.bazelrc

# General Bazel config
common --noenable_bzlmod
common --enable_platform_specific_config

# Configurations related to C++ compilation
build --incompatible_enable_cc_toolchain_resolution

# Enable the `force_pic` build variable.
# This indicates that position-independent code (PIC) and position-independent executables (PIE) should be generated.
build --force_pic
# Enable fission by default on Linux and always download dwo files
build:linux --fission=yes --experimental_remote_download_regex=.*\.dwo

# Use a platform specific crosstool top to prevent failures like.
# '@local_config_cc//:toolchain' does not contain a toolchain for cpu 'k8|darwin|windows_64'.
# This is a temporary workaround until the legacy crosstool has been removed entirely from Bazel.
build --crosstool_top="//toolchain:clang_toolchain_suite"
build --platform_mappings=toolchain/platforms/platform_mappings
build --experimental_output_directory_naming_scheme=diff_against_baseline

# Add a sanitizers flag to the build so we can skip targets that are not compatible with sanitizers
build:sanitizer --//bazel/settings:sanitizer --config=slow_lane

# Create a config for common Sanitizer flags, ASAN and UBSAN work well together so they are enabled together
build:ub-asan --features=address_sanitizer --features=undefined_behavior_sanitizer --config=sanitizer --platform_suffix=ub-asan
build:tsan --features=thread_sanitizer --config=sanitizer --platform_suffix=tsan
build:msan --features=memory_sanitizer --config=sanitizer --platform_suffix=msan

# These are OS specific and do not hurt anything in unsanitized runs. Sadly, each of the sanitizers requires their own settings.
# The env should apply to both run & build as run inherits from build
build:linux --action_env=ASAN_SYMBOLIZER_PATH=./external/clang_linux/bin/llvm-symbolizer --action_env=MSAN_SYMBOLIZER_PATH=./external/clang_linux/bin/llvm-symbolizer --action_env=TSAN_OPTIONS=external_symbolizer_path=./external/clang_linux/bin/llvm-symbolizer
build:macos --action_env=ASAN_SYMBOLIZER_PATH=./external/clang_darwin/bin/llvm-symbolizer --action_env=MSAN_SYMBOLIZER_PATH=./external/clang_darwin/bin/llvm-symbolizer --action_env=TSAN_OPTIONS=external_symbolizer_path=./external/clang_darwin/bin/llvm-symbolizer

# Build fuzzers with sanitizers
build:fuzzer --config=ub-asan
build:fuzzer --features=fuzzer-no-link