This is the Xcode project folder for the Rust native library generated by cargo-xcode. The iOS and MacOS root projects import this folder as a subproject and depends on it during build-time.

It is important that the suitable crate-types are configured for your target devices. Make sure these lines exist in your Cargo.toml:

crate-type = ["lib", "cdylib", "staticlib"]


  • lib is required for non-library targets, such as tests and benchmarks
  • staticlib is required for iOS
  • cdylib for all other platforms