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add toolchain information on the setup page

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bytedream 2025-02-28 21:33:52 +01:00
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@ -4,6 +4,11 @@ Before we can start developing, a few prerequisites must be fulfilled.
## The Rust toolchain
Because Lua relies on some libc functions that aren't available in bare-bones WebAssembly (aka `wasm32-unknown-unknown`), the `wasm32-unknown-emscripten` toolchain is used, which provides a custom libc implementation.
The downside of this toolchain is the compatability with the existing Rust WebAssembly ecosystem.
Some crates that state to have WebAssembly support, are only supporting `wasm32-unknown-unknown` which might lead to some compatability problems.
To add the toolchain via rustup, use:
```shell
rustup target add wasm32-unknown-emscripten
```