How do I find my Qt version in Linux?

How do I find my Qt version in Linux?

Qt Creator automatically detects the Qt versions that are registered by your system or by installers. To view detailed information for each Qt version, select it in the list and select Details in the Qt version for section. To add Qt versions, select Tools > Options > Build & Run > Qt Versions.

How do I find my Qt version Ubuntu?

  1. Thanks @menzZana , can you tell me how to upgrade qt 4.7.1 to qt 5.2.1.
  2. You can install new Qt version at Also you can add the new Qt directly to your Qt Creator, so it uses the new Qt by going to Tools>Options>Build&Run>Qt version and add the new version in Qt Creator.

How do I know if Qt is installed Linux?

That being said, under a Linux system we can simply use the following script to determine whether Qt is installed: if ! test -x /usr/bin/qmake then # The Qt library is missing… echo “error: This script requires Qt to be installed.” exit 1 fi # The Qt library is installed …do your thing…

How do I find my Qt library version?

Getting the version of Qt libraries

  1. strings /Applications/MyApp. app/Contents/Frameworks/QtCore. framework/Versions/4/QtCore | grep “4\.”
  2. strings libQtCore. so. 4 | grep “4\.”
  3. find “4.” “C:\Program Files\MyApp\QtCore4.dll”

What is Qt in Ubuntu?

Qt is a free, open source, and cross-platform application development framework for desktop, embedded and mobile. It supports various platforms such as Linux, OS X, Windows, VxWorks, QNX, Android, iOS, BlackBerry, Sailfish OS, and others. More than a programming language. Qt is a framework written in C++.

How do I install a specific version of Qt?

1 Answer

  1. Rename the current Qt installation folder (with Qt 5.12 inside) to something else (e.g. from ~/Qt to ~/Qt_);
  2. Install the 5.6 version (I got it from here) to the same directory where 5.12 was installed (in my case ~/Qt).
  3. Copy the Qt 5.6 SDK to the Qt 5.12 install location (e.g. copy ~/Qt/5.6.

Does Ubuntu come with Qt?

The ubuntu package name is qt5-default , not qt . Installing the qtcreator package will also give you the IDE.

What is Qt in Linux?

Qt (pronounced “cute”) is a widget toolkit for creating graphical user interfaces as well as cross-platform applications that run on various software and hardware platforms such as Linux, Windows, macOS, Android or embedded systems with little or no change in the underlying codebase while still being a native …

Where is Qt Creator install Linux?

For the global install, the default location is /opt/Qt. Determine whether you want to install per user or global and then run the installer. For a per user install, just run it as the current user, e.g. For the global install you can run it as root using the sudo command, e.g.

How install Qt Linux?

Install Qt Creator on Linux

  1. 1) Install prerequisites. If you’re running Ubuntu, Debian, Mint, or any other Debian derivative, you can install the needed preqreuisites using the apt package manager.
  2. 2) Download the Qt installer.
  3. 3) Run the Qt installer.
  4. 3) Install CS106-specific package.
  5. 5) Configure settings (optional)

How do I download an older version of Qt?

The webpage ( page has moved to The download page is now at, and the archive page is now at

How do I completely remove Qt from Ubuntu?

Open your terminal (Ctrl + Alt + T), then…

  1. To only uninstall Qt Creator: sudo apt-get remove qtcreator.
  2. If you want to remove Qt Creator and its dependent packages as well: sudo apt-get remove –auto-remove qtcreator.

How to check for Qt version [solved]?

Select Tools > Options > (or Qt Creator > Preferences on macOS) > Kits > Qt Versions > Link with Qt.

  • In the Qt installation path field,enter the path to the directory where you installed Qt.
  • Select Link with Qt to automatically register Qt versions and kits in the Qt installation directory.
  • Select Restart Now to restart Qt Creator.
  • How to check which version of Ubuntu you have installed?

    Ubuntu 20.04 (Focal Fossa)

  • Ubuntu 16.04 (Xenial Xerus) which has an end of life in April 2021
  • Ubuntu 14.04 (Trusty Tahr)
  • How to install Qt 5 on Ubuntu?

    Install Qt 5 on Ubuntu via the Qt website. While it is highly recommended to install Qt 5 on Ubuntu using Ubuntu’s official packages, it is also possible to download Qt 5 from the website and install it that way. To start the installation of Qt 5 via the official website, open up a terminal window.

    How to check Ubuntu version using command line?

    – A system running Ubuntu – Access to a user account with sudo or root privileges – A terminal window/command line ( Ctrl – Alt – T)