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Commit 93f31bbd authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: save $(strip ...) for calling any-prepreq 



The string returned by $(filter-out ...) does not contain any leading
or trailing spaces.

So, only the space that matters is the one between

  $(filter-out $(PHONY),$?)

and

  $(filter-out $(PHONY) $(wildcard $^),$^)

By removing it from the code, we can save $(strip ...) evaluation.
This refactoring is possible because $(any-prereq) is only passed to
the first argument of $(if ...), so we are only interested in whether
or not it is empty.

This is also the prerequisite for the next commit.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 50bcca6a

scripts/Kbuild.include

+2 −2
Original line number Diff line number Diff line
@@ -268,7 +268,7 @@ ifeq ($(KBUILD_VERBOSE),2) 
why =                                                                        \

    $(if $(filter $@, $(PHONY)),- due to target is PHONY,                    \

        $(if $(wildcard $@),                                                 \

            $(if $(strip $(any-prereq)),- due to: $(any-prereq),             \

            $(if $(any-prereq),- due to: $(any-prereq),                      \

                $(if $(cmd-check),                                           \

                    $(if $(cmd_$@),- due to command line change,             \

                        $(if $(filter $@, $(targets)),                       \