build/bazel/templates/template.bazelrc - fuchsia - Git at Google

 # Copyright 2022 The Fuchsia Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.

 # AUTO-GENERATED - DO NOT EDIT!

 # Ensure local build actions never inherit the user's LD_LIBRARY_PATH
 # to improve hermeticity and caching.
 build --incompatible_strict_action_env=true

 # Do not create runfiles symlink forests for external repositories
 # under .runfiles/_main/external/repo in addition to .runfiles/repo.
 #
 # This is the default behavior in Bazel 8.0 but not in Bazel 7.x,
 # though `bazel test` implicitly disables the behavior since  Bazel 7.1
 build --legacy_external_runfiles=false

 # Specify the default platforms.
 # The target platform is always set by the configuration specified via `--config`. To ensure there
 # are no situations where this is not the case, set the default platform to a nonexistent label,
 # which would cause an error rather than silently use the Bazel default.
 common --platforms=PLATFORM_SHOULD_BE_SPECIFIED_VIA_THE_CONFIG
 # TODO(https://fxbug.dev/520546777): Remove this once `compdb_for_labels()` specifies the platform.
 info --platforms=//build/bazel/platforms:default
 build --host_platform=//build/bazel/platforms:host

 # Note: Log file locations are now configured per-invocation in
 # the generated invocation.bazelrc (see //build/bazel/wrapper.bazel.sh).

 # Need the following to ensure the execution.log is actually uploaded to the RBE CAS.
 # Do not use =all, because that will attempt to upload locally built targets to CAS.
 common:exec_log --remote_build_event_upload=minimal
 # go/slipstream-bazel: detailed performance analysis and visualization
 common:exec_log --experimental_execution_graph_log_dep_type=all
 common:exec_log --experimental_enable_execution_graph_log

 # Prevent repository downloads with custom downloader config file.
 common --downloader_config=build/bazel/config/no_downloads_allowed.config
 common --vendor_dir=third_party/bazel_vendor
 common --registry=file://%workspace%/third_party/bazel_vendor/_registries/bcr.bazel.build

 # Disable verbose Bazel output with --config=quiet
 # Note that --show_result=0 is not supported by `bazel query`.
 common:quiet --noshow_loading_progress
 common:quiet --noshow_progress
 common:quiet --ui_event_filters=-info
 build:quiet --show_result=0

 # Enable verbose Bazel output with --config=verbose.
 common:verbose --ui_event_filters=+info
 common:verbose --show_loading_progress
 common:verbose --show_progress
 build:verbose --show_result=1

 # Ensure outputs are writable (umask 0755) instead of readonly (0555),
 # which prevent removing output directories with `rm -rf`.
 # See https://fxbug.dev/42072059
 build --experimental_writable_outputs

 # Ensure the embedded JDK that comes with Bazel is always used
 # This prevents Bazel from downloading extra host JDKs from the
 # network, even when a project never uses Java-related  rules
 # (for some still-very-mysterious reasons!)
 build --java_runtime_version=embedded_jdk
 build --tool_java_runtime_version=embedded_jdk

 # Profiling network usage can help find unexpected uploading/downloading by RBE, BES, etc.
 # As of Bazel 8, this will be enabled by default.
 build --experimental_collect_system_network_usage

 # Use --config=no_gn_targets to ensure that the @gn_targets repository is empty.
 # Bazel targets built with this option cannot depend on GN target outputs at all,
 # very intentionally.
 common:no_gn_targets \
   --override_repository=gn_targets=build/bazel/local_repositories/empty_gn_targets

 # Globally assert no forbidden dependencies.
 # To specify the no-dep dependencies, use tag `assert_no_deps=<label>`:
 #
 #   some_target(
 #     ...
 #     tags = ["assert_no_deps=//some/label", ...],
 #   )
 #
 # See //build/bazel/aspects/tests/assert_no_deps_test.bzl for example usage.
 build --aspects=//build/bazel/aspects:assert_no_deps.bzl%assert_no_deps_aspect

 # Enable clippy for Rust targets specified on the build line.
 # See https://bazelbuild.github.io/rules_rust/rust_clippy.html.
 build --aspects=@rules_rust//rust:defs.bzl%rust_clippy_aspect
 build --output_groups=+clippy_checks
 # Fail on warnings to match the current implementation in the GN build.
 build --@rules_rust//rust/settings:clippy_flag=-Dwarnings

 # Restore the repository rule behavior of adding an implicit watch() for
 # any Label value passed to repository_ctx.path(), as this is heavily used
 # by @rules_fuchsia and our own custom repository rules to ensure proper
 # tracking. The alternative is to use repository_ctx.watch() and repository.watch_tree()
 # explicitly instead. See https://fxbug.dev/461759428.
 common --incompatible_no_implicit_watch_label=false

 # Pass local developer overrides for assembly to Bazel
 # For now, this needs to set the label_flag() in both @rules_fuchsia
 # and @fuchsia_sdk to ensure that all fuchsia_product() definitions
 # correctly support this feature. The @fuchsia_sdk one may be
 # removed when the fuchsia.git and vendor/*.git repositories no
 # longer include rules from @fuchsia_sdk.
 common --@rules_fuchsia//fuchsia:assembly_developer_overrides_list=@assembly_developer_overrides//:in-tree_developer_overrides_list

 # Set the release repository for assembly config artifacts to "fuchsia".
 # This is necessary so MOS knows where a given assembly artifact came from.
 common --@rules_fuchsia//fuchsia/flags:fuchsia_release_repository="fuchsia"

 # Set the xattr written by the RBE remote wrapper, which can be read by bazel to reduce the time
 # spent calculating hashes of inputs.
 startup --unix_digest_hash_attribute_name="user.fuchsia.bazel.digest.sha256"

 # Ensure that linked binaries are never stripped. See //build/bazel/debug_symbols/README.md for context.
 # Also ensure that Go binaries always contain debug symbols, even in non-dbg compilation mode.
 # LINT.IfChange(debug_symbols)
 common --strip=never
 common --@io_bazel_rules_go//go/config:debug=True
 # LINT.ThenChange(//build/bazel/debug_symbols/README.md)

 # Explicitly disable PIE to avoid `recompile with -fPIC` linking errors.
 # See https://fxbug.dev/489925970 for details.
 build --@io_bazel_rules_go//go/config:gc_linkopts="-extldflags,-no-pie"

 # Explicitly enable pure mode and disable CGO by default, for build consistency
 # across different build environments (e.g. differnt system libc).
 #
 # For Go targets that needs CGO, they should enable it explicitly and provide
 # Fuchsia's prebuilt sysroot if necessary.
 #
 # See https://fxbug.dev/489925970 for details.
 build --@io_bazel_rules_go//go/config:pure=True

 # Do not propagate Starlark flags to the exec config. This will be the default
 # behavior in Bazel 10 (https://github.com/bazelbuild/bazel/issues/26909).
 # Among other things, it avoids building host tools for each API level.
 # TODO(https://fxbug.dev/478896548): When migraating to Bazel 9, this will need
 # to be changed to `--incompatible_exclude_starlark_flags_from_exec_config`.
 common --experimental_exclude_starlark_flags_from_exec_config

 # Do not propagate defines to the exec config by default.
 # Explicitly propagate `EXECUTOR`, which is used in remote builds.
 common --experimental_exclude_defines_from_exec_config
 common --experimental_propagate_custom_flag=EXECUTOR

 # Name subdirectories of `bazel-out/` based on the associated platform.
 # For example, use `fuchsia_x64-opt` instead of `k8-opt`.
 # This also separates x64 `--config=fuchsia_platform` output from
 # `--config=host` because they no longer both use `k8-opt`.
 #
 # Warning: This can cause conflicts in C++ compile actions when using
 # `@local_config_platform//:host` - see
 # https://github.com/bazelbuild/bazel/issues/26228.
 common --experimental_platform_in_output_dir=True

 # Enable dynamic linking of C++ stdlib for drivers in-tree.
 common --@rules_fuchsia//fuchsia/flags:dynamic_cpp_standard_library_for_drivers=True

 # Turn off build-time venv generation to avoid creating dangling symlinks in bazel-out.
 # Without this, host_py_test targets would fail with `No such file or directory` when invoking the
 # interpreter. See https://fxbug.dev/527829442 for details.
 build --@rules_python//python/config_settings:venvs_use_declare_symlink=no
	# Copyright 2022 The Fuchsia Authors. All rights reserved.
	# Use of this source code is governed by a BSD-style license that can be
	# found in the LICENSE file.

	# AUTO-GENERATED - DO NOT EDIT!

	# Ensure local build actions never inherit the user's LD_LIBRARY_PATH
	# to improve hermeticity and caching.
	build --incompatible_strict_action_env=true

	# Do not create runfiles symlink forests for external repositories
	# under .runfiles/_main/external/repo in addition to .runfiles/repo.
	#
	# This is the default behavior in Bazel 8.0 but not in Bazel 7.x,
	# though `bazel test` implicitly disables the behavior since Bazel 7.1
	build --legacy_external_runfiles=false

	# Specify the default platforms.
	# The target platform is always set by the configuration specified via `--config`. To ensure there
	# are no situations where this is not the case, set the default platform to a nonexistent label,
	# which would cause an error rather than silently use the Bazel default.
	common --platforms=PLATFORM_SHOULD_BE_SPECIFIED_VIA_THE_CONFIG
	# TODO(https://fxbug.dev/520546777): Remove this once `compdb_for_labels()` specifies the platform.
	info --platforms=//build/bazel/platforms:default
	build --host_platform=//build/bazel/platforms:host

	# Note: Log file locations are now configured per-invocation in
	# the generated invocation.bazelrc (see //build/bazel/wrapper.bazel.sh).

	# Need the following to ensure the execution.log is actually uploaded to the RBE CAS.
	# Do not use =all, because that will attempt to upload locally built targets to CAS.
	common:exec_log --remote_build_event_upload=minimal
	# go/slipstream-bazel: detailed performance analysis and visualization
	common:exec_log --experimental_execution_graph_log_dep_type=all
	common:exec_log --experimental_enable_execution_graph_log

	# Prevent repository downloads with custom downloader config file.
	common --downloader_config=build/bazel/config/no_downloads_allowed.config
	common --vendor_dir=third_party/bazel_vendor
	common --registry=file://%workspace%/third_party/bazel_vendor/_registries/bcr.bazel.build

	# Disable verbose Bazel output with --config=quiet
	# Note that --show_result=0 is not supported by `bazel query`.
	common:quiet --noshow_loading_progress
	common:quiet --noshow_progress
	common:quiet --ui_event_filters=-info
	build:quiet --show_result=0

	# Enable verbose Bazel output with --config=verbose.
	common:verbose --ui_event_filters=+info
	common:verbose --show_loading_progress
	common:verbose --show_progress
	build:verbose --show_result=1

	# Ensure outputs are writable (umask 0755) instead of readonly (0555),
	# which prevent removing output directories with `rm -rf`.
	# See https://fxbug.dev/42072059
	build --experimental_writable_outputs

	# Ensure the embedded JDK that comes with Bazel is always used
	# This prevents Bazel from downloading extra host JDKs from the
	# network, even when a project never uses Java-related rules
	# (for some still-very-mysterious reasons!)
	build --java_runtime_version=embedded_jdk
	build --tool_java_runtime_version=embedded_jdk

	# Profiling network usage can help find unexpected uploading/downloading by RBE, BES, etc.
	# As of Bazel 8, this will be enabled by default.
	build --experimental_collect_system_network_usage

	# Use --config=no_gn_targets to ensure that the @gn_targets repository is empty.
	# Bazel targets built with this option cannot depend on GN target outputs at all,
	# very intentionally.
	common:no_gn_targets \
	--override_repository=gn_targets=build/bazel/local_repositories/empty_gn_targets

	# Globally assert no forbidden dependencies.
	# To specify the no-dep dependencies, use tag `assert_no_deps=<label>`:
	#
	# some_target(
	# ...
	# tags = ["assert_no_deps=//some/label", ...],
	# )
	#
	# See //build/bazel/aspects/tests/assert_no_deps_test.bzl for example usage.
	build --aspects=//build/bazel/aspects:assert_no_deps.bzl%assert_no_deps_aspect

	# Enable clippy for Rust targets specified on the build line.
	# See https://bazelbuild.github.io/rules_rust/rust_clippy.html.
	build --aspects=@rules_rust//rust:defs.bzl%rust_clippy_aspect
	build --output_groups=+clippy_checks
	# Fail on warnings to match the current implementation in the GN build.
	build --@rules_rust//rust/settings:clippy_flag=-Dwarnings

	# Restore the repository rule behavior of adding an implicit watch() for
	# any Label value passed to repository_ctx.path(), as this is heavily used
	# by @rules_fuchsia and our own custom repository rules to ensure proper
	# tracking. The alternative is to use repository_ctx.watch() and repository.watch_tree()
	# explicitly instead. See https://fxbug.dev/461759428.
	common --incompatible_no_implicit_watch_label=false

	# Pass local developer overrides for assembly to Bazel
	# For now, this needs to set the label_flag() in both @rules_fuchsia
	# and @fuchsia_sdk to ensure that all fuchsia_product() definitions
	# correctly support this feature. The @fuchsia_sdk one may be
	# removed when the fuchsia.git and vendor/*.git repositories no
	# longer include rules from @fuchsia_sdk.
	common --@rules_fuchsia//fuchsia:assembly_developer_overrides_list=@assembly_developer_overrides//:in-tree_developer_overrides_list

	# Set the release repository for assembly config artifacts to "fuchsia".
	# This is necessary so MOS knows where a given assembly artifact came from.
	common --@rules_fuchsia//fuchsia/flags:fuchsia_release_repository="fuchsia"

	# Set the xattr written by the RBE remote wrapper, which can be read by bazel to reduce the time
	# spent calculating hashes of inputs.
	startup --unix_digest_hash_attribute_name="user.fuchsia.bazel.digest.sha256"

	# Ensure that linked binaries are never stripped. See //build/bazel/debug_symbols/README.md for context.
	# Also ensure that Go binaries always contain debug symbols, even in non-dbg compilation mode.
	# LINT.IfChange(debug_symbols)
	common --strip=never
	common --@io_bazel_rules_go//go/config:debug=True
	# LINT.ThenChange(//build/bazel/debug_symbols/README.md)

	# Explicitly disable PIE to avoid `recompile with -fPIC` linking errors.
	# See https://fxbug.dev/489925970 for details.
	build --@io_bazel_rules_go//go/config:gc_linkopts="-extldflags,-no-pie"

	# Explicitly enable pure mode and disable CGO by default, for build consistency
	# across different build environments (e.g. differnt system libc).
	#
	# For Go targets that needs CGO, they should enable it explicitly and provide
	# Fuchsia's prebuilt sysroot if necessary.
	#
	# See https://fxbug.dev/489925970 for details.
	build --@io_bazel_rules_go//go/config:pure=True

	# Do not propagate Starlark flags to the exec config. This will be the default
	# behavior in Bazel 10 (https://github.com/bazelbuild/bazel/issues/26909).
	# Among other things, it avoids building host tools for each API level.
	# TODO(https://fxbug.dev/478896548): When migraating to Bazel 9, this will need
	# to be changed to `--incompatible_exclude_starlark_flags_from_exec_config`.
	common --experimental_exclude_starlark_flags_from_exec_config

	# Do not propagate defines to the exec config by default.
	# Explicitly propagate `EXECUTOR`, which is used in remote builds.
	common --experimental_exclude_defines_from_exec_config
	common --experimental_propagate_custom_flag=EXECUTOR

	# Name subdirectories of `bazel-out/` based on the associated platform.
	# For example, use `fuchsia_x64-opt` instead of `k8-opt`.
	# This also separates x64 `--config=fuchsia_platform` output from
	# `--config=host` because they no longer both use `k8-opt`.
	#
	# Warning: This can cause conflicts in C++ compile actions when using
	# `@local_config_platform//:host` - see
	# https://github.com/bazelbuild/bazel/issues/26228.
	common --experimental_platform_in_output_dir=True

	# Enable dynamic linking of C++ stdlib for drivers in-tree.
	common --@rules_fuchsia//fuchsia/flags:dynamic_cpp_standard_library_for_drivers=True

	# Turn off build-time venv generation to avoid creating dangling symlinks in bazel-out.
	# Without this, host_py_test targets would fail with `No such file or directory` when invoking the
	# interpreter. See https://fxbug.dev/527829442 for details.
	build --@rules_python//python/config_settings:venvs_use_declare_symlink=no