cargo component does not obey .cargo/config.toml

[oovm]

I use .cargo/config.toml to control the compilation of workspace.

# .cargo/config.toml
[build]
target = "wasm32-wasip2"

But cargo component build still generates wasm32-wasip1

cargo-component-component 0.19.0

[sunfishcode]

cargo component itself uses the Rust wasm32-wasip1 target to produce core Wasm modules, and applies the component adapter to produce Wasm components. It doesn't currently work with the wasm32-wasip2 target.

[tpmccallum]

Thanks @sunfishcode I also just ran into this issue.
Interestingly cargo component will actually create a .wasm file in the wasm32-**wasip2** path though:

rm -rf target
ls target/wasm32-wasip2/debug/compress.wasm

Correctly produces:

ls: target/wasm32-wasip2/debug/compress.wasm: No such file or directory

If we:

cargo component build --target wasm32-wasip2

We get:

Generating bindings for compress (src/bindings.rs)
Compiling wasm-metadata v0.225.0

...

Compiling wit-component v0.225.0
Compiling wit-bindgen v0.39.0
Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.20s
 Creating component target/wasm32-**wasip1**/debug/compress.wasm

And interestingly the wasip2 path has a newly generated .wasm file:

ls -lah target/wasm32-wasip2/debug/compress.wasm

Produces:

-rw-r--r--  1 tpmccallum  tpmccallum   8.4M 26 Feb 11:24 target/wasm32-wasip2/debug/compress.wasm

To prevent confusion, could the command warn/mention that "cargo component doesn't currently work with the wasm32-wasip2 target" and then only write to the target/wasm32-wasip1 path?