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

["Andreas Färber" <afaerber@suse.de>]

Am 02.08.2012 17:41, schrieb Peter Maydell:
> Ping?

Alex? Christian?

> 
> -- PMM
> 
> On 18 July 2012 12:10, Peter Maydell <peter.maydell@linaro.org> wrote:
>> The code creating the symlink from linux-headers/asm to the
>> architecture specific linux-headers/asm-$arch directory was
>> implicitly hardcoding a list of KVM supporting architectures.
>> Add a default case for the common "Linux architecture name and
>> QEMU CPU name match" case, so future architectures will only
>> need to add code if they've managed to get mismatched names.
>>
>> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
>> ---
>> This means there's now only one place where configure has a
>> list of KVM enabled targets (the check where we set CONFIG_KVM).
>> I think we have to have one list, but we don't need to have
>> more than one...
>>
>> NB: this patch means we'll now set up an asm/ link for
>> s390 as well as s390x. That should be harmless (s390 can't be
>> trying to include any headers from asm/ or it wouldn't build).
>>
>>  configure |   14 +++++++++++---
>>  1 files changed, 11 insertions(+), 3 deletions(-)
>>
>> diff --git a/configure b/configure
>> index 0a3896e..c8d2895 100755
>> --- a/configure
>> +++ b/configure
>> @@ -3482,15 +3482,23 @@ if test "$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

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