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docs(ffi): document nightly requirement for FFI

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Update the command to use `--crate-type`.
This commit is contained in:
Rémy Rakic
2022-02-26 03:16:58 +01:00
committed by Sean McArthur
parent bd591f43fd
commit 1e9cd4f292
1 changed files with 2 additions and 2 deletions
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capi/README.md
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@@ -10,8 +10,8 @@ Because of that, it's only accessible if `--cfg hyper_unstable_ffi` is passed to
## Building
The C API is part of the Rust library, but isn't compiled by default. Using `cargo`, it can be compiled with the following command:
The C API is part of the Rust library, but isn't compiled by default. Using a nightly release of `cargo`, starting with `nightly-2022-03-02`, it can be compiled with the following command:
```
RUSTFLAGS="--cfg hyper_unstable_ffi" cargo build --features client,http1,http2,ffi
RUSTFLAGS="--cfg hyper_unstable_ffi" cargo +nightly rustc --features client,http1,http2,ffi -Z unstable-options --crate-type cdylib
```