make: make "all" as phony target

Also, .PHONY have to be specified prior to desired goals,
And it's better to have one line for all goals instead on one line per goal.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

Makefile

@@ -61,6 +61,8 @@ DEPS		:= $(patsubst %.o,%.d,$(OBJS))
 include Makefile.syscall
 include Makefile.pie
 
+.PHONY: all test-legacy zdtm test rebuild clean distclean tags cscope docs help
+
 all: $(PROGRAM)
 
 %.o: %.c
@@ -86,22 +88,18 @@ $(PROGRAM): $(OBJS)
 
 test-legacy: $(PROGRAM)
 	$(Q) $(MAKE) -C test/legacy all
-.PHONY: test-legacy
 
 zdtm: $(PROGRAM)
 	$(Q) $(MAKE) -C test/zdtm all
-.PHONY: zdtm
 
 test: zdtm
 	$(Q) $(SH) test/zdtm.sh
-.PHONY: test
 
 rebuild:
 	$(E) "  FORCE-REBUILD"
 	$(Q) $(RM) -f ./*.o
 	$(Q) $(RM) -f ./*.d
 	$(Q) $(MAKE)
-.PHONY: rebuild
 
 clean: cleanpie cleansyscall
 	$(E) "  CLEAN"
@@ -118,29 +116,24 @@ clean: cleanpie cleansyscall
 	$(Q) $(MAKE) -C test/zdtm clean
 	$(Q) $(MAKE) -C test/zdtm cleanout
 	$(Q) $(MAKE) -C Documentation clean
-.PHONY: clean
 
 distclean: clean
 	$(E) "  DISTCLEAN"
 	$(Q) $(RM) -f ./tags
 	$(Q) $(RM) -f ./cscope*
-.PHONY: distclean
 
 tags:
 	$(E) "  GEN" $@
 	$(Q) $(RM) -f tags
 	$(Q) $(FIND) . -name '*.[hcS]' ! -path './.*' -print | xargs ctags -a
-.PHONY: tags
 
 cscope:
 	$(E) "  GEN" $@
 	$(Q) $(FIND) . -name '*.[hcS]' ! -path './.*' -print > cscope.files
 	$(Q) $(CSCOPE) -bkqu
-.PHONY: cscope
 
 docs:
 	$(Q) $(MAKE) -s -C Documentation all
-.PHONY: docs
 
 help:
 	$(E) '    Targets:'
@@ -153,7 +146,6 @@ help:
 	$(E) '      cscope          - Generate cscope database'
 	$(E) '      rebuild         - Force-rebuild of [*] targets'
 	$(E) '      test            - Run zdtm test-suite'
-.PHONY: help
 
 deps-targets := %.o %.s %.i $(PROGRAM) zdtm test-legacy