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Subject[PATCH] powerpc: vdso: drop unnecessary cc-ldoption
From
Towards the goal of removing cc-ldoption, it seems that --hash-style=
was added to binutils 2.17.50.0.2 in 2006. The minimal required version
of binutils for the kernel according to
Documentation/process/changes.rst is 2.20.

Link: https://gcc.gnu.org/ml/gcc/2007-01/msg01141.html
Cc: clang-built-linux@googlegroups.com
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
---
arch/powerpc/kernel/vdso32/Makefile | 5 ++---
arch/powerpc/kernel/vdso64/Makefile | 5 ++---
2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index ce199f6e4256..06f54d947057 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -26,9 +26,8 @@ GCOV_PROFILE := n
KCOV_INSTRUMENT := n
UBSAN_SANITIZE := n

-ccflags-y := -shared -fno-common -fno-builtin
-ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
- $(call cc-ldoption, -Wl$(comma)--hash-style=both)
+ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
+ -Wl,-soname=linux-vdso32.so.1 -Wl,--hash-style=both
asflags-y := -D__VDSO32__ -s

obj-y += vdso32_wrapper.o
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 28e7d112aa2f..32ebb3522ea1 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -12,9 +12,8 @@ GCOV_PROFILE := n
KCOV_INSTRUMENT := n
UBSAN_SANITIZE := n

-ccflags-y := -shared -fno-common -fno-builtin
-ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
- $(call cc-ldoption, -Wl$(comma)--hash-style=both)
+ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
+ -Wl,-soname=linux-vdso64.so.1 -Wl,--hash-style=both
asflags-y := -D__VDSO64__ -s

obj-y += vdso64_wrapper.o
--
2.21.0.593.g511ec345e18-goog
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