Enable static DuckDB extensions via Cargo in checkouts#732
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Enable static DuckDB extensions via Cargo in checkouts#732
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This PR adds an experimental
bundled-cmakebuild path for duckdb-rs checkouts. It keeps the existingbundledfeature unchanged, and adds a higher-priority bundled backend that builds DuckDB through upstream CMake whenbundled-cmakeis enabled.Only in-tree static extensions such as
icuare supported for now, but there's a path toward future out-of-tree extension support. In fact, I think using CMake is the only realistic path toward out-of-tree extensions. Features likesqlite_scannerare already part of DuckDB's checked-in extension configs. Reusing that upstream mechanism is much more maintainable than inventing a parallel extension build/link system in Rust. Let DuckDB build DuckDB.Although this PR only targets checkout builds, the CMake backend is structured so that a future crates.io-friendly variant could reuse the same backend logic after downloading the DuckDB sources (
duckdb.tar.gzdoes not contain the full source tree).Fixes #461