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4

Those packages still use qt4 that is why they want to be removed, they depend on it. There are many packages that still use qt4 for there interface, just because qt5 is available, it does not make qt4 obsolete, you can have both without issue. I would recommend you keep qt4 as you may face issues with other applications that use qt4 and not qt5down the ...


2

I just stumbled upon this question while trying to compile KeePassX 2.0. What helped me was to use apt-file to search for the missing packages: For example running this: apt-file search Qt5CoreConfig.cmake Returned the following packages: qtbase5-dev: /usr/lib/x86_64-linux-gnu/cmake/Qt5Core/Qt5CoreConfig.cmake qtbase5-gles-dev: ...


1

Qt is already installed on Ubuntu. If you want to develop Qt5 applications with QtCreator, then simply install the qtcreator package. If you do need to install a newer version, then the installer from Qt likely installs based on how you run the installer. To install in /opt if that is what you wish to do, you will need to run the installer as root, such as ...


1

It should be available for all users, not me. ... answers your question. I would go for /opt/ purely so you separate it from your main system. Even though it might not 100% completely match the /opt/ definition it is the best place to put it. Set it up with a group and add all the users needing it to that group. /opt/ This directory is ...



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