
| MAKEVER:=$(shell make --version | grep "Make [0-9]" | sed -E 's/.*Make ([0-9]).*/\1/') | |
| all: a.h.x a.c.x a.h.z a.c.z b.h.x b.c.x b.h.z b.c.z | |
| a.h.%: | |
| echo twice $@ | |
| a.c.%: | |
| echo twice $@ | |
| b.h.% b.c.%: | |
| echo once $@ | |
| b.h.z: pass | |
| # GNU make 4 invokes this rule. | |
| ifeq ($(MAKEVER,3)) | |
| b.c.z: fail | |
| endif | |
| pass: | |
| echo PASS | |
| fail: | |
| echo FAIL |