![]() ![]() I'd be pleased to hear if anyone had more success. This was my experience but that doesn't mean it's fact. It is a core item that isn't meant to be either replaced or have multiple versions without very careful testing. Long story short, at least for me, best to stick with the Qt version that's part of the distro. I was unable to backport upstream versions because of chicken and the egg situations where cross-package dependencies fail even with the bootstrapped qmake. This magic appears to happen toward the end of the debuild/backportpackage type process where the rules makes changes to some of the paths stored in files to mesh with Ubuntu's structure. Qt6 source packages 5.15.x source packages 5.12. Ubuntu 18.04 LTS Qt Creator 4.5.2 Qt 5.9.5 Install Qt Creator sudo apt install build-essential sudo apt install qtcreator. System Qt is distributed in a wide array of folders that exist in parallel where the /opt is in a tree. Download Source Package Offline Installers Qt We recommend you use the Qt Online Installer for first time installations and the Qt Maintenance Tool for changes to a current install. I built some programs against qt in /opt but they didn't work well just because everything wants to use system default. If you update the compiler version later, you can register it into Qt Creator. The n file will install to /opt which is correct but ancillary and would require some environment variable and/or path override. As it is one of the most popular tools for QT development, it is possible to find it on Linux easily. To use Qt Creator for Qt development, you also need to install a Qt version and a compiler. Update the system repositories packages list using the following apt-update command. I spent several weeks messing with a system level replacement of Qt 5.9.5 on Ubuntu Bionic and it didn't seem feasible without a backport. The following steps will help you to install Qt Creator on Ubuntu 20.04: Step 1: Update system packages Open the command line application ‘Terminal’ by pressing ‘Ctrl+Alt+t’. ![]()
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