common.bazelrc

# Copyright 2023 Aalyria Technologies, Inc., and its affiliates.
#
# 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
#
#     http://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.

# This file defines bazelrc settings shared across workspaces.

##
# Make Bazel use an environment with a static value for PATH to facilitate
# cross-user caching.
#
# Note that, at one point, this was the Bazel default, but that was reverted. See
# https://github.com/bazelbuild/bazel/issues/7026.
##
build --incompatible_strict_action_env

# Go 1.20 introduced some changes that can cause unnecessary rebuilds without
# this flag: See https://github.com/bazelbuild/rules_go/issues/3430.
build --experimental_output_directory_naming_scheme=diff_against_dynamic_baseline

##
# For information on C/C++ compiler warnings see:
# https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
#
# Set C++20 as the standard version to use
build --cxxopt='-std=c++20'
build --cxxopt='-Wall'
build --cxxopt='-Werror'

# TODO: remove these flags when grpc builds without them.
build --cxxopt='-Wno-comment'
build --cxxopt='-Wno-class-memaccess'
build --cxxopt='-Wno-unused-variable'
build --cxxopt='-Wno-unused-function'
# TODO: remove this flag when protobuf builds without it.
# See: https://github.com/protocolbuffers/protobuf/issues/12432
build --cxxopt='-Wno-sign-compare'
# TODO: remove -Wno-deprecated-declarations and live a healthier, happier life.
build --cxxopt='-Wno-deprecated-declarations'

##
# Disable strict warnings in header files from external repositories.
#   - feature request: https://github.com/bazelbuild/bazel/issues/12009
#   - commit: https://github.com/bazelbuild/bazel/commit/08936aecb96f2937c61bdedfebcf1c5a41a0786d
##
build --features=external_include_paths

##
# Enable hermetic testing and compilation of Java using a JVM downloaded from a
# remote repository.
##
build --tool_java_runtime_version=remotejdk_21 --java_runtime_version=remotejdk_21

##
# Allow Java constructs compatible with the Java 21 specification.
##
build --tool_java_language_version=21 --java_language_version=21

##
# Don't automatically create __init__.py files in the runfiles of
# Python targets.
# See: https://github.com/bazelbuild/bazel/issues/10076
#
# This is motivated by our python proto library targets which produce
# overlapping import paths.
##
build --incompatible_default_to_explicit_init_py

common --experimental_downloader_config=./bazel/bazel_downloader.cfg