1# Copyright 2024 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14 15# Standard Bazel configuration flags required for all Pigweed projects. 16 17# Don't automatically create __init__.py files. 18# 19# This prevents spurious package name collisions at import time, and should be 20# the default (https://github.com/bazelbuild/bazel/issues/7386). It's 21# particularly helpful for Pigweed, because we have many potential package name 22# collisions due to a profusion of stuttering paths like 23# pw_transfer/py/pw_transfer. 24common --incompatible_default_to_explicit_init_py 25 26# Required for new toolchain resolution API. 27build --incompatible_enable_cc_toolchain_resolution 28 29# Do not attempt to configure an autodetected (local) toolchain. We vendor all 30# our toolchains, and CI VMs may not have any local toolchain to detect. 31common --repo_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1 32 33# Don't propagate flags or defines to the exec config. This will become the 34# default one day (https://github.com/bazelbuild/bazel/issues/22457) and will 35# improve cache hit rates between builds targeting different platforms. 36common --experimental_exclude_defines_from_exec_config 37common --experimental_exclude_starlark_flags_from_exec_config 38 39# Enforces consistent action environment variables. This is important to 40# address Protobuf's rebuild sensitivity on changes to the environment 41# variables. It also improves cache hit rates. Should be true by default one 42# day (https://github.com/bazelbuild/bazel/issues/7026). 43build --incompatible_strict_action_env 44 45# Expose exec toolchains for Python. We use these toolchains in some rule 46# implementations (git grep for 47# "@rules_python//python:exec_tools_toolchain_type"). 48build --@rules_python//python/config_settings:exec_tools_toolchain=enabled 49