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.bazelrc
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# GWPSan depends on Clang. Currently no GCC support is planned.
build --config=clang
build --cxxopt=-std=c++20
build --cxxopt=-Wno-mismatched-tags # Don't care about Microsoft ABI
build --copt=--system-header-prefix=external/ # Do not warn in dependencies
# Common flags for Clang
build:clang --action_env=BAZEL_COMPILER=clang
build:clang --action_env=CC=clang --action_env=CXX=clang++
build:clang --linkopt=-fuse-ld=lld
# LLVM libc++
build:libc++ --action_env=CXXFLAGS=-stdlib=libc++
build:libc++ --action_env=LDFLAGS=-stdlib=libc++
build:libc++ --action_env=BAZEL_CXXOPTS=-stdlib=libc++
build:libc++ --action_env=BAZEL_LINKOPTS=-lc++:-lm
# x86-64: --config=x86_64
build:x86_64 --copt=-mcx16 # We rely on 16-byte atomics
build:x86_64 --copt=-mcrc32 # Need CRC32 builtins
# Developer/CI config with more compiler warnings: --config=dev
build:dev --copt=-Wall
build:dev --copt=-Werror
# ASan: --config=asan
build:asan --//gwpsan:sanitizer=asan
build:asan --copt=-fsanitize=address
build:asan --copt=-fsanitize-address-use-after-scope
build:asan --copt=-fsanitize-address-use-after-return=runtime
build:asan --copt=-DADDRESS_SANITIZER
build:asan --linkopt=-fsanitize=address
build:asan --cc_output_directory_tag=asan
# MSan: --config=msan (Note: need MSan'ified stdlibs!)
build:msan --//gwpsan:sanitizer=msan
build:msan --copt=-fsanitize=memory
build:msan --copt=-fsanitize-memory-track-origins
build:msan --copt=-DMEMORY_SANITIZER
build:msan --linkopt=-fsanitize=memory
build:msan --cc_output_directory_tag=msan
# ASan-enabled fuzzer: --config=asan-libfuzzer
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing//fuzzing/engines:libfuzzer
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_instrumentation=libfuzzer
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_sanitizer=asan
build:asan-libfuzzer --cc_output_directory_tag=asan-libfuzzer
# MSan-enabled fuzzer: --config=msan-libfuzzer
build:msan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing//fuzzing/engines:libfuzzer
build:msan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_instrumentation=libfuzzer
build:msan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_sanitizer=msan
build:msan-libfuzzer --cc_output_directory_tag=msan-libfuzzer