Update to abseil-cpp 20250512.1

CMake/AbseilDll.cmake

@@ -10,6 +10,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/config.h"
   "base/const_init.h"
   "base/dynamic_annotations.h"
+  "base/fast_type_id.h"
   "base/internal/atomic_hook.h"
   "base/internal/cycleclock.cc"
   "base/internal/cycleclock.h"
@@ -18,15 +19,13 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/internal/dynamic_annotations.h"
   "base/internal/endian.h"
   "base/internal/errno_saver.h"
-  "base/internal/fast_type_id.h"
   "base/internal/hide_ptr.h"
   "base/internal/identity.h"
-  "base/internal/invoke.h"
-  "base/internal/inline_variable.h"
+  "base/internal/iterator_traits.h"
   "base/internal/low_level_alloc.cc"
   "base/internal/low_level_alloc.h"
   "base/internal/low_level_scheduling.h"
-  "base/internal/nullability_impl.h"
+  "base/internal/nullability_deprecated.h"
   "base/internal/per_thread_tls.h"
   "base/internal/poison.cc"
   "base/internal/poison.h"
@@ -83,6 +82,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "container/internal/container_memory.h"
   "container/internal/hash_function_defaults.h"
   "container/internal/hash_policy_traits.h"
+  "container/internal/hashtable_control_bytes.h"
   "container/internal/hashtable_debug.h"
   "container/internal/hashtable_debug_hooks.h"
   "container/internal/hashtablez_sampler.cc"
@@ -94,6 +94,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "container/internal/raw_hash_map.h"
   "container/internal/raw_hash_set.cc"
   "container/internal/raw_hash_set.h"
+  "container/internal/raw_hash_set_resize_impl.h"
   "container/internal/tracked.h"
   "container/node_hash_map.h"
   "container/node_hash_set.h"
@@ -126,6 +127,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "debugging/symbolize.h"
   "debugging/internal/address_is_readable.cc"
   "debugging/internal/address_is_readable.h"
+  "debugging/internal/addresses.h"
   "debugging/internal/bounded_utf8_length_sequence.h"
   "debugging/internal/decode_rust_punycode.cc"
   "debugging/internal/decode_rust_punycode.h"
@@ -160,6 +162,7 @@ set(ABSL_INTERNAL_DLL_FILES
   "hash/internal/spy_hash_state.h"
   "hash/internal/low_level_hash.h"
   "hash/internal/low_level_hash.cc"
+  "hash/internal/weakly_mixed_integer.h"
   "log/absl_check.h"
   "log/absl_log.h"
   "log/absl_vlog_is_on.h"
@@ -201,7 +204,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "log/initialize.cc"
   "log/initialize.h"
   "log/log.h"
-  "log/log_entry.cc"
   "log/log_entry.h"
   "log/log_sink.cc"
   "log/log_sink.h"
@@ -238,8 +240,8 @@ set(ABSL_INTERNAL_DLL_FILES
   "random/internal/nonsecure_base.h"
   "random/internal/pcg_engine.h"
   "random/internal/platform.h"
-  "random/internal/pool_urbg.cc"
-  "random/internal/pool_urbg.h"
+  "random/internal/entropy_pool.cc"
+  "random/internal/entropy_pool.h"
   "random/internal/randen.cc"
   "random/internal/randen.h"
   "random/internal/randen_detect.cc"
@@ -286,7 +288,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "strings/cord.h"
   "strings/cord_analysis.cc"
   "strings/cord_analysis.h"
-  "strings/cord_buffer.cc"
   "strings/cord_buffer.h"
   "strings/escaping.cc"
   "strings/escaping.h"
@@ -432,20 +433,11 @@ set(ABSL_INTERNAL_DLL_FILES
   "time/internal/cctz/src/tzfile.h"
   "time/internal/cctz/src/zone_info_source.cc"
   "types/any.h"
-  "types/bad_any_cast.cc"
-  "types/bad_any_cast.h"
-  "types/bad_optional_access.cc"
-  "types/bad_optional_access.h"
-  "types/bad_variant_access.cc"
-  "types/bad_variant_access.h"
   "types/compare.h"
-  "types/internal/variant.h"
   "types/optional.h"
-  "types/internal/optional.h"
   "types/span.h"
   "types/internal/span.h"
   "types/variant.h"
-  "utility/internal/if_constexpr.h"
   "utility/utility.h"
   "debugging/leak_check.cc"
 )
@@ -496,10 +488,6 @@ set(ABSL_INTERNAL_DLL_TARGETS
   "any"
   "any_invocable"
   "atomic_hook"
-  "bad_any_cast"
-  "bad_any_cast_impl"
-  "bad_optional_access"
-  "bad_variant_access"
   "base"
   "base_internal"
   "bind_front"
@@ -731,10 +719,8 @@ int main() { return 0; }
 
 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)
+  set(ABSL_INTERNAL_CXX_STD_FEATURE cxx_std_17)
 endif()
 
 function(absl_internal_dll_contains)
@@ -899,7 +885,7 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
   )
 
   if(ABSL_PROPAGATE_CXX_STD)
-    # Abseil libraries require C++14 as the current minimum standard. When
+    # Abseil libraries require C++17 as the current minimum standard. When
     # 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})

CMake/AbseilHelpers.cmake

@@ -301,7 +301,7 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
     endif()
 
     if(ABSL_PROPAGATE_CXX_STD)
-      # Abseil libraries require C++14 as the current minimum standard. When
+      # Abseil libraries require C++17 as the current minimum standard. When
       # 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 ${ABSL_INTERNAL_CXX_STD_FEATURE})
@@ -338,7 +338,7 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
     target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})
 
     if(ABSL_PROPAGATE_CXX_STD)
-      # Abseil libraries require C++14 as the current minimum standard.
+      # Abseil libraries require C++17 as the current minimum standard.
       # Top-level application CMake projects should ensure a consistent C++
       # standard for all compiled sources by setting CMAKE_CXX_STANDARD.
       target_compile_features(${_NAME} INTERFACE ${ABSL_INTERNAL_CXX_STD_FEATURE})
@@ -450,7 +450,7 @@ function(absl_cc_test)
   set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
 
   if(ABSL_PROPAGATE_CXX_STD)
-    # Abseil libraries require C++14 as the current minimum standard.
+    # Abseil libraries require C++17 as the current minimum standard.
     # Top-level application CMake projects should ensure a consistent C++
     # standard for all compiled sources by setting CMAKE_CXX_STANDARD.
     target_compile_features(${_NAME} PUBLIC ${ABSL_INTERNAL_CXX_STD_FEATURE})

CMake/README.md

@@ -43,8 +43,8 @@ cmake_minimum_required(VERSION 3.16)
 project(my_app_project)
 
 # Pick the C++ standard to compile with.
-# Abseil currently supports C++14, C++17, and C++20.
-set(CMAKE_CXX_STANDARD 14)
+# Abseil currently supports C++17 and C++20.
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 add_subdirectory(abseil-cpp)

CMakeLists.txt

@@ -23,8 +23,8 @@ if (POLICY CMP0141)
   cmake_policy(SET CMP0141 NEW)
 endif (POLICY CMP0141)
 
-project(absl LANGUAGES CXX VERSION 20250127)
-set(ABSL_SOVERSION "2501.0.0")
+project(absl LANGUAGES CXX VERSION 20250512)
+set(ABSL_SOVERSION "2505.0.0")
 include(CTest)
 
 # Output directory is correct by default for most build setups. However, when
@@ -46,7 +46,7 @@ set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON)
 set(CMAKE_BUILD_RPATH_USE_ORIGIN ON)
 
 option(ABSL_PROPAGATE_CXX_STD
-  "Use CMake C++ standard meta features (e.g. cxx_std_14) that propagate to targets that link to Abseil"
+  "Use CMake C++ standard meta features (e.g. cxx_std_17) that propagate to targets that link to Abseil"
   ON)
 
 option(ABSL_USE_SYSTEM_INCLUDES

MODULE.bazel

@@ -16,7 +16,7 @@
 
 module(
     name = "abseil-cpp",
-    version = "20250127.1",
+    version = "20250512.1",
     compatibility_level = 1,
 )
 
@@ -25,22 +25,19 @@ cc_configure = use_extension("@rules_cc//cc:extensions.bzl",
                              dev_dependency = True)
 use_repo(cc_configure, "local_config_cc")
 
-# Only direct dependencies need to be listed below.
-# Please keep the versions in sync with the versions in the WORKSPACE file.
-
-bazel_dep(name = "rules_cc", version = "0.0.17")
+bazel_dep(name = "rules_cc", version = "0.1.1")
 bazel_dep(name = "bazel_skylib", version = "1.7.1")
-bazel_dep(name = "platforms", version = "0.0.10")
+bazel_dep(name = "platforms", version = "0.0.11")
 
 bazel_dep(
     name = "google_benchmark",
-    version = "1.8.5",
+    version = "1.9.2",
     dev_dependency = True,
 )
 
 # Note: Googletest is NOT a dev_dependency. Some Abseil test utilities
 # intended to be used by Abseil users depend on GoogleTest.
 bazel_dep(
     name = "googletest",
-    version = "1.15.2",
+    version = "1.17.0",
 )

README.md

@@ -1,7 +1,7 @@
 # Abseil - C++ Common Libraries
 
 The repository contains the Abseil C++ library code. Abseil is an open-source
-collection of C++ code (compliant to C++14) designed to augment the C++
+collection of C++ code (compliant to C++17) designed to augment the C++
 standard library.
 
 ## Table of Contents
@@ -99,24 +99,23 @@ Abseil contains the following C++ library components:
   <br /> The `memory` library contains memory management facilities that augment
   C++'s `<memory>` library.
 * [`meta`](absl/meta/)
-  <br /> The `meta` library contains compatible versions of type checks
-  available within C++14 and C++17 versions of the C++ `<type_traits>` library.
+  <br /> The `meta` library contains type checks
+  similar to those available in the C++ `<type_traits>` library.
 * [`numeric`](absl/numeric/)
   <br /> The `numeric` library contains 128-bit integer types as well as
   implementations of C++20's bitwise math functions.
 * [`profiling`](absl/profiling/)
   <br /> The `profiling` library contains utility code for profiling C++
   entities.  It is currently a private dependency of other Abseil libraries.
 * [`random`](absl/random/)
-  <br /> The `random` library contains functions for generating psuedorandom
+  <br /> The `random` library contains functions for generating pseudorandom
   values.
 * [`status`](absl/status/)
   <br /> The `status` library contains abstractions for error handling,
   specifically `absl::Status` and `absl::StatusOr<T>`.
 * [`strings`](absl/strings/)
   <br /> The `strings` library contains a variety of strings routines and
-  utilities, including a C++14-compatible version of the C++17
-  `std::string_view` type.
+  utilities.
 * [`synchronization`](absl/synchronization/)
   <br /> The `synchronization` library contains concurrency primitives (Abseil's
   `absl::Mutex` class, an alternative to `std::mutex`) and a variety of
@@ -126,8 +125,7 @@ Abseil contains the following C++ library components:
   points in time, durations of time, and formatting and parsing time within
   time zones.
 * [`types`](absl/types/)
-  <br /> The `types` library contains non-container utility types, like a
-  C++14-compatible version of the C++17 `std::optional` type.
+  <br /> The `types` library contains non-container utility types.
 * [`utility`](absl/utility/)
   <br /> The `utility` library contains utility and helper code.
 

absl/abseil.podspec.gen.py

@@ -43,10 +43,11 @@
     'USE_HEADERMAP' => 'NO',
     'ALWAYS_SEARCH_USER_PATHS' => 'NO',
   }
-  s.ios.deployment_target = '9.0'
-  s.osx.deployment_target = '10.11'
-  s.tvos.deployment_target = '9.0'
-  s.watchos.deployment_target = '2.0'
+  s.ios.deployment_target = '12.0'
+  s.osx.deployment_target = '10.13'
+  s.tvos.deployment_target = '12.0'
+  s.watchos.deployment_target = '4.0'
+  s.visionos.deployment_target = '1.0'
   s.subspec 'xcprivacy' do |ss|
     ss.resource_bundles = {
       ss.module_name => 'PrivacyInfo.xcprivacy',

absl/algorithm/container.h

@@ -44,7 +44,6 @@
 #include <cassert>
 #include <iterator>
 #include <numeric>
-#include <random>
 #include <type_traits>
 #include <unordered_map>
 #include <unordered_set>
@@ -76,8 +75,8 @@ using ContainerIter = decltype(begin(std::declval<C&>()));
 // An MSVC bug involving template parameter substitution requires us to use
 // decltype() here instead of just std::pair.
 template <typename C1, typename C2>
-using ContainerIterPairType =
-    decltype(std::make_pair(ContainerIter<C1>(), ContainerIter<C2>()));
+using ContainerIterPairType = decltype(std::make_pair(
+    std::declval<ContainerIter<C1>>(), std::declval<ContainerIter<C2>>()));
 
 template <typename C>
 using ContainerDifferenceType = decltype(std::distance(
@@ -847,25 +846,9 @@ template <typename C, typename OutputIterator, typename Distance,
           typename UniformRandomBitGenerator>
 OutputIterator c_sample(const C& c, OutputIterator result, Distance n,
                         UniformRandomBitGenerator&& gen) {
-#if defined(__cpp_lib_sample) && __cpp_lib_sample >= 201603L
   return std::sample(container_algorithm_internal::c_begin(c),
                      container_algorithm_internal::c_end(c), result, n,
                      std::forward<UniformRandomBitGenerator>(gen));
-#else
-  // Fall back to a stable selection-sampling implementation.
-  auto first = container_algorithm_internal::c_begin(c);
-  Distance unsampled_elements = c_distance(c);
-  n = (std::min)(n, unsampled_elements);
-  for (; n != 0; ++first) {
-    Distance r =
-        std::uniform_int_distribution<Distance>(0, --unsampled_elements)(gen);
-    if (r < n) {
-      *result++ = *first;
-      --n;
-    }
-  }
-  return result;
-#endif
 }
 
 //------------------------------------------------------------------------------