docs: rewrite PORT-PLAN for the native SDL3 architecture

Godot-era batch records move verbatim to docs/archive/PORT-HISTORY.md.
README and THIRD-PARTY no longer mention submodules.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
shenlei
2026-09-29 18:26:54 +09:00
co-authored by Claude Opus 5.5
parent f970f95800
commit 0137f852d3
4 changed files with 644 additions and 533 deletions
+2 -3
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@@ -127,9 +127,8 @@ with those layers.
## Rebuilding / fetching
`./build.sh` auto-runs `git submodule update --init --recursive` if any of the
three submodules (godot-cpp, zstd, libsodium-cmake+libsodium) is missing.
miniLZO, Crypto++ and CPython are vendored source and need no fetch.
There are no submodules: miniLZO, Crypto++, CPython and FreeType are vendored
source and need no fetch.
Homebrew `libsodium` / `zstd` / `lzo` are no longer referenced by the build and
can be uninstalled.