Quel est le but de . PHONY dans un Makefile

99

foo: bar   create_one_from_the_other foo bar 

.PHONY: clean clean:   rm -rf *.o 

80

prerit@vvdn105:~/test$ ls hello  hello.c  makefile 

hello:hello.c     cc hello.c -o hello 

make: `hello' is up to date. 

cc hello.c -o hello 

.PHONY:hello  hello:hello.c     cc hello.c -o hello 

hello:     cc hello.c -o hello 

make: `hello' is up to date. 

73

.PHONY: install