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authorPaul Mundt <lethal@linux-sh.org>2007-06-01 17:25:42 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-06-08 02:43:46 +0000
commit6240d92f2f2fb74094b66b3510733fa0a1e2631a (patch)
tree8a9396be85e8902a3514b22dd475556bd8ef83e4 /arch/sh
parentfa1ec92e1dcd4fa4be23db24e4c019c0e4194c89 (diff)
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>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/Makefile12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index ec2d82eda90..aa76167ceb4 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -34,12 +34,14 @@ isa-y := $(isa-y)-nofpu
endif
endif
-cflags-$(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