Re: [PATCH v2 4/8] configure: Disable out-of-line atomic operations on Aarch64

[Paolo Bonzini]

On 2/15/22 18:01, Philippe Mathieu-Daudé via wrote:
> +
> +case "$cpu" in
> +  aarch64)
> +    write_c_skeleton;
> +    if compile_prog "$CPU_CFLAGS -Werror -mno-outline-atomics" "" ; then
> +      CPU_CFLAGS="-mno-outline-atomics $CPU_CFLAGS"
> +    fi
> +    ;;

Apart from the question of whether/how to work around this issue, this 
should not be added to CPU_CFLAGS.  CPU_CFLAGS is only for things that 
change the ABI.

Paolo