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rustc: Allow the cdylib crate type with wasm32-wasi

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The wasm32-wasi target respects configuration around `crt-static` in
general, but is defaulted to being static. This interacted badly with
code which validated the `cdylib` crate type for `wasm32-wasi`,
erroneously saying that the `cdylib` crate type wasn't supported on
`wasm32-wasi` by default. This commit sets the appropriate flag in
`wasm32_wasi`'s target specification to indicate that the `cdylib` crate
type is supported regardless of `crt-static`

Closes #64187
This commit is contained in:
Alex Crichton 2019-09-05 11:55:20 -07:00
parent 618768492f
commit bb9d3bea30
1 changed files with 4 additions and 0 deletions
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4
src/librustc_target/spec/wasm32_wasi.rs
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@ -97,6 +97,10 @@ pub fn target() -> Result<Target, String> {
options.crt_static_default = true;
options.crt_static_respected = true;
// Allow `+crt-static` to create a "cdylib" output which is just a wasm file
// without a main function.
options.crt_static_allows_dylibs = true;
Ok(Target {
llvm_target: "wasm32-wasi".to_string(),
target_endian: "little".to_string(),