Crosscompiling ARMv8 in Ubuntu

From: [http://logan.tw/posts/2017/01/21/introduction-to-qemu-debootstrap/]

To Setup:

$ sudo apt-get install debootstrap qemu-user-static schroot

$ sudo qemu-debootstrap --arch=arm64 focal arm64-ubuntu

$ echo "[arm64-ubuntu]
description=Ubuntu 20.04 Focal (arm64)
directory=$(pwd)/arm64-ubuntu
root-users=$(whoami)
users=$(whoami)
type=directory" | sudo tee /etc/schroot/chroot.d/arm64-ubuntu

To Enter:

$ schroot -c arm64-ubuntu

Packages to Install

• build-essentials
• gcc
• g++
• binutils
• cmake
• git
• wget
• unzip
• uuid-dev
• libssl-dev
• libtool
• automake