## Building iOS framework
### Install **Rust** build tools
- Install Xcode Command Line Tools: `xcode-select --install`
- Install Rust programming language: `curl https://sh.rustup.rs -sSf | sh`
- Install iOS target support: `rustup target add aarch64-apple-ios aarch64-apple-ios-sim x86_64-apple-ios`
- Install `cbindgen` tool: `cargo install cbindgen`
### Building iOS xcframework
Please run the following command in zsh (or bash):
```bash
# go to the root of the overtls project
cd overtls
# Build the iOS xcframework
./build-apple.sh
# Or build debug version
./build-apple-debug.sh
```