pututmpent: pututmpent.c
	$(CC) -Wall -o $@ $^
	[ -w / ] || { echo "can't set permissions as you're not root (hint: run 'make' as root)" >&2; exit 1; }
	chown root:root $@
	chmod 1755 $@

clean:
	$(RM) pututmpent

#  In order to make it clear that make has failed, ensure pututmpent
#  is not created if the pre-chown+chmod check fails.
.DELETE_ON_ERROR: