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@SvenGasterstaedt SvenGasterstaedt commented Aug 19, 2025

Changes the platform detection for Windows - so that it can be invoked from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a 32-bit version.

PROCESSOR_ARCHITEW6432 is only set if the process architecture differs from the platform architecture.

See https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes #174017

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It looks like this pull request may not have tests. Please make sure to add tests or get an explicit test exemption before merging.

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

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Code Review

This pull request correctly updates the Windows architecture detection in bin/internal/shared.bat. The change allows the script to run from a 32-bit process on a 64-bit Windows system by checking the PROCESSOR_ARCHITEW6432 environment variable, which is the correct approach. The change also fixes a minor typo in a comment. I have one suggestion to improve the readability of the conditional logic.

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Thanks for the wonderful contribution!

Before we land this, we'll need to get a test exemption. I requested one here.

@loic-sharma loic-sharma mentioned this pull request Aug 19, 2025
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test-exempt: requires more infra setup than the value of the test would provide

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LGTM. I'll help land this if needed.

@loic-sharma loic-sharma added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 19, 2025
@auto-submit auto-submit bot added this pull request to the merge queue Aug 19, 2025
Merged via the queue into flutter:master with commit bdc2249 Aug 19, 2025
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@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Aug 19, 2025
@matanlurey matanlurey added cp: beta cherry pick this pull request to beta release candidate branch cp: stable cherry pick this pull request to stable release candidate branch labels Aug 19, 2025
flutteractionsbot pushed a commit to flutteractionsbot/flutter that referenced this pull request Aug 19, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

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responsibilities.
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
flutteractionsbot pushed a commit to flutteractionsbot/flutter that referenced this pull request Aug 19, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 20, 2025
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auto-submit bot pushed a commit to flutter/packages that referenced this pull request Aug 20, 2025
…9862)

Manual roll Flutter from e65380a22076 to 960d1078f876 (36 revisions)

Manual roll requested by [email protected]

flutter/flutter@e65380a...960d107

2025-08-20 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Reapply "Add set semantics enabled API and wire iOS a11y bridge (#161… (#171198)" (flutter/flutter#174153)
2025-08-20 [email protected] Make sure that a Badge doesn't crash in 0x0 environment (flutter/flutter#172065)
2025-08-20 [email protected] Make sure that CalendarDatePicker & YearPicker don't crash in 0x0 environment (flutter/flutter#173408)
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2025-08-20 [email protected] Roll Dart SDK from 0d674ff61e2e to 0d0a0c394381 (1 revision) (flutter/flutter#174126)
2025-08-20 [email protected] [Android] Fix version code override calculation in FlutterPlugin (flutter/flutter#174081)
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2025-08-20 [email protected] feat: Added FocusNode prop for DropdownMenu Trailing Icon Button (flutter/flutter#172753)
2025-08-20 [email protected] Make component theme data defaults use `WidgetStateProperty` (flutter/flutter#173893)
2025-08-20 [email protected] Fix Menu anchor reduce padding on web and desktop (flutter/flutter#172691)
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2025-08-19 [email protected] [ Widget Preview ] Report an error if a web device is unavailable (flutter/flutter#174036)
2025-08-19 [email protected] [web] Fix error in ClickDebouncer when using VoiceOver (flutter/flutter#174046)
2025-08-19 [email protected] [ Tool ] Add logging to test_adapter_test.dart (flutter/flutter#174073)
2025-08-19 [email protected] Roll Fuchsia Linux SDK from n0EnLlotF2wczlOq_... to V1A1J6uXZ62Q10i9u... (flutter/flutter#174059)
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2025-08-19 [email protected] Add Shift+Enter shortcut example for TextField. (flutter/flutter#167952)
2025-08-19 [email protected] Check that the windows architecture is 64-bit and not the process architecture (flutter/flutter#174019)
2025-08-19 [email protected] Improve Stack widget error message for bounded constraints (flutter/flutter#173352)
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2025-08-19 [email protected] fix: Android build fails when minSdk is set below 24 in build.gradle.kts (#173823) (flutter/flutter#173825)
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2025-08-19 [email protected] Roll Packages from 5c52c55 to 953cae0 (22 revisions) (flutter/flutter#174040)
2025-08-19 [email protected] Add `open_jdk` to `Linux linux_android_emulator.debug_x64` (flutter/flutter#173989)

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...
SydneyBao pushed a commit to SydneyBao/flutter that referenced this pull request Aug 22, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
SydneyBao pushed a commit to SydneyBao/flutter that referenced this pull request Aug 22, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
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If you need help, consider asking for advice on the #hackers-new channel
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
mboetger pushed a commit to mboetger/flutter that referenced this pull request Sep 18, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
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**Note**: The Flutter team is currently trialing the use of [Gemini Code
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
korca0220 pushed a commit to korca0220/flutter that referenced this pull request Sep 22, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
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member's review for guidance on which automated comments should be
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[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
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[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
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[Data Driven Fixes]:
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
Jaineel-Mamtora pushed a commit to Jaineel-Mamtora/flutter_forked that referenced this pull request Sep 24, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
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[Contributor Guide]:
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[Tree Hygiene]:
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[test-exempt]:
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[Flutter Style Guide]:
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[Features we expect every widget to implement]:
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[Discord]:
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---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 12, 2025
lucaantonelli pushed a commit to lucaantonelli/flutter that referenced this pull request Nov 21, 2025
…hitecture (flutter#174019)

Changes the platform detection for Windows - so that it can be invoked
from a 32-bit process when we are on a 64-bit system.
This is the case for example 'make' for windows which only comes with a
32-bit version.

_PROCESSOR_ARCHITEW6432_ is only set if the process architecture differs
from the platform architecture.

See
https://learn.microsoft.com/de-de/windows/win32/winprog64/wow64-implementation-details#environment-variables

Fixes flutter#174017

*If you had to change anything in the [flutter/tests] repo, include a
link to the migration guide as per the [breaking change policy].*

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [X] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [ ] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

**Note**: The Flutter team is currently trialing the use of [Gemini Code
Assist for
GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code).
Comments from the `gemini-code-assist` bot should not be taken as
authoritative feedback from the Flutter team. If you find its comments
useful you can update your code accordingly, but if you are unsure or
disagree with the feedback, please feel free to wait for a Flutter team
member's review for guidance on which automated comments should be
addressed.

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
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[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
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[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

---------

Co-authored-by: Matan Lurey <[email protected]>
Co-authored-by: Loïc Sharma <[email protected]>
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Running Flutter on 64-bit Windows from a 32-bit Process fails

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