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Document wasm-bindgen incompatibility with C/C++ #2209

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6 changes: 6 additions & 0 deletions guide/src/reference/rust-targets.md
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Expand Up @@ -70,3 +70,9 @@ The `wasm-bindgen` target does not support the `wasm32-unknown-emscripten` nor
the `asmjs-unknown-emscripten` targets. There are currently no plans to support
these targets either. All annotations work like other platforms on the targets,
retaining exported functions and causing all imports to panic.

However, note that only the `wasm32-unknown-emscripten` target supports linking
Rust and C or C++ together. There is currently no way to both use `wasm-bindgen`
and also safely link with C or C++. There is a general long-term plan to fix
this, but there is no immediate solution. See this
[issue](https://github.com/rustwasm/team/issues/291) for more context.