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docs(build): document ppc required-present boot tools + pyodbc distro availability

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Reflect the manifest change (arch:all boot tools syslinux-xcat/grub2-xcat/
elilo-xcat/xnba-undi are required-present on ppc64el, single-producer on amd64
via build_one_codename's arch:all skip) and note that pyodbc is not built
because Ubuntu (apt) and EL (appstream/EPEL) provide python3-pyodbc.

Signed-off-by: Daniel Hilst <392820+dhilst@users.noreply.github.com>
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Daniel Hilst
2026-08-13 10:51:15 -03:00
parent 8f3dfd9e84
commit ee8bc0ddf8
1 changed files with 10 additions and 3 deletions
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BUILD.md
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@@ -283,9 +283,16 @@ Codename ↔ version (the single supported set — `BuildUtils` is the source of
first; the published apt repo is (re)assembled from staging ONLY after the complete expected set
validates — a partial/failed build never reaches the repo and stale debs never accumulate.
- **Per-arch package sets (`debs-manifest.conf`).** One `[<codename>-<arch>]` section per target. The
x86 boot components (`syslinux`/`elilo`/`xnba`, `Architecture:all`) are built ONCE on amd64
(single producer) and assembled into every arch's `Packages` index; ppc64el builds only the
genuinely arch-specific compiled deps (`ipmitool-xcat`, `conserver-xcat`, `goconserver`).
noarch boot components (`syslinux-xcat`/`grub2-xcat`/`elilo-xcat`/`xnba-undi`, `Architecture:all`)
are built ONCE on amd64 — single producer, their source is x86-only — and assembled into every
arch's `Packages` index. They are listed for **ppc64el too, as required-present**, so the gate
verifies the ppc repo actually carries them (a ppc MN needs them for netboot, matching the EL
manifest). `build_one_codename` **skips** an `Architecture:all` package on any non-amd64 arch
(detected via `control_binary_arch`), so ppc builds only the genuinely arch-specific compiled deps
(`ipmitool-xcat`, `conserver-xcat`, `goconserver`) yet still verifies the boot components.
`pyodbc` is intentionally **not** built or listed: modern Ubuntu provides `python3-pyodbc` from apt
(and EL from appstream/EPEL), so xcat-dep no longer ships its own; the legacy `pyodbc/` directory
(an old `pyodbc-3.0.7` RPM spec, no `debian/`) is kept for historical reference only.
- **Fail-hard.** Any required chroot / package / artifact failure, or any version-pin mismatch, fails
the whole run non-zero.
- **Genesis keeps its maintained packaging.** A native `xcat-genesis-base` deb is INGESTED as-is when