How C++ 20 Setup for Qt creator ?

[A Former User]

Any guidance available for setting C++ 20 on Qt Creator ?

• Which Qt version are you using : Qt 6.9.1
• Which version of QtCreator are you using : 17.0.0
• Which platform : Linux KDEneon (Ubuntu 24.4)
• How did you install it : qt-online-installer-linux-x64-4.10.0

[cristian-adam]

Add these lines in your CMakeLists.txt file:

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

[A Former User]

@cristian-adam Thanks, it works. Sorry I am new to all this.