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@aam aam commented Oct 13, 2025

Changes since last roll

2d8e0359a76 (tag: 3.11.0-17.0.dev, origin/lkgr-dev) Version 3.11.0-17.0.dev
06be66b5b60 [cfe] Don't nest deferred prefix scopes
07c9599ead5 [vm] Tweak location of Perfetto protos

Includes build changes to accommodate perfetto move.

Changes since last roll
```
2d8e0359a76 (tag: 3.11.0-17.0.dev, origin/lkgr-dev) Version 3.11.0-17.0.dev
06be66b5b60 [cfe] Don't nest deferred prefix scopes
07c9599ead5 [vm] Tweak location of Perfetto protos
```

Includes build changes to accommodate perfetto move.
@github-actions github-actions bot added the engine flutter/engine related. See also e: labels. label Oct 13, 2025
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Code Review

This pull request updates the perfetto_root_path in engine/src/build_overrides/build.gni to point to a new location within the Dart SDK's third-party dependencies. This change is part of rolling the Dart SDK to version 3.11.0-17.0.dev and accommodates the relocation of Perfetto. My review includes a suggestion to adhere to the GN style guide regarding path formatting.

perfetto_build_with_embedder = true

perfetto_root_path = "//flutter/third_party/perfetto/"
perfetto_root_path = "//flutter/third_party/dart/third_party/perfetto/src/"
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medium

The repository style guide requires following the GN Style Guide.1 The GN Style Guide specifies that directory paths should not have a trailing slash. Please remove the trailing slash from this path.

For reference, the GN Style Guide says: 'Directory names should not have a trailing slash. So use //path/to/foo, not //path/to/foo/.'

Suggested change
perfetto_root_path = "//flutter/third_party/dart/third_party/perfetto/src/"
perfetto_root_path = "//flutter/third_party/dart/third_party/perfetto/src"

Style Guide References

Footnotes

  1. The repository style guide specifies that GN code should follow the official GN Style Guide.

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medium

The repository style guide requires following the GN Style Guide.1 The GN Style Guide specifies that directory paths should not have a trailing slash. Please remove the trailing slash from this path.

For reference, the GN Style Guide says: 'Directory names should not have a trailing slash. So use //path/to/foo, not //path/to/foo/.'

Style Guide References

Footnotes

  1. The repository style guide specifies that GN code should follow the official GN Style Guide.

Trailing slash is needed here, without it the build fails:

╰─➤  git diff | cat
diff --git a/engine/src/build_overrides/build.gni b/engine/src/build_overrides/build.gni
index 5cb0d86dcd9..36a4c53233f 100644
--- a/engine/src/build_overrides/build.gni
+++ b/engine/src/build_overrides/build.gni
@@ -12,5 +12,5 @@ build_with_chromium = false
 # builds in the Android tree.
 perfetto_build_with_embedder = true
 
-perfetto_root_path = "//flutter/third_party/dart/third_party/perfetto/src/"
+perfetto_root_path = "//flutter/third_party/dart/third_party/perfetto/src"
 
╰─➤  engine/src/flutter/bin/et build
[2025-10-13 12:30:22.084947][linux/host_debug: GN]: FAILED
COMMAND:
~/p/f/f1/flutter/engine/src/flutter/tools/gn --runtime-mode debug --no-stripped --no-lto --rbe --no-goma
STDOUT:
ERROR at //third_party/protobuf/proto_library.gni:407:19: Can't load input file.
        deps += [ plugin_host_label ]
                  ^----------------
Unable to load:
  ~/p/f/f1/flutter/engine/src/flutter/third_party/dart/third_party/perfetto/srcsrc/protozero/protoc_plugin/BUILD.gn
I also checked in the secondary tree for:
  ~/p/f/f1/flutter/engine/src/flutter/build/secondary/flutter/third_party/dart/third_party/perfetto/srcsrc/protozero/protoc_plugin/BUILD.gn
Using prebuilt Dart SDK binary. If you are editing Dart sources and wish to compile the Dart SDK, set `--no-prebuilt-dart-sdk`.
Generating GN files in: out/host_debug

STDERR:

@aam aam requested review from mraleph and rmacnak-google October 13, 2025 19:33
@aam aam added the autosubmit Merge PR when tree becomes green via auto submit App label Oct 13, 2025
@auto-submit auto-submit bot added this pull request to the merge queue Oct 14, 2025
Merged via the queue into flutter:master with commit 0d8fcc8 Oct 14, 2025
186 of 187 checks passed
@flutter-dashboard flutter-dashboard bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Oct 14, 2025
@aam aam deleted the roll-dart-with-fix branch October 14, 2025 01:08
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Oct 14, 2025
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…10229)

Manual roll Flutter from e11e2c11288b to 7cd821c21093 (73 revisions)

Manual roll requested by [email protected]

flutter/flutter@e11e2c1...7cd821c

2025-10-14 [email protected] Fix computeDistanceToActualBaseline throws when accessing child size (flutter/flutter#176906)
2025-10-14 [email protected] iOS can set application locale before view controller is set (flutter/flutter#176592)
2025-10-14 [email protected] Roll ANGLE to a branch based on d9fa255a5c22 (flutter/flutter#176747)
2025-10-14 [email protected] Relands "Fixes keyboard selects disabled radio" (flutter/flutter#176977)
2025-10-14 [email protected] Fix expansion tile is missing state announcement on non-Apple platforms (flutter/flutter#175480)
2025-10-14 [email protected] impeller: allows access of float uniforms by name (flutter/flutter#176728)
2025-10-14 [email protected] Roll dart sdk to 3.11.0-17.0.dev (flutter/flutter#176947)
2025-10-13 [email protected] Move iOS integration tests (flutter/flutter#176940)
2025-10-13 [email protected] Make sure that an InputDatePickerFormField doesn't crash in 0x0 envir… (flutter/flutter#176047)
2025-10-13 [email protected] [web] Match the behavior of other platforms in Web Locale.toString if the country code is an empty string (flutter/flutter#176862)
2025-10-13 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Fixes keyboard selects disabled radio (#176727)" (flutter/flutter#176958)
2025-10-13 [email protected] Fixes keyboard selects disabled radio (flutter/flutter#176727)
2025-10-13 [email protected] Roll Packages from e319c40 to d062181 (2 revisions) (flutter/flutter#176916)
2025-10-13 [email protected] Roll SwiftShader to 794b0cfce1d8 (flutter/flutter#176806)
2025-10-13 [email protected] Make DropdownMenu generic type non nullable (flutter/flutter#176711)
2025-10-12 [email protected] Roll Fuchsia Linux SDK from BWGpRvpdQh-HJpq1c... to _dd0Jv50H0oUI2Ad8... (flutter/flutter#176895)
2025-10-11 [email protected] Roll Fuchsia Linux SDK from JpiUsek1hU5r9QVKP... to BWGpRvpdQh-HJpq1c... (flutter/flutter#176880)
2025-10-11 [email protected] fix: content hash check for LUCI_CONTEXT (flutter/flutter#176867)
2025-10-11 [email protected] Feat: make tooltip position customizeable (flutter/flutter#175047)
2025-10-11 [email protected] Roll Dart SDK from d88d8bf2b53c to 65b171958c93 (3 revisions) (flutter/flutter#176871)
2025-10-11 [email protected] feat: apply radioGroup role to segmented control widgets (flutter/flutter#176157)
2025-10-10 [email protected] Make sure that a CheckboxMenuButton doesn't crash in 0x0 environment (flutter/flutter#176450)
2025-10-10 [email protected] [WebParagraph] Support for more styles, placeholders, decorations, etc (flutter/flutter#172853)
2025-10-10 [email protected] Set up a version of build_ios_framework_module_test that only runs on x64 machines and extend its timeout (flutter/flutter#176811)
2025-10-10 [email protected] Roll Packages from 0b41de3 to e319c40 (1 revision) (flutter/flutter#176833)
2025-10-10 [email protected] [tool/dap] Forward app.warning events from Flutter to DAP client (flutter/flutter#176827)
2025-10-10 [email protected] Roll Dart SDK from 70c00d3ceb3a to d88d8bf2b53c (1 revision) (flutter/flutter#176830)
2025-10-10 [email protected] Remove unnecessary nullable types in examples. (flutter/flutter#176713)
2025-10-10 [email protected] Roll Fuchsia Linux SDK from xArtL4DH0FsdwSqG_... to JpiUsek1hU5r9QVKP... (flutter/flutter#176822)
2025-10-10 [email protected] Cleanup OutlinedButton.icon documentation and implementation (flutter/flutter#176630)
2025-10-10 [email protected] [HCPP] Properly remove hcpp views that are no longer visible (flutter/flutter#176742)
2025-10-10 [email protected] Make sure that an InputChip doesn't crash in 0x0 environment (flutter/flutter#175930)
2025-10-10 [email protected] Update Flutter templates' Dart style (flutter/flutter#175963)
2025-10-10 [email protected] Make sure that a DropdownButtonFormField doesn't crash in 0x0 environ… (flutter/flutter#174958)
2025-10-10 [email protected] Make sure that an InkWell doesn't crash in 0x0 environment (flutter/flutter#175871)
2025-10-10 [email protected] Handle#6537 end drawer button (flutter/flutter#173026)
2025-10-10 [email protected] Roll Dart SDK from a9b7bd4b0b32 to 70c00d3ceb3a (4 revisions) (flutter/flutter#176815)
2025-10-10 [email protected] Change default Linux thread policy to merge platform and UI threads. (flutter/flutter#176759)
2025-10-09 [email protected] [ Tool ] Roll package:dwds to 26.0.0 (flutter/flutter#176808)
2025-10-09 [email protected] Update `CHANGELOG` to include 3.35.6 notes (flutter/flutter#176803)
2025-10-09 [email protected] Announce text and button together when DropdownMenu is treated as a button (flutter/flutter#176428)
2025-10-09 [email protected] [native_assets] create macOS CCompilerConfig via xcrun --find (flutter/flutter#175717)
2025-10-09 [email protected] [Impeller] Fix broken links in README. (flutter/flutter#176770)
2025-10-09 [email protected] Fix links to Custom Flutter Engine Embedders in README. (flutter/flutter#175807)
...
reidbaker pushed a commit to AbdeMohlbi/flutter that referenced this pull request Dec 10, 2025
Changes since last roll
```
2d8e0359a76 (tag: 3.11.0-17.0.dev, origin/lkgr-dev) Version 3.11.0-17.0.dev
06be66b5b60 [cfe] Don't nest deferred prefix scopes
07c9599ead5 [vm] Tweak location of Perfetto protos
```

Includes build changes to accommodate perfetto move.
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