[libvirt] [PATCH] Check for presence of qemu -nodefconfig option before using it

[Laine Stump]

>
> On 06/24/2010 12:52 PM, Laine Stump wrote:
>    
>> We previously assumed that if the -device option existed in qemu, that
>> -nodefconfig would also exist. It turns out that isn't the case, as
>> demonstrated by qemu-kvm-0.12.3 in Fedora 13.
>>
>> */src/qemu/qemu_conf.[hc] - add a new QEMUD_CMD_FLAG, set it via the
>>                              help output, and check it before adding
>>                              -nodefconfig to the qemu commandline.
>> ---
>>   src/qemu/qemu_conf.c |    5 ++++-
>>   src/qemu/qemu_conf.h |    1 +
>>   2 files changed, 5 insertions(+), 1 deletions(-)
>>      
> Does this impact any of the existing test cases for qemu -h parsing?
>    

No.

> And if not, should we add a new file to tests/qemuhelpdata/ that exposes
> a known qemu version that does support -nodefconfig?
>    

I don't think there is currently a publicly available qemu release that 
supports -nodefconfig. Should we wait until one exists, or dummy up a 
test file?