Commit 1fb3f5a7 authored May 26, 2015 by Anton Blanchard Committed by Michael Ellerman Jun 11, 2015

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>

parent b91c1e3e

arch/powerpc/lib/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)

lib/raid6/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -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