srctree


# Bazel configuration

# =========================================================



# https://github.com/bazelbuild/bazel/issues/18958

common --noenable_bzlmod



build --enable_platform_specific_config

coverage --combined_report=lcov

coverage --instrumentation_filter=-'_fuzz_test'

test --test_output=errors

test --test_summary=terse

test --test_verbose_timeout_warnings



# Bazel deprecations

# =========================================================

# See: https://docs.bazel.build/versions/main/backward-compatibility.html



# https://github.com/bazelbuild/bazel/issues/12821

common --nolegacy_external_runfiles

build --incompatible_config_setting_private_default_visibility

build --incompatible_disallow_empty_glob

build --incompatible_enforce_config_setting_visibility



# Third-party configuration

# =========================================================



# Don't require a system Python installation.

build --@rules_python//python/config_settings:bootstrap_impl=script



# Compiler configuration

# =========================================================



# Bazel + Clang supports this really cool features where it checks that you're

# not relying on transitive dependencies, so let's enable that!

build:linux --features=layering_check



build:linux      --cxxopt='-std=c++2b'

build:linux --host_cxxopt='-std=c++2b'

build:linux      --cxxopt='-fno-rtti'

build:linux --host_cxxopt='-fno-rtti'



build:macos --apple_crosstool_top=@local_config_apple_cc//:toolchain

build:macos --crosstool_top=@local_config_apple_cc//:toolchain

build:macos --host_crosstool_top=@local_config_apple_cc//:toolchain

build:macos --features=layering_check

build:macos      --cxxopt='-std=c++2b'

build:macos --host_cxxopt='-std=c++2b'

build:macos      --cxxopt='-fno-rtti'

build:macos --host_cxxopt='-fno-rtti'

build:macos --objccopt='-ObjC++'

build:macos --objccopt='-std=c++2b'



build:windows --enable_runfiles

build:windows --action_env=LOCALAPPDATA # Quirk for running vswhere, remove when icu no-longer needed

build:windows --action_env=ProgramData # Quirk for running vswhere, remove when icu no-longer needed

build:windows      --cxxopt='/std:c++latest'

build:windows --host_cxxopt='/std:c++latest'

build:windows      --cxxopt='/GR-' # Disable rtti.

build:windows --host_cxxopt='/GR-'

build:windows      --copt='/permissive-' # Conform to the standard.

build:windows --host_copt='/permissive-'

build:windows      --copt='/Zc:__cplusplus' # Report the real supported C++ version, not just C++98.

build:windows --host_copt='/Zc:__cplusplus'

build:windows      --copt='-utf-8' # Use UTF-8 as the source and execution character sets.

build:windows --host_copt='-utf-8'



# Special build options

# =========================================================



# https://bazel.build/configure/windows#clang

build:clang-cl --extra_toolchains=@local_config_cc//:cc-toolchain-x64_windows-clang-cl

build:clang-cl --extra_execution_platforms=//:x64_windows-clang-cl

build:clang-cl --platforms=//:x64_windows-clang-cl



build:libc++      --cxxopt=-stdlib=libc++

build:libc++ --host_cxxopt=-stdlib=libc++

build:libc++      --cxxopt=-fexperimental-library

build:libc++ --host_cxxopt=-fexperimental-library

build:libc++      --linkopt=-stdlib=libc++

build:libc++ --host_linkopt=-stdlib=libc++

# https://releases.llvm.org/16.0.0/projects/libcxx/docs/ReleaseNotes.html#upcoming-deprecations-and-removals

build:libc++      --copt=-D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES

build:libc++ --host_copt=-D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES



# Some of this is from "Can I run AddressSanitizer with more aggressive diagnostics enabled?"

# on https://github.com/google/sanitizers/wiki/AddressSanitizer#faq and some is from

# https://chromium.googlesource.com/external/github.com/grpc/grpc/+/4e9206f48c91e17f43856b016b12f59dd5118293/tools/bazel.rc

build:asan --strip=never

build:asan --features=asan

build:asan --copt=-fsanitize-address-use-after-scope

build:asan --copt=-fno-omit-frame-pointer

build:asan --action_env=ASAN_OPTIONS=detect_odr_violations=2:detect_leaks=1:strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1

build:asan --action_env=LSAN_OPTIONS=report_objects=1



build:tsan --strip=never

build:tsan --features=tsan

build:tsan --action_env=TSAN_OPTIONS=halt_on_error=1



build:ubsan --strip=never

build:ubsan --features=ubsan

build:ubsan --copt=-fno-omit-frame-pointer

build:ubsan --linkopt=-fsanitize-link-c++-runtime

build:ubsan --host_linkopt=-fsanitize-link-c++-runtime

build:ubsan --action_env=UBSAN_OPTIONS=halt_on_error=1:print_stacktrace=1



build:clang-coverage

build:clang-coverage --action_env=BAZEL_USE_LLVM_NATIVE_COVERAGE=1

build:clang-coverage --experimental_generate_llvm_lcov



build:clang16-coverage --config=clang-coverage

build:clang16-coverage --action_env=BAZEL_LLVM_COV=llvm-cov-16

build:clang16-coverage --action_env=GCOV=llvm-profdata-16



build:clang18-coverage --config=clang-coverage

build:clang18-coverage --action_env=BAZEL_LLVM_COV=llvm-cov-18

build:clang18-coverage --action_env=GCOV=llvm-profdata-18



build:clang-tidy --aspects @bazel_clang_tidy//clang_tidy:clang_tidy.bzl%clang_tidy_aspect

build:clang-tidy --output_groups=report

build:clang-tidy --@bazel_clang_tidy//:clang_tidy_config=//:clang_tidy_config



# Cross-compilation

# =========================================================



# See: https://github.com/uber/hermetic_cc_toolchain/issues/134

build:zig-cross --sandbox_add_mount_pair=/tmp

# build:zig-cross --sandbox_add_mount_pair=/var/tmp  # macOS

# build:zig-cross --sandbox_add_mount_pair=C:\Temp  # Windows

build:zig-cross --dynamic_mode=off

# TODO(robinlinden): Make this transitive so we can tag the no-cross targets

#                    instead of everything depending on no-cross targets.

# * icu's pkgdata stuff doesn't work w/ cross-compilation.

# * sfml links against host libraries: GL, X11.

# * py_test targets have host dependencies.

build:zig-cross --build_tag_filters=-no-cross

build:zig-cross --test_tag_filters=-no-cross



build:zig-cross-musl --config=zig-cross

build:zig-cross-musl --copt=-fPIC

# TODO(robinlinden): asio assumes __GLIBC__ is defined.

build:zig-cross-musl --copt=-Wno-error=undef



build:linux-amd64-musl --config=zig-cross-musl

build:linux-amd64-musl --platforms=@zig_sdk//platform:linux_amd64

build:linux-amd64-musl --extra_toolchains=@zig_sdk//toolchain:linux_amd64_musl



build:linux-aarch64-musl --config=zig-cross-musl

build:linux-aarch64-musl --platforms=@zig_sdk//platform:linux_arm64

build:linux-aarch64-musl --extra_toolchains=@zig_sdk//toolchain:linux_arm64_musl



build:macos-amd64 --config=zig-cross

build:macos-amd64 --platforms=@zig_sdk//platform:darwin_amd64

build:macos-amd64 --extra_toolchains=@zig_sdk//toolchain:darwin_amd64



build:macos-aarch64 --config=zig-cross

build:macos-aarch64 --platforms=@zig_sdk//platform:darwin_aarch64

build:macos-aarch64 --extra_toolchains=@zig_sdk//toolchain:darwin_arm64



build:windows-amd64 --config=zig-cross

build:windows-amd64 --platforms=@zig_sdk//platform:windows_amd64

build:windows-amd64 --extra_toolchains=@zig_sdk//toolchain:windows_amd64



build:wasi-wasm --config=zig-cross

build:wasi-wasm --platforms=@zig_sdk//platform:wasip1_wasm

build:wasi-wasm --extra_toolchains=@zig_sdk//toolchain:wasip1_wasm

# wasi doesn't support exceptions yet:

# https://github.com/WebAssembly/wasi-sdk/tree/f1ebc52a74394cdf885d03bfde13899b3d5c6d2d?tab=readme-ov-file#notable-limitations

build:wasi-wasm --copt=-fno-exceptions



# Fuzzing options

# =========================================================



# https://github.com/bazelbuild/rules_fuzzing says to also set

# @rules_fuzzing//fuzzing:cc_engine_sanitizer=asan or similar which sets things

# like -fsanitize=asan. We don't use this as we set these options ourselves.

# See:

# * https://github.com/bazelbuild/rules_fuzzing/blob/9865504b549e86ccfb4713afcc1914c982567f05/fuzzing/BUILD

# * https://github.com/bazelbuild/rules_fuzzing/blob/9865504b549e86ccfb4713afcc1914c982567f05/fuzzing/private/instrum_opts.bzl



build:libfuzzer --@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing//fuzzing/engines:libfuzzer

build:libfuzzer --@rules_fuzzing//fuzzing:cc_engine_instrumentation=libfuzzer



build:honggfuzz --@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing//fuzzing/engines:honggfuzz

build:honggfuzz --@rules_fuzzing//fuzzing:cc_engine_instrumentation=honggfuzz



# Misc configuration

# =========================================================



try-import %workspace%/.bazelrc.local