Solution: The offline installer does not contain ARM kits by default. After installation, you must manually run:
./configure -xplatform linux-arm-gnueabi-g++ -prefix /usr/local/qt5.15.2
(This requires the source code – check the /submodules directory on the archive.) download qt 5.15.2 offline installer
Qt 5.15.2 is a Long-Term Support (LTS) release popular for desktop and embedded C++/QML development. If you need an offline installer (a complete installer package you can run without an active internet connection), follow the guidance below to find, verify, and install it safely. Solution : The offline installer does not contain
Fix: Run:
sudo spctl --master-disable
xattr -d com.apple.quarantine qt-opensource-mac-x64-5.15.2.dmg