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kbuild: reduce KBUILD_SINGLE_TARGETS as descending into subdirectories

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KBUILD_SINGLE_TARGETS does not need to contain all the targets.
Change it to keep track the targets only from the current directory
and its subdirectories.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-10-16 14:15:46 +09:00
parent 35e046a203
commit 203126293c
1 changed files with 3 additions and 3 deletions
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6
scripts/Makefile.build
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@ -469,15 +469,15 @@ targets += $(call intermediate_targets, .asn1.o, .asn1.c .asn1.h) \
ifdef single-build
KBUILD_SINGLE_TARGETS := $(filter $(obj)/%, $(KBUILD_SINGLE_TARGETS))
curdir-single := $(sort $(foreach x, $(KBUILD_SINGLE_TARGETS), \
$(if $(filter $(x) $(basename $(x)).o, $(targets)), $(x))))
# Handle single targets without any rule: show "Nothing to be done for ..." or
# "No rule to make target ..." depending on whether the target exists.
unknown-single := $(filter-out $(addsuffix /%, $(subdir-ym)), \
$(filter $(obj)/%, \
$(filter-out $(curdir-single), \
$(KBUILD_SINGLE_TARGETS))))
$(filter-out $(curdir-single), $(KBUILD_SINGLE_TARGETS)))
__build: $(curdir-single) $(subdir-ym)
ifneq ($(unknown-single),)