Re: [PATCH] configure: Fix building on a ppc64 host with Clang

[Philippe Mathieu-Daudé]

On 1/3/22 14:27, Thomas Huth wrote:
> Clang only supports the -mlittle-endian and -mbig-endian switches,
> and not -mlittle / -mbig. Since GCC supports both, let's use the
> long versions that are supported by both instead.
>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>   configure | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/configure b/configure
> index c56ed53ee3..81618708e4 100755
> --- a/configure
> +++ b/configure
> @@ -630,10 +630,10 @@ case "$cpu" in
>     ppc)
>       CPU_CFLAGS="-m32" ;;
>     ppc64)
> -    CPU_CFLAGS="-m64 -mbig" ;;
> +    CPU_CFLAGS="-m64 -mbig-endian" ;;
>     ppc64le)
>       cpu="ppc64"
> -    CPU_CFLAGS="-m64 -mlittle" ;;
> +    CPU_CFLAGS="-m64 -mlittle-endian" ;;
>   
>     s390)
>       CPU_CFLAGS="-m31" ;;

Mirek sent a similar fix, but it was pending Matheus TCG fixes:

https://lore.kernel.org/qemu-devel/20220131091714.4825-1-mrezanin@redhat.com/
https://lists.gnu.org/archive/html/qemu-ppc/2022-02/msg00116.html