riscv: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig

masahir0y · palmer-dabbelt · commit ee5928843a93 · 2018-10-22T17:38:15.000-07:00
This becomes much neater in Kconfig.

Signed-off-by: Masahiro Yamada &lt;yamada.masahiro@socionext.com&gt;
Signed-off-by: Palmer Dabbelt &lt;palmer@sifive.com&gt;
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
@@ -113,6 +113,7 @@ 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
@@ -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
