feat(workspace): self-referential mcpp [workspace] over the index#57
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The repo becomes both the package index (pkgs/) and a mcpp workspace that consumes it: a virtual root [workspace] whose members are the per-library example projects under tests/examples/, each resolving this repo's own pkgs/ via a local [indices] path. Eat our own dog food. - root mcpp.toml: [workspace].members = cjson/eigen/nlohmann.json/openblas - tests/run_workspace.sh: thin driver, members are the single source of truth - tests/examples/openblas: L1-cfg consumer — Windows-only openblas dep+flags (cfg(windows)), cblas_dgemm assert on Windows, no-op on linux/macos - validate.yml: detect.workspace output + smoke-workspace job; MCPP_VERSION 0.0.73 -> 0.0.77 (carries L1 per-OS deps/flags + [xlings] env) - design doc: §8 implementation status
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What
Makes mcpp-index both the package index (
pkgs/) and a mcpp[workspace]that consumes it — the dual perspective. A virtual root[workspace]declares the per-library example projects undertests/examples/as members; each resolves this repo's ownpkgs/through a local[indices]path. "Eat our own dog food."Changes
mcpp.toml(repo root) — virtual[workspace],members = cjson / eigen / nlohmann.json / openblas.tests/run_workspace.sh— thin driver; parses[workspace].membersfrom the root manifest (single source of truth, no hardcoded duplication) andmcpp build && mcpp runs each member through the real index.tests/examples/openblas/— new L1-cfg consumer:[target.'cfg(windows)'.dependencies.compat] openblas+cfg(windows).build cxxflags=["-DHAVE_OPENBLAS=1"]. On Windows it callscblas_dgemmasserting[19 22; 43 50]; on linux/macos it is a no-op and openblas is not pulled — proving per-OS deps gate on the resolved target triple. (Needs mcpp ≥ 0.0.75 cfg deps/flags + ≥ 0.0.73 windows-runtime-DLL deploy.).github/workflows/validate.yml—detectgains aworkspaceoutput (push/schedule always; PR when rootmcpp.toml,tests/run_workspace.sh, or anytests/examples/*member changes) + newsmoke-workspacejob running the driver.MCPP_VERSION0.0.73 → 0.0.77.Verified locally (mcpp 0.0.77)
cjsonbuilds+runs (resolvescompat.cjsonfrom ownpkgs/);openblasbuilds+runs no-op on linux (openblas not pulled).validate.ymlpassesyaml.safe_load.🤖 Generated with Claude Code