Make it clearer, and self-documenting. Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> --- 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
