Import abseil-cpp source tag 20240116.1 (#22)

* Import abseil-cpp source tag 20240116.1

* Fix nested redundant include for int128.h

CMake/AbseilDll.cmake

@@ -28,7 +28,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/internal/low_level_scheduling.h"
   "base/internal/nullability_impl.h"
   "base/internal/per_thread_tls.h"
-  "base/internal/prefetch.h"
   "base/prefetch.h"
   "base/internal/pretty_function.h"
   "base/internal/raw_logging.cc"
@@ -44,7 +43,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/internal/spinlock_wait.h"
   "base/internal/sysinfo.cc"
   "base/internal/sysinfo.h"
-  "base/internal/thread_annotations.h"
   "base/internal/thread_identity.cc"
   "base/internal/thread_identity.h"
   "base/internal/throw_delegate.cc"
@@ -57,6 +55,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/log_severity.cc"
   "base/log_severity.h"
   "base/macros.h"
+  "base/no_destructor.h"
   "base/nullability.h"
   "base/optimization.h"
   "base/options.h"
@@ -77,7 +76,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "container/internal/common_policy_traits.h"
   "container/internal/compressed_tuple.h"
   "container/internal/container_memory.h"
-  "container/internal/counting_allocator.h"
   "container/internal/hash_function_defaults.h"
   "container/internal/hash_policy_traits.h"
   "container/internal/hashtable_debug.h"
@@ -109,7 +107,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "crc/internal/crc_x86_arm_combined.cc"
   "crc/internal/crc_memcpy_fallback.cc"
   "crc/internal/crc_memcpy.h"
-  "crc/internal/crc_memcpy_x86_64.cc"
+  "crc/internal/crc_memcpy_x86_arm_combined.cc"
   "crc/internal/crc_non_temporal_memcpy.cc"
   "crc/internal/crc_x86_arm_combined.cc"
   "crc/internal/non_temporal_arm_intrinsics.h"
@@ -141,6 +139,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "functional/function_ref.h"
   "functional/internal/any_invocable.h"
   "functional/internal/function_ref.h"
+  "functional/overload.h"
   "hash/hash.h"
   "hash/internal/city.h"
   "hash/internal/city.cc"
@@ -151,6 +150,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "hash/internal/low_level_hash.cc"
   "log/absl_check.h"
   "log/absl_log.h"
+  "log/absl_vlog_is_on.h"
   "log/check.h"
   "log/die_if_null.cc"
   "log/die_if_null.h"
@@ -163,6 +163,8 @@ set(ABSL_INTERNAL_DLL_FILES
   "log/internal/conditions.cc"
   "log/internal/conditions.h"
   "log/internal/config.h"
+  "log/internal/fnmatch.h"
+  "log/internal/fnmatch.cc"
   "log/internal/globals.cc"
   "log/internal/globals.h"
   "log/internal/log_format.cc"
@@ -179,6 +181,8 @@ set(ABSL_INTERNAL_DLL_FILES
   "log/internal/proto.cc"
   "log/internal/strip.h"
   "log/internal/structured.h"
+  "log/internal/vlog_config.cc"
+  "log/internal/vlog_config.h"
   "log/internal/voidify.h"
   "log/initialize.cc"
   "log/initialize.h"
@@ -190,6 +194,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "log/log_sink_registry.h"
   "log/log_streamer.h"
   "log/structured.h"
+  "log/vlog_is_on.h"
   "memory/memory.h"
   "meta/type_traits.h"
   "numeric/bits.h"
@@ -250,6 +255,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "random/uniform_real_distribution.h"
   "random/zipf_distribution.h"
   "status/internal/status_internal.h"
+  "status/internal/status_internal.cc"
   "status/internal/statusor_internal.h"
   "status/status.h"
   "status/status.cc"
@@ -261,6 +267,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "strings/ascii.h"
   "strings/charconv.cc"
   "strings/charconv.h"
+  "strings/charset.h"
   "strings/cord.cc"
   "strings/cord.h"
   "strings/cord_analysis.cc"
@@ -287,9 +294,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "strings/internal/cord_rep_consume.h"
   "strings/internal/cord_rep_consume.cc"
   "strings/internal/cord_rep_flat.h"
-  "strings/internal/cord_rep_ring.cc"
-  "strings/internal/cord_rep_ring.h"
-  "strings/internal/cord_rep_ring_reader.h"
   "strings/internal/cordz_functions.cc"
   "strings/internal/cordz_functions.h"
   "strings/internal/cordz_handle.cc"
@@ -308,6 +312,8 @@ set(ABSL_INTERNAL_DLL_FILES
   "strings/internal/stringify_sink.h"
   "strings/internal/stringify_sink.cc"
   "strings/internal/has_absl_stringify.h"
+  "strings/has_absl_stringify.h"
+  "strings/has_ostream_operator.h"
   "strings/match.cc"
   "strings/match.h"
   "strings/numbers.cc"
@@ -325,7 +331,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "strings/strip.h"
   "strings/substitute.cc"
   "strings/substitute.h"
-  "strings/internal/char_map.h"
   "strings/internal/escaping.h"
   "strings/internal/escaping.cc"
   "strings/internal/memutil.cc"
@@ -421,11 +426,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "types/bad_variant_access.cc"
   "types/bad_variant_access.h"
   "types/compare.h"
-  "types/internal/conformance_aliases.h"
-  "types/internal/conformance_archetype.h"
-  "types/internal/conformance_profile.h"
-  "types/internal/parentheses.h"
-  "types/internal/transform_args.h"
   "types/internal/variant.h"
   "types/optional.h"
   "types/internal/optional.h"
@@ -627,17 +627,32 @@ include(CheckCXXSourceCompiles)
 check_cxx_source_compiles(
   [==[
 #ifdef _MSC_VER
-#  if _MSVC_LANG < 201700L
+#  if _MSVC_LANG < 201703L
 #    error "The compiler defaults or is configured for C++ < 17"
 #  endif
-#elif __cplusplus < 201700L
+#elif __cplusplus < 201703L
 #  error "The compiler defaults or is configured for C++ < 17"
 #endif
 int main() { return 0; }
 ]==]
   ABSL_INTERNAL_AT_LEAST_CXX17)
 
-if(ABSL_INTERNAL_AT_LEAST_CXX17)
+check_cxx_source_compiles(
+  [==[
+#ifdef _MSC_VER
+#  if _MSVC_LANG < 202002L
+#    error "The compiler defaults or is configured for C++ < 20"
+#  endif
+#elif __cplusplus < 202002L
+#  error "The compiler defaults or is configured for C++ < 20"
+#endif
+int main() { return 0; }
+]==]
+  ABSL_INTERNAL_AT_LEAST_CXX20)
+
+if(ABSL_INTERNAL_AT_LEAST_CXX20)
+  set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_20)
+elseif(ABSL_INTERNAL_AT_LEAST_CXX17)
   set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_17)
 else()
   set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_14)
@@ -807,8 +822,8 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
 
   if(ABSL_PROPAGATE_CXX_STD)
     # Abseil libraries require C++14 as the current minimum standard. When
-    # compiled with C++17 (either because it is the compiler's default or
-    # explicitly requested), then Abseil requires C++17.
+    # compiled with a higher minimum (either because it is the compiler's
+    # default or explicitly requested), then Abseil requires that standard.
     target_compile_features(${_dll} PUBLIC ${ABSL_INTERNAL_CXX_STD_FEATURE})
   endif()
 

CMake/AbseilHelpers.cmake

@@ -80,7 +80,7 @@ endif()
 #     absl::fantastic_lib
 # )
 #
-# TODO: Implement "ALWAYSLINK"
+# TODO(b/320467376): Implement "ALWAYSLINK".
 function(absl_cc_library)
   cmake_parse_arguments(ABSL_CC_LIB
     "DISABLE_INSTALL;PUBLIC;TESTONLY"
@@ -287,8 +287,8 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
 
     if(ABSL_PROPAGATE_CXX_STD)
       # Abseil libraries require C++14 as the current minimum standard. When
-      # compiled with C++17 (either because it is the compiler's default or
-      # explicitly requested), then Abseil requires C++17.
+      # compiled with a higher standard (either because it is the compiler's
+      # default or explicitly requested), then Abseil requires that standard.
       target_compile_features(${_NAME} PUBLIC ${ABSL_INTERNAL_CXX_STD_FEATURE})
     endif()
 
@@ -298,7 +298,7 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
     if(ABSL_ENABLE_INSTALL)
       set_target_properties(${_NAME} PROPERTIES
         OUTPUT_NAME "absl_${_NAME}"
-        SOVERSION "2308.0.0"
+        SOVERSION "2401.0.0"
       )
     endif()
   else()

CMakeLists.txt

@@ -33,6 +33,11 @@ if (POLICY CMP0048)
   cmake_policy(SET CMP0048 NEW)
 endif (POLICY CMP0048)
 
+# Honor the GTest_ROOT variable if specified
+if (POLICY CMP0074)
+  cmake_policy(SET CMP0074 NEW)
+endif (POLICY CMP0074)
+
 # option() honor variables
 if (POLICY CMP0077)
   cmake_policy(SET CMP0077 NEW)
@@ -53,7 +58,7 @@ if (POLICY CMP0141)
   cmake_policy(SET CMP0141 NEW)
 endif (POLICY CMP0141)
 
-project(absl LANGUAGES CXX VERSION 20230802)
+project(absl LANGUAGES CXX VERSION 20240116)
 include(CTest)
 
 # Output directory is correct by default for most build setups. However, when
@@ -221,20 +226,41 @@ if(ABSL_ENABLE_INSTALL)
       PATTERN "testdata" EXCLUDE
     )
 
+  # Rewrite options.h to use the compiled ABI.
   file(READ "absl/base/options.h" ABSL_INTERNAL_OPTIONS_H_CONTENTS)
-  if (ABSL_INTERNAL_AT_LEAST_CXX17)
-    string(REGEX REPLACE
-      "#define ABSL_OPTION_USE_STD_([^ ]*) 2"
-      "#define ABSL_OPTION_USE_STD_\\1 1"
+
+  # Handle features that require at least C++20.
+  if (ABSL_INTERNAL_AT_LEAST_CXX20)
+    foreach(FEATURE "ORDERING")
+      string(REPLACE
+      "#define ABSL_OPTION_USE_STD_${FEATURE} 2"
+      "#define ABSL_OPTION_USE_STD_${FEATURE} 1"
       ABSL_INTERNAL_OPTIONS_H_PINNED
       "${ABSL_INTERNAL_OPTIONS_H_CONTENTS}")
-  else()
-    string(REGEX REPLACE
-      "#define ABSL_OPTION_USE_STD_([^ ]*) 2"
-      "#define ABSL_OPTION_USE_STD_\\1 0"
+      set(ABSL_INTERNAL_OPTIONS_H_CONTENTS "${ABSL_INTERNAL_OPTIONS_H_PINNED}")
+    endforeach()
+  endif()
+
+  # Handle features that require at least C++17.
+  if (ABSL_INTERNAL_AT_LEAST_CXX17)
+    foreach(FEATURE "ANY" "OPTIONAL" "STRING_VIEW" "VARIANT")
+      string(REPLACE
+      "#define ABSL_OPTION_USE_STD_${FEATURE} 2"
+      "#define ABSL_OPTION_USE_STD_${FEATURE} 1"
       ABSL_INTERNAL_OPTIONS_H_PINNED
       "${ABSL_INTERNAL_OPTIONS_H_CONTENTS}")
+      set(ABSL_INTERNAL_OPTIONS_H_CONTENTS "${ABSL_INTERNAL_OPTIONS_H_PINNED}")
+    endforeach()
   endif()
+
+  # Any feature that still has the value of 2 (because it was not handled above)
+  # should be set to 0.
+  string(REGEX REPLACE
+    "#define ABSL_OPTION_USE_STD_([^ ]*) 2"
+    "#define ABSL_OPTION_USE_STD_\\1 0"
+    ABSL_INTERNAL_OPTIONS_H_PINNED
+    "${ABSL_INTERNAL_OPTIONS_H_CONTENTS}")
+
   file(WRITE "${CMAKE_BINARY_DIR}/options-pinned.h" "${ABSL_INTERNAL_OPTIONS_H_PINNED}")
 
   install(FILES "${CMAKE_BINARY_DIR}/options-pinned.h"

MODULE.bazel

@@ -0,0 +1,39 @@
+# Copyright 2024 The Abseil Authors.
+#
+# 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
+#
+#      https://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.
+
+# https://bazel.build/external/overview#bzlmod
+
+module(
+    name = "abseil-cpp",
+    version = "20240116.0",
+    compatibility_level = 1,
+)
+
+# Only direct dependencies need to be listed below.
+# Please keep the versions in sync with the versions in the WORKSPACE file.
+
+bazel_dep(name = "bazel_skylib",
+          version = "1.5.0")
+
+bazel_dep(name = "google_benchmark",
+          version = "1.8.3",
+          repo_name = "com_github_google_benchmark",
+          dev_dependency = True)
+
+bazel_dep(name = "googletest",
+          version = "1.14.0.bcr.1",
+          repo_name = "com_google_googletest")
+
+bazel_dep(name = "platforms",
+          version = "0.0.8")

PrivacyInfo.xcprivacy

@@ -2,13 +2,13 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-  <key>NSPrivacyTracking</key>
-  <false/>
-  <key>NSPrivacyCollectedDataTypes</key>
-  <array/>
-  <key>NSPrivacyTrackingDomains</key>
-  <array/>
-  <key>NSPrivacyAccessedAPITypes</key>
-  <array/>
+	<key>NSPrivacyTracking</key>
+	<false/>
+	<key>NSPrivacyCollectedDataTypes</key>
+	<array/>
+	<key>NSPrivacyTrackingDomains</key>
+	<array/>
+	<key>NSPrivacyAccessedAPITypes</key>
+	<array/>
 </dict>
 </plist>

README.md

@@ -1,14 +1,3 @@
-# Swift Package Manager copy repository
-
-This repository is a copy of https://github.com/firebase/abseil-cpp with
-the git metadata removed to provide one to two orders of magnitude increase in
-speed for Swift Package Manager usage.
-
-This repo is not supported as a direct dependency for non-Google usage.
-
-There should be no changes to this repo other than updates from its mirror
-and Swift Package Manager specific items.
-
 # Abseil - C++ Common Libraries
 
 The repository contains the Abseil C++ library code. Abseil is an open-source