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>
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

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