.bazelrc - third_party/pigweed.googlesource.com/pigweed/pigweed - Git at Google

 # 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.
 #

 # Standard flags required for all Pigweed projects.
 import %workspace%/pw_build/pigweed.bazelrc

 # UX flags
 # ========
 # Improve debugability by printing all arguments for failing commands.
 common --verbose_failures

 # Suppress the DEBUG: log messages from bazel. We get lots of spammy DEBUG:
 # messages from our third-party dependencies.
 build --ui_event_filters=-debug

 # Specifies desired output mode for running tests.
 # Valid values are
 #   'summary' to output only test status summary
 #   'errors' to also print test logs for failed tests
 #   'all' to print logs for all tests
 #   'streamed' to output logs for all tests in real time
 #     (this will force tests to be executed locally one at a time regardless
 #     of --test_strategy value).
 test --test_output=errors

 # Default build_tag_filters and test_tag_filters
 # ==============================================
 # Skip building any targets tagged do_not_build.
 build --build_tag_filters=-do_not_build

 # Exclude integration tests from the default build. The test_tag_filters flag
 # doesn't accumulate (https://github.com/bazelbuild/bazel/issues/7322): we have
 # to specify it only once, setting all the exclusions in a comma-separated
 # list.
 test --test_tag_filters=-integration,-do_not_build,-do_not_run_test

 # C++ related flags
 # =================
 # Do not strip debug symbols by default.
 common --strip=never

 # Silence all C/C++ warnings in external code.
 #
 # Note that this will not silence warnings from external headers #include'd in
 # first-party code.
 common --per_file_copt=external/.*@-w
 common --host_per_file_copt=external/.*@-w

 # Picotool needs to build with exceptions and RTTI enabled.
 common --per_file_copt=external.*picotool.*@-fexceptions,-frtti
 common --host_per_file_copt=external.*picotool.*@-fexceptions,-frtti

 # RP2xxx PIO assembler also needs exceptions.
 common --host_per_file_copt=external.*pioasm.*@-fexceptions,-frtti

 # Default to C++17 to ensure compatibility.
 common --//pw_toolchain/cc:cxx_standard=17
 common:cxx20 --//pw_toolchain/cc:cxx_standard=20

 # Silence compiler warnings from external repositories.
 #
 # TODO: https://pwbug.dev/347317581 - This is supported by Bazel's default C++
 # toolchain, but not yet by Pigweed's own toolchains.
 build --features=external_include_paths

 # Turn on internal warnings for upstream Pigweed. DO NOT enable in downstream
 # projects to allow for warnings to be added in the future without breaking
 # downstream.
 #
 build --features=internal_strict_warnings

 # This feature can't be enabled until __unordtf2 and __letf2 are implemented by
 # compiler-rt. See https://reviews.llvm.org/D53608.
 # build --features=fully_static_link

 # Required for combined code coverage reports.
 coverage --experimental_generate_llvm_lcov
 coverage --combined_report=lcov

 # Java related flags
 # ==================
 # Workaround for https://github.com/bazelbuild/rules_jvm_external/issues/445.
 build --java_language_version=11
 build --tool_java_language_version=11
 build --java_runtime_version=remotejdk_11
 build --repo_env=JAVA_HOME=../bazel_tools/jdk

 # Default label flags values
 # ==========================
 build --@freertos//:freertos_config=//third_party/freertos:freertos_config
 build --@mbedtls//:mbedtls_config=//third_party/mbedtls:default_config

 # We use non-default labels for the STM32Cube repositories upstream (to reserve
 # the option of building for more than one MCU family down the road), so need to
 # override the three labels below.
 common --//third_party/stm32cube:hal_driver=@stm32f4xx_hal_driver//:hal_driver
 common --@stm32f4xx_hal_driver//:cmsis_device=@cmsis_device_f4//:cmsis_device
 common --@stm32f4xx_hal_driver//:cmsis_init=@cmsis_device_f4//:default_cmsis_init
 common --@cmsis_device_f4//:cmsis_core=@cmsis_core

 common --//pw_env_setup/py:pigweed_json=//:pigweed.json

 build --//pw_function:config_override=//pw_function:upstream_default_config

 # Sanitizer config definitions
 # ============================
 common:asan --//pw_toolchain/host_clang:asan
 # TODO: https://github.com/bazelbuild/bazel/issues/7322 - We need to repeat the
 # -integration because the test_tag_filters flag does not
 # accumulate.
 test:asan --test_tag_filters=-integration,-noasan,-do_not_build,-do_not_run_test

 common:ubsan --//pw_toolchain/host_clang:ubsan
 # TODO: https://github.com/bazelbuild/bazel/issues/7322 - We need to repeat the
 # -integration because the test_tag_filters flag does not accumulate.
 test:ubsan --test_tag_filters=-integration,-noubsan,-do_not_build,-do_not_run_test

 common:tsan --//pw_toolchain/host_clang:tsan
 # TODO: https://github.com/bazelbuild/bazel/issues/7322 - We need to repeat the
 # -integration because the test_tag_filters flag does not accumulate.
 test:tsan --test_tag_filters=-integration,-notsan,-do_not_build,-do_not_run_test

 # Include libFuzzer build configurations.
 import %workspace%/pw_fuzzer/libfuzzer.bazelrc

 # Include FuzzTest build configurations.
 import %workspace%/pw_fuzzer/fuzztest.bazelrc

 # For some platforms i.e. google/oss-fuzz we need to use the system provided
 # rather than the hermetic toolchains. This allows oss-fuzz to override the
 # build with specialised compilers that are tightly coupled to the fuzzing
 # runtimes.
 # Detect toolchains
 common:non_hermetic --repo_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=0
 common:non_hermetic --extra_toolchains=@local_config_cc_toolchains//...

 # Configure workspace status command to test pw_build_info git_build_info
 # https://bazel.build/docs/user-manual#workspace-status-command
 # TODO: b/348046338 - Add a Windows version of this command
 build --workspace_status_command=pw_build_info/git_workspace_status_command.sh

 # Target platform config definitions
 # ==================================
 # Exclude //pw_bluetooth_sapphire/fuchsia when the host platform is not
 # linux-amd64. This is the only platform that the Fuchsia SDK supports.
 common --enable_platform_specific_config

 # Import `--config=fuchsia` scoped pigweed backends.
 import %workspace%/pw_bluetooth_sapphire/fuchsia/backends.bazelrc

 # Configs for RP2xxx platforms.
 build:rp2040 --platforms=@pigweed//targets/rp2040
 test:rp2040 --run_under=//targets/rp2040/py:unit_test_client

 build:rp2350 --platforms=@pigweed//targets/rp2040:rp2350
 test:rp2350 --run_under=//targets/rp2040/py:unit_test_client

 # Config for the stm32f429i_disc1 baremetal platform.
 build:stm32f429i_baremetal --platforms=//targets/stm32f429i_disc1:platform

 # Config for the stm32f429i_disc1_stm32cube freertos platform.
 build:stm32f429i_freertos --platforms=//targets/stm32f429i_disc1_stm32cube:platform

 # Config for the lm3s6965evb platform, used to build pw_rust/examples.
 build:lm3s6965evb --platforms=//pw_build/platforms:lm3s6965evb

 # Config for the microbit platform, used to build pw_rust/examples.
 build:microbit --platforms=//pw_build/platforms:lm3s6965evb

 # Remote execution config definitions
 # ===================================
 # Use the remote cache. This will only work for users who have permission to access it.
 common:remote_cache --bes_backend="buildeventservice.googleapis.com"
 common:remote_cache --bes_instance_name=pigweed-rbe-open
 common:remote_cache --bes_results_url="https://source.cloud.google.com/results/invocations/"
 common:remote_cache --bes_timeout=600s
 common:remote_cache --experimental_remote_cache_eviction_retries=5
 common:remote_cache --google_default_credentials=true
 # Required to use buildeventservice on Bazel 8+.
 # TODO: b/345556899 -- Remove this flag when no longer required.
 common:remote_cache --legacy_important_outputs
 common:remote_cache --remote_cache=grpcs://remotebuildexecution.googleapis.com
 common:remote_cache --remote_instance_name=projects/pigweed-rbe-open/instances/default-instance
 common:remote_cache --remote_upload_local_results=false

 # cache-silo-key: this is essentially a "salt" added to the remote cache key.
 # Change it to a new value when we want to create a new cache from scratch
 # (e.g. to recover from cache poisoning). We've used the current date in
 # YYYYMMDD format in the past.
 common --remote_default_exec_properties=cache-silo-key=20240918

 # User bazelrc file
 # =================
 # See https://bazel.build/configure/best-practices#bazelrc-file
 #
 # Note: this should be at the bottom of the file, so that user-specified
 # options override anything in this file
 # (https://bazel.build/run/bazelrc#imports)
 try-import %workspace%/user.bazelrc
	# 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.
	#

	# Standard flags required for all Pigweed projects.
	import %workspace%/pw_build/pigweed.bazelrc

	# UX flags
	# ========
	# Improve debugability by printing all arguments for failing commands.
	common --verbose_failures

	# Suppress the DEBUG: log messages from bazel. We get lots of spammy DEBUG:
	# messages from our third-party dependencies.
	build --ui_event_filters=-debug

	# Specifies desired output mode for running tests.
	# Valid values are
	# 'summary' to output only test status summary
	# 'errors' to also print test logs for failed tests
	# 'all' to print logs for all tests
	# 'streamed' to output logs for all tests in real time
	# (this will force tests to be executed locally one at a time regardless
	# of --test_strategy value).
	test --test_output=errors

	# Default build_tag_filters and test_tag_filters
	# ==============================================
	# Skip building any targets tagged do_not_build.
	build --build_tag_filters=-do_not_build

	# Exclude integration tests from the default build. The test_tag_filters flag
	# doesn't accumulate (https://github.com/bazelbuild/bazel/issues/7322): we have
	# to specify it only once, setting all the exclusions in a comma-separated
	# list.
	test --test_tag_filters=-integration,-do_not_build,-do_not_run_test

	# C++ related flags
	# =================
	# Do not strip debug symbols by default.
	common --strip=never

	# Silence all C/C++ warnings in external code.
	#
	# Note that this will not silence warnings from external headers #include'd in
	# first-party code.
	common --per_file_copt=external/.*@-w
	common --host_per_file_copt=external/.*@-w

	# Picotool needs to build with exceptions and RTTI enabled.
	common --per_file_copt=external.picotool.@-fexceptions,-frtti
	common --host_per_file_copt=external.picotool.@-fexceptions,-frtti

	# RP2xxx PIO assembler also needs exceptions.
	common --host_per_file_copt=external.pioasm.@-fexceptions,-frtti

	# Default to C++17 to ensure compatibility.
	common --//pw_toolchain/cc:cxx_standard=17
	common:cxx20 --//pw_toolchain/cc:cxx_standard=20

	# Silence compiler warnings from external repositories.
	#
	# TODO: https://pwbug.dev/347317581 - This is supported by Bazel's default C++
	# toolchain, but not yet by Pigweed's own toolchains.
	build --features=external_include_paths

	# Turn on internal warnings for upstream Pigweed. DO NOT enable in downstream
	# projects to allow for warnings to be added in the future without breaking
	# downstream.
	#
	build --features=internal_strict_warnings

	# This feature can't be enabled until __unordtf2 and __letf2 are implemented by
	# compiler-rt. See https://reviews.llvm.org/D53608.
	# build --features=fully_static_link

	# Required for combined code coverage reports.
	coverage --experimental_generate_llvm_lcov
	coverage --combined_report=lcov

	# Java related flags
	# ==================
	# Workaround for https://github.com/bazelbuild/rules_jvm_external/issues/445.
	build --java_language_version=11
	build --tool_java_language_version=11
	build --java_runtime_version=remotejdk_11
	build --repo_env=JAVA_HOME=../bazel_tools/jdk

	# Default label flags values
	# ==========================
	build --@freertos//:freertos_config=//third_party/freertos:freertos_config
	build --@mbedtls//:mbedtls_config=//third_party/mbedtls:default_config

	# We use non-default labels for the STM32Cube repositories upstream (to reserve
	# the option of building for more than one MCU family down the road), so need to
	# override the three labels below.
	common --//third_party/stm32cube:hal_driver=@stm32f4xx_hal_driver//:hal_driver
	common --@stm32f4xx_hal_driver//:cmsis_device=@cmsis_device_f4//:cmsis_device
	common --@stm32f4xx_hal_driver//:cmsis_init=@cmsis_device_f4//:default_cmsis_init
	common --@cmsis_device_f4//:cmsis_core=@cmsis_core

	common --//pw_env_setup/py:pigweed_json=//:pigweed.json

	build --//pw_function:config_override=//pw_function:upstream_default_config

	# Sanitizer config definitions
	# ============================
	common:asan --//pw_toolchain/host_clang:asan
	# TODO: https://github.com/bazelbuild/bazel/issues/7322 - We need to repeat the
	# -integration because the test_tag_filters flag does not
	# accumulate.
	test:asan --test_tag_filters=-integration,-noasan,-do_not_build,-do_not_run_test

	common:ubsan --//pw_toolchain/host_clang:ubsan
	# TODO: https://github.com/bazelbuild/bazel/issues/7322 - We need to repeat the
	# -integration because the test_tag_filters flag does not accumulate.
	test:ubsan --test_tag_filters=-integration,-noubsan,-do_not_build,-do_not_run_test

	common:tsan --//pw_toolchain/host_clang:tsan
	# TODO: https://github.com/bazelbuild/bazel/issues/7322 - We need to repeat the
	# -integration because the test_tag_filters flag does not accumulate.
	test:tsan --test_tag_filters=-integration,-notsan,-do_not_build,-do_not_run_test

	# Include libFuzzer build configurations.
	import %workspace%/pw_fuzzer/libfuzzer.bazelrc

	# Include FuzzTest build configurations.
	import %workspace%/pw_fuzzer/fuzztest.bazelrc

	# For some platforms i.e. google/oss-fuzz we need to use the system provided
	# rather than the hermetic toolchains. This allows oss-fuzz to override the
	# build with specialised compilers that are tightly coupled to the fuzzing
	# runtimes.
	# Detect toolchains
	common:non_hermetic --repo_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=0
	common:non_hermetic --extra_toolchains=@local_config_cc_toolchains//...

	# Configure workspace status command to test pw_build_info git_build_info
	# https://bazel.build/docs/user-manual#workspace-status-command
	# TODO: b/348046338 - Add a Windows version of this command
	build --workspace_status_command=pw_build_info/git_workspace_status_command.sh

	# Target platform config definitions
	# ==================================
	# Exclude //pw_bluetooth_sapphire/fuchsia when the host platform is not
	# linux-amd64. This is the only platform that the Fuchsia SDK supports.
	common --enable_platform_specific_config

	# Import `--config=fuchsia` scoped pigweed backends.
	import %workspace%/pw_bluetooth_sapphire/fuchsia/backends.bazelrc

	# Configs for RP2xxx platforms.
	build:rp2040 --platforms=@pigweed//targets/rp2040
	test:rp2040 --run_under=//targets/rp2040/py:unit_test_client

	build:rp2350 --platforms=@pigweed//targets/rp2040:rp2350
	test:rp2350 --run_under=//targets/rp2040/py:unit_test_client

	# Config for the stm32f429i_disc1 baremetal platform.
	build:stm32f429i_baremetal --platforms=//targets/stm32f429i_disc1:platform

	# Config for the stm32f429i_disc1_stm32cube freertos platform.
	build:stm32f429i_freertos --platforms=//targets/stm32f429i_disc1_stm32cube:platform

	# Config for the lm3s6965evb platform, used to build pw_rust/examples.
	build:lm3s6965evb --platforms=//pw_build/platforms:lm3s6965evb

	# Config for the microbit platform, used to build pw_rust/examples.
	build:microbit --platforms=//pw_build/platforms:lm3s6965evb

	# Remote execution config definitions
	# ===================================
	# Use the remote cache. This will only work for users who have permission to access it.
	common:remote_cache --bes_backend="buildeventservice.googleapis.com"
	common:remote_cache --bes_instance_name=pigweed-rbe-open
	common:remote_cache --bes_results_url="https://source.cloud.google.com/results/invocations/"
	common:remote_cache --bes_timeout=600s
	common:remote_cache --experimental_remote_cache_eviction_retries=5
	common:remote_cache --google_default_credentials=true
	# Required to use buildeventservice on Bazel 8+.
	# TODO: b/345556899 -- Remove this flag when no longer required.
	common:remote_cache --legacy_important_outputs
	common:remote_cache --remote_cache=grpcs://remotebuildexecution.googleapis.com
	common:remote_cache --remote_instance_name=projects/pigweed-rbe-open/instances/default-instance
	common:remote_cache --remote_upload_local_results=false

	# cache-silo-key: this is essentially a "salt" added to the remote cache key.
	# Change it to a new value when we want to create a new cache from scratch
	# (e.g. to recover from cache poisoning). We've used the current date in
	# YYYYMMDD format in the past.
	common --remote_default_exec_properties=cache-silo-key=20240918

	# User bazelrc file
	# =================
	# See https://bazel.build/configure/best-practices#bazelrc-file
	#
	# Note: this should be at the bottom of the file, so that user-specified
	# options override anything in this file
	# (https://bazel.build/run/bazelrc#imports)
	try-import %workspace%/user.bazelrc