| # Copyright 2021 The Pigweed Authors | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); you may not | 
 | # use this file except in compliance with the License. You may obtain a copy of | 
 | # the License at | 
 | # | 
 | #     https://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | 
 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | 
 | # License for the specific language governing permissions and limitations under | 
 | # the License. | 
 |  | 
 | package(default_visibility = ["//visibility:public"]) | 
 |  | 
 | label_flag( | 
 |     name = "pw_log_backend", | 
 |     build_setting_default = "@pigweed//pw_log:backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_assert_backend", | 
 |     build_setting_default = "@pigweed//pw_assert:backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_chrono_backend", | 
 |     build_setting_default = "@pigweed//pw_chrono:backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_sync_binary_semaphore_backend", | 
 |     build_setting_default = "@pigweed//pw_sync:binary_semaphore_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_sync_counting_semaphore_backend", | 
 |     build_setting_default = "@pigweed//pw_sync:counting_semaphore_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_sync_mutex_backend", | 
 |     build_setting_default = "@pigweed//pw_sync:mutex_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_sync_timed_mutex_backend", | 
 |     build_setting_default = "@pigweed//pw_sync:timed_mutex_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_sync_interrupt_spin_lock_backend", | 
 |     build_setting_default = "@pigweed//pw_sync:interrupt_spin_lock_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_interrupt_backend", | 
 |     build_setting_default = "@pigweed//pw_interrupt:backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_malloc_backend", | 
 |     build_setting_default = "@pigweed//pw_malloc:backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_thread_id_backend", | 
 |     build_setting_default = "@pigweed//pw_thread:id_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_thread_sleep_backend", | 
 |     build_setting_default = "@pigweed//pw_thread:sleep_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_thread_thread_backend", | 
 |     build_setting_default = "@pigweed//pw_thread:thread_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_thread_yield_backend", | 
 |     build_setting_default = "@pigweed//pw_thread:yield_backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_tokenizer_global_handler_backend", | 
 |     build_setting_default = "@pigweed//pw_tokenizer:test_backend", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_tokenizer_global_handler_with_payload_backend", | 
 |     build_setting_default = "@pigweed//pw_tokenizer:test_backend", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "pw_sys_io_backend", | 
 |     build_setting_default = "@pigweed//pw_sys_io:backend_multiplexer", | 
 | ) | 
 |  | 
 | label_flag( | 
 |     name = "target_rtos", | 
 |     build_setting_default = "@pigweed//pw_build/constraints/rtos:none", | 
 | ) |