kbuild: specify FORCE in Makefile.headersinst as .PHONY target

Swap the order of ".PHONY: $(PHONY)" and "PHONY += FORCE"
so that FORCE is correctly specified as a .PHONY target.

Use a preferred way for specifying $(subdirs) as .PHONY targets.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index c6fb2b75d813..086a821ba8f5 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -26,7 +26,7 @@ subdirs       := $(patsubst $(srcdir)/%/,%,\
 # Recursion
 __headers: $(subdirs)
 
-.PHONY: $(subdirs)
+PHONY += $(subdirs)
 $(subdirs):
         $(Q)$(MAKE) $(hdr-inst)=$(obj)/$@ dst=$(dst)/$@
 
@@ -123,6 +123,7 @@ endif
 
 endif # skip-inst
 
-.PHONY: $(PHONY)
 PHONY += FORCE
 FORCE: ;
+
+.PHONY: $(PHONY)