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kbuild: remove sed command from cmd_ar_builtin

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Replace a pipeline of echo and sed with printf to decrease process forks.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
This commit is contained in:
Masahiro Yamada 2022-06-14 14:51:49 +09:00
parent 31f6d95c2c
commit 5439d4d4dc
1 changed files with 2 additions and 3 deletions
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5
scripts/Makefile.build
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@ -358,9 +358,8 @@ $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
quiet_cmd_ar_builtin = AR $@
cmd_ar_builtin = rm -f $@; \
echo $(patsubst $(obj)/%,%,$(real-prereqs)) | \
sed -E 's:([^ ]+):$(obj)/\1:g' | \
xargs $(AR) cDPrST $@
$(if $(real-prereqs), printf "$(obj)/%s " $(patsubst $(obj)/%,%,$(real-prereqs)) | xargs) \
$(AR) cDPrST $@
$(obj)/built-in.a: $(real-obj-y) FORCE
$(call if_changed,ar_builtin)