Re: [Qemu-devel] [RFC PATCH v3 00/11] qemu-ga: fsfreeze on Windows using VSS

[Paolo Bonzini]

Il 23/05/2013 15:28, Stefan Hajnoczi ha scritto:
> On Thu, May 23, 2013 at 3:20 PM, Paolo Bonzini <address@hidden> wrote:
>> Il 23/05/2013 14:15, Stefan Hajnoczi ha scritto:
>>> On Tue, May 21, 2013 at 11:33:33AM -0400, Tomoki Sekiyama wrote:
>>>> * How to build & run qemu-ga with VSS support
>>>>
>>>>  - Download Microsoft VSS SDK from:
>>>>    http://www.microsoft.com/en-us/download/details.aspx?id=23490
>>>>
>>>>  - Setup the SDK
>>>>    scripts/extract-vsssdk-headers setup.exe (on POSIX-systems)
>>>>
>>>>  - Specify installed SDK directory to configure option as:
>>>>    ./configure -with-vss-sdk="path/to/VSS SDK" 
>>>> --cross-prefix=i686-w64-mingw32-
>>>
>>> Are there any plans to make this more developer-friendly?  In the Linux
>>> world it's unusual to download third-party SDKs; development headers are
>>> available as packages from the distro.
>>>
>>> I haven't looked at the SDK license but hopefully the VSS headers can be
>>> added to the mingw cross-build toolchain?
>>
>> No, the mingw headers are (re)written by hand, or something like that.
>> The VSS license does not permit redistribution. :/
> 
> Can we follow the same process for VSS as for the other mingw headers?

I have no idea.  Many of them are automatically generated, but some of
the others have content seemed non-trivial.

> TBH I don't see how one can write them by hand without deriving it
> from the SDK, which seems dubious.  But if it worked for the rest of
> mingw (which comes with Windows and DirectX headers, for example) then
> maybe it can work here too.

I'd rather avoid muddy legal waters...

Paolo