There is an automated build script that can install all dependencies and build EOSIO.

The script supports the following operating systems.

Amazon Linux 2
CentOS 7
Ubuntu 16.04
Ubuntu 18.04
MacOS 10.14 (Mojave)

Run the build script from the eos folder.

cd eos
./scripts/eosio_build.sh

After the script has completed, install EOSIO

sudo ./scripts/eosio_install.sh