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Qt configure and build

  • Hi,
    I want to know which paths I need to create for Qt , before configure.

    SET _ROOT=C:\ExtLib\Qt\5.5.1
    SET PATH=%_ROOT%\5.5\Src\qtbase\bin;%_ROOT%\5.5\Src\gnuwin32\bin;C:\Python27;C:\Perl64\site\bin;C:\Perl64\bin;C:\Ruby193\bin;C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin;
    SET QMAKESPEC=win32-msvc2013

  • Lifetime Qt Champion


    If you are building with Visual Studio 2013, just open a command line from the visual studio sub-folder. Then you should be ready to build Qt 5.

  • oke. I prepare to work with qt and Visual studio 2013, but I want when I create qt application, I want to have 32 and 64 bit qt app and also release and debug version. Need I configure and build qt for 32 and 64 bit ? I download add-in for Visual studio, and online qt installater. I install qt for 32 and 64 bit ( I have msvc2013 and msvc2013_64).

  • Lifetime Qt Champion

    Yes, you need both build of Qt if you want to compile your application for both architectures. But you don't have to build Qt yourself. You have pre-built package for Visual Studio 2013 for both 32 and 64 bit

  • Hi,
    Yes, I see pre-built packages for VS2013 for both 32 and 64 bit. But if I want static version of Qt need I configure and build Qt ? If I need to build Qt, what I need to do for building static version of Qt for both arhitekture? Last time when I build Qt I configure, like this
    configure -debug-and-release -static -qt-libpng -qt-libjpeg . I choose for platform win32-msvc2013 and run VS2013 x64 Native Tools Command Prompt, and build Qt. I built Qt, but only for x64 arhitekture.

    May you tell what I need to do for building Qt for x86 arhitekture ?


  • Lifetime Qt Champion

    Use the 32bit Command prompt for the 32 bit build.

    Also, don't forget the licensing implication when using a static build of Qt.

  • ok. I use, but I got error.

    fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'x86' .

  • Lifetime Qt Champion

    Because you are trying to build Qt twice in the same folder. Use out of source builds

  • oke. I will use out of source build.

  • Thanks, I build static version of qt for both arhitecture.

  • Lifetime Qt Champion

    You're welcome !

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