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Add cc attributes for backwards compatibility#1429

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oreflow merged 1 commit intobazelbuild:mainfrom
hvadehra:patch-1
Dec 9, 2025
Merged

Add cc attributes for backwards compatibility#1429
oreflow merged 1 commit intobazelbuild:mainfrom
hvadehra:patch-1

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@hvadehra
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@hvadehra hvadehra commented Dec 9, 2025

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@hvadehra hvadehra requested a review from a team as a code owner December 9, 2025 09:20
@hvadehra hvadehra requested review from AnnaSvalova and removed request for a team December 9, 2025 09:20
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Summary of Changes

Hello @hvadehra, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a potential compatibility issue by restoring specific cc attributes that were previously removed during the transition to Starlark-based build rules. The change ensures that existing build configurations relying on these attributes continue to function correctly, providing a smoother migration path for projects.

Highlights

  • Backwards Compatibility: This pull request reintroduces copts and linkstamp attributes to the generatetables configuration for backwards compatibility with older native CC rules.
  • Attribute Restoration: The copts attribute is added as a STRING_LIST type, and linkstamp as a STRING type, specifically addressing attributes that were removed during the Starlarkification process.
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Code Review

This pull request adds backwards compatibility for the copts and linkstamp attributes for CC rules, which is a reasonable change. The modification in generatetables/generate_tables.go appears correct. However, the corresponding generated file, lang/tables.gen.go, has not been updated to reflect these changes. This is a critical step to ensure the changes are effective and the project remains in a consistent state.

Comment on lines 107 to 110
// The following attributes used to exist in the native CC rules but were removed
// during Starlarkification. Add them here for backwards compatibility, at least for now.
types["copts"] = buildpb.Attribute_STRING_LIST
types["linkstamp"] = buildpb.Attribute_STRING
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critical

While adding these attributes for backwards compatibility is correct, the generated file lang/tables.gen.go that depends on this logic has not been updated in this pull request. Please run the update_generated.sh script to apply these changes and commit the updated lang/tables.gen.go file.

@oreflow oreflow merged commit d171b38 into bazelbuild:main Dec 9, 2025
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