Qt 5.0.2 on 64-bit Windows and moc issue



  • I am a Qt novice and inherited a running Qt app (Qt SDK 4.8) based on Linux and told to port in to 64-bit Windows 7 using MS VS2012. I downloaded Qt 5.0.2 and after making decent progress ran into a obstacle I can’t figure out. The moc app generates a .cpp file which contains:

    #if !defined(Q_MOC_OUTPUT_REVISION)
    #error “The header file ‘mhnodegui.h’ doesn’t include <QObject>.”
    #elif Q_MOC_OUTPUT_REVISION != 63
    #error “This file was generated using the moc from 4.8.2. It”
    #error “cannot be used with the include files from this version of Qt.”
    #error “(The moc has changed too much.)”
    #endif
    The curious thing is that under Qt 5.0.2, Q_MOC_OUTPUT_REVISION is defined as 67 yet the actual moc.exe which is installed with the distribution is 63, the one from Qt 4.8.4. The end result is that I can’t compile the moc generated file. I tried changing the definition of Q_MOC_OUTPUT_REVISION to 63 as an experiment to force the compilation to continue with numerous fatal compilation errors. It would appear to me that there is some inconsistency in the 5.0.2 64-bit distribution with respect to moc but, as a total novice, I am sure the problem is something I’m doing but have no idea what.


  • Lifetime Qt Champion

    Hi,

    Please, don't duplicate your posts, rather ask to have them moved to the right subforum.

    Anyway, I've posted a possible solution on your original post.

    Hope it helps



  • Sorry about that. Whom and how do you ask?


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