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kbuild: refactor if_changed

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'@set -e; $(echo-cmd) $(cmd_$(1)' can be replaced with '$(cmd)'.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2018-11-30 10:05:29 +09:00
parent e5d289100d
commit 67126965ee
1 changed files with 1 additions and 2 deletions
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3
scripts/Kbuild.include
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@ -251,8 +251,7 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
# Execute command if command has changed or prerequisite(s) are updated.
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
$(cmd); \
printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
# Execute the command and also postprocess generated .d dependencies file.