Hi, as reported in PR62248 there is a typo in gcc/config.gcc where --with-fpu doesn't match -mfpu option for fp-armv8 value (fp-arm-v8 in config.gcc). Here is the patch to fix it.
Thanks, Yvan 2014-08-27 Yvan Roux <yvan.r...@linaro.org> * config.gcc: Fix fp-armv8 option for arm*-*-* targets.
diff --git a/gcc/config.gcc b/gcc/config.gcc index 6862c127..3f68e3e 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -3528,7 +3528,7 @@ case "${target}" in | vfp | vfp3 | vfpv3 \ | vfpv3-fp16 | vfpv3-d16 | vfpv3-d16-fp16 | vfpv3xd \ | vfpv3xd-fp16 | neon | neon-fp16 | vfpv4 | vfpv4-d16 \ - | fpv4-sp-d16 | neon-vfpv4 | fp-arm-v8 | neon-fp-armv8 \ + | fpv4-sp-d16 | neon-vfpv4 | fp-armv8 | neon-fp-armv8 \ | crypto-neon-fp-armv8) # OK ;;