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[temp][do not merge] probe: Windows SDK outside C:, Termux first run, cl.exe module roles - #791
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…latest xlings, termux-exec mode, arm64 emulator
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Oct 10, 2026
…r action output, module roles from declarations, Termux (#792) Release 2026.10.10.1. Design: `.agents/docs/2026-10-10-one-source-one-meaning-design.md` (revision 6). ## Workspace: the prefix carries the meaning (#785, #786) - `[workspace.toolchain]`, `[workspace.indices]`, `[workspace.profile.<name>]`, `[workspace.target.<selector>]` (with `.build`, `.abi`, `.runtime`, `.xlings.workspace`) and `[workspace.xlings]` mirror the tables of the same name and are read by the same reader (`parse_document` over the document under `workspace.`). A table without the prefix describes its own package. - Merge rule by key (W3): declared scalars stay the member's, lists put the workspace first, named tables merge key by key, conditional rows are inherited ahead of the member's. Package-only keys and unknown `[workspace]` tables are refused. - The root's own tables still reach members by position, unchanged, in `mcpp.pm.compat.workspace_position`, with a `manifest/workspace-position` warning naming the canonical spelling (removed in 1.0.0). W7 warns about package tables on a root without `[package]` (`--strict`: error). A note asks for the `mcpp` floor when the layer is used. - Members are grouped by their configuration as it evaluates for the target; the virtual root carries a member's conditional `dialect_cxxflags`/`.abi` rows (R1b: `DIAL=0` → `DIAL=2`). - `mcpp.manifest.key_registry`: the class of each key; the parser's `[build]` and conditional-build known keys, the shared conditional keys and W7's package tables are derived from it. - `mcpp publish` writes the layer into the member's own tables (W6). ## Action outputs have one writer (#778) - Prepare writes no placeholder; a generated unit enters the plan from its action's declaration. A generated module interface without `.provides()` is `degraded`. - `mcpp::out_dir()` is per configuration and package (`target/.build-mcpp/out/<configuration>/<package>`), recorded as `outDir` in `resolution.json`. ## Module role from the declaration (#790) - A C++ unit that provides a module takes the module rule whatever its extension; cl.exe implementation partitions get `/internalPartition` (measured in probe #791). ## Toolchains, Windows, Android - `--toolchain` replacing a declared toolchain warns (D11). - Windows SDK from `KitsRoot10` and `%ProgramFiles%`; `vswhere` from `%ProgramFiles(x86)%`; the MSVC probe names the missing half for the first-run notice and for the refusal of a specified toolchain (D15–D18). - Android host recognised (`self env` → `android`), same default toolchain (D21); argv shell resolved (D28); the managed toolchain's library path no longer reaches ninja's environment (D29); install hints by failure class and xlings extract/hook progress shown (D22, D23). - xlings pinned to 2026.10.10.2 (openxlings/xlings#651: hard-link fallback, error classes, progress); bootstrap mcpp 2026.10.8.1. - Termux fresh-install jobs (termux-docker aarch64, Android 14 emulator app sandbox) in `ci-fresh-install.yml`. ## Late fixes from CI - A workspace member's build program keeps its out dir beside its cache, so `emit build-database` reuses the build's run (e2e 839 B4). - `mcpp index list` reads the same effective indices as resolution (e2e 44). - A failed install names the first address's failure ahead of the `compat` retries. - Tests read a tool binding from `build.ninja` as a command line (`env LD_LIBRARY_PATH=...` prefix, D29); the graphics checks read `outDir` (`.github/tools/out_dir.sh`). - The Linux and macOS e2e jobs install the `mcpplibs.cmdline` payloads e2e 32/33/40 link, which a warm cache used to hold. ## Tests - e2e 893–901, each failing on 2026.10.8.1: workspace layer, compat reading, conditional rows, one writer, per-configuration out_dir, module units in `.cpp` (llvm and gcc), `--toolchain` note, publish write-back, the tools' library path. - Unit: `test_key_registry` (registry vs `kWorkspaceBuildKeys` and the grouping key, layer parsing and refusals, W7, W3 merges, grouping), `MsvcProbe` description. - e2e 12, 44, 210 moved to `[workspace.indices]`; 120 and 773 keep the position reading as its coverage; 111 reads the new output place. ## Ecosystem - openxlings/xlings#651 (released 2026.10.10.2), openxlings/xim-pkgindex#947 (glibc 2.44.3 r4, payload hard-link check), mcpp-community/mcpp-plugins#45 (tests read `outDir`). Closes #785, closes #786, closes #778, closes #790.
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Probe finished. Its measurements are in the design record (.agents/docs/2026-10-10-one-source-one-meaning-design.md: cl.exe implementation partitions take /internalPartition, the Windows SDK outside C:, the Termux first run). Released in 2026.10.10.1 and 2026.10.10.2; the Termux jobs now run in ci-fresh-install.yml. |
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Temporary probe for
.agents/docs/2026-10-10-one-source-one-meaning-design.md(O5, O6, O7, O8). Every other workflow is removed on this branch; the scripts print what they observe and assert nothing. Do not merge.windows-sdk: the published mcpp 2026.10.8.1 with the Windows SDK moved out ofC:\Program Files (x86)\Windows Kits\10and the registry updated, as on a machine whose SDK was installed to another drive: nothing configured /[toolchain] windows = "llvm@23.1.3"/--toolchain llvm@23.1.3.msvc-module-roles: which cl.exe options compile each module role in.cpp,.cppmand.ixx, and which write a BMI.termux-docker: first run of the published aarch64 mcpp in a Termux userland on a native arm64 runner, with plan stage timings.termux-emulator: the Android app sandbox (SELinux) through the debuggable Termux APK andrun-ason an API 34 x86_64 emulator: hard links, first run.