Rename build files from TARGETS to BUCK (group ID: 7455922743067832490) (#19426)

[bigfootjon]

Summary: Pull Request resolved: #19426

Reviewed By: bigfootjon

Differential Revision: D104414871

[pytorch-bot]

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❌ 8 New Failures

As of commit 488505e with merge base 93b764e ():

NEW FAILURES - The following jobs have failed:

• pull / unittest / macos / macos-job (gh)
  export/tests/test_target_recipes.py::TestTargetRecipes::test_resnet18_model
• trunk / test-models-macos-coreml (dl3) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos-coreml (mv2) / macos-job (gh)
  RuntimeError: operator torchvision::nms does not exist
• trunk / test-models-macos-coreml (mv3) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos-cpu (llama3_2_vision_encoder, portable) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos-cpu (mv3, portable) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / test-models-macos-cpu (resnet50, xnnpack-quantization-delegation) / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1
• trunk / unittest-release / macos / macos-job (gh)
  export/tests/test_target_recipes.py::TestTargetRecipes::test_mv2_model

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[meta-codesync]

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[Copilot]

Pull request overview

Migrates Arm backend Buck build definitions to use the fbcode_target wrapper macro, consistent with build-file migration from TARGETS-style definitions toward BUCK-named build files.

Changes:

• Add build_file_migration.bzl loads for fbcode_target/non_fbcode_target in two Arm BUCK files.
• Wrap existing runtime.python_library targets with fbcode_target(_kind = runtime.python_library, ...) without changing target attributes.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
backends/arm/operator_support/BUCK	Wraps the operator_support Python library target with fbcode_target for build-file migration compatibility.
backends/arm/debug/BUCK	Wraps the schema Python library target with fbcode_target for build-file migration compatibility.

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