| Package | “rust” Flag Description |
|---|---|
| dev-python/blake3 | Build the Rust implementation (if disabled, the "experimental" C implementation is used instead). |
| dev-vcs/git | Build components using Rust, starting with 2.52 with varint. This will become mandatory upstream with Git 3.0. |
| dev-vcs/mercurial | Use Rust extensions. |
| sys-devel/gcc | Build support for the Rust language, installs gccrs. |