Build

install required tools for building

sudo pacman -S nasm lld grub
cargo install cargo-sysroot

on debian, you may also have to install

sudo apt install grub-pc

set toolchain and build sysroot

rustup override set nightly
./build.sh sysroot

if building sysroot fails, you may have to install rust-src

rustup component add rust-src

compile with script

./build.sh