gate fbcode-only TARGETS dirs with is_fbcode() and rename to BUCK

backends/cortex_m/TARGETS → backends/cortex_m/BUCK

@@ -4,11 +4,13 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target")
 load("@fbcode_macros//build_defs:python_library.bzl", "python_library")
 
 oncall("executorch")
 
-python_library(
+fbcode_target(
+    _kind = python_library,
     name = "quantizer_reporter",
     srcs = [
         "quantizer_reporter.py",
@@ -20,7 +22,8 @@ python_library(
     ],
 )
 
-python_library(
+fbcode_target(
+    _kind = python_library,
     name = "cmsis_nn",
     srcs = [
         "library/__init__.py",
@@ -31,7 +34,8 @@ python_library(
     ],
 )
 
-python_library(
+fbcode_target(
+    _kind = python_library,
     name = "target_config",
     srcs = [
         "target_config.py",

backends/cortex_m/quantizer/BUCK

@@ -0,0 +1,9 @@
+# Any targets that should be shared between fbcode and xplat must be defined in
+# targets.bzl.
+
+load("@fbsource//tools/build_defs:fbsource_utils.bzl", "is_fbcode")
+load(":targets.bzl", "define_common_targets")
+
+oncall("executorch")
+
+define_common_targets(is_fbcode = is_fbcode())

backends/cortex_m/quantizer/targets.bzl

@@ -0,0 +1,53 @@
+load("@fbcode_macros//build_defs:python_library.bzl", "python_library")
+
+def define_common_targets(is_fbcode = False):
+    if not is_fbcode:
+        return
+
+    # Copyright (c) Meta Platforms, Inc. and affiliates.
+    # All rights reserved.
+    #
+    # This source code is licensed under the BSD-style license found in the
+    # LICENSE file in the root directory of this source tree.
+
+
+
+    python_library(
+        name = "quantizer",
+        srcs = [
+            "__init__.py",
+            "node_finders.py",
+            "pattern_checkers.py",
+            "pattern_matcher.py",
+            "quantization_configs.py",
+            "quantizer.py",
+            "quantizer_support.py",
+        ],
+        deps = [
+            "//caffe2:torch",
+            "//executorch/backends/arm:common",
+            "//executorch/backends/arm:constants",
+            "//executorch/backends/arm/quantizer:arm_quantizer_utils",
+            "//executorch/backends/arm/quantizer:quantization_annotator",
+            "//executorch/backends/arm/quantizer:quantization_config",
+            "//executorch/backends/cortex_m:quantizer_reporter",
+            "//executorch/backends/cortex_m/passes:cortex_passes",
+            "//pytorch/ao:torchao",
+            "fbsource//third-party/pypi/tabulate:tabulate",
+        ],
+    )
+
+
+    python_library(
+        name = "quantization_configs",
+        srcs = [
+            "quantization_configs.py",
+        ],
+        deps = [
+            "//caffe2:torch",
+            "//executorch/backends/arm/quantizer:arm_quantizer_utils",
+            "//executorch/backends/arm/quantizer:quantization_config",
+            "//executorch/backends/cortex_m:quantizer_reporter",
+            "//pytorch/ao:torchao",
+        ],
+    )

backends/cortex_m/targets.bzl

@@ -0,0 +1,35 @@
+load("@fbcode_macros//build_defs:python_library.bzl", "python_library")
+
+def define_common_targets(is_fbcode = False):
+    if not is_fbcode:
+        return
+
+    # Copyright 2026 Arm Limited and/or its affiliates.
+    # All rights reserved.
+    #
+    # This source code is licensed under the BSD-style license found in the
+    # LICENSE file in the root directory of this source tree.
+
+
+
+    python_library(
+        name = "quantizer_reporter",
+        srcs = [
+            "quantizer_reporter.py",
+        ],
+        deps = [
+            "//caffe2:torch",
+            "//pytorch/ao:torchao",
+            "fbsource//third-party/pypi/tabulate:tabulate",
+        ],
+    )
+
+    python_library(
+        name = "target_config",
+        srcs = [
+            "target_config.py",
+        ],
+        deps = [
+            "fbsource//third-party/cmsis-nn:cmsis_nn_py",
+        ],
+    )

backends/example/BUCK

@@ -0,0 +1,9 @@
+# Any targets that should be shared between fbcode and xplat must be defined in
+# targets.bzl.
+
+load("@fbsource//tools/build_defs:fbsource_utils.bzl", "is_fbcode")
+load(":targets.bzl", "define_common_targets")
+
+oncall("executorch")
+
+define_common_targets(is_fbcode = is_fbcode())

backends/example/targets.bzl

@@ -0,0 +1,62 @@
+load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
+load("@fbcode_macros//build_defs:python_unittest.bzl", "python_unittest")
+
+def define_common_targets(is_fbcode = False):
+    if not is_fbcode:
+        return
+
+    runtime.python_library(
+        name = "example_quantizer",
+        srcs = [
+            "example_quantizer.py",
+        ],
+        deps = [
+            "//caffe2:torch",
+            "//executorch/backends/example/example_operators:example_operators_lib",
+            "//executorch/backends/xnnpack/quantizer:xnnpack_quantizer",
+        ],
+    )
+
+    runtime.python_library(
+        name = "example_backend",
+        srcs = [
+            "example_backend.py",
+        ],
+        deps = [
+            "//executorch/backends/example/example_backend_delegate_passes:lib",
+            "//executorch/exir/backend:backend_details",
+            "//executorch/exir/backend:compile_spec_schema",
+        ],
+    )
+
+    runtime.python_library(
+        name = "example_partitioner",
+        srcs = [
+            "example_partitioner.py",
+        ],
+        deps = [
+            ":example_backend",
+            "//caffe2:torch",
+            "//executorch/backends/example/example_operators:example_operators_lib",
+            "//executorch/exir:graph_module",
+            "//executorch/exir/backend:partitioner",
+            "//executorch/exir/backend/canonical_partitioners:canonical_partitioner_lib",
+            "//executorch/exir/dialects:lib",
+        ],
+    )
+
+    python_unittest(
+        name = "test_example_delegate",
+        srcs = [
+            "test_example_delegate.py",
+        ],
+        deps = [
+            ":example_partitioner",
+            ":example_quantizer",
+            "//caffe2:torch",
+            "//executorch/exir:delegate",
+            "//executorch/exir:lib",
+            "//executorch/exir/backend/canonical_partitioners:canonical_partitioner_lib",
+            "//pytorch/vision:torchvision",
+        ],
+    )

backends/vulkan/_passes/BUCK

@@ -0,0 +1,9 @@
+# Any targets that should be shared between fbcode and xplat must be defined in
+# targets.bzl.
+
+load("@fbsource//tools/build_defs:fbsource_utils.bzl", "is_fbcode")
+load(":targets.bzl", "define_common_targets")
+
+oncall("executorch")
+
+define_common_targets(is_fbcode = is_fbcode())