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Smooth the renaming transition of wasm32-wasi #695

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alexcrichton opened this issue Nov 27, 2023 · 3 comments
Closed
1 of 3 tasks

Smooth the renaming transition of wasm32-wasi #695

alexcrichton opened this issue Nov 27, 2023 · 3 comments
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major-change A proposal to make a major change to rustc major-change-accepted A major change proposal that was accepted T-compiler Add this label so rfcbot knows to poll the compiler team

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@alexcrichton
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Proposal

In a previous MCP it
was approved to rename today's wasm32-wasi target to wasm32-wasi-preview1.
The proposal for doing this however was to be a mostly "cold turkey" rename. The
fallout of this is that users of the wasm32-wasi target would likely
experience breakage with most build infrastructure needing an update. The goal
of this proposal is to make this a bit less of a "cold turkey" transition and
give a larger window for users to update.

Note: This proposal does not intend to re-litigate the motivation for the
original MCP. The intent is only to smooth the transition to the desired
end-state with hopefully less hypothetical confusion along the way.

Currently there are a number of pull requests from Yosh related to renaming the
wasm32-wasi target:

These PRs have not yet been merged primarily because Yosh ran out of time to
spend on them. He's asked me and I've agree to help push these over the finish
line. In reviewing them, however, I shared concerns that some folks brought up
on the rust-lang/rust PR about the breakage this might cause. Virtually all
users of the wasm32-wasi target will experience breakage from this rename for
example because build scripts, Cargo invocations, artifact directories, etc, all
need to change. This sort of transition can also be a bit messy with breakage
landing on nightly affecting some users but not those users using stable. The
goal of this proposal is to smooth this transition over a period of time to
reduce the amount of immediate breakage. The sum of work required is basically
the same where everyone will still need to update, but there will be a window to
update rather than a requirement at a particular point in time.

Specifically this proposal is to have the following schedule and plan for
renaming the wasm32-wasi target.

  1. Implement a wasm32-wasi-preview1 target in the Rust compiler alongside the pre-existing wasm32-wasi target.
  2. Ship the wasm32-wasi-preview1 target via Rustup as a Tier 2 target, enabling usage on nightly Rust and eventually stable.
  3. Let the above ride the Rust release channels to stable.
  4. After one stable release implement a warning when wasm32-wasi is used that the target has been renamed to wasm32-wasi-preview1.
  5. After the change from (4) reaches stable and has been there for one release, remove the wasm32-wasi target and the warning from (4).

To users this rollout will first appear in a stable release that supports both the old and the new target names. Projects can immediately start transitioning and any form of stable/beta/nightly testing will all continue to work. Three releases later stable users will start getting warnings about the wasm32-wasi target being renamed, and three releases after that the target will be removed. Projects spanning stable/beta/nightly will have a one-release window to make changes.

In a tabular form based on Rust releases the above schedule would look like:

Rust Stable Rust Beta Rust Nightly Notes
N - 2 N - 1 N add support for wasm32-wasi-preview1 (1, 2)
N - 1 N N 1
N N 1 N 2
N 1 N 2 N 3 warn on wasm32-wasi (4)
N 2 N 3 N 4
N 3 N 4 N 5
N 4 N 5 N 6 remove wasm32-wasi (5)
N 5 N 6 N 7
N 6 N 7 N 8 wasm32-wasi is now gone on all release channels

Note that this proposal additionally differs from the steps in the tracking issue where no work will be done on either Rustup or Cargo, instead keeping all the changes here isolated to just rustc.

Mentors or Reviewers

I plan on being on the hook for the implementation work here. I'd help take over the renaming PRs from Yosh. I'd update the renaming PR to not remove wasm32-wasi just yet but instead build both that and the new target. Additionally I'd implement the warning for using wasm32-wasi and the eventual removal of the wasm32-wasi target. If I disappear or become unresponsive I would expect that at any time the Rust project could remove the wasm32-wasi target and warning if it's present.

Process

The main points of the Major Change Process are as follows:

  • File an issue describing the proposal.
  • A compiler team member or contributor who is knowledgeable in the area can second by writing @rustbot second.
    • Finding a "second" suffices for internal changes. If however, you are proposing a new public-facing feature, such as a -C flag, then full team check-off is required.
    • Compiler team members can initiate a check-off via @rfcbot fcp merge on either the MCP or the PR.
  • Once an MCP is seconded, the Final Comment Period begins. If no objections are raised after 10 days, the MCP is considered approved.

You can read more about Major Change Proposals on forge.

Comments

This issue is not meant to be used for technical discussion. There is a Zulip
stream for that. Use this issue to leave procedural comments, such as
volunteering to review, indicating that you second the proposal (or third, etc),
or raising a concern that you would like to be addressed.

@alexcrichton alexcrichton added major-change A proposal to make a major change to rustc T-compiler Add this label so rfcbot knows to poll the compiler team labels Nov 27, 2023
@rustbot
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rustbot commented Nov 27, 2023

This issue is not meant to be used for technical discussion. There is a Zulip stream for that. Use this issue to leave procedural comments, such as volunteering to review, indicating that you second the proposal (or third, etc), or raising a concern that you would like to be addressed.

cc @rust-lang/compiler @rust-lang/compiler-contributors

@rustbot rustbot added the to-announce Announce this issue on triage meeting label Nov 27, 2023
@apiraino apiraino removed the to-announce Announce this issue on triage meeting label Dec 12, 2023
@Noratrieb
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The rename was approved already. This transition period looks very reasonable, making sure that stable and nightly can be used consistently seems important.
@rustbot second

@rustbot rustbot added the final-comment-period The FCP has started, most (if not all) team members are in agreement label Dec 29, 2023
fmease added a commit to fmease/rust that referenced this issue Jan 24, 2024
…ochenkov,m-ou-se

Add a new `wasm32-wasi-preview2` target

This is the initial implementation of the MCP rust-lang/compiler-team#694 creating a new tier 3 target `wasm32-wasi-preview2`. That MCP has been seconded and will most likely be approved in a little over a week from now. For more information on the need for this target, please read the [MCP](rust-lang/compiler-team#694).

There is one aspect of this PR that will become insta-stable once these changes reach a stable compiler:
* A new `target_family` named `wasi` is introduced. This target family incorporates all wasi targets including `wasm32-wasi` and its derivative `wasm32-wasi-preview1-threads`. The difference between `target_family = wasi` and `target_os = wasi` will become much clearer when `wasm32-wasi` is renamed to `wasm32-wasi-preview1` and the `target_os` becomes `wasm32-wasi-preview1`. You can read about this target rename in [this MCP](rust-lang/compiler-team#695) which has also been seconded and will hopefully be officially approved soon.

Additional technical details include:
* Both `std::sys::wasi_preview2` and `std::os::wasi_preview2` have been created and mostly use `#[path]` annotations on their submodules to reach into the existing `wasi` (soon to be `wasi_preview1`) modules. Over time the differences between `wasi_preview1` and `wasi_preview2` will grow and most like all `#[path]` based module aliases will fall away.
* Building `wasi-preview2` relies on a [`wasi-sdk`](https://github.com/WebAssembly/wasi-sdk) in the same way that `wasi-preview1` does (one must include a `wasi-root` path in the `Config.toml` pointing to sysroot included in the wasi-sdk). The target should build against [wasi-sdk v21](https://github.com/WebAssembly/wasi-sdk/releases/tag/wasi-sdk-21) without modifications. However, the wasi-sdk itself is growing [preview2 support](WebAssembly/wasi-sdk#370) so this might shift rapidly. We will be following along quickly to make sure that building the target remains possible as the wasi-sdk changes.
* This requires a [patch to libc](https://github.com/rylev/rust-libc/tree/wasm32-wasi-preview2) that we'll need to land in conjunction with this change. Until that patch lands the target won't actually build.
fmease added a commit to fmease/rust that referenced this issue Jan 24, 2024
…ochenkov,m-ou-se

Add a new `wasm32-wasi-preview2` target

This is the initial implementation of the MCP rust-lang/compiler-team#694 creating a new tier 3 target `wasm32-wasi-preview2`. That MCP has been seconded and will most likely be approved in a little over a week from now. For more information on the need for this target, please read the [MCP](rust-lang/compiler-team#694).

There is one aspect of this PR that will become insta-stable once these changes reach a stable compiler:
* A new `target_family` named `wasi` is introduced. This target family incorporates all wasi targets including `wasm32-wasi` and its derivative `wasm32-wasi-preview1-threads`. The difference between `target_family = wasi` and `target_os = wasi` will become much clearer when `wasm32-wasi` is renamed to `wasm32-wasi-preview1` and the `target_os` becomes `wasm32-wasi-preview1`. You can read about this target rename in [this MCP](rust-lang/compiler-team#695) which has also been seconded and will hopefully be officially approved soon.

Additional technical details include:
* Both `std::sys::wasi_preview2` and `std::os::wasi_preview2` have been created and mostly use `#[path]` annotations on their submodules to reach into the existing `wasi` (soon to be `wasi_preview1`) modules. Over time the differences between `wasi_preview1` and `wasi_preview2` will grow and most like all `#[path]` based module aliases will fall away.
* Building `wasi-preview2` relies on a [`wasi-sdk`](https://github.com/WebAssembly/wasi-sdk) in the same way that `wasi-preview1` does (one must include a `wasi-root` path in the `Config.toml` pointing to sysroot included in the wasi-sdk). The target should build against [wasi-sdk v21](https://github.com/WebAssembly/wasi-sdk/releases/tag/wasi-sdk-21) without modifications. However, the wasi-sdk itself is growing [preview2 support](WebAssembly/wasi-sdk#370) so this might shift rapidly. We will be following along quickly to make sure that building the target remains possible as the wasi-sdk changes.
* This requires a [patch to libc](https://github.com/rylev/rust-libc/tree/wasm32-wasi-preview2) that we'll need to land in conjunction with this change. Until that patch lands the target won't actually build.
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Jan 24, 2024
Rollup merge of rust-lang#119616 - rylev:wasm32-wasi-preview2, r=petrochenkov,m-ou-se

Add a new `wasm32-wasi-preview2` target

This is the initial implementation of the MCP rust-lang/compiler-team#694 creating a new tier 3 target `wasm32-wasi-preview2`. That MCP has been seconded and will most likely be approved in a little over a week from now. For more information on the need for this target, please read the [MCP](rust-lang/compiler-team#694).

There is one aspect of this PR that will become insta-stable once these changes reach a stable compiler:
* A new `target_family` named `wasi` is introduced. This target family incorporates all wasi targets including `wasm32-wasi` and its derivative `wasm32-wasi-preview1-threads`. The difference between `target_family = wasi` and `target_os = wasi` will become much clearer when `wasm32-wasi` is renamed to `wasm32-wasi-preview1` and the `target_os` becomes `wasm32-wasi-preview1`. You can read about this target rename in [this MCP](rust-lang/compiler-team#695) which has also been seconded and will hopefully be officially approved soon.

Additional technical details include:
* Both `std::sys::wasi_preview2` and `std::os::wasi_preview2` have been created and mostly use `#[path]` annotations on their submodules to reach into the existing `wasi` (soon to be `wasi_preview1`) modules. Over time the differences between `wasi_preview1` and `wasi_preview2` will grow and most like all `#[path]` based module aliases will fall away.
* Building `wasi-preview2` relies on a [`wasi-sdk`](https://github.com/WebAssembly/wasi-sdk) in the same way that `wasi-preview1` does (one must include a `wasi-root` path in the `Config.toml` pointing to sysroot included in the wasi-sdk). The target should build against [wasi-sdk v21](https://github.com/WebAssembly/wasi-sdk/releases/tag/wasi-sdk-21) without modifications. However, the wasi-sdk itself is growing [preview2 support](WebAssembly/wasi-sdk#370) so this might shift rapidly. We will be following along quickly to make sure that building the target remains possible as the wasi-sdk changes.
* This requires a [patch to libc](https://github.com/rylev/rust-libc/tree/wasm32-wasi-preview2) that we'll need to land in conjunction with this change. Until that patch lands the target won't actually build.
compiler-errors added a commit to compiler-errors/rust that referenced this issue Jan 26, 2024
…ochenkov,m-ou-se

Add a new `wasm32-wasi-preview2` target

This is the initial implementation of the MCP rust-lang/compiler-team#694 creating a new tier 3 target `wasm32-wasi-preview2`. That MCP has been seconded and will most likely be approved in a little over a week from now. For more information on the need for this target, please read the [MCP](rust-lang/compiler-team#694).

There is one aspect of this PR that will become insta-stable once these changes reach a stable compiler:
* A new `target_family` named `wasi` is introduced. This target family incorporates all wasi targets including `wasm32-wasi` and its derivative `wasm32-wasi-preview1-threads`. The difference between `target_family = wasi` and `target_os = wasi` will become much clearer when `wasm32-wasi` is renamed to `wasm32-wasi-preview1` and the `target_os` becomes `wasm32-wasi-preview1`. You can read about this target rename in [this MCP](rust-lang/compiler-team#695) which has also been seconded and will hopefully be officially approved soon.

Additional technical details include:
* Both `std::sys::wasi_preview2` and `std::os::wasi_preview2` have been created and mostly use `#[path]` annotations on their submodules to reach into the existing `wasi` (soon to be `wasi_preview1`) modules. Over time the differences between `wasi_preview1` and `wasi_preview2` will grow and most like all `#[path]` based module aliases will fall away.
* Building `wasi-preview2` relies on a [`wasi-sdk`](https://github.com/WebAssembly/wasi-sdk) in the same way that `wasi-preview1` does (one must include a `wasi-root` path in the `Config.toml` pointing to sysroot included in the wasi-sdk). The target should build against [wasi-sdk v21](https://github.com/WebAssembly/wasi-sdk/releases/tag/wasi-sdk-21) without modifications. However, the wasi-sdk itself is growing [preview2 support](WebAssembly/wasi-sdk#370) so this might shift rapidly. We will be following along quickly to make sure that building the target remains possible as the wasi-sdk changes.
* This requires a [patch to libc](https://github.com/rylev/rust-libc/tree/wasm32-wasi-preview2) that we'll need to land in conjunction with this change. Until that patch lands the target won't actually build.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Jan 29, 2024
This commit adds a new target called `wasm32-wasi-preview1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasi-preview1` to better live alongside the [new
`wasm32-wasi-preview2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasi-preview1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
@wesleywiser
Copy link
Member

@rustbot label -final-comment-period major-change-accepted

@rustbot rustbot added major-change-accepted A major change proposal that was accepted to-announce Announce this issue on triage meeting and removed final-comment-period The FCP has started, most (if not all) team members are in agreement labels Jan 29, 2024
alexcrichton added a commit to alexcrichton/rust that referenced this issue Jan 30, 2024
This commit adds a new target called `wasm32-wasi-preview1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasi-preview1` to better live alongside the [new
`wasm32-wasi-preview2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasi-preview1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
@apiraino apiraino removed the to-announce Announce this issue on triage meeting label Feb 1, 2024
alexcrichton added a commit to alexcrichton/rust that referenced this issue Feb 20, 2024
This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Feb 20, 2024
This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Feb 22, 2024
This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Feb 22, 2024
This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
bors added a commit to rust-lang-ci/rust that referenced this issue Feb 27, 2024
…henkov,m-ou-se

Add a new `wasm32-wasi-preview2` target

This is the initial implementation of the MCP rust-lang/compiler-team#694 creating a new tier 3 target `wasm32-wasi-preview2`. That MCP has been seconded and will most likely be approved in a little over a week from now. For more information on the need for this target, please read the [MCP](rust-lang/compiler-team#694).

There is one aspect of this PR that will become insta-stable once these changes reach a stable compiler:
* A new `target_family` named `wasi` is introduced. This target family incorporates all wasi targets including `wasm32-wasi` and its derivative `wasm32-wasi-preview1-threads`. The difference between `target_family = wasi` and `target_os = wasi` will become much clearer when `wasm32-wasi` is renamed to `wasm32-wasi-preview1` and the `target_os` becomes `wasm32-wasi-preview1`. You can read about this target rename in [this MCP](rust-lang/compiler-team#695) which has also been seconded and will hopefully be officially approved soon.

Additional technical details include:
* Both `std::sys::wasi_preview2` and `std::os::wasi_preview2` have been created and mostly use `#[path]` annotations on their submodules to reach into the existing `wasi` (soon to be `wasi_preview1`) modules. Over time the differences between `wasi_preview1` and `wasi_preview2` will grow and most like all `#[path]` based module aliases will fall away.
* Building `wasi-preview2` relies on a [`wasi-sdk`](https://github.com/WebAssembly/wasi-sdk) in the same way that `wasi-preview1` does (one must include a `wasi-root` path in the `Config.toml` pointing to sysroot included in the wasi-sdk). The target should build against [wasi-sdk v21](https://github.com/WebAssembly/wasi-sdk/releases/tag/wasi-sdk-21) without modifications. However, the wasi-sdk itself is growing [preview2 support](WebAssembly/wasi-sdk#370) so this might shift rapidly. We will be following along quickly to make sure that building the target remains possible as the wasi-sdk changes.
* This requires a [patch to libc](https://github.com/rylev/rust-libc/tree/wasm32-wasi-preview2) that we'll need to land in conjunction with this change. Until that patch lands the target won't actually build.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Feb 28, 2024
This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
workingjubilee added a commit to workingjubilee/rustc that referenced this issue Mar 1, 2024
…ame, r=wesleywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
workingjubilee added a commit to workingjubilee/rustc that referenced this issue Mar 1, 2024
…ame, r=wesleywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
bors added a commit to rust-lang-ci/rust that referenced this issue Mar 2, 2024
…e, r=wesleywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Mar 2, 2024
This commit adds a new target called `wasm32-wasip1` to rustc.
This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to
`wasm32-wasip1` to better live alongside the [new
`wasm32-wasip2` target](rust-lang#119616).
This new target is added alongside the `wasm32-wasi` target and has the
exact same definition as the previous target. This PR is effectively a
rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that
as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi`
target is not being removed at this time. This change will reach stable
Rust before even a warning about the rename will be printed. At this
time this change is just the start where a new target is introduced and
users can start migrating if they support only Nightly for example.
bors added a commit to rust-lang-ci/rust that referenced this issue Mar 4, 2024
…e, r=wesleywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
github-actions bot pushed a commit to rust-lang/miri that referenced this issue Mar 5, 2024
…eywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang/rust#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
lnicola pushed a commit to lnicola/rust-analyzer that referenced this issue Apr 7, 2024
…eywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang/rust#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
RalfJung pushed a commit to RalfJung/rust-analyzer that referenced this issue Apr 27, 2024
…eywiser

Add a new `wasm32-wasip1` target to rustc

This commit adds a new target called `wasm32-wasip1` to rustc. This new target is explained in these two MCPs:

* rust-lang/compiler-team#607
* rust-lang/compiler-team#695

In short, the previous `wasm32-wasi` target is going to be renamed to `wasm32-wasip1` to better live alongside the [new `wasm32-wasip2` target](rust-lang/rust#119616). This new target is added alongside the `wasm32-wasi` target and has the exact same definition as the previous target. This PR is effectively a rename of `wasm32-wasi` to `wasm32-wasip1`. Note, however, that as explained in rust-lang/compiler-team#695 the previous `wasm32-wasi` target is not being removed at this time. This change will reach stable Rust before even a warning about the rename will be printed. At this time this change is just the start where a new target is introduced and users can start migrating if they support only Nightly for example.
alexcrichton added a commit to alexcrichton/rust that referenced this issue Jun 19, 2024
This commit is a continuation of the work originally proposed in
rust-lang/compiler-team#607 and later amended in
rust-lang/compiler-team#695. The end goal is to rename `wasm32-wasi` to
`wasm32-wasip1` to reflect WASI's development and distinguish the
preexisting target from the `wasm32-wasip2` target that WASI is now
developing. Work for this transition began in rust-lang#120468 which landed in
Rust 1.78 which became stable on 2024-05-02.

This implements the next phase of the transition plan to warn on usage
of `wasm32-wasi`. This is intended to help alert users that a removal is
pending and all release channels have the replacement available as well.
This will reach stable on 2024-09-05. The next stage of the plan is to
remove the `wasm32-wasi` target some time in October 2024 which means
that the removal will reach stable on 2025-01-09. For reference a full
schedule of this transition is listed [here].

Currently this implementation is a simple unconditional warning whenever
`rustc --target wasm32-wasi` is invoked. As-implemented there's no way
to turn off the warning other than to switch to the `wasm32-wasip1`
target.

[here]: rust-lang#120468 (comment)
fmease added a commit to fmease/rust that referenced this issue Jun 19, 2024
…r=michaelwoerister

Unconditionally warn on usage of `wasm32-wasi`

This commit is a continuation of the work originally proposed in rust-lang/compiler-team#607 and later amended in
rust-lang/compiler-team#695. The end goal is to rename `wasm32-wasi` to `wasm32-wasip1` to reflect WASI's development and distinguish the preexisting target from the `wasm32-wasip2` target that WASI is now developing. Work for this transition began in rust-lang#120468 which landed in Rust 1.78 which became stable on 2024-05-02.

This implements the next phase of the transition plan to warn on usage of `wasm32-wasi`. This is intended to help alert users that a removal is pending and all release channels have the replacement available as well. This will reach stable on 2024-09-05. The next stage of the plan is to remove the `wasm32-wasi` target some time in October 2024 which means that the removal will reach stable on 2025-01-09. For reference a full schedule of this transition is listed [here].

Currently this implementation is a simple unconditional warning whenever `rustc --target wasm32-wasi` is invoked. As-implemented there's no way to turn off the warning other than to switch to the `wasm32-wasip1` target.

[here]: rust-lang#120468 (comment)
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Jun 19, 2024
Rollup merge of rust-lang#126662 - alexcrichton:warn-on-wasm32-wasi, r=michaelwoerister

Unconditionally warn on usage of `wasm32-wasi`

This commit is a continuation of the work originally proposed in rust-lang/compiler-team#607 and later amended in
rust-lang/compiler-team#695. The end goal is to rename `wasm32-wasi` to `wasm32-wasip1` to reflect WASI's development and distinguish the preexisting target from the `wasm32-wasip2` target that WASI is now developing. Work for this transition began in rust-lang#120468 which landed in Rust 1.78 which became stable on 2024-05-02.

This implements the next phase of the transition plan to warn on usage of `wasm32-wasi`. This is intended to help alert users that a removal is pending and all release channels have the replacement available as well. This will reach stable on 2024-09-05. The next stage of the plan is to remove the `wasm32-wasi` target some time in October 2024 which means that the removal will reach stable on 2025-01-09. For reference a full schedule of this transition is listed [here].

Currently this implementation is a simple unconditional warning whenever `rustc --target wasm32-wasi` is invoked. As-implemented there's no way to turn off the warning other than to switch to the `wasm32-wasip1` target.

[here]: rust-lang#120468 (comment)
github-actions bot pushed a commit to rust-lang/miri that referenced this issue Jun 21, 2024
…woerister

Unconditionally warn on usage of `wasm32-wasi`

This commit is a continuation of the work originally proposed in rust-lang/compiler-team#607 and later amended in
rust-lang/compiler-team#695. The end goal is to rename `wasm32-wasi` to `wasm32-wasip1` to reflect WASI's development and distinguish the preexisting target from the `wasm32-wasip2` target that WASI is now developing. Work for this transition began in #120468 which landed in Rust 1.78 which became stable on 2024-05-02.

This implements the next phase of the transition plan to warn on usage of `wasm32-wasi`. This is intended to help alert users that a removal is pending and all release channels have the replacement available as well. This will reach stable on 2024-09-05. The next stage of the plan is to remove the `wasm32-wasi` target some time in October 2024 which means that the removal will reach stable on 2025-01-09. For reference a full schedule of this transition is listed [here].

Currently this implementation is a simple unconditional warning whenever `rustc --target wasm32-wasi` is invoked. As-implemented there's no way to turn off the warning other than to switch to the `wasm32-wasip1` target.

[here]: rust-lang/rust#120468 (comment)
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