# TODO(go): Fix | |
MAKEVER:=$(shell make --version | ruby -n0e 'puts $$_[/Make (\d)/,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 |