powerpc: Only use -mabi=altivec if toolchain supports it
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>
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2 changed files with 2 additions and 2 deletions
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@ -33,6 +33,6 @@ obj-$(CONFIG_PPC_LIB_RHEAP) += rheap.o
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obj-$(CONFIG_FTR_FIXUP_SELFTEST) += feature-fixups-test.o
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obj-$(CONFIG_ALTIVEC) += xor_vmx.o
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CFLAGS_xor_vmx.o += -maltivec -mabi=altivec
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CFLAGS_xor_vmx.o += -maltivec $(call cc-option,-mabi=altivec)
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obj-$(CONFIG_PPC64) += $(obj64-y)
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@ -15,7 +15,7 @@ quiet_cmd_unroll = UNROLL $@
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< $< > $@ || ( rm -f $@ && exit 1 )
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ifeq ($(CONFIG_ALTIVEC),y)
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altivec_flags := -maltivec -mabi=altivec
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altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
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endif
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# The GCC option -ffreestanding is required in order to compile code containing
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