dependency: bump abseil-cpp to 20260107.1

Author: Mizux

cmake/dependencies/CMakeLists.txt

@@ -36,11 +36,11 @@ if(BUILD_absl)
   FetchContent_Declare(
     absl
     GIT_REPOSITORY "https://github.com/abseil/abseil-cpp.git"
-    GIT_TAG "20250814.1"
+    GIT_TAG "20260107.1"
     GIT_SHALLOW TRUE
     UPDATE_COMMAND git reset --hard
     PATCH_COMMAND git apply --ignore-whitespace
-    "${CMAKE_CURRENT_LIST_DIR}/../../patches/abseil-cpp-20250814.1.patch"
+    "${CMAKE_CURRENT_LIST_DIR}/../../patches/abseil-cpp-20260107.1.patch"
     OVERRIDE_FIND_PACKAGE
   )
   set(ABSL_USE_SYSTEM_INCLUDES ON)

patches/abseil-cpp-20250814.1.patch

@@ -0,0 +1,38 @@
+diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
+index 61e1ae4..3e6ec94 100644
+--- a/CMake/AbseilHelpers.cmake
++++ b/CMake/AbseilHelpers.cmake
+@@ -350,7 +350,7 @@ Cflags: -I\${includedir}${PC_CFLAGS}\n")
+     endif()
+   endif()
+ 
+-  if(ABSL_ENABLE_INSTALL)
++  if(ABSL_ENABLE_INSTALL AND NOT ABSL_CC_LIB_TESTONLY)
+     install(TARGETS ${_NAME} EXPORT ${PROJECT_NAME}Targets
+           RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+           LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 26dc8e7..cd4fef1 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -145,7 +145,7 @@ if((BUILD_TESTING AND ABSL_BUILD_TESTING) OR ABSL_BUILD_TEST_HELPERS)
+         add_library(GTest::gmock ALIAS gmock)
+         add_library(GTest::gmock_main ALIAS gmock_main)
+       else()
+-        message(FATAL_ERROR "ABSL_USE_EXTERNAL_GOOGLETEST is ON and ABSL_FIND_GOOGLETEST is OFF, which means that the top-level project must build the Google Test project. However, the target gtest was not found.")
++        message(WARNING "ABSL_USE_EXTERNAL_GOOGLETEST is ON and ABSL_FIND_GOOGLETEST is OFF, which means that the top-level project must build the Google Test project. However, the target gtest was not found.")
+       endif()
+     endif()
+   else()
+diff --git a/absl/container/CMakeLists.txt b/absl/container/CMakeLists.txt
+index 365c6ea..d12e585 100644
+--- a/absl/container/CMakeLists.txt
++++ b/absl/container/CMakeLists.txt
+@@ -1119,6 +1119,7 @@ absl_cc_library(
+     absl::config
+     absl::test_instance_tracker
+     GTest::gmock
++  TESTONLY
+ )
+ 
+ absl_cc_library(