CMake 3.20 or higher is now required to build Zephyr.
Zephyr https://github.com/zephyrproject-rtos/zephyr/tree/main now requires CMake version 3.20 or newer.
The docs has been updated with info on how to do this on systems that has an older CMake per default:
For Ubuntu users, an easy guide is found here:
The main reason for increasing CMake version is better toolchain
Better toolchain support is added in the following CMake versions:
Torsten Tejlmand Rasmussen
Senior R&D Engineer
P: +47 72 89 92 47
Otto Nielsens veg 12, 7052 Trondheim, Norway