Building coreboot from source

coreboot-files.sh

#!/bin/bash -e
if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root" 
   exit 1
fi
apt update; apt upgrade -y; apt autoclean -y; apt autoremove
apt install -y git build-essential bison flex m4 zlib1g-dev gnat libpci-dev libusb-dev libusb-1.0-0-dev pv dmidecode bsdiff python2.7

mkdir ~/updates && cd ~/updates && wget https://source.puri.sm/coreboot/utility/raw/master/coreboot_util.sh -O coreboot_util.sh

chmod +x coreboot_util.sh && sudo bash coreboot_util.sh

Source