The software is built using the meson build system. It is similar to Cmake but better. There are several ways to get meson on your system: Installing Meson Guide
Prepare to Build Element uses meson subprojects. Initialize them to avoid errors later. Make sure to run the update command every time new code is pulled.
Dependencies On Mac and Windows, most dependencies are pulled in by Meson. You’ll need to manually install boost headers and other SDKs.