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Thread: Windows 7 - 64 bit

  1. #1
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    Default Windows 7 - 64 bit

    Are both the 32 bit and 64 bit versions of Windows 7 supported?

  2. #2
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    Default Re: Windows 7 - 64 bit

    I mean can Qt be compiled to run as a 64 bit application under the 64 bit version of Windows 7? This is not clear from the list of supported platforms.

  3. #3
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    Default Re: Windows 7 - 64 bit

    Yes, at least with msvc 2008 or the platform sdk. Just open msvc command prompt for x64 development and build qt from source. I have no idea about mingw or other compilers.
    Anyway remember that Windows 7 is not a tier 1 platform, so there could be some bugs.

  4. The following user says thank you to bender86 for this useful post:

    uj (2nd February 2010)

  5. #4
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    Default Re: Windows 7 - 64 bit

    Well, I kind of suspected this since Windows 7 is such an important platform. And if it works now that Windows 7 is tier 2 it will work for sure when Windows 7 becomes tier 1 right?

    Still I think it could be more clearly stated in the documentation. Official support for a platform is stronger than the fact that someone has tried it and it worked. And even if it's stated that Windows 7 is supported, it's not at all obvious that both 32 bit and 64 bit are.

    Platform support is paramount for a platform independent application framework and I think Qt should match Oracle's clarity for Java like here,

    http://java.sun.com/javase/6/webnote...gurations.html

    Anyway thank you.
    Last edited by uj; 2nd February 2010 at 13:16.

  6. #5
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    Default Re: Windows 7 - 64 bit

    I've reported this issue as a bug, here

    http://bugreports.qt.nokia.com/browse/QTBUG-7840
    Last edited by uj; 2nd February 2010 at 14:25.

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