.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.
#

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

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

# 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

# Don't automatically create __init__.py files.
#
# This prevents spurious package name collisions at import time, and should be
# the default (https://github.com/bazelbuild/bazel/issues/7386). It's
# particularly helpful for Pigweed, because we have many potential package name
# collisions due to a profusion of stuttering paths like
# pw_transfer/py/pw_transfer.
common --incompatible_default_to_explicit_init_py

# Required for new toolchain resolution API.
build --incompatible_enable_cc_toolchain_resolution

# Don't propagate flags or defines to the exec config. This will become the
# default one day (https://github.com/bazelbuild/bazel/issues/22457) and will
# improve cache hit rates between builds targeting different platforms.
common --experimental_exclude_defines_from_exec_config
common --experimental_exclude_starlark_flags_from_exec_config

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

# Also 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

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

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

# 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

# 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

build --@freertos//:freertos_config=//third_party/freertos:freertos_config
build --@mbedtls//:mbedtls_config=//third_party/mbedtls:default_config

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

# Define the --config=asan-libfuzzer configuration.
build:asan-libfuzzer \
    --@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing//fuzzing/engines:libfuzzer
build:asan-libfuzzer \
    --@rules_fuzzing//fuzzing:cc_engine_instrumentation=libfuzzer
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_sanitizer=asan

# Include FuzzTest build configurations.
try-import %workspace%/third_party/fuzztest/fuzztest.bazelrc
build:fuzztest \
    --//pw_fuzzer:fuzztest_backend=@com_google_fuzztest//fuzztest:fuzztest_core
build:fuzztest \
    --@pigweed//pw_unit_test:main=@com_google_fuzztest//fuzztest:fuzztest_gtest_main

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

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

# 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

# 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

# Config for all 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
# This should be moved to platform-based flags once 
# https://github.com/bazelbuild/bazel/issues/22453
# is fixed.
build:stm32f429i_freertos --copt="-DSTM32CUBE_HEADER=\"stm32f4xx.h\""
build:stm32f429i_freertos --copt="-DSTM32F429xx"


# 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

# 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//...

# Use the remote cache. This will only work for users who have permission to access it.
common:remote_cache --remote_cache=grpcs://remotebuildexecution.googleapis.com
common:remote_cache --google_default_credentials=true
common:remote_cache --remote_instance_name=projects/pigweed-rbe-open/instances/default-instance
common:remote_cache --remote_upload_local_results=false
common:remote_cache --bes_backend="buildeventservice.googleapis.com"
common:remote_cache --bes_timeout=60s
common:remote_cache --bes_results_url="https://source.cloud.google.com/results/invocations/"
common:remote_cache --remote_instance_name=projects/pigweed-rbe-open/instances/default-instance
common:remote_cache --bes_instance_name=pigweed-rbe-open

# 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

# 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
# Incompatible host platforms.
common:macos --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
common:windows --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
# Target build configurations for which @fuchsia_sdk is irrelevant and thus
# targets should be pruned to avoid fetching @fuchsia_sdk.
common:rp2350 --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
common:rp2040 --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
common:stm32f429i_baremetal --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
common:stm32f429i_freertos --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
common:lm3s6965evb --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...
common:microbit --deleted_packages=//pw_bluetooth_sapphire/fuchsia/...,//pw_async_fuchsia/...

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

# 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