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authorAnton Blanchard <anton@samba.org>2015-05-26 01:53:26 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2015-06-11 10:33:05 +0300
commit1fb3f5a7ca599f322e6bf21272ad215301159aa0 (patch)
tree36f1ed9eafd40ff14abcd9645b2d3a328af32bd5
parentb91c1e3e7a6f22a6b898e345b745b6a43273c973 (diff)
downloadlinux-1fb3f5a7ca599f322e6bf21272ad215301159aa0.tar.xz
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>
-rw-r--r--arch/powerpc/lib/Makefile2
-rw-r--r--lib/raid6/Makefile2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 7902802a19a5..a47e14277fd8 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -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)
diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
index c7dab0645554..3b10a48fa040 100644
--- a/lib/raid6/Makefile
+++ b/lib/raid6/Makefile
@@ -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