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Re: [libvirt] [PATCH] aarch64: Disable -fstack-protector.



On 01/01/2014 06:42 AM, Richard W.M. Jones wrote:
> From: "Richard W.M. Jones" <rjones redhat com>
> 
> I'm using gcc-4.8.2-7.fc21.aarch64 which does not appear to support
> this option.
> ---
>  m4/virt-compile-warnings.m4 | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4
> index 1547e03..574fbc4 100644
> --- a/m4/virt-compile-warnings.m4
> +++ b/m4/virt-compile-warnings.m4
> @@ -163,6 +163,9 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
>      dnl -fstack-protector stuff passes gl_WARN_ADD with gcc
>      dnl on Mingw32, but fails when actually used
>      case $host in
> +       aarch64-*-*)
> +       dnl "error: -fstack-protector not supported for this target [-Werror]"
> +       ;;

ACK.  It would be nicer to figure out why gl_WARN_ADD isn't able to flag
this warning as broken for your setup in the first place, but as that's
probably more of a task for gnulib, I'm okay with this patch in the
meantime.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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