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Unconditionally warn on usage of wasm32-wasi #126662

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Jun 19, 2024
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Unconditionally warn on usage of wasm32-wasi #126662

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14 changes: 14 additions & 0 deletions compiler/rustc_session/src/config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1311,6 +1311,20 @@ pub fn build_target_config(early_dcx: &EarlyDiagCtxt, opts: &Options, sysroot: &
for warning in warnings.warning_messages() {
early_dcx.early_warn(warning)
}

// The `wasm32-wasi` target is being renamed to `wasm32-wasip1` as
// part of rust-lang/compiler-team#607 and
// rust-lang/compiler-team#695. Warn unconditionally on usage to
// raise awareness of the renaming. This code will be deleted in
// October 2024.
if opts.target_triple.triple() == "wasm32-wasi" {
early_dcx.early_warn(
"the `wasm32-wasi` target is being renamed to \
`wasm32-wasip1` and the `wasm32-wasi` target will be \
removed from nightly in October 2024 and removed from \
stable Rust in January 2025",
)
}
if !matches!(target.pointer_width, 16 | 32 | 64) {
early_dcx.early_fatal(format!(
"target specification was invalid: unrecognized target-pointer-width {}",
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