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powerpc: Only use -mabi=altivec if toolchain supports it

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The -mabi=altivec option is not recognised on LLVM, so use call cc-option
to check for support.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anton Blanchard 2015-05-26 08:53:26 +10:00 committed by Michael Ellerman
parent b91c1e3e7a
commit 1fb3f5a7ca
2 changed files with 2 additions and 2 deletions
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2
arch/powerpc/lib/Makefile
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@ -33,6 +33,6 @@ obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o
obj-$(CONFIG_FTR_FIXUP_SELFTEST) += feature-fixups-test.o
obj-$(CONFIG_ALTIVEC) += xor_vmx.o
CFLAGS_xor_vmx.o += -maltivec -mabi=altivec
CFLAGS_xor_vmx.o += -maltivec $(call cc-option,-mabi=altivec)
obj-$(CONFIG_PPC64) += $(obj64-y)

2
lib/raid6/Makefile
View File

@ -15,7 +15,7 @@ quiet_cmd_unroll = UNROLL $@
< $< > $@ || ( rm -f $@ && exit 1 )
ifeq ($(CONFIG_ALTIVEC),y)
altivec_flags := -maltivec -mabi=altivec
altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
endif
# The GCC option -ffreestanding is required in order to compile code containing