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https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
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0f3901eda4
Adds a std::thread like API through a new pw_thread facade based on the STL's std::thread API, however with more restricted function entry routine format support and backend specific option support to permit non-portable configuration of thread settings/parameters including static context allocations. In addition this provides an initial set of backends based on using the STL's std::thread directly. Change-Id: Ib8c3cbdc434044e204e67e58d861a40e4acec9b4 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/30920 Reviewed-by: Wyatt Hepler <hepler@google.com> Reviewed-by: Keir Mierle <keir@google.com> Commit-Queue: Ewout van Bekkum <ewout@google.com>
213 lines
7.3 KiB
Plaintext
213 lines
7.3 KiB
Plaintext
# Copyright 2020 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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import("//build_overrides/pigweed.gni")
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import("$dir_pw_chrono/backend.gni")
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import("$dir_pw_protobuf_compiler/proto.gni")
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import("$dir_pw_rpc/system_server/backend.gni")
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import("$dir_pw_sync/backend.gni")
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import("$dir_pw_sys_io/backend.gni")
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import("$dir_pw_third_party/nanopb/nanopb.gni")
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import("$dir_pw_thread/backend.gni")
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import("$dir_pw_toolchain/host_clang/toolchains.gni")
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import("$dir_pw_toolchain/host_gcc/toolchains.gni")
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_host_common = {
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# Use logging-based test output on host.
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pw_unit_test_MAIN = "$dir_pw_unit_test:logging_main"
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# Configure backend for assert facade.
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pw_assert_BACKEND = "$dir_pw_assert_basic"
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# Configure backend for logging facade.
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pw_log_BACKEND = "$dir_pw_log_basic"
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# Configure backends for pw_sync's facades.
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pw_sync_SPIN_LOCK_BACKEND = "$dir_pw_sync_stl:spin_lock_backend"
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# Configure backend for pw_sys_io facade.
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pw_sys_io_BACKEND = "$dir_pw_sys_io_stdio"
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# Configure backend for pw_rpc_system_server.
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pw_rpc_system_server_BACKEND = "$dir_pigweed/targets/host:system_rpc_server"
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# Configure backend for trace facade.
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pw_trace_BACKEND = "$dir_pw_trace_tokenized"
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# Tokenizer trace time.
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pw_trace_tokenizer_time = "$dir_pw_trace_tokenized:host_trace_time"
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# Configure backend for pw_chrono's system_clock facade.
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pw_chrono_SYSTEM_CLOCK_BACKEND = "$dir_pw_chrono_stl:system_clock"
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# Specify builtin GN variables.
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current_os = host_os
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current_cpu = host_cpu
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}
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# Linux-specific target configuration.
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_linux_config = {
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pw_bloat_BLOATY_CONFIG = get_path_info("linux.bloaty", "abspath")
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pw_unit_test_AUTOMATIC_RUNNER = get_path_info("run_test", "abspath")
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}
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# macOS-specific target configuration.
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_mac_config = {
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pw_bloat_BLOATY_CONFIG = get_path_info("macos.bloaty", "abspath")
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pw_unit_test_AUTOMATIC_RUNNER = get_path_info("run_test", "abspath")
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}
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# Windows-specific target configuration.
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_win_config = {
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# This is here as bloaty_config_file cannot be an empty string or GN fails.
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# TODO(frolv): Add this file and enable size reports on Windows.
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pw_bloat_BLOATY_CONFIG = get_path_info("windows.bloaty", "abspath")
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pw_unit_test_AUTOMATIC_RUNNER = get_path_info("run_test.bat", "abspath")
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}
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# TODO(amontanez): figure out why std::mutex doesn't work on Windows.
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# These current target configurations do not work on windows.
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_win_incompatible_config = {
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# Configure backends for pw_sync's facades.
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pw_sync_BINARY_SEMAPHORE_BACKEND = "$dir_pw_sync_stl:binary_semaphore_backend"
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pw_sync_COUNTING_SEMAPHORE_BACKEND =
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"$dir_pw_sync_stl:counting_semaphore_backend"
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pw_sync_MUTEX_BACKEND = "$dir_pw_sync_stl:mutex_backend"
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# Configure backends for pw_thread's facades.
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pw_thread_ID_BACKEND = "$dir_pw_thread_stl:id"
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pw_thread_SLEEP_BACKEND = "$dir_pw_thread_stl:sleep"
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pw_thread_YIELD_BACKEND = "$dir_pw_thread_stl:yield"
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pw_thread_THREAD_BACKEND = "$dir_pw_thread_stl:thread"
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}
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_os_specific_config = {
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if (host_os == "linux") {
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forward_variables_from(_linux_config, "*")
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forward_variables_from(_win_incompatible_config, "*")
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} else if (host_os == "mac") {
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forward_variables_from(_mac_config, "*")
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forward_variables_from(_win_incompatible_config, "*")
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} else if (host_os == "win") {
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forward_variables_from(_win_config, "*")
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}
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}
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_target_default_configs = [ "$dir_pw_build:extra_strict_warnings" ]
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pw_target_toolchain_host = {
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_excluded_members = [
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"defaults",
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"name",
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]
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clang_debug = {
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name = "host_clang_debug"
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_toolchain_base = pw_toolchain_host_clang.debug
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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clang_speed_optimized = {
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name = "host_clang_speed_optimized"
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_toolchain_base = pw_toolchain_host_clang.speed_optimized
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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clang_size_optimized = {
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name = "host_clang_size_optimized"
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_toolchain_base = pw_toolchain_host_clang.size_optimized
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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clang_fuzz = {
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name = "host_clang_fuzz"
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_toolchain_base = pw_toolchain_host_clang.fuzz
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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gcc_debug = {
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name = "host_gcc_debug"
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_toolchain_base = pw_toolchain_host_gcc.debug
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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gcc_speed_optimized = {
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name = "host_gcc_speed_optimized"
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_toolchain_base = pw_toolchain_host_gcc.speed_optimized
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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gcc_size_optimized = {
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name = "host_gcc_size_optimized"
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_toolchain_base = pw_toolchain_host_gcc.size_optimized
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forward_variables_from(_toolchain_base, "*", _excluded_members)
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defaults = {
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forward_variables_from(_toolchain_base.defaults, "*")
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forward_variables_from(_host_common, "*")
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forward_variables_from(_os_specific_config, "*")
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default_configs += _target_default_configs
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}
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}
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}
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# This list just contains the members of the above scope for convenience to make
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# it trivial to generate all the toolchains in this file via a
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# `generate_toolchains` target.
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pw_target_toolchain_host_list = [
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pw_target_toolchain_host.clang_debug,
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pw_target_toolchain_host.clang_speed_optimized,
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pw_target_toolchain_host.clang_size_optimized,
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pw_target_toolchain_host.clang_fuzz,
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pw_target_toolchain_host.gcc_debug,
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pw_target_toolchain_host.gcc_speed_optimized,
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pw_target_toolchain_host.gcc_size_optimized,
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]
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