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gn-check-autofix

星标172

分支82

更新时间2026年4月14日 11:22

Automatically fix GN check errors in WebRTC BUILD.gn files. Use when encountering "Include not allowed", "rtc_source_set shall not contain cc files", or when needing to clean up non-absolute dependencies.

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在 Manus 中运行

来源

signalapp

signalapp/webrtc

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在 Manus 中运行

GN Check Autofix

This skill provides instructions for using tools_webrtc/gn_check_autofix.py to automatically resolve common GN build configuration errors in WebRTC.

Core Workflows

Fix Missing Dependencies

When you see "Include not allowed" errors from gn gen --check, use this workflow:

Run the autofix tool on your output directory:
```
tools_webrtc/gn_check_autofix.py -C <dir>
```
The tool will:
- Identify targets missing dependencies.
- Add the missing deps to the appropriate BUILD.gn files.
- Automatically run gn format on modified files.

Fix rtc_source_set Violations

If you see "rtc_source_set shall not contain cc files", the tool will automatically convert them to rtc_library:

Run the tool:

tools_webrtc/gn_check_autofix.py -C <dir>

Clean Up Dependencies

To remove all non-absolute dependencies (those not starting with //) from specific BUILD.gn files:

tools_webrtc/gn_check_autofix.py -r path/to/BUILD.gn

Note: This preserves absolute dependencies (starting with //) and targets ending in _test, _tests, _unittest, or _unittests.

Integration with Include Cleaner

This tool is the recommended second step after running webrtc-include-cleaner. While the include cleaner updates your C++ source files, gn-check-autofix synchronizes your BUILD.gn files to match.

Parameters

-C <dir>: Path to a local build directory (e.g., out/Default). The tool internally runs gn gen --check --error-limit=20000.
-r <files>: Remove all non-absolute dependencies from the specified files.
--error-limit: Can be used to override the default error cap.

Post-Fix Steps

After the tool runs, always verify the changes:

Deduplicate: The tool may occasionally add a dependency that is already present. Check the deps list for duplicates.
Regenerate GN: Run gn gen <dir> to confirm errors are resolved.
Format: The tool runs gn format, but a final git cl format is recommended for consistency.
Review: Check the diff to ensure dependencies were added to the correct targets.

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name	gn-check-autofix
description	Automatically fix GN check errors in WebRTC BUILD.gn files. Use when encountering "Include not allowed", "rtc_source_set shall not contain cc files", or when needing to clean up non-absolute dependencies.

GN Check Autofix

This skill provides instructions for using tools_webrtc/gn_check_autofix.py to automatically resolve common GN build configuration errors in WebRTC.

Core Workflows

Fix Missing Dependencies

When you see "Include not allowed" errors from gn gen --check, use this workflow:

Run the autofix tool on your output directory:
```
tools_webrtc/gn_check_autofix.py -C <dir>
```
The tool will:
- Identify targets missing dependencies.
- Add the missing deps to the appropriate BUILD.gn files.
- Automatically run gn format on modified files.

Fix rtc_source_set Violations

If you see "rtc_source_set shall not contain cc files", the tool will automatically convert them to rtc_library:

Run the tool:

tools_webrtc/gn_check_autofix.py -C <dir>

Clean Up Dependencies

To remove all non-absolute dependencies (those not starting with //) from specific BUILD.gn files:

tools_webrtc/gn_check_autofix.py -r path/to/BUILD.gn

Note: This preserves absolute dependencies (starting with //) and targets ending in _test, _tests, _unittest, or _unittests.

Integration with Include Cleaner

Parameters

-C <dir>: Path to a local build directory (e.g., out/Default). The tool internally runs gn gen --check --error-limit=20000.
-r <files>: Remove all non-absolute dependencies from the specified files.
--error-limit: Can be used to override the default error cap.

Post-Fix Steps

After the tool runs, always verify the changes:

Deduplicate: The tool may occasionally add a dependency that is already present. Check the deps list for duplicates.
Regenerate GN: Run gn gen <dir> to confirm errors are resolved.
Format: The tool runs gn format, but a final git cl format is recommended for consistency.
Review: Check the diff to ensure dependencies were added to the correct targets.