{aarch64,x86_64}-pc-windows-gnullvm: build host tools #140772

mati865 · 2025-05-07T21:22:32Z

This is a temporary single-release workflow to create stage0 for these targets.

I opted for bootstrapping from Linux because that's the easiest host system to work with, but once this hits beta, having dedicated Windows runners would be sensible and probably preferable.

--enable-full-tools for whatever reason doesn't seem to work when cross-compiling, because LLVM tools for the new hosts are not copied into the expected directory.

rust-lang/compiler-team#877

rustbot · 2025-05-07T21:22:37Z

r? @marcoieni

rustbot has assigned @marcoieni.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

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rustbot · 2025-05-07T21:22:39Z

This PR changes how LLVM is built. Consider updating src/bootstrap/download-ci-llvm-stamp.

mati865 · 2025-05-11T21:12:03Z

Forgot to include try-job. Fixed it.

marcoieni · 2025-05-15T09:39:36Z

This will require MCP, but I suppose we need to know how long it takes to build first.

ok, so I guess we need to try this, right?

@bors try

{aarch64,x86_64}-*-windows-gnullvm: build host tools This will require MCP, but I suppose we need to know how long it takes to build first. I opted for bootstrapping from Linux because that's the easiest host system to work with, but once this hits beta, having dedicated Windows runners would be sensible and probably preferable. `--enable-full-tools` for whatever reason doesn't seem to work when cross-compiling, because LLVM tools for the new hosts are not copied into the expected directory. And WiX that bootstrap relies upon to create .msi installers only supports Windows. I haven't tried, but it might be usable via Wine. Almost every commit is self-contained, so let me know if I should split them into separate PRs. try-job: dist-windows-gnullvm

bors · 2025-05-15T09:45:16Z

⌛ Trying commit d0b81ca with merge 9772d67...

marcoieni · 2025-05-15T13:54:32Z

maybe you need to add the job to the src/ci/github-actions/jobs.yml file?

bors · 2025-05-15T15:45:16Z

💥 Test timed out

mati865 · 2025-05-15T19:29:31Z

Oh, right. Totally forgot about it.

marcoieni · 2025-05-16T09:27:44Z

@bors try

bors · 2025-05-16T09:29:10Z

⌛ Trying commit b256449 with merge 34c404a...

{aarch64,x86_64}-*-windows-gnullvm: build host tools This will require MCP, but I suppose we need to know how long it takes to build first. I opted for bootstrapping from Linux because that's the easiest host system to work with, but once this hits beta, having dedicated Windows runners would be sensible and probably preferable. `--enable-full-tools` for whatever reason doesn't seem to work when cross-compiling, because LLVM tools for the new hosts are not copied into the expected directory. And WiX that bootstrap relies upon to create .msi installers only supports Windows. I haven't tried, but it might be usable via Wine. Almost every commit is self-contained, so let me know if I should split them into separate PRs. try-job: dist-windows-gnullvm

bors · 2025-05-16T15:09:11Z

💔 Test failed - checks-actions

mati865 · 2025-05-16T16:24:42Z

System.IO.IOException: No space left on device

Unfortunately, free CI runners are not as capable as I had hoped. I've split the jobs now, but dunno if this will be acceptable.

marcoieni · 2025-05-19T14:41:01Z

I've split the jobs now, but dunno if this will be acceptable.

yes, we prefer multiple free runner compared to 1 large runner 👍

@bors try

{aarch64,x86_64}-*-windows-gnullvm: build host tools This will require MCP, but I suppose we need to know how long it takes to build first. I opted for bootstrapping from Linux because that's the easiest host system to work with, but once this hits beta, having dedicated Windows runners would be sensible and probably preferable. `--enable-full-tools` for whatever reason doesn't seem to work when cross-compiling, because LLVM tools for the new hosts are not copied into the expected directory. And WiX that bootstrap relies upon to create .msi installers only supports Windows. I haven't tried, but it might be usable via Wine. Almost every commit is self-contained, so let me know if I should split them into separate PRs. try-job: dist-aarch64-windows-gnullvm try-job: dist-x86_64-windows-gnullvm

bors · 2025-05-19T14:42:14Z

⌛ Trying commit a84e84e with merge 9e708f5...

bors · 2025-05-19T14:49:16Z

💔 Test failed - checks-actions

marcoieni · 2025-05-19T15:41:57Z

@bors try

Noratrieb

r=me on the docs after fixing it

Noratrieb · 2025-06-17T05:24:56Z

src/doc/rustc/src/platform-support.md

@@ -147,8 +149,7 @@ target | std | notes
 [`aarch64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ | Mac Catalyst on ARM64
 [`aarch64-apple-ios-sim`](platform-support/apple-ios.md) | ✓ | Apple iOS Simulator on ARM64
 [`aarch64-linux-android`](platform-support/android.md) | ✓ | ARM64 Android
-[`aarch64-pc-windows-gnullvm`](platform-support/windows-gnullvm.md) | ✓ | ARM64 MinGW (Windows 10+), LLVM ABI
-[`aarch64-unknown-fuchsia`](platform-support/fuchsia.md) | ✓ | ARM64 Fuchsia
+`aarch64-unknown-fuchsia`](platform-support/fuchsia.md) | ✓ | ARM64 Fuchsia


you broke the [

Oof, good catch. Just when I thought my switch from Vim style bindings to Helix style is going well...

mati865 · 2025-06-17T06:52:01Z

@bors r=marcoieni,Noratrieb

bors · 2025-06-17T06:52:04Z

📌 Commit 2c2bc10 has been approved by marcoieni,Noratrieb

It is now in the queue for this repository.

…Noratrieb {aarch64,x86_64}-pc-windows-gnullvm: build host tools This is a temporary single-release workflow to create stage0 for these targets. I opted for bootstrapping from Linux because that's the easiest host system to work with, but once this hits beta, having dedicated Windows runners would be sensible and probably preferable. `--enable-full-tools` for whatever reason doesn't seem to work when cross-compiling, because LLVM tools for the new hosts are not copied into the expected directory. rust-lang/compiler-team#877

Rollup of 10 pull requests Successful merges: - #135656 (Add `-Z hint-mostly-unused` to tell rustc that most of a crate will go unused) - #138237 (Get rid of `EscapeDebugInner`.) - #140772 ({aarch64,x86_64}-pc-windows-gnullvm: build host tools) - #140774 (Affirm `-Cforce-frame-pointers=off` does not override) - #141610 (Stabilize `feature(generic_arg_infer)`) - #141864 (Handle win32 separator for cygwin paths) - #142384 (Bringing `rustc_rayon_core` in tree as `rustc_thread_pool`) - #142502 (rustdoc_json: improve handling of generic args) - #142571 (Reason about borrowed classes in CopyProp.) - #142591 (Add spawn APIs for BootstrapCommand to support deferred command execution) r? `@ghost` `@rustbot` modify labels: rollup

Kobzol · 2025-06-18T07:47:26Z

@bors r-

#142656 (comment) The removed SH file is being used from somewhere.

mati865 · 2025-06-18T15:11:10Z

Sorry, I forgot about to revert the Dockerfile change that was made by nobody else but me basically a year ago...

Should be fine now.

Kobzol · 2025-06-18T15:18:07Z

@bors2 try jobs=dist-various-1

rust-bors · 2025-06-18T15:18:11Z

⌛ Trying commit d577b39 with merge ba47ea7…

To cancel the try build, run the command @bors2 try cancel.

{aarch64,x86_64}-pc-windows-gnullvm: build host tools This is a temporary single-release workflow to create stage0 for these targets. I opted for bootstrapping from Linux because that's the easiest host system to work with, but once this hits beta, having dedicated Windows runners would be sensible and probably preferable. `--enable-full-tools` for whatever reason doesn't seem to work when cross-compiling, because LLVM tools for the new hosts are not copied into the expected directory. rust-lang/compiler-team#877 try-job: dist-various-1

rust-bors · 2025-06-18T16:44:21Z

☀️ Try build successful (CI)
Build commit: ba47ea7 (ba47ea744c188e94267c65fefe9133384cadc5fa, parent: 6f935a044d1ddeb6160494a6320d008d7c311aef)

Kobzol · 2025-06-18T16:46:38Z

Thanks!

@bors r+ rollup=iffy

bors · 2025-06-18T16:46:40Z

📌 Commit d577b39 has been approved by Kobzol

It is now in the queue for this repository.

bors · 2025-06-19T00:21:11Z

⌛ Testing commit d577b39 with merge d1d8e38...

bors · 2025-06-19T03:26:45Z

☀️ Test successful - checks-actions
Approved by: Kobzol
Pushing d1d8e38 to master...

github-actions · 2025-06-19T03:30:46Z

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing 044514e (parent) -> d1d8e38 (this PR)

Test differences

No test diffs found

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard d1d8e386c5e84c4ba857f56c3291f73c27e2d62a --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

x86_64-msvc-ext1: 7280.1s -> 10456.1s (43.6%)
x86_64-apple-2: 5025.2s -> 6830.3s (35.9%)
dist-x86_64-apple: 8007.9s -> 9332.3s (16.5%)
x86_64-apple-1: 9017.3s -> 7874.8s (-12.7%)
dist-aarch64-apple: 5567.3s -> 6163.9s (10.7%)
x86_64-mingw-1: 8562.6s -> 9185.7s (7.3%)
x86_64-gnu-aux: 6373.6s -> 5914.7s (-7.2%)
dist-various-1: 4189.3s -> 3905.3s (-6.8%)
mingw-check-2: 1977.4s -> 2104.9s (6.4%)
dist-x86_64-illumos: 5511.5s -> 5817.0s (5.5%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

rust-timer · 2025-06-19T10:40:21Z

Finished benchmarking commit (d1d8e38): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results (primary -2.5%, secondary 0.4%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	3.5%	[2.5%, 4.6%]	2
Improvements ✅ (primary)	-2.5%	[-3.4%, -1.5%]	2
Improvements ✅ (secondary)	-6.0%	[-6.0%, -6.0%]	1
All ❌✅ (primary)	-2.5%	[-3.4%, -1.5%]	2

Cycles

Results (secondary -0.2%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	2.4%	[2.4%, 2.4%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.7%	[-2.7%, -2.7%]	1
All ❌✅ (primary)	-	-	0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 693.624s -> 692.944s (-0.10%)
Artifact size: 372.05 MiB -> 372.01 MiB (-0.01%)

rustbot assigned marcoieni May 7, 2025

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bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels May 16, 2025

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Noratrieb reviewed Jun 17, 2025

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mati865 force-pushed the gnullvm-host branch from e3dcbd6 to 2c2bc10 Compare June 17, 2025 06:49

jhpratt mentioned this pull request Jun 18, 2025

Rollup of 10 pull requests #142656

Closed

bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jun 18, 2025

{aarch64,x86_64}-pc-windows-gnullvm: build host tools

d577b39

mati865 force-pushed the gnullvm-host branch from 2c2bc10 to d577b39 Compare June 18, 2025 15:07

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jun 18, 2025

bors added the merged-by-bors This PR was explicitly merged by bors. label Jun 19, 2025

bors merged commit d1d8e38 into rust-lang:master Jun 19, 2025
11 checks passed

rustbot added this to the 1.89.0 milestone Jun 19, 2025

bors mentioned this pull request Jun 19, 2025

fix for issue 132802: x86 code in wasm32-unknown-unknown binaries #137457

Open

yutannihilation mentioned this pull request Jun 19, 2025

*-pc-windows-gnullvm target yutannihilation/savvy#373

Open

{aarch64,x86_64}-pc-windows-gnullvm: build host tools #140772

{aarch64,x86_64}-pc-windows-gnullvm: build host tools #140772

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Test differences

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Overall result: no relevant changes - no action needed

Instruction count

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edited by Noratrieb

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