sh: Wrap CPU tuning through cc-option.
Some compilers don't support the explicit CPU tuning, while binutils
is still able to handle the special subtype-specific opcodes. Make
the CFLAG optional, falling back on the compiler default if nothing
better exists.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index ec2d82ed..aa76167 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -34,12 +34,14 @@
endif
endif
-cflags-$(CONFIG_CPU_SH2) := -m2
-cflags-$(CONFIG_CPU_SH2A) := -m2a $(call cc-option,-m2a-nofpu,)
-cflags-$(CONFIG_CPU_SH3) := -m3
-cflags-$(CONFIG_CPU_SH4) := -m4 \
+cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
+cflags-$(CONFIG_CPU_SH2A) := $(call cc-option,-m2a,) \
+ $(call cc-option,-m2a-nofpu,)
+cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
+cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
$(call cc-option,-mno-implicit-fp,-m4-nofpu)
-cflags-$(CONFIG_CPU_SH4A) := $(call cc-option,-m4a,) $(call cc-option,-m4a-nofpu,)
+cflags-$(CONFIG_CPU_SH4A) := $(call cc-option,-m4a,) \
+ $(call cc-option,-m4a-nofpu,)
cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml