44 lines
1.3 KiB
Markdown
44 lines
1.3 KiB
Markdown
### Task B1: Create the patch registry with the RcppParallel entry
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**Files:**
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- Create: `local/patches/registry.json`
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- Create: `local/patches/README.md`
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**Interfaces:**
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- Produces: the curated registry consumed by bincraft's `patches` argument.
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- [ ] **Step 1: Write the registry**
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```json
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[
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{
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"package": "RcppParallel",
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"versions": "*",
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"platforms": ["alpine", "ubuntu-2604"],
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"env": { "RCPP_PARALLEL_USE_TBB": "0" },
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"configure_args": [],
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"makevars": {},
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"patch": null,
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"reason": "bundled Intel TBB fails to build on musl and on newer toolchains (e.g. g++ 15 on ubuntu-2604); disabling TBB falls back to TinyThread"
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}
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]
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```
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- [ ] **Step 2: Write the README**
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`local/patches/README.md` documents the schema (copy the field table from `specs/2026-06-30-package-patching-design.md`), how to add an entry, and that source diffs go in `local/patches/<pkg>/<file>.patch` referenced by the `patch` field.
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- [ ] **Step 3: Verify it parses**
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Run: `Rscript -e 'x <- jsonlite::fromJSON("local/patches/registry.json", simplifyVector = FALSE); stopifnot(length(x) == 1L, x[[1]]$package == "RcppParallel"); cat("ok\n")'`
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Expected: `ok`.
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- [ ] **Step 4: Commit**
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```bash
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git add local/patches/registry.json local/patches/README.md
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git commit -m "feat(patches): add patch registry with RcppParallel TBB workaround"
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```
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---
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