commit 0209987fc81c8118e9fc99a115a45b273e8acc75
author Masahiro Yamada <yamada.masahiro@socionext.com> Tue Mar 26 15:32:16 2019 +0900
committer Masahiro Yamada <yamada.masahiro@socionext.com> Mon Apr 01 10:06:00 2019 +0900
tree 52854fdd779067eba1fbce29a4f089e1dac6bc7d
parent 669e06b19de8f844521a55afbdddbbccf26e5322

kbuild: fix warning "overriding recipe for target 'Makefile'"

If you do "make Makefile" with GNU Make 3.x, the following warning
is displayed:

  $ make Makefile
  Makefile:165: warning: overriding recipe for target 'Makefile'
  Makefile:51: warning: ignoring old recipe for target 'Makefile'
  make[1]: Nothing to be done for 'Makefile'.
  make: Nothing to be done for 'Makefile'.

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

Makefile

diff --git a/Makefile b/Makefile
index ab635a5..f30b375 100644
--- a/Makefile
+++ b/Makefile
@@ -161,7 +161,7 @@
 
 PHONY += $(MAKECMDGOALS) sub-make
 
-$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
+$(filter-out _all sub-make $(lastword $(MAKEFILE_LIST)), $(MAKECMDGOALS)) _all: sub-make
 	@:
 
 # Invoke a second make in the output directory, passing relevant variables