Make it clearer, and self-documenting.
Signed-off-by: Masahiro Yamada <masahi...@kernel.org>
---
Makefile | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
index 119a08c90abb..1a4977ad7cd9 100644
--- a/Makefile
+++ b/Makefile
@@ -157,12 +157,14 @@ MAKEFLAGS += --include-dir=$(abs_srctree)
need-sub-make := 1
endif
+this-makefile := $(lastword $(MAKEFILE_LIST))
+
ifneq ($(filter 3.%,$(MAKE_VERSION)),)
# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x
# We need to invoke sub-make to avoid implicit rules in the top Makefile.
need-sub-make := 1
# Cancel implicit rules for this Makefile.
-$(lastword $(MAKEFILE_LIST)): ;
+$(this-makefile): ;
endif
export abs_srctree abs_objtree
@@ -172,7 +174,7 @@ ifeq ($(need-sub-make),1)
PHONY += $(MAKECMDGOALS) sub-make
-$(filter-out _all sub-make $(lastword $(MAKEFILE_LIST)), $(MAKECMDGOALS))
_all: sub-make
+$(filter-out _all sub-make $(this-makefile), $(MAKECMDGOALS)) _all: sub-make
@:
# Invoke a second make in the output directory, passing relevant variables
--
2.25.1
