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Promote the wasm32-wasip2 target to Tier 2

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This commit promotes the `wasm32-wasip2` Rust target to tier 2 as
proposed in rust-lang/compiler-team#760. There are two major changes in
this PR:

1. The `dist-various-2` container, which already produces the other WASI
   targets, now has an extra target added for `wasm32-wasip2`.
2. A new `wasm-component-ld` binary is added to all host toolchains when
   LLD is enabled. This is the linker used for the `wasm32-wasip2` target.

This new linker is added for all host toolchains to ensure that all host
toolchains can produce the `wasm32-wasip2` target. This is similar to
how `rust-lld` was originally included for all host toolchains to be
able to produce WebAssembly output when the targets were first added.
The new linker is developed [here][wasm-component-ld] and is pulled in
via a crates.io-based dependency to the tree here.

[wasm-component-ld]: https://github.com/bytecodealliance/wasm-component-ld
This commit is contained in:
Alex Crichton 2024-06-24 12:30:44 -07:00
parent 9dcaa7f92c
commit 2a3e22bf04
9 changed files with 291 additions and 3 deletions
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157
Cargo.lock
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@ -1671,6 +1671,7 @@ dependencies = [
"compiler_builtins",
"rustc-std-workspace-alloc",
"rustc-std-workspace-core",
"serde",
]
[[package]]
@ -1880,6 +1881,12 @@ dependencies = [
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@ -2623,7 +2636,7 @@ dependencies = [
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"wasmparser",
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]
[[package]]
@ -3424,7 +3437,7 @@ dependencies = [
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]
[[package]]
@ -3805,7 +3818,7 @@ dependencies = [
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@ -5248,6 +5261,15 @@ dependencies = [
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@ -6296,6 +6318,28 @@ version = "0.2.92"
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@ -6305,6 +6349,40 @@ dependencies = [
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@ -6315,6 +6393,42 @@ dependencies = [
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@ -6542,6 +6656,43 @@ dependencies = [
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