[PATCH] riscv: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig

[Masahiro Yamada]

This becomes much neater in Kconfig.

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 arch/riscv/Kconfig  | 1 +
 arch/riscv/Makefile | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index a344980..ed81df4 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -112,6 +112,7 @@ config ARCH_RV32I
 config ARCH_RV64I
        bool "RV64I"
        select 64BIT
+       select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000
        select HAVE_FUNCTION_TRACER
        select HAVE_FUNCTION_GRAPH_TRACER
        select HAVE_FTRACE_MCOUNT_RECORD
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 61ec424..33700e4 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -25,8 +25,6 @@ ifeq ($(CONFIG_ARCH_RV64I),y)
 
        KBUILD_CFLAGS += -mabi=lp64
        KBUILD_AFLAGS += -mabi=lp64
-       
-       KBUILD_CFLAGS   += $(call cc-ifversion, -ge, 0500, 
-DCONFIG_ARCH_SUPPORTS_INT128)
 
        KBUILD_MARCH = rv64im
        KBUILD_LDFLAGS += -melf64lriscv
-- 
2.7.4