Re: [Qemu-devel] [PATCH] configure: Don't implicitly hardcode list of KVM architectures

[Peter Maydell]

Ping?

-- PMM

On 18 July 2012 12:10, Peter Maydell <address@hidden> wrote:
> The code creating the symlink from linux-headers/asm to the
> architecture specific linux-headers/asm-$arch directory was
> implicitly hardcoding a list of KVM supporting architectures.
> Add a default case for the common "Linux architecture name and
> QEMU CPU name match" case, so future architectures will only
> need to add code if they've managed to get mismatched names.
>
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> This means there's now only one place where configure has a
> list of KVM enabled targets (the check where we set CONFIG_KVM).
> I think we have to have one list, but we don't need to have
> more than one...
>
> NB: this patch means we'll now set up an asm/ link for
> s390 as well as s390x. That should be harmless (s390 can't be
> trying to include any headers from asm/ or it wouldn't build).
>
>  configure |   14 +++++++++++---
>  1 files changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/configure b/configure
> index 0a3896e..c8d2895 100755
> --- a/configure
> +++ b/configure
> @@ -3482,15 +3482,23 @@ if test "$linux" = "yes" ; then
>    mkdir -p linux-headers
>    case "$cpu" in
>    i386|x86_64)
> -    symlink "$source_path/linux-headers/asm-x86" linux-headers/asm
> +    linux_arch=x86
>      ;;
>    ppcemb|ppc|ppc64)
> -    symlink "$source_path/linux-headers/asm-powerpc" linux-headers/asm
> +    linux_arch=powerpc
>      ;;
>    s390x)
> -    symlink "$source_path/linux-headers/asm-s390" linux-headers/asm
> +    linux_arch=s390
> +    ;;
> +  *)
> +    # For most CPUs the kernel architecture name and QEMU CPU name match.
> +    linux_arch="$cpu"
>      ;;
>    esac
> +    # For non-KVM architectures we will not have asm headers.
> +    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
> +        symlink "$source_path/linux-headers/asm-$linux_arch" 
> linux-headers/asm
> +    fi
>  fi
>
>  for target in $target_list; do
> --
> 1.7.5.4
>
>