chore(3p/abseil_cpp): unvendor abseil_cpp r/3786

we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>

6 files changed, 0 insertions, 739 deletions

diff --git a/third_party/abseil_cpp/absl/copts/AbseilConfigureCopts.cmake b/third_party/abseil_cpp/absl/copts/AbseilConfigureCopts.cmake
deleted file mode 100644
index acd46d04aa5a..000000000000
--- a/third_party/abseil_cpp/absl/copts/AbseilConfigureCopts.cmake
+++ /dev/null
@@ -1,67 +0,0 @@
-# See absl/copts/copts.py and absl/copts/generate_copts.py
-include(GENERATED_AbseilCopts)
-
-set(ABSL_LSAN_LINKOPTS "")
-set(ABSL_HAVE_LSAN OFF)
-set(ABSL_DEFAULT_LINKOPTS "")
-
-if (BUILD_SHARED_LIBS AND MSVC)
-  set(ABSL_BUILD_DLL TRUE)
-  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
-else()
-  set(ABSL_BUILD_DLL FALSE)
-endif()
-
-if("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "x86_64|amd64|AMD64")
-  if (MSVC)
-    set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
-  else()
-    set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
-  endif()
-elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm.*|aarch64")
-  if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
-    set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
-  elseif("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
-    set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM32_FLAGS}")
-  else()
-    message(WARNING "Value of CMAKE_SIZEOF_VOID_P (${CMAKE_SIZEOF_VOID_P}) is not supported.")
-  endif()
-else()
-  message(WARNING "Value of CMAKE_SYSTEM_PROCESSOR (${CMAKE_SYSTEM_PROCESSOR}) is unknown and cannot be used to set ABSL_RANDOM_RANDEN_COPTS")
-  set(ABSL_RANDOM_RANDEN_COPTS "")
-endif()
-
-
-if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-  set(ABSL_DEFAULT_COPTS "${ABSL_GCC_FLAGS}")
-  set(ABSL_TEST_COPTS "${ABSL_GCC_FLAGS};${ABSL_GCC_TEST_FLAGS}")
-elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
-  # MATCHES so we get both Clang and AppleClang
-  if(MSVC)
-    # clang-cl is half MSVC, half LLVM
-    set(ABSL_DEFAULT_COPTS "${ABSL_CLANG_CL_FLAGS}")
-    set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_FLAGS};${ABSL_CLANG_CL_TEST_FLAGS}")
-    set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
-  else()
-    set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
-    set(ABSL_TEST_COPTS "${ABSL_LLVM_FLAGS};${ABSL_LLVM_TEST_FLAGS}")
-    if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-      # AppleClang doesn't have lsan
-      # https://developer.apple.com/documentation/code_diagnostics
-      if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
-        set(ABSL_LSAN_LINKOPTS "-fsanitize=leak")
-        set(ABSL_HAVE_LSAN ON)
-      endif()
-    endif()
-  endif()
-elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
-  set(ABSL_DEFAULT_COPTS "${ABSL_MSVC_FLAGS}")
-  set(ABSL_TEST_COPTS "${ABSL_MSVC_FLAGS};${ABSL_MSVC_TEST_FLAGS}")
-  set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
-else()
-  message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}.  Building with no default flags")
-  set(ABSL_DEFAULT_COPTS "")
-  set(ABSL_TEST_COPTS "")
-endif()
-
-set(ABSL_CXX_STANDARD "${CMAKE_CXX_STANDARD}")
diff --git a/third_party/abseil_cpp/absl/copts/GENERATED_AbseilCopts.cmake b/third_party/abseil_cpp/absl/copts/GENERATED_AbseilCopts.cmake
deleted file mode 100644
index 51742c9b6b3a..000000000000
--- a/third_party/abseil_cpp/absl/copts/GENERATED_AbseilCopts.cmake
+++ /dev/null
@@ -1,162 +0,0 @@
-# GENERATED! DO NOT MANUALLY EDIT THIS FILE.
-#
-# (1) Edit absl/copts/copts.py.
-# (2) Run `python <path_to_absl>/copts/generate_copts.py`.
-
-list(APPEND ABSL_CLANG_CL_FLAGS
-    "/W3"
-    "/DNOMINMAX"
-    "/DWIN32_LEAN_AND_MEAN"
-    "/D_CRT_SECURE_NO_WARNINGS"
-    "/D_SCL_SECURE_NO_WARNINGS"
-    "/D_ENABLE_EXTENDED_ALIGNED_STORAGE"
-)
-
-list(APPEND ABSL_CLANG_CL_TEST_FLAGS
-    "-Wno-c99-extensions"
-    "-Wno-deprecated-declarations"
-    "-Wno-missing-noreturn"
-    "-Wno-missing-prototypes"
-    "-Wno-missing-variable-declarations"
-    "-Wno-null-conversion"
-    "-Wno-shadow"
-    "-Wno-shift-sign-overflow"
-    "-Wno-sign-compare"
-    "-Wno-unused-function"
-    "-Wno-unused-member-function"
-    "-Wno-unused-parameter"
-    "-Wno-unused-private-field"
-    "-Wno-unused-template"
-    "-Wno-used-but-marked-unused"
-    "-Wno-zero-as-null-pointer-constant"
-    "-Wno-gnu-zero-variadic-macro-arguments"
-)
-
-list(APPEND ABSL_GCC_FLAGS
-    "-Wall"
-    "-Wextra"
-    "-Wcast-qual"
-    "-Wconversion-null"
-    "-Wformat-security"
-    "-Wmissing-declarations"
-    "-Woverlength-strings"
-    "-Wpointer-arith"
-    "-Wundef"
-    "-Wunused-local-typedefs"
-    "-Wunused-result"
-    "-Wvarargs"
-    "-Wvla"
-    "-Wwrite-strings"
-    "-DNOMINMAX"
-)
-
-list(APPEND ABSL_GCC_TEST_FLAGS
-    "-Wno-conversion-null"
-    "-Wno-deprecated-declarations"
-    "-Wno-missing-declarations"
-    "-Wno-sign-compare"
-    "-Wno-unused-function"
-    "-Wno-unused-parameter"
-    "-Wno-unused-private-field"
-)
-
-list(APPEND ABSL_LLVM_FLAGS
-    "-Wall"
-    "-Wextra"
-    "-Wcast-qual"
-    "-Wconversion"
-    "-Wfloat-overflow-conversion"
-    "-Wfloat-zero-conversion"
-    "-Wfor-loop-analysis"
-    "-Wformat-security"
-    "-Wgnu-redeclared-enum"
-    "-Winfinite-recursion"
-    "-Wliteral-conversion"
-    "-Wmissing-declarations"
-    "-Woverlength-strings"
-    "-Wpointer-arith"
-    "-Wself-assign"
-    "-Wshadow"
-    "-Wstring-conversion"
-    "-Wtautological-overlap-compare"
-    "-Wundef"
-    "-Wuninitialized"
-    "-Wunreachable-code"
-    "-Wunused-comparison"
-    "-Wunused-local-typedefs"
-    "-Wunused-result"
-    "-Wvla"
-    "-Wwrite-strings"
-    "-Wno-float-conversion"
-    "-Wno-implicit-float-conversion"
-    "-Wno-implicit-int-float-conversion"
-    "-Wno-implicit-int-conversion"
-    "-Wno-shorten-64-to-32"
-    "-Wno-sign-conversion"
-    "-DNOMINMAX"
-)
-
-list(APPEND ABSL_LLVM_TEST_FLAGS
-    "-Wno-c99-extensions"
-    "-Wno-deprecated-declarations"
-    "-Wno-missing-noreturn"
-    "-Wno-missing-prototypes"
-    "-Wno-missing-variable-declarations"
-    "-Wno-null-conversion"
-    "-Wno-shadow"
-    "-Wno-shift-sign-overflow"
-    "-Wno-sign-compare"
-    "-Wno-unused-function"
-    "-Wno-unused-member-function"
-    "-Wno-unused-parameter"
-    "-Wno-unused-private-field"
-    "-Wno-unused-template"
-    "-Wno-used-but-marked-unused"
-    "-Wno-zero-as-null-pointer-constant"
-    "-Wno-gnu-zero-variadic-macro-arguments"
-)
-
-list(APPEND ABSL_MSVC_FLAGS
-    "/W3"
-    "/DNOMINMAX"
-    "/DWIN32_LEAN_AND_MEAN"
-    "/D_CRT_SECURE_NO_WARNINGS"
-    "/D_SCL_SECURE_NO_WARNINGS"
-    "/D_ENABLE_EXTENDED_ALIGNED_STORAGE"
-    "/bigobj"
-    "/wd4005"
-    "/wd4068"
-    "/wd4180"
-    "/wd4244"
-    "/wd4267"
-    "/wd4503"
-    "/wd4800"
-)
-
-list(APPEND ABSL_MSVC_LINKOPTS
-    "-ignore:4221"
-)
-
-list(APPEND ABSL_MSVC_TEST_FLAGS
-    "/wd4018"
-    "/wd4101"
-    "/wd4503"
-    "/wd4996"
-    "/DNOMINMAX"
-)
-
-list(APPEND ABSL_RANDOM_HWAES_ARM32_FLAGS
-    "-mfpu=neon"
-)
-
-list(APPEND ABSL_RANDOM_HWAES_ARM64_FLAGS
-    "-march=armv8-a+crypto"
-)
-
-list(APPEND ABSL_RANDOM_HWAES_MSVC_X64_FLAGS
-)
-
-list(APPEND ABSL_RANDOM_HWAES_X64_FLAGS
-    "-maes"
-    "-msse4.1"
-)
diff --git a/third_party/abseil_cpp/absl/copts/GENERATED_copts.bzl b/third_party/abseil_cpp/absl/copts/GENERATED_copts.bzl
deleted file mode 100644
index 6707488f23db..000000000000
--- a/third_party/abseil_cpp/absl/copts/GENERATED_copts.bzl
+++ /dev/null
@@ -1,163 +0,0 @@
-"""GENERATED! DO NOT MANUALLY EDIT THIS FILE.
-
-(1) Edit absl/copts/copts.py.
-(2) Run `python <path_to_absl>/copts/generate_copts.py`.
-"""
-
-ABSL_CLANG_CL_FLAGS = [
-    "/W3",
-    "/DNOMINMAX",
-    "/DWIN32_LEAN_AND_MEAN",
-    "/D_CRT_SECURE_NO_WARNINGS",
-    "/D_SCL_SECURE_NO_WARNINGS",
-    "/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
-]
-
-ABSL_CLANG_CL_TEST_FLAGS = [
-    "-Wno-c99-extensions",
-    "-Wno-deprecated-declarations",
-    "-Wno-missing-noreturn",
-    "-Wno-missing-prototypes",
-    "-Wno-missing-variable-declarations",
-    "-Wno-null-conversion",
-    "-Wno-shadow",
-    "-Wno-shift-sign-overflow",
-    "-Wno-sign-compare",
-    "-Wno-unused-function",
-    "-Wno-unused-member-function",
-    "-Wno-unused-parameter",
-    "-Wno-unused-private-field",
-    "-Wno-unused-template",
-    "-Wno-used-but-marked-unused",
-    "-Wno-zero-as-null-pointer-constant",
-    "-Wno-gnu-zero-variadic-macro-arguments",
-]
-
-ABSL_GCC_FLAGS = [
-    "-Wall",
-    "-Wextra",
-    "-Wcast-qual",
-    "-Wconversion-null",
-    "-Wformat-security",
-    "-Wmissing-declarations",
-    "-Woverlength-strings",
-    "-Wpointer-arith",
-    "-Wundef",
-    "-Wunused-local-typedefs",
-    "-Wunused-result",
-    "-Wvarargs",
-    "-Wvla",
-    "-Wwrite-strings",
-    "-DNOMINMAX",
-]
-
-ABSL_GCC_TEST_FLAGS = [
-    "-Wno-conversion-null",
-    "-Wno-deprecated-declarations",
-    "-Wno-missing-declarations",
-    "-Wno-sign-compare",
-    "-Wno-unused-function",
-    "-Wno-unused-parameter",
-    "-Wno-unused-private-field",
-]
-
-ABSL_LLVM_FLAGS = [
-    "-Wall",
-    "-Wextra",
-    "-Wcast-qual",
-    "-Wconversion",
-    "-Wfloat-overflow-conversion",
-    "-Wfloat-zero-conversion",
-    "-Wfor-loop-analysis",
-    "-Wformat-security",
-    "-Wgnu-redeclared-enum",
-    "-Winfinite-recursion",
-    "-Wliteral-conversion",
-    "-Wmissing-declarations",
-    "-Woverlength-strings",
-    "-Wpointer-arith",
-    "-Wself-assign",
-    "-Wshadow",
-    "-Wstring-conversion",
-    "-Wtautological-overlap-compare",
-    "-Wundef",
-    "-Wuninitialized",
-    "-Wunreachable-code",
-    "-Wunused-comparison",
-    "-Wunused-local-typedefs",
-    "-Wunused-result",
-    "-Wvla",
-    "-Wwrite-strings",
-    "-Wno-float-conversion",
-    "-Wno-implicit-float-conversion",
-    "-Wno-implicit-int-float-conversion",
-    "-Wno-implicit-int-conversion",
-    "-Wno-shorten-64-to-32",
-    "-Wno-sign-conversion",
-    "-DNOMINMAX",
-]
-
-ABSL_LLVM_TEST_FLAGS = [
-    "-Wno-c99-extensions",
-    "-Wno-deprecated-declarations",
-    "-Wno-missing-noreturn",
-    "-Wno-missing-prototypes",
-    "-Wno-missing-variable-declarations",
-    "-Wno-null-conversion",
-    "-Wno-shadow",
-    "-Wno-shift-sign-overflow",
-    "-Wno-sign-compare",
-    "-Wno-unused-function",
-    "-Wno-unused-member-function",
-    "-Wno-unused-parameter",
-    "-Wno-unused-private-field",
-    "-Wno-unused-template",
-    "-Wno-used-but-marked-unused",
-    "-Wno-zero-as-null-pointer-constant",
-    "-Wno-gnu-zero-variadic-macro-arguments",
-]
-
-ABSL_MSVC_FLAGS = [
-    "/W3",
-    "/DNOMINMAX",
-    "/DWIN32_LEAN_AND_MEAN",
-    "/D_CRT_SECURE_NO_WARNINGS",
-    "/D_SCL_SECURE_NO_WARNINGS",
-    "/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
-    "/bigobj",
-    "/wd4005",
-    "/wd4068",
-    "/wd4180",
-    "/wd4244",
-    "/wd4267",
-    "/wd4503",
-    "/wd4800",
-]
-
-ABSL_MSVC_LINKOPTS = [
-    "-ignore:4221",
-]
-
-ABSL_MSVC_TEST_FLAGS = [
-    "/wd4018",
-    "/wd4101",
-    "/wd4503",
-    "/wd4996",
-    "/DNOMINMAX",
-]
-
-ABSL_RANDOM_HWAES_ARM32_FLAGS = [
-    "-mfpu=neon",
-]
-
-ABSL_RANDOM_HWAES_ARM64_FLAGS = [
-    "-march=armv8-a+crypto",
-]
-
-ABSL_RANDOM_HWAES_MSVC_X64_FLAGS = [
-]
-
-ABSL_RANDOM_HWAES_X64_FLAGS = [
-    "-maes",
-    "-msse4.1",
-]
diff --git a/third_party/abseil_cpp/absl/copts/configure_copts.bzl b/third_party/abseil_cpp/absl/copts/configure_copts.bzl
deleted file mode 100644
index 4d3425444349..000000000000
--- a/third_party/abseil_cpp/absl/copts/configure_copts.bzl
+++ /dev/null
@@ -1,76 +0,0 @@
-"""absl specific copts.
-
-This file simply selects the correct options from the generated files.  To
-change Abseil copts, edit absl/copts/copts.py
-"""
-
-load(
-    "//absl:copts/GENERATED_copts.bzl",
-    "ABSL_CLANG_CL_FLAGS",
-    "ABSL_CLANG_CL_TEST_FLAGS",
-    "ABSL_GCC_FLAGS",
-    "ABSL_GCC_TEST_FLAGS",
-    "ABSL_LLVM_FLAGS",
-    "ABSL_LLVM_TEST_FLAGS",
-    "ABSL_MSVC_FLAGS",
-    "ABSL_MSVC_LINKOPTS",
-    "ABSL_MSVC_TEST_FLAGS",
-    "ABSL_RANDOM_HWAES_ARM32_FLAGS",
-    "ABSL_RANDOM_HWAES_ARM64_FLAGS",
-    "ABSL_RANDOM_HWAES_MSVC_X64_FLAGS",
-    "ABSL_RANDOM_HWAES_X64_FLAGS",
-)
-
-ABSL_DEFAULT_COPTS = select({
-    "//absl:windows": ABSL_MSVC_FLAGS,
-    "//absl:clang_compiler": ABSL_LLVM_FLAGS,
-    "//conditions:default": ABSL_GCC_FLAGS,
-})
-
-ABSL_TEST_COPTS = ABSL_DEFAULT_COPTS + select({
-    "//absl:windows": ABSL_MSVC_TEST_FLAGS,
-    "//absl:clang_compiler": ABSL_LLVM_TEST_FLAGS,
-    "//conditions:default": ABSL_GCC_TEST_FLAGS,
-})
-
-ABSL_DEFAULT_LINKOPTS = select({
-    "//absl:windows": ABSL_MSVC_LINKOPTS,
-    "//conditions:default": [],
-})
-
-# ABSL_RANDOM_RANDEN_COPTS blaze copts flags which are required by each
-# environment to build an accelerated RandenHwAes library.
-ABSL_RANDOM_RANDEN_COPTS = select({
-    # APPLE
-    ":cpu_darwin_x86_64": ABSL_RANDOM_HWAES_X64_FLAGS,
-    ":cpu_darwin": ABSL_RANDOM_HWAES_X64_FLAGS,
-    ":cpu_x64_windows_msvc": ABSL_RANDOM_HWAES_MSVC_X64_FLAGS,
-    ":cpu_x64_windows": ABSL_RANDOM_HWAES_MSVC_X64_FLAGS,
-    ":cpu_k8": ABSL_RANDOM_HWAES_X64_FLAGS,
-    ":cpu_ppc": ["-mcrypto"],
-
-    # Supported by default or unsupported.
-    "//conditions:default": [],
-})
-
-# absl_random_randen_copts_init:
-#  Initialize the config targets based on cpu, os, etc. used to select
-#  the required values for ABSL_RANDOM_RANDEN_COPTS
-def absl_random_randen_copts_init():
-    """Initialize the config_settings used by ABSL_RANDOM_RANDEN_COPTS."""
-
-    # CPU configs.
-    # These configs have consistent flags to enable HWAES intsructions.
-    cpu_configs = [
-        "ppc",
-        "k8",
-        "darwin_x86_64",
-        "darwin",
-        "x64_windows_msvc",
-        "x64_windows",
-    ]
-    for cpu in cpu_configs:
-        native.config_setting(
-            name = "cpu_%s" % cpu,
-            values = {"cpu": cpu},
-        )
diff --git a/third_party/abseil_cpp/absl/copts/copts.py b/third_party/abseil_cpp/absl/copts/copts.py
deleted file mode 100644
index cf52981c58cc..000000000000
--- a/third_party/abseil_cpp/absl/copts/copts.py
+++ /dev/null
@@ -1,162 +0,0 @@
-"""Abseil compiler options.
-
-This is the source of truth for Abseil compiler options.  To modify Abseil
-compilation options:
-
-  (1) Edit the appropriate list in this file based on the platform the flag is
-      needed on.
-  (2) Run `<path_to_absl>/copts/generate_copts.py`.
-
-The generated copts are consumed by configure_copts.bzl and
-AbseilConfigureCopts.cmake.
-"""
-
-# /Wall with msvc includes unhelpful warnings such as C4711, C4710, ...
-MSVC_BIG_WARNING_FLAGS = [
-    "/W3",
-]
-
-LLVM_TEST_DISABLE_WARNINGS_FLAGS = [
-    "-Wno-c99-extensions",
-    "-Wno-deprecated-declarations",
-    "-Wno-missing-noreturn",
-    "-Wno-missing-prototypes",
-    "-Wno-missing-variable-declarations",
-    "-Wno-null-conversion",
-    "-Wno-shadow",
-    "-Wno-shift-sign-overflow",
-    "-Wno-sign-compare",
-    "-Wno-unused-function",
-    "-Wno-unused-member-function",
-    "-Wno-unused-parameter",
-    "-Wno-unused-private-field",
-    "-Wno-unused-template",
-    "-Wno-used-but-marked-unused",
-    "-Wno-zero-as-null-pointer-constant",
-    # gtest depends on this GNU extension being offered.
-    "-Wno-gnu-zero-variadic-macro-arguments",
-]
-
-MSVC_DEFINES = [
-    "/DNOMINMAX",  # Don't define min and max macros (windows.h)
-    # Don't bloat namespace with incompatible winsock versions.
-    "/DWIN32_LEAN_AND_MEAN",
-    # Don't warn about usage of insecure C functions.
-    "/D_CRT_SECURE_NO_WARNINGS",
-    "/D_SCL_SECURE_NO_WARNINGS",
-    # Introduced in VS 2017 15.8, allow overaligned types in aligned_storage
-    "/D_ENABLE_EXTENDED_ALIGNED_STORAGE",
-]
-
-COPT_VARS = {
-    "ABSL_GCC_FLAGS": [
-        "-Wall",
-        "-Wextra",
-        "-Wcast-qual",
-        "-Wconversion-null",
-        "-Wformat-security",
-        "-Wmissing-declarations",
-        "-Woverlength-strings",
-        "-Wpointer-arith",
-        "-Wundef",
-        "-Wunused-local-typedefs",
-        "-Wunused-result",
-        "-Wvarargs",
-        "-Wvla",  # variable-length array
-        "-Wwrite-strings",
-        # Don't define min and max macros (Build on Windows using gcc)
-        "-DNOMINMAX",
-    ],
-    "ABSL_GCC_TEST_FLAGS": [
-        "-Wno-conversion-null",
-        "-Wno-deprecated-declarations",
-        "-Wno-missing-declarations",
-        "-Wno-sign-compare",
-        "-Wno-unused-function",
-        "-Wno-unused-parameter",
-        "-Wno-unused-private-field",
-    ],
-    "ABSL_LLVM_FLAGS": [
-        "-Wall",
-        "-Wextra",
-        "-Wcast-qual",
-        "-Wconversion",
-        "-Wfloat-overflow-conversion",
-        "-Wfloat-zero-conversion",
-        "-Wfor-loop-analysis",
-        "-Wformat-security",
-        "-Wgnu-redeclared-enum",
-        "-Winfinite-recursion",
-        "-Wliteral-conversion",
-        "-Wmissing-declarations",
-        "-Woverlength-strings",
-        "-Wpointer-arith",
-        "-Wself-assign",
-        "-Wshadow",
-        "-Wstring-conversion",
-        "-Wtautological-overlap-compare",
-        "-Wundef",
-        "-Wuninitialized",
-        "-Wunreachable-code",
-        "-Wunused-comparison",
-        "-Wunused-local-typedefs",
-        "-Wunused-result",
-        "-Wvla",
-        "-Wwrite-strings",
-        # Warnings that are enabled by group warning flags like -Wall that we
-        # explicitly disable.
-        "-Wno-float-conversion",
-        "-Wno-implicit-float-conversion",
-        "-Wno-implicit-int-float-conversion",
-        "-Wno-implicit-int-conversion",
-        "-Wno-shorten-64-to-32",
-        "-Wno-sign-conversion",
-        # Don't define min and max macros (Build on Windows using clang)
-        "-DNOMINMAX",
-    ],
-    "ABSL_LLVM_TEST_FLAGS":
-        LLVM_TEST_DISABLE_WARNINGS_FLAGS,
-    "ABSL_CLANG_CL_FLAGS":
-        (MSVC_BIG_WARNING_FLAGS + MSVC_DEFINES),
-    "ABSL_CLANG_CL_TEST_FLAGS":
-        LLVM_TEST_DISABLE_WARNINGS_FLAGS,
-    "ABSL_MSVC_FLAGS":
-        MSVC_BIG_WARNING_FLAGS + MSVC_DEFINES + [
-            # Increase the number of sections available in object files
-            "/bigobj",
-            "/wd4005",  # macro-redefinition
-            "/wd4068",  # unknown pragma
-            # qualifier applied to function type has no meaning; ignored
-            "/wd4180",
-            # conversion from 'type1' to 'type2', possible loss of data
-            "/wd4244",
-            # conversion from 'size_t' to 'type', possible loss of data
-            "/wd4267",
-            # The decorated name was longer than the compiler limit
-            "/wd4503",
-            # forcing value to bool 'true' or 'false' (performance warning)
-            "/wd4800",
-        ],
-    "ABSL_MSVC_TEST_FLAGS": [
-        "/wd4018",  # signed/unsigned mismatch
-        "/wd4101",  # unreferenced local variable
-        "/wd4503",  # decorated name length exceeded, name was truncated
-        "/wd4996",  # use of deprecated symbol
-        "/DNOMINMAX",  # disable the min() and max() macros from <windows.h>
-    ],
-    "ABSL_MSVC_LINKOPTS": [
-        # Object file doesn't export any previously undefined symbols
-        "-ignore:4221",
-    ],
-    # "HWAES" is an abbreviation for "hardware AES" (AES - Advanced Encryption
-    # Standard). These flags are used for detecting whether or not the target
-    # architecture has hardware support for AES instructions which can be used
-    # to improve performance of some random bit generators.
-    "ABSL_RANDOM_HWAES_ARM64_FLAGS": ["-march=armv8-a+crypto"],
-    "ABSL_RANDOM_HWAES_ARM32_FLAGS": ["-mfpu=neon"],
-    "ABSL_RANDOM_HWAES_X64_FLAGS": [
-        "-maes",
-        "-msse4.1",
-    ],
-    "ABSL_RANDOM_HWAES_MSVC_X64_FLAGS": [],
-}
diff --git a/third_party/abseil_cpp/absl/copts/generate_copts.py b/third_party/abseil_cpp/absl/copts/generate_copts.py
deleted file mode 100755
index 0e5dc9fad295..000000000000
--- a/third_party/abseil_cpp/absl/copts/generate_copts.py
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/usr/bin/python
-"""Generate Abseil compile compile option configs.
-
-Usage: <path_to_absl>/copts/generate_copts.py
-
-The configs are generated from copts.py.
-"""
-
-from os import path
-import sys
-from copts import COPT_VARS
-
-
-# Helper functions
-def file_header_lines():
-  return [
-      "GENERATED! DO NOT MANUALLY EDIT THIS FILE.", "",
-      "(1) Edit absl/copts/copts.py.",
-      "(2) Run `python <path_to_absl>/copts/generate_copts.py`."
-  ]
-
-
-def flatten(*lists):
-  return [item for sublist in lists for item in sublist]
-
-
-def relative_filename(filename):
-  return path.join(path.dirname(__file__), filename)
-
-
-# Style classes.  These contain all the syntactic styling needed to generate a
-# copt file for different build tools.
-class CMakeStyle(object):
-  """Style object for CMake copts file."""
-
-  def separator(self):
-    return ""
-
-  def list_introducer(self, name):
-    return "list(APPEND " + name
-
-  def list_closer(self):
-    return ")\n"
-
-  def docstring(self):
-    return "\n".join((("# " + line).strip() for line in file_header_lines()))
-
-  def filename(self):
-    return "GENERATED_AbseilCopts.cmake"
-
-
-class StarlarkStyle(object):
-  """Style object for Starlark copts file."""
-
-  def separator(self):
-    return ","
-
-  def list_introducer(self, name):
-    return name + " = ["
-
-  def list_closer(self):
-    return "]\n"
-
-  def docstring(self):
-    docstring_quotes = "\"\"\""
-    return docstring_quotes + "\n".join(
-        flatten(file_header_lines(), [docstring_quotes]))
-
-  def filename(self):
-    return "GENERATED_copts.bzl"
-
-
-def copt_list(name, arg_list, style):
-  """Copt file generation."""
-
-  make_line = lambda s: "    \"" + s + "\"" + style.separator()
-  external_str_list = [make_line(s) for s in arg_list]
-
-  return "\n".join(
-      flatten(
-          [style.list_introducer(name)],
-          external_str_list,
-          [style.list_closer()]))
-
-
-def generate_copt_file(style):
-  """Creates a generated copt file using the given style object.
-
-  Args:
-    style: either StarlarkStyle() or CMakeStyle()
-  """
-  with open(relative_filename(style.filename()), "w") as f:
-    f.write(style.docstring())
-    f.write("\n")
-    for var_name, arg_list in sorted(COPT_VARS.items()):
-      f.write("\n")
-      f.write(copt_list(var_name, arg_list, style))
-
-
-def main(argv):
-  if len(argv) > 1:
-    raise RuntimeError("generate_copts needs no command line args")
-
-  generate_copt_file(StarlarkStyle())
-  generate_copt_file(CMakeStyle())
-
-
-if __name__ == "__main__":
-  main(sys.argv)