Designing a Distro from Scratch Using OpenEmbedded - Part 2
summary
OpenEmbedded + Yocto details for building a distro from scratch: BitBake + recipes combine machine, distribution, and image and switching components is nontrivial — switching to systemd requires feature toggles and adding PAM/udev workarounds. BSP layers are low‑quality and often alter distro-wide settings (ABI, default-tune, libdir), breaking cross-device packages. Concrete fixes: use musl vs glibc choices, versioned bbappends, a distro include to auto-select Mesa vs binary blobs (Mali), and tools to diff BSP changes; Angstrom/Linaro use these patterns.
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