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cdylib for the target wasm32-wasi #64187

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#64188
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cdylib for the target wasm32-wasi#64187
#64188
Labels
C-feature-acceptedCategory: A feature request that has been accepted pending implementation.O-wasmTarget: WASM (WebAssembly), http://webassembly.org/T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.

Description

@yurydelendik
yurydelendik
opened on Sep 4, 2019

Problem
cannot produce cdylib for the target wasm32-wasi

Steps

  1. Add "cdylib" to the Cargo.toml, e.g. 
    cargo new check-wasi && cd check-wasi
echo "[lib]" >> Cargo.toml 
echo "crate-type = [\"cdylib\"]" >> Cargo.toml
  2. Build using 
    cargo +nightly build --target=wasm32-wasi
  3. Observe 
    error: cannot produce cdylib for `check-wasi v0.1.0` as the target `wasm32-wasi` does not support these crate types

Possible Solution(s)
Allow cdylib for all wasm32-* targets: it's available for wasm32-unknown-unknown and is required by wasm-pack

Activity

  1. alexcrichton
    transferred this issue fromrust-lang/cargoon Sep 5, 2019

  2. alexcrichton commented on Sep 5, 2019

    @alexcrichton
    alexcrichton
    on Sep 5, 2019
    Member

    I've transferred this to the rust-lang/rust repository after debugging it and am working on a fix locally (the fix is here in the compiler, not in Cargo)

  3. alexcrichton
    added a commit that references this issue on Sep 5, 2019

    rustc: Allow the cdylib crate type with wasm32-wasi

    bb9d3be
  4. tmandry
    added a commit that references this issue on Sep 10, 2019

    Rollup merge of rust-lang#64188 - alexcrichton:wasi-cdylib, r=varkor

    71f3fbc
  5. jonas-schievink
    added
    O-wasmTarget: WASM (WebAssembly), http://webassembly.org/
    C-feature-acceptedCategory: A feature request that has been accepted pending implementation.
    T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.
    on Sep 10, 2019
  6. Centril
    added 2 commits that reference this issue on Sep 10, 2019

    Rollup merge of rust-lang#64188 - alexcrichton:wasi-cdylib, r=varkor

    3d06207

    Rollup merge of rust-lang#64188 - alexcrichton:wasi-cdylib, r=varkor

    751aec8
  7. bors
    closed this as completedin bb9d3beon Sep 11, 2019
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    C-feature-acceptedCategory: A feature request that has been accepted pending implementation.O-wasmTarget: WASM (WebAssembly), http://webassembly.org/T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.

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