linux-kernel - [PATCH] nds32: vdso: drop unnecessary cc-ldoption

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Date:   Tue, 23 Apr 2019 14:19:31 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     green.hu@...il.com, deanbo422@...il.com
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        clang-built-linux@...glegroups.com,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] nds32: vdso: drop unnecessary cc-ldoption

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@...glegroups.com
Suggested-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
---
 arch/nds32/kernel/vdso/Makefile | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile
index e6c50a701313..d379645cad74 100644
--- a/arch/nds32/kernel/vdso/Makefile
+++ b/arch/nds32/kernel/vdso/Makefile
@@ -11,10 +11,8 @@ obj-vdso := note.o datapage.o sigreturn.o gettimeofday.o
 targets := $(obj-vdso) vdso.so vdso.so.dbg
 obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
 
-ccflags-y := -shared -fno-common -fno-builtin
-ccflags-y += -nostdlib -Wl,-soname=linux-vdso.so.1 \
-		$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
-ccflags-y += -fPIC -Wl,-shared -g
+ccflags-y := -shared -fno-common -fno-builtin -nostdlib -fPIC -Wl,-shared -g \
+	-Wl,-soname=linux-vdso.so.1 -Wl,--hash-style=sysv
 
 # Disable gcov profiling for VDSO code
 GCOV_PROFILE := n
-- 
2.21.0.593.g511ec345e18-goog