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authorAnton Blanchard <anton@samba.org>2015-05-26 00:53:26 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2015-06-11 09:33:05 +0200
commit1fb3f5a7ca599f322e6bf21272ad215301159aa0 (patch)
tree36f1ed9eafd40ff14abcd9645b2d3a328af32bd5 /arch/powerpc/lib
parentpowerpc: Fix duplicate const clang warning in user access code (diff)
downloadlinux-1fb3f5a7ca599f322e6bf21272ad215301159aa0.tar.xz
linux-1fb3f5a7ca599f322e6bf21272ad215301159aa0.zip
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>
Diffstat (limited to 'arch/powerpc/lib')
-rw-r--r--arch/powerpc/lib/Makefile2
1 files changed, 1 insertions, 1 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)