On Wed, Aug 03, 2016 at 03:53:27PM +0300, Dmitry Fleytman wrote: > > > On 3 Aug 2016, at 13:38 PM, Sameeh Jubran <sameeh@xxxxxxxxxx> wrote: > > > > > > > > On Wed, Aug 3, 2016 at 1:19 PM, Christophe Fergeau <cfergeau@xxxxxxxxxx <mailto:cfergeau@xxxxxxxxxx>> wrote: > > On Wed, Aug 03, 2016 at 05:25:59AM -0400, Frediano Ziglio wrote: > > > > > > > Can you please further explain regarding the licensing? which license should > > > > be used? > > > > > > These defines came from Microsoft headers or from the web like > > > https://msdn.microsoft.com/en-us/library/windows/hardware/ff548113(v=vs.85).aspx <https://msdn.microsoft.com/en-us/library/windows/hardware/ff548113(v=vs.85).aspx> > > > simply you can't copy from header (which have its license) and/or from web > > > (see https://www.microsoft.com/en-us/legal/intellectualproperty/copyright/default.aspx <https://www.microsoft.com/en-us/legal/intellectualproperty/copyright/default.aspx> ) > > > > > > Not sure about the license. Looks like Mingw headers have public domain licensing. > > > For instance https://searchcode.com/codesearch/raw/11987244/ <https://searchcode.com/codesearch/raw/11987244/> have a Microsoft disclaimer. > > > > > > Maybe I'm too overcautious > > > > I don't think you are being too caution, either these definitions have > > an explicit licence compatible with the vdagent-win one, or we should > > not copy them this way. Why do we need to copy these definitions in > > vdagent-win in the first place? > > > > These definitions and structures are used in the CCD api and provided by windows, > > However they are absent in mingw. What are our options now? > > > > Please note that we eliminated many of the unnecessary and unused definitions from the ones we > > previously included in our previous patch ( https://lists.freedesktop.org/archives/spice-devel/2016-July/030796.html <https://lists.freedesktop.org/archives/spice-devel/2016-July/030796.html> ). Moreover > > they are now present in the cpp files. > > We dropped most of definitions from Sandy’s series and left only those > we really need, so there are no copy-pasted files anymore, but we cannot avoid > using them at all because they are absent in MinGW. > > Christophe, Frediano, do you have any idea what to do in this case? If they are only needed for mingw builds, I'd start with splitting this in their own "Fix mingw build" patch, with an explanation why we duplicated header content, where the content is coming from (ie why we are allowed to license it the way we do), and so on. If we don't have find appropriately licensed headers covering what we need, then we may have to decide that CCD support is vc++ only. Christophe
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