mirror of
https://github.com/openai/codex.git
synced 2026-10-31 19:28:49 +00:00
Sean Huang
85de07048c
## Why V8's Abseil and protobuf's shared Abseil can be built for different C++ runtimes. Give V8's copy a distinct inline namespace so both can link into one binary without interposing incompatible functions. ## What changed - Move pinned V8 dependency imports and BUILD overlays into `third_party/v8`, and inject those repositories into V8 through a module-extension bridge with no fallback downloads. - Build V8's Abseil with a V8-specific inline namespace while preserving protobuf's shared Abseil namespace. - Apply V8's C++ runtime settings in the Abseil, Highway, and simdutf overlays, and remove the shared `rules_cc` patch. - Document source dependency ownership and the version, checksum, and overlay review procedure for V8 upgrades. GitOrigin-RevId: 2b8e3deed285559f8dd3324647cb4b81089f2f56
295 lines
9.0 KiB
Plaintext
295 lines
9.0 KiB
Plaintext
# Codex-owned build of the eight Abseil entry points V8 15.2.124.1 uses.
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# Sources are from their transitive closure in Abseil 20250814.1's BUILD files.
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# Share headers, but compile runtime objects only when a caller needs them.
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# Keep non-Cord strings below time/synchronization: Cord depends on both.
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load("@@//third_party/v8:dependency_config.bzl", "RUSTY_V8_DEPENDENCY_COPTS", "RUSTY_V8_DEPENDENCY_DEPS")
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load("@rules_cc//cc:defs.bzl", "cc_library")
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package(default_visibility = ["//visibility:public"])
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licenses(["notice"]) # Apache-2.0
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exports_files(["LICENSE"])
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config_setting(
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name = "windows",
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constraint_values = ["@platforms//os:windows"],
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)
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# Include the OS constraint so these settings refine :windows in selects.
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config_setting(
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name = "windows_msvc",
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constraint_values = ["@platforms//os:windows"],
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flag_values = {"@bazel_tools//tools/cpp:compiler": "msvc-cl"},
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)
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config_setting(
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name = "windows_clang_cl",
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constraint_values = ["@platforms//os:windows"],
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flag_values = {"@bazel_tools//tools/cpp:compiler": "clang-cl"},
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)
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config_setting(
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name = "windows_lexan",
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constraint_values = ["@platforms//os:windows"],
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flag_values = {"@bazel_tools//tools/cpp:compiler": "lexan"},
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)
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cc_library(
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name = "headers",
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hdrs = glob(
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["absl/**/*.h"],
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exclude = [
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"absl/**/*_test*.h",
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"absl/**/testdata/**",
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],
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),
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# Abseil offers a supported control for this. GNU Windows needs the same
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# C++11 TLS path as native Windows; avoid patching thread_identity.h.
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defines = select({
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":windows": ["ABSL_FORCE_THREAD_IDENTITY_MODE=ABSL_THREAD_IDENTITY_MODE_USE_CPP11"],
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"//conditions:default": [],
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}),
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features = ["-module_maps"],
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includes = [
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".",
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"absl/time/internal/cctz/include",
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],
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linkopts = select({
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":windows_msvc": [
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"advapi32.lib",
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"dbghelp.lib",
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],
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":windows_clang_cl": [
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"advapi32.lib",
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"dbghelp.lib",
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],
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":windows_lexan": [
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"advapi32.lib",
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"dbghelp.lib",
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],
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":windows": [
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"-ladvapi32",
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"-ldbghelp",
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],
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"//conditions:default": ["-pthread"],
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}),
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textual_hdrs = glob(["absl/**/*.inc"]),
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visibility = ["//visibility:private"],
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deps = RUSTY_V8_DEPENDENCY_DEPS,
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)
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cc_library(
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name = "base",
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srcs = [
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"absl/base/internal/cycleclock.cc",
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"absl/base/internal/low_level_alloc.cc",
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"absl/base/internal/raw_logging.cc",
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"absl/base/internal/spinlock.cc",
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"absl/base/internal/spinlock_wait.cc",
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"absl/base/internal/sysinfo.cc",
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"absl/base/internal/thread_identity.cc",
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"absl/base/internal/throw_delegate.cc",
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"absl/base/internal/tracing.cc",
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"absl/base/internal/unscaledcycleclock.cc",
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"absl/base/log_severity.cc",
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"absl/numeric/int128.cc",
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],
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copts = RUSTY_V8_DEPENDENCY_COPTS,
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features = ["-module_maps"],
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visibility = ["//visibility:private"],
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deps = [
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":headers",
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],
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)
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cc_library(
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name = "strings",
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srcs = [
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"absl/strings/ascii.cc",
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"absl/strings/charconv.cc",
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"absl/strings/escaping.cc",
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"absl/strings/internal/charconv_bigint.cc",
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"absl/strings/internal/charconv_parse.cc",
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"absl/strings/internal/damerau_levenshtein_distance.cc",
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"absl/strings/internal/escaping.cc",
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"absl/strings/internal/memutil.cc",
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"absl/strings/internal/ostringstream.cc",
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"absl/strings/internal/str_format/arg.cc",
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"absl/strings/internal/str_format/bind.cc",
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"absl/strings/internal/str_format/extension.cc",
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"absl/strings/internal/str_format/float_conversion.cc",
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"absl/strings/internal/str_format/output.cc",
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"absl/strings/internal/str_format/parser.cc",
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"absl/strings/internal/stringify_sink.cc",
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"absl/strings/internal/utf8.cc",
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"absl/strings/match.cc",
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"absl/strings/numbers.cc",
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"absl/strings/str_cat.cc",
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"absl/strings/str_replace.cc",
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"absl/strings/str_split.cc",
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"absl/strings/string_view.cc",
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"absl/strings/substitute.cc",
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],
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copts = RUSTY_V8_DEPENDENCY_COPTS,
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features = ["-module_maps"],
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visibility = ["//visibility:private"],
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deps = [
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":base",
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],
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)
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cc_library(
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name = "time",
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srcs = [
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"absl/time/civil_time.cc",
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"absl/time/clock.cc",
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"absl/time/duration.cc",
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"absl/time/format.cc",
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"absl/time/internal/cctz/src/civil_time_detail.cc",
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"absl/time/internal/cctz/src/time_zone_fixed.cc",
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"absl/time/internal/cctz/src/time_zone_format.cc",
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"absl/time/internal/cctz/src/time_zone_if.cc",
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"absl/time/internal/cctz/src/time_zone_impl.cc",
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"absl/time/internal/cctz/src/time_zone_info.cc",
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"absl/time/internal/cctz/src/time_zone_libc.cc",
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"absl/time/internal/cctz/src/time_zone_lookup.cc",
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"absl/time/internal/cctz/src/time_zone_posix.cc",
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"absl/time/internal/cctz/src/zone_info_source.cc",
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"absl/time/time.cc",
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],
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copts = RUSTY_V8_DEPENDENCY_COPTS,
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features = ["-module_maps"],
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deps = [
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":strings",
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],
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)
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cc_library(
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name = "synchronization",
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srcs = [
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"absl/debugging/internal/address_is_readable.cc",
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"absl/debugging/internal/decode_rust_punycode.cc",
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"absl/debugging/internal/demangle.cc",
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"absl/debugging/internal/demangle_rust.cc",
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"absl/debugging/internal/elf_mem_image.cc",
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"absl/debugging/internal/utf8_for_code_point.cc",
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"absl/debugging/internal/vdso_support.cc",
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"absl/debugging/stacktrace.cc",
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"absl/debugging/symbolize.cc",
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"absl/synchronization/barrier.cc",
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"absl/synchronization/blocking_counter.cc",
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"absl/synchronization/internal/create_thread_identity.cc",
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"absl/synchronization/internal/futex_waiter.cc",
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"absl/synchronization/internal/graphcycles.cc",
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"absl/synchronization/internal/kernel_timeout.cc",
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"absl/synchronization/internal/per_thread_sem.cc",
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"absl/synchronization/internal/pthread_waiter.cc",
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"absl/synchronization/internal/sem_waiter.cc",
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"absl/synchronization/internal/stdcpp_waiter.cc",
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"absl/synchronization/internal/waiter_base.cc",
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"absl/synchronization/internal/win32_waiter.cc",
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"absl/synchronization/mutex.cc",
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"absl/synchronization/notification.cc",
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],
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copts = RUSTY_V8_DEPENDENCY_COPTS,
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features = ["-module_maps"],
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deps = [
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":time",
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],
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)
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cc_library(
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name = "cord",
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srcs = [
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"absl/crc/crc32c.cc",
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"absl/crc/internal/cpu_detect.cc",
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"absl/crc/internal/crc.cc",
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"absl/crc/internal/crc_cord_state.cc",
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"absl/crc/internal/crc_memcpy_fallback.cc",
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"absl/crc/internal/crc_memcpy_x86_arm_combined.cc",
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"absl/crc/internal/crc_non_temporal_memcpy.cc",
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"absl/crc/internal/crc_x86_arm_combined.cc",
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"absl/profiling/internal/exponential_biased.cc",
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"absl/strings/cord.cc",
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"absl/strings/cord_analysis.cc",
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"absl/strings/internal/cord_internal.cc",
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"absl/strings/internal/cord_rep_btree.cc",
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"absl/strings/internal/cord_rep_btree_navigator.cc",
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"absl/strings/internal/cord_rep_btree_reader.cc",
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"absl/strings/internal/cord_rep_consume.cc",
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"absl/strings/internal/cord_rep_crc.cc",
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"absl/strings/internal/cordz_functions.cc",
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"absl/strings/internal/cordz_handle.cc",
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"absl/strings/internal/cordz_info.cc",
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],
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copts = RUSTY_V8_DEPENDENCY_COPTS,
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features = ["-module_maps"],
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visibility = ["//visibility:private"],
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deps = [
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":strings",
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":synchronization",
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],
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)
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cc_library(
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name = "hash_containers",
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srcs = [
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"absl/container/internal/hashtablez_sampler.cc",
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"absl/container/internal/hashtablez_sampler_force_weak_definition.cc",
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"absl/container/internal/raw_hash_set.cc",
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"absl/hash/internal/city.cc",
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"absl/hash/internal/hash.cc",
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],
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copts = RUSTY_V8_DEPENDENCY_COPTS,
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features = ["-module_maps"],
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visibility = ["//visibility:private"],
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deps = [
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":cord",
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":synchronization",
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],
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)
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cc_library(
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name = "btree",
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deps = [":cord"],
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)
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alias(
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name = "overload",
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actual = ":headers",
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)
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alias(
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name = "flat_hash_map",
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actual = ":hash_containers",
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)
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alias(
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name = "flat_hash_set",
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actual = ":hash_containers",
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)
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alias(
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name = "node_hash_map",
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actual = ":hash_containers",
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)
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alias(
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name = "node_hash_set",
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actual = ":hash_containers",
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)
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# Compatibility for the engine graph further up the V8 build stack. The
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# individual V8 targets in this layer use the narrower entry points above.
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cc_library(
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name = "abseil",
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deps = [
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":btree",
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":flat_hash_map",
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":overload",
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":synchronization",
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":time",
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],
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)
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