Talk:Development/Tutorials/Saving and loading

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Compiling failed due to 'undefined reference to vtable ...'

When compiling, cmake failed during the linking process. undefined reference to `vtable for MainWindow'

Simply add the following line to the mainwindow.cpp:

  1. include "mainwindow.moc"

I don't exactly know why this happens to me, but I suspect the fact that I have not built any special environment for working on KDE4 applications (as described here.

Can someone who understands the process please add the appropriate steps to the main tutorial?


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