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Editorial Team
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Asked: 2026-05-27T04:52:34+00:00

I’m getting the error QAction: No such file or directory when I try to

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I’m getting the error

QAction: No such file or directory

when I try to compile a project for plugin (C++ Library template). Weird, because I have a project for my app which also includes this header and there is no error. What might cause this?

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1 Answer

  1. Editorial Team

    Make sure that you have the right include paths set up.

    If you use QMake the *.pro should contain these settings if you want to include files from QtGui. They should be set by default but some templates may not set them.

    CONFIG += qt
QT += gui

    If you use another build system then make sure that you either use

    #include <QtGui/QAction>

    or you add $QTDIR/include/QtGui and not just $QTDIR/include to your include path

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