Some targets are internal-use only.
It is tedious to care about "what if __build_one_by_one is contained
in $(MAKECMDGOALS)?" etc.
Prefix internal targets with double underscores. Stop parsing Makefile
if they are directly run.
Signed-off-by: Masahiro Yamada <masahi...@kernel.org>
---
Makefile | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/Makefile b/Makefile
index 1a4977ad7cd9..1162cb04860c 100644
--- a/Makefile
+++ b/Makefile
@@ -11,9 +11,12 @@ NAME = Kleptomaniac Octopus
# Comments in this file are targeted only to the developer, do not
# expect to learn how to build the kernel reading this file.
+$(if $(filter __%, $(MAKECMDGOALS)), \
+ $(error targets prefixed with '__' are only for internal use))
+
# That's our default target when none is given on the command line
-PHONY := _all
-_all:
+PHONY := __all
+__all:
# We are using a recursive build, so we need to do a little thinking
# to get the ordering right.
@@ -172,13 +175,13 @@ export sub_make_done := 1
ifeq ($(need-sub-make),1)
-PHONY += $(MAKECMDGOALS) sub-make
+PHONY += $(MAKECMDGOALS) __sub-make
-$(filter-out _all sub-make $(this-makefile), $(MAKECMDGOALS)) _all: sub-make
+$(filter-out $(this-makefile), $(MAKECMDGOALS)) __all: __sub-make
@:
# Invoke a second make in the output directory, passing relevant variables
-sub-make:
+__sub-make:
$(Q)$(MAKE) -C $(abs_objtree) -f $(abs_srctree)/Makefile $(MAKECMDGOALS)
endif # need-sub-make
@@ -323,7 +326,7 @@ ifdef mixed-build
PHONY += $(MAKECMDGOALS) __build_one_by_one
-$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
+$(MAKECMDGOALS): __build_one_by_one
@:
__build_one_by_one:
@@ -598,12 +601,12 @@ else #!config-build
# targets and others. In general all targets except *config targets.
# If building an external module we do not care about the all: rule
-# but instead _all depend on modules
+# but instead __all depend on modules
PHONY += all
ifeq ($(KBUILD_EXTMOD),)
-_all: all
+__all: all
else
-_all: modules
+__all: modules
endif
# Decide whether to build built-in, modular, or both.
@@ -625,7 +628,7 @@ endif
# in addition to whatever we do anyway.
# Just "make" or "make all" shall build modules as well
-ifneq ($(filter all _all modules nsdeps,$(MAKECMDGOALS)),)
+ifneq ($(filter all modules nsdeps,$(MAKECMDGOALS)),)
KBUILD_MODULES := 1
endif
--
2.25.1
