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kbuild: remove ar-option and KBUILD_ARFLAGS

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Commit 40df759e2b ("kbuild: Fix build with binutils <= 2.19")
introduced ar-option and KBUILD_ARFLAGS to deal with old binutils.

According to Documentation/process/changes.rst, the current minimal
supported version of binutils is 2.21 so you can assume the 'D' option
is always supported. Not only GNU ar but also llvm-ar supports it.

With the 'D' option hard-coded, there is no more user of ar-option
or KBUILD_ARFLAGS.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
This commit is contained in:
Masahiro Yamada
2019-09-21 15:49:54 +09:00
parent 54ecb8f702
commit 13dc8c029c
6 changed files with 3 additions and 17 deletions
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2
arch/powerpc/boot/Makefile
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@@ -50,7 +50,7 @@ endif
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -nostdinc
BOOTARFLAGS := -cr$(KBUILD_ARFLAGS)
BOOTARFLAGS := -crD
ifdef CONFIG_CC_IS_CLANG
BOOTCFLAGS += $(CLANG_FLAGS)