buildtools/BUILD.gn

# Copyright (C) 2017 The Android Open Source Project
#
# 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.

import("//gn/standalone/libc++/libc++.gni")

# Used to suppress warnings coming from googletest macros expansions.
config("test_warning_suppressions") {
  cflags = [
    "-Wno-unknown-warning-option",
    "-Wno-global-constructors",
    "-Wno-covered-switch-default",
    "-Wno-used-but-marked-unused",
    "-Wno-covered-switch-default",
    "-Wno-global-constructors",
    "-Wno-used-but-marked-unused",
    "-Wno-inconsistent-missing-override",
    "-Wno-unused-member-function",
    "-Wno-zero-as-null-pointer-constant",
    "-Wno-weak-vtables",
  ]
}

# Mimimal config to be used in production (i.e. non-test) targets. This is
# really just to allowing include "gtest/gtest_prod.h" for the FRIEND_TEST macro
# and avoid to pull in warning suppressions that are not really necessary for
# production code.
config("googletest_prod_config") {
  cflags = [
    # Using -isystem instead of include_dirs (-I), so we don't need to suppress
    # warnings coming from libprotobuf headers. Doing so would mask warnings in
    # our own code.
    "-isystem",
    rebase_path("googletest/googletest/include", root_build_dir),
  ]
}

# Config to include gtest.h in test targets.
config("googletest_config") {
  defines = [ "GTEST_LANG_CXX11=1" ]
  cflags = [
    # Using -isystem instead of include_dirs (-I), so we don't need to suppress
    # warnings coming from libprotobuf headers. Doing so would mask warnings in
    # our own code.
    "-isystem",
    rebase_path("googletest/googletest/include", root_build_dir),
    "-isystem",
    rebase_path("googletest/googlemock/include", root_build_dir),
  ]
  configs = [ ":test_warning_suppressions" ]
}

source_set("gtest") {
  testonly = true
  include_dirs = [ "googletest/googletest" ]
  configs -= [ "//gn/standalone:extra_warnings" ]
  public_configs = [ ":googletest_config" ]
  all_dependent_configs = [ ":googletest_config" ]
  sources = [
    "googletest/googletest/src/gtest-all.cc",
  ]
}

source_set("gtest_main") {
  testonly = true
  configs -= [ "//gn/standalone:extra_warnings" ]
  configs += [ ":googletest_config" ]
  sources = [
    "googletest/googletest/src/gtest_main.cc",
  ]
}

source_set("gmock") {
  testonly = true
  include_dirs = [ "googletest/googlemock" ]
  configs -= [ "//gn/standalone:extra_warnings" ]
  public_configs = [ ":googletest_config" ]
  all_dependent_configs = [ ":googletest_config" ]
  sources = [
    "googletest/googlemock/src/gmock-all.cc",
  ]
}

# This config is applied to the autogenerated .pb.{cc,h} files in
# //gn/standalone/proto_library.gni. This config is propagated up to the source sets
# that depend on generated proto headers. Therefore this should stay as lean and
# clean as possible in terms of -W-no* suppressions. Thankfully the
# autogenerated .pb.h headers violate less warnings than the libprotobuf_*
# library itself.
config("protobuf_gen_config") {
  defines = [
    "GOOGLE_PROTOBUF_NO_RTTI",
    "GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER",
  ]
  cflags = [
    # Using -isystem instead of include_dirs (-I), so we don't need to suppress
    # warnings coming from libprotobuf headers. Doing so would mask warnings in
    # our own code.
    "-isystem",
    rebase_path("protobuf/src", root_build_dir),
    "-Wno-unknown-warning-option",
    "-Wno-deprecated",
    "-Wno-undef",
    "-Wno-zero-as-null-pointer-constant",
  ]
}

# Configuration used to build libprotobuf_* and the protoc compiler.
config("protobuf_config") {
  # Apply the lighter supressions and macro definitions from above.
  configs = [ ":protobuf_gen_config" ]

  defines = [ "HAVE_PTHREAD=1" ]
  if (is_clang) {
    cflags = [
      "-Wno-unknown-warning-option",
      "-Wno-enum-compare-switch",
      "-Wno-user-defined-warnings",
    ]
  }
}

source_set("protobuf_lite") {
  sources = [
    "protobuf/src/google/protobuf/arena.cc",
    "protobuf/src/google/protobuf/arenastring.cc",
    "protobuf/src/google/protobuf/extension_set.cc",
    "protobuf/src/google/protobuf/generated_message_util.cc",
    "protobuf/src/google/protobuf/io/coded_stream.cc",
    "protobuf/src/google/protobuf/io/zero_copy_stream.cc",
    "protobuf/src/google/protobuf/io/zero_copy_stream_impl_lite.cc",
    "protobuf/src/google/protobuf/message_lite.cc",
    "protobuf/src/google/protobuf/repeated_field.cc",
    "protobuf/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc",
    "protobuf/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc",
    "protobuf/src/google/protobuf/stubs/bytestream.cc",
    "protobuf/src/google/protobuf/stubs/common.cc",
    "protobuf/src/google/protobuf/stubs/int128.cc",
    "protobuf/src/google/protobuf/stubs/once.cc",
    "protobuf/src/google/protobuf/stubs/status.cc",
    "protobuf/src/google/protobuf/stubs/statusor.cc",
    "protobuf/src/google/protobuf/stubs/stringpiece.cc",
    "protobuf/src/google/protobuf/stubs/stringprintf.cc",
    "protobuf/src/google/protobuf/stubs/structurally_valid.cc",
    "protobuf/src/google/protobuf/stubs/strutil.cc",
    "protobuf/src/google/protobuf/stubs/time.cc",
    "protobuf/src/google/protobuf/wire_format_lite.cc",
  ]
  configs -= [ "//gn/standalone:extra_warnings" ]
  configs += [ ":protobuf_config" ]
  public_configs = [ ":protobuf_gen_config" ]
}

source_set("protobuf_full") {
  deps = [
    ":protobuf_lite",
  ]
  sources = [
    "protobuf/src/google/protobuf/any.cc",
    "protobuf/src/google/protobuf/any.pb.cc",
    "protobuf/src/google/protobuf/api.pb.cc",
    "protobuf/src/google/protobuf/compiler/importer.cc",
    "protobuf/src/google/protobuf/compiler/parser.cc",
    "protobuf/src/google/protobuf/descriptor.cc",
    "protobuf/src/google/protobuf/descriptor.pb.cc",
    "protobuf/src/google/protobuf/descriptor_database.cc",
    "protobuf/src/google/protobuf/duration.pb.cc",
    "protobuf/src/google/protobuf/dynamic_message.cc",
    "protobuf/src/google/protobuf/empty.pb.cc",
    "protobuf/src/google/protobuf/extension_set_heavy.cc",
    "protobuf/src/google/protobuf/field_mask.pb.cc",
    "protobuf/src/google/protobuf/generated_message_reflection.cc",
    "protobuf/src/google/protobuf/io/gzip_stream.cc",
    "protobuf/src/google/protobuf/io/printer.cc",
    "protobuf/src/google/protobuf/io/strtod.cc",
    "protobuf/src/google/protobuf/io/tokenizer.cc",
    "protobuf/src/google/protobuf/io/zero_copy_stream_impl.cc",
    "protobuf/src/google/protobuf/map_field.cc",
    "protobuf/src/google/protobuf/message.cc",
    "protobuf/src/google/protobuf/reflection_ops.cc",
    "protobuf/src/google/protobuf/service.cc",
    "protobuf/src/google/protobuf/source_context.pb.cc",
    "protobuf/src/google/protobuf/struct.pb.cc",
    "protobuf/src/google/protobuf/stubs/mathlimits.cc",
    "protobuf/src/google/protobuf/stubs/substitute.cc",
    "protobuf/src/google/protobuf/text_format.cc",
    "protobuf/src/google/protobuf/timestamp.pb.cc",
    "protobuf/src/google/protobuf/type.pb.cc",
    "protobuf/src/google/protobuf/unknown_field_set.cc",
    "protobuf/src/google/protobuf/util/field_comparator.cc",
    "protobuf/src/google/protobuf/util/field_mask_util.cc",
    "protobuf/src/google/protobuf/util/internal/datapiece.cc",
    "protobuf/src/google/protobuf/util/internal/default_value_objectwriter.cc",
    "protobuf/src/google/protobuf/util/internal/error_listener.cc",
    "protobuf/src/google/protobuf/util/internal/field_mask_utility.cc",
    "protobuf/src/google/protobuf/util/internal/json_escaping.cc",
    "protobuf/src/google/protobuf/util/internal/json_objectwriter.cc",
    "protobuf/src/google/protobuf/util/internal/json_stream_parser.cc",
    "protobuf/src/google/protobuf/util/internal/object_writer.cc",
    "protobuf/src/google/protobuf/util/internal/proto_writer.cc",
    "protobuf/src/google/protobuf/util/internal/protostream_objectsource.cc",
    "protobuf/src/google/protobuf/util/internal/protostream_objectwriter.cc",
    "protobuf/src/google/protobuf/util/internal/type_info.cc",
    "protobuf/src/google/protobuf/util/internal/type_info_test_helper.cc",
    "protobuf/src/google/protobuf/util/internal/utility.cc",
    "protobuf/src/google/protobuf/util/json_util.cc",
    "protobuf/src/google/protobuf/util/message_differencer.cc",
    "protobuf/src/google/protobuf/util/time_util.cc",
    "protobuf/src/google/protobuf/util/type_resolver_util.cc",
    "protobuf/src/google/protobuf/wire_format.cc",
    "protobuf/src/google/protobuf/wrappers.pb.cc",
  ]
  configs -= [ "//gn/standalone:extra_warnings" ]
  configs += [ ":protobuf_config" ]
  public_configs = [ ":protobuf_gen_config" ]
}

if (current_toolchain == host_toolchain) {
  source_set("protoc_lib") {
    deps = [
      ":protobuf_full",
    ]
    sources = [
      "protobuf/src/google/protobuf/compiler/code_generator.cc",
      "protobuf/src/google/protobuf/compiler/command_line_interface.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_enum.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_enum_field.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_extension.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_field.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_file.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_generator.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_helpers.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_map_field.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_message.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_message_field.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_service.cc",
      "protobuf/src/google/protobuf/compiler/cpp/cpp_string_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_doc_comment.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_enum.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_enum_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_field_base.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_generator.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_helpers.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_map_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_message.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_message_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_primitive_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_reflection_class.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_repeated_message_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_repeated_primitive_field.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_source_generator_base.cc",
      "protobuf/src/google/protobuf/compiler/csharp/csharp_wrapper_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_context.cc",
      "protobuf/src/google/protobuf/compiler/java/java_doc_comment.cc",
      "protobuf/src/google/protobuf/compiler/java/java_enum.cc",
      "protobuf/src/google/protobuf/compiler/java/java_enum_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_enum_field_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_enum_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_extension.cc",
      "protobuf/src/google/protobuf/compiler/java/java_extension_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_file.cc",
      "protobuf/src/google/protobuf/compiler/java/java_generator.cc",
      "protobuf/src/google/protobuf/compiler/java/java_generator_factory.cc",
      "protobuf/src/google/protobuf/compiler/java/java_helpers.cc",
      "protobuf/src/google/protobuf/compiler/java/java_lazy_message_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_lazy_message_field_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_map_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_map_field_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_message.cc",
      "protobuf/src/google/protobuf/compiler/java/java_message_builder.cc",
      "protobuf/src/google/protobuf/compiler/java/java_message_builder_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_message_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_message_field_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_message_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_name_resolver.cc",
      "protobuf/src/google/protobuf/compiler/java/java_primitive_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_primitive_field_lite.cc",
      "protobuf/src/google/protobuf/compiler/java/java_service.cc",
      "protobuf/src/google/protobuf/compiler/java/java_shared_code_generator.cc",
      "protobuf/src/google/protobuf/compiler/java/java_string_field.cc",
      "protobuf/src/google/protobuf/compiler/java/java_string_field_lite.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_enum.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_enum_field.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_extension.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_field.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_file.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_generator.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_helpers.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_map_field.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_message.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_message_field.cc",
      "protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc",
      "protobuf/src/google/protobuf/compiler/js/js_generator.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_extension.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_field.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_file.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_generator.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_map_field.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_message.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_message_field.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_oneof.cc",
      "protobuf/src/google/protobuf/compiler/objectivec/objectivec_primitive_field.cc",
      "protobuf/src/google/protobuf/compiler/plugin.cc",
      "protobuf/src/google/protobuf/compiler/plugin.pb.cc",
      "protobuf/src/google/protobuf/compiler/python/python_generator.cc",
      "protobuf/src/google/protobuf/compiler/ruby/ruby_generator.cc",
      "protobuf/src/google/protobuf/compiler/subprocess.cc",
      "protobuf/src/google/protobuf/compiler/zip_writer.cc",
    ]
    configs -= [ "//gn/standalone:extra_warnings" ]
    configs += [ ":protobuf_config" ]
    public_configs = [ ":protobuf_gen_config" ]
  }

  executable("protoc") {
    deps = [
      ":protoc_lib",
      "//gn:default_deps",
    ]
    sources = [
      "protobuf/src/google/protobuf/compiler/main.cc",
    ]
    configs -= [ "//gn/standalone:extra_warnings" ]
  }
}  # host_toolchain

if (use_custom_libcxx) {
  # Config applied to both libc++ and libc++abi targets below.
  config("libc++config") {
    defines = [
      "LIBCXX_BUILDING_LIBCXXABI",
      "_LIBCXXABI_NO_EXCEPTIONS",
      "_LIBCPP_OVERRIDABLE_FUNC_VIS=__attribute__((__visibility__(\"default\")))",
    ]
    cflags = [
      "-fPIC",
      "-fstrict-aliasing",
    ]
  }

  source_set("libunwind") {
    sources = [
      "libunwind/src/Unwind-EHABI.cpp",
      "libunwind/src/Unwind-sjlj.c",
      "libunwind/src/UnwindLevel1-gcc-ext.c",
      "libunwind/src/UnwindLevel1.c",
      "libunwind/src/UnwindRegistersRestore.S",
      "libunwind/src/UnwindRegistersSave.S",
      "libunwind/src/libunwind.cpp",
    ]
    include_dirs = [ "libunwind/include" ]
    configs -= [
      "//gn/standalone:extra_warnings",
      "//gn/standalone:no_exceptions",
      "//gn/standalone:no_rtti",

      # When building with msan, libunwind itself triggers memory violations
      # that causes msan to get stuck into an infinite loop. Just don't
      # instrument libunwind itself.
      "//gn/standalone/sanitizers:sanitizers_cflags",
    ]
    configs += [
      ":libc++config",
      "//gn/standalone/sanitizers:sanitizer_options_link_helper",
    ]
  }

  source_set("libc++abi") {
    sources = [
      "libcxxabi/src/abort_message.cpp",
      "libcxxabi/src/cxa_aux_runtime.cpp",
      "libcxxabi/src/cxa_default_handlers.cpp",
      "libcxxabi/src/cxa_demangle.cpp",
      "libcxxabi/src/cxa_exception.cpp",
      "libcxxabi/src/cxa_exception_storage.cpp",
      "libcxxabi/src/cxa_guard.cpp",
      "libcxxabi/src/cxa_handlers.cpp",
      "libcxxabi/src/cxa_personality.cpp",
      "libcxxabi/src/cxa_unexpected.cpp",
      "libcxxabi/src/cxa_vector.cpp",
      "libcxxabi/src/cxa_virtual.cpp",
      "libcxxabi/src/fallback_malloc.cpp",
      "libcxxabi/src/private_typeinfo.cpp",
      "libcxxabi/src/stdlib_exception.cpp",
      "libcxxabi/src/stdlib_stdexcept.cpp",
      "libcxxabi/src/stdlib_typeinfo.cpp",
    ]

    # On linux this seems to introduce an unwanted glibc 2.18 dependency.
    if (is_android) {
      sources += [ "libcxxabi/src/cxa_thread_atexit.cpp" ]
    }
    configs -= [
      "//gn/standalone:extra_warnings",
      "//gn/standalone:no_exceptions",
      "//gn/standalone:no_rtti",
      "//gn/standalone:visibility_hidden",
    ]
    configs += [
      ":libc++config",
      "//gn/standalone/sanitizers:sanitizer_options_link_helper",
    ]
    deps = [
      ":libunwind",
    ]
  }

  if (custom_libcxx_is_static) {
    libcxx_target_type = "source_set"
  } else {
    libcxx_target_type = "shared_library"
  }

  target(libcxx_target_type, "libc++") {
    sources = [
      "libcxx/src/algorithm.cpp",
      "libcxx/src/any.cpp",
      "libcxx/src/bind.cpp",
      "libcxx/src/chrono.cpp",
      "libcxx/src/condition_variable.cpp",
      "libcxx/src/debug.cpp",
      "libcxx/src/exception.cpp",
      "libcxx/src/functional.cpp",
      "libcxx/src/future.cpp",
      "libcxx/src/hash.cpp",
      "libcxx/src/ios.cpp",
      "libcxx/src/iostream.cpp",
      "libcxx/src/locale.cpp",
      "libcxx/src/memory.cpp",
      "libcxx/src/mutex.cpp",
      "libcxx/src/new.cpp",
      "libcxx/src/optional.cpp",
      "libcxx/src/random.cpp",
      "libcxx/src/regex.cpp",
      "libcxx/src/shared_mutex.cpp",
      "libcxx/src/stdexcept.cpp",
      "libcxx/src/string.cpp",
      "libcxx/src/strstream.cpp",
      "libcxx/src/system_error.cpp",
      "libcxx/src/thread.cpp",
      "libcxx/src/typeinfo.cpp",
      "libcxx/src/utility.cpp",
      "libcxx/src/valarray.cpp",
      "libcxx/src/variant.cpp",
    ]
    configs -= [
      "//gn/standalone:extra_warnings",
      "//gn/standalone:no_exceptions",
      "//gn/standalone:no_rtti",
      "//gn/standalone:visibility_hidden",
    ]
    configs += [
      ":libc++config",
      "//gn/standalone/sanitizers:sanitizer_options_link_helper",
    ]
    defines = [ "_LIBCPP_BUILDING_LIBRARY" ]
    deps = [
      ":libc++abi",
    ]
  }
}  # if (use_custom_libcxx)

config("benchmark_config") {
  include_dirs = [ "benchmark/include" ]
  configs = [ ":test_warning_suppressions" ]
}

source_set("benchmark") {
  testonly = true
  sources = [
    "benchmark/include/benchmark/benchmark.h",
    "benchmark/include/benchmark/benchmark_api.h",
    "benchmark/include/benchmark/reporter.h",
    "benchmark/src/arraysize.h",
    "benchmark/src/benchmark.cc",
    "benchmark/src/benchmark_api_internal.h",
    "benchmark/src/benchmark_register.cc",
    "benchmark/src/check.h",
    "benchmark/src/colorprint.cc",
    "benchmark/src/colorprint.h",
    "benchmark/src/commandlineflags.cc",
    "benchmark/src/commandlineflags.h",
    "benchmark/src/complexity.cc",
    "benchmark/src/complexity.h",
    "benchmark/src/console_reporter.cc",
    "benchmark/src/counter.cc",
    "benchmark/src/counter.h",
    "benchmark/src/csv_reporter.cc",
    "benchmark/src/cycleclock.h",
    "benchmark/src/internal_macros.h",
    "benchmark/src/json_reporter.cc",
    "benchmark/src/log.h",
    "benchmark/src/mutex.h",
    "benchmark/src/re.h",
    "benchmark/src/reporter.cc",
    "benchmark/src/sleep.cc",
    "benchmark/src/sleep.h",
    "benchmark/src/statistics.cc",
    "benchmark/src/statistics.h",
    "benchmark/src/string_util.cc",
    "benchmark/src/string_util.h",
    "benchmark/src/sysinfo.cc",
    "benchmark/src/sysinfo.h",
    "benchmark/src/timers.cc",
    "benchmark/src/timers.h",
  ]
  defines = [ "HAVE_POSIX_REGEX" ]
  public_configs = [ ":benchmark_config" ]
  all_dependent_configs = [ ":benchmark_config" ]
  configs -= [ "//gn/standalone:extra_warnings" ]
}

# On Linux/Android use libbacktrace in debug builds for better stacktraces.
if (is_linux || is_android) {
  config("libbacktrace_config") {
    include_dirs = [
      "libbacktrace_config",
      "libbacktrace",
    ]
    cflags = [
      # We force include this config file because "config.h" is too generic as a
      # file name and on some platforms #include "config.h" ends up colliding
      # importing some other project's config.h.
      "-include",
      rebase_path("libbacktrace_config/config.h", root_build_dir),
    ]
  }

  source_set("libbacktrace") {
    sources = [
      "libbacktrace/dwarf.c",
      "libbacktrace/elf.c",
      "libbacktrace/fileline.c",
      "libbacktrace/mmap.c",
      "libbacktrace/mmapio.c",
      "libbacktrace/posix.c",
      "libbacktrace/sort.c",
      "libbacktrace/state.c",
    ]
    configs -= [ "//gn/standalone:extra_warnings" ]
    public_configs = [ ":libbacktrace_config" ]
  }
}