Dependencies:

• GNU awk

• A static build of busybox installed at /usr/lib/initcpio/busybox

• kmod

• util-linux

• bsdtar from libarchive

• GNU Coreutils

• Bash

• GNU Binutils

• GNU Diffutils

• GNU Findutils

• GNU Grep

• gzip (the default initramfs compressor for Linux < 5.9)

• zstd (the default initramfs compressor for Linux ≥ 5.9)

Optional dependencies:

• systemd: for systemd-based initramfs

• xz: for lzma and xz initramfs compression/decompression

• bzip2: for initramfs compression/decompression

• lzop for lzo initramfs compression/decompression

• lz4 for initramfs compression/decompression

• systemd-ukify: build UKIs using ukify instead of objcopy

Build time dependencies:

• Meson

• Asciidoctor (or alternatively a2x from AsciiDoc.py) to create man pages

• Bash Automated Testing System (bats) and bats-assert for tests

• ShellCheck for tests