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Document relibc overlay preservation flow

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Explain how the rebuilt relibc proof and durable local patch carriers fit together so future upstream refreshes can reapply the compatibility work without relying on nested source state.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
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Vasilito
2026-04-18 21:36:21 +01:00
parent ba360adfbc
commit 5aafb6475b
2 changed files with 16 additions and 7 deletions
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local/docs/RELIBC-COMPLETENESS-AND-ENHANCEMENT-PLAN.md
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@@ -114,6 +114,12 @@ The goal is durable compatibility, not a permanent relibc fork.
> `CI=1 ./target/release/repo cook relibc`, then `CI=1 ./target/release/repo cook libwayland`, then
> `CI=1 ./target/release/repo cook qtbase`. This is the strongest current proof that the relibc
> compatibility work is preserved in the right place for long-term maintenance.
>
> **Current patch-carrier note:** the bounded `ifaddrs` / `net_if` work and the bounded
> `arpa/nameser.h` / `resolv.h` compatibility work are now preserved in the tracked
> `local/patches/relibc/redox.patch` carrier instead of separate transient patch files. The durable
> relibc recipe patch chain therefore consists only of tracked local patch files plus
> `recipes/core/relibc/recipe.toml` wiring.
### Summary
@@ -162,13 +168,11 @@ greenfield libc effort.
### 2. The historical P3 Wayland-facing API bridge is now source-visible
The local relibc patch carriers documented the APIs that historically blocked Wayland and downstream
consumers. Some of those fixes are still Red Bear-owned overlays; others are now present upstream and
should no longer be carried locally.
- `local/patches/relibc/P3-signalfd.patch`
- `local/patches/relibc/P3-timerfd.patch`
- `local/patches/relibc/P3-eventfd.patch`
- `local/patches/relibc/P3-waitid.patch`
consumers. In the current preserved tree, the overlapping Wayland/Qt-facing registration and API work
for `signalfd`, `timerfd`, `eventfd`, `waitid`, `open_memstream`, socket flags, bounded
`ifaddrs`/`net_if`, and the bounded resolver headers now lives in the tracked
`local/patches/relibc/redox.patch` carrier so the recipe does not depend on a fragile stack of
overlapping standalone patch files.
The remaining Red Bear-owned relibc carriers currently add or complete: