Hello, As a quickfix, this also works:
#if defined(_MSC_VER) && (_MSC_VER >= 1800) #pragma warning (disable:4996) #endif On Sun, Oct 20, 2013 at 3:56 PM, MuldeR <muld...@gmx.de> wrote: > Hello. > > As you might have read, with Windows 8.1, the GetVersion(Ex) API has been > deprecated by Microsoft and will now pretend to be Windows 8.0 (NT v6.2), > even when running under Windows 8.1 (NT v6.3). And yes, officiallay and in > other API's, Windows 8.1 *is* NT v6.3. > > See here for details: > http://msdn.microsoft.com/en-us/library/windows/desktop/dn302074.aspx > > Microsoft says that they did this in order to prevent compatibility > problems. I think it is a horrible idea to break the API in that way. It > is also the reason why Qt happily detects Windows 8.1 as Windows 8. > Actually Qt should detect an “unknown” operating system, since there is no > 8.1 (NT v6.3 )detection code yet - I have checked latest version in Git. > But Qt detects NT v6.2, thanks to Microsoft's GetVersion(Ex) hack. In other > words: QSysInfo::windowsVersion() reports *wrong* info, starting with > (and probably not limited to) Windows 8.1. > > So let's fix QSysInfo! > > I have pulled together a solution that is based on the VerifyVersionInfo() > API, which has not been broken, fortunately. Basically, we first call > GetVersionEx() to get the "fake" version as a starting point. Then we try > to increase the version numbers from there, calling VerifyVersionInfo() > each time in order to make sure we did not exceed the *real* version. End > result will be the maximum supported version, i.e. the *real* version > number. > > > Code is here: > http://pastie.org/private/kkva8pkk7nzcmm8jjwstfa > > Tested on: Windows XP (RTM), Windows 7 SP-1, Windows 8.0, Windows 8.1 > > (should work on Windows 2000 too, but I don't really care) > > > Output on Windows 7: > > (Fake) Windows Version: 6.1 > Trying to verify: 7.0 -->NO > Trying to verify: 6.2 -->NO > *Real* Windows Version: 6.1 > > > Output on Windows 8.0: > > > (Fake) Windows Version: 6.2 > > Trying to verify: 7.0 -->NO > > Trying to verify: 6.3 -->NO > > *Real* Windows Version: 6.2 > > > Output on Windows 8.1: > > (Fake) Windows Version: 6.2 > Trying to verify: 7.0 -->NO > Trying to verify: 6.3 -->YES > Trying to verify: 6.4 -->NO > *Real* Windows Version: *6.3* > > > > Regards, > MuldeR > > > _______________________________________________ > Development mailing list > Development@qt-project.org > http://lists.qt-project.org/mailman/listinfo/development > > -- Pau Garcia i Quiles http://www.elpauer.org (Due to my workload, I may need 10 days to answer)
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