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You should first of all download libqt5keychain and qtkeychain-dev packages in order to resume mirall compilation. Use the wget command for each of these urls (it depends on your system architecture): wget http://hr.archive.ubuntu.com/ubuntu/pool/universe/q/qtkeychain/libqt5keychain0_0.3.0-2_amd64.deb wget ...


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The OP solved the problem by installing build-essential. To install it just type the following command. sudo apt-get install build-essential


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you need to add multimediawidgets to your QT variable in your project file: QT += multimediawidgets Note that Phonon no longer exists in Qt 5. Use the Multimedia module instead


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You can use PolicyKit and the pkexec command to start the QProcess with root permissions: QString dpkg_command = "pkexec dpkg -i mydeb.deb";


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Run ldd on your application executable to see how it resolves library dependencies. Also this is a must read to understand what essential libraries are needed in simple case of gui application: http://qt-project.org/doc/qt-5/linux-deployment.html


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TL;DR: Based on what you already do have installed, just install pkg-config and you should be good to go. Building the kernel uses Qt if you want to configure what goes into your kernel by running make xconfig. (Which you likely do, as this is one of the friendliest ways to do it.) At least for any remotely recent kernel, you can use Qt 4 instead of Qt 3. ...


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Those packages belong to Qt version 3, which has become obsolete as the current version is 5.3. They are no longer included in repositories. I don't know why you would need those packages anyway. If you've not built a kernel on your system before, there are some packages needed before you can successfully build. You can get these installed with: sudo ...


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In addition to @user64152's answer I have to add one more thing. If along with proprietary you also intend to make a commercial product, you have to buy the Qt Commercial License in order to be able to sell your product.



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