If the target machine architecture is arm-linux-gnueabi and the host machine uses ubuntu, you can use the following command to automatically install the cross-compilation toolchain:
sudo apt-get install gcc-arm-linux-gnueabiTo uninstall only gcc-arm-linux-gnueabi, use the command:
sudo apt-get remove gcc-arm-linux-gnueabiUninstall the entire cross-compilation toolchain:
sudo apt-get remove --auto-remove gcc-arm-linux-gnueabi