Apply LTS transformations for 20230117 LTS branch (#1362)

CMake/AbseilHelpers.cmake

diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake
index e3569e9..5bb5052 100644
--- a/CMake/AbseilHelpers.cmake
+++ b/CMake/AbseilHelpers.cmake
@@ -307,7 +307,7 @@
     if(ABSL_ENABLE_INSTALL)
       set_target_properties(${_NAME} PROPERTIES
         OUTPUT_NAME "absl_${_NAME}"
-        SOVERSION 0
+        SOVERSION "2301.0.0"
       )
     endif()
   else()

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e10257..761679f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,7 +48,7 @@
   cmake_policy(SET CMP0067 NEW)
 endif (POLICY CMP0067)
 
-project(absl LANGUAGES CXX)
+project(absl LANGUAGES CXX VERSION 20230117)
 include(CTest)
 
 # Output directory is correct by default for most build setups. However, when
@@ -176,17 +176,7 @@
 add_subdirectory(absl)
 
 if(ABSL_ENABLE_INSTALL)
-  # absl:lts-remove-begin(system installation is supported for LTS releases)
-  # We don't support system-wide installation
-  list(APPEND SYSTEM_INSTALL_DIRS "/usr/local" "/usr" "/opt/" "/opt/local" "c:/Program Files/${PROJECT_NAME}")
-  if(NOT DEFINED CMAKE_INSTALL_PREFIX OR CMAKE_INSTALL_PREFIX IN_LIST SYSTEM_INSTALL_DIRS)
-    message(WARNING "\
-  The default and system-level install directories are unsupported except in LTS \
-  releases of Abseil.  Please set CMAKE_INSTALL_PREFIX to install Abseil in your \
-  source or build tree directly.\
-    ")
-  endif()
-  # absl:lts-remove-end
+  
 
   # install as a subdirectory only
   install(EXPORT ${PROJECT_NAME}Targets

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 1a05054..4069ecc 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -21,10 +21,10 @@
 # GoogleTest/GoogleMock framework. Used by most unit-tests.
 http_archive(
     name = "com_google_googletest",  # 2023-01-05T19:15:29Z
-    sha256 = "1c805208d019aabb8be3cddbc6098be8815ee5cf0a7baf526102528fd624c422",
-    strip_prefix = "googletest-934542165899c786cb5d8a710529c37184730183",
+    sha256 = "ffa17fbc5953900994e2deec164bb8949879ea09b411e07f215bfbb1f87f4632",
+    strip_prefix = "googletest-1.13.0",
     # Keep this URL in sync with ABSL_GOOGLETEST_COMMIT in ci/cmake_common.sh.
-    urls = ["https://github.com/google/googletest/archive/934542165899c786cb5d8a710529c37184730183.zip"],
+    urls = ["https://github.com/google/googletest/archive/refs/tags/v1.13.0.zip"],
 )
 
 # RE2 (the regular expression library used by GoogleTest)

absl/base/config.h

diff --git a/absl/base/config.h b/absl/base/config.h
index 1058ce7..b980d3b 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -111,8 +111,8 @@
 //
 // LTS releases can be obtained from
 // https://github.com/abseil/abseil-cpp/releases.
-#undef ABSL_LTS_RELEASE_VERSION
-#undef ABSL_LTS_RELEASE_PATCH_LEVEL
+#define ABSL_LTS_RELEASE_VERSION 20230117
+#define ABSL_LTS_RELEASE_PATCH_LEVEL 0
 
 // Helper macro to convert a CPP variable to a string literal.
 #define ABSL_INTERNAL_DO_TOKEN_STR(x) #x

absl/base/options.h

diff --git a/absl/base/options.h b/absl/base/options.h
index 5c162a3..e75d332 100644
--- a/absl/base/options.h
+++ b/absl/base/options.h
@@ -199,8 +199,8 @@
 // be changed to a new, unique identifier name.  In particular "head" is not
 // allowed.
 
-#define ABSL_OPTION_USE_INLINE_NAMESPACE 0
-#define ABSL_OPTION_INLINE_NAMESPACE_NAME head
+#define ABSL_OPTION_USE_INLINE_NAMESPACE 1
+#define ABSL_OPTION_INLINE_NAMESPACE_NAME lts_20230117
 
 // ABSL_OPTION_HARDENED
 //

ci/cmake_common.sh

diff --git a/ci/cmake_common.sh b/ci/cmake_common.sh
index 6431742..88956dd 100644
--- a/ci/cmake_common.sh
+++ b/ci/cmake_common.sh
@@ -14,7 +14,7 @@
 
 # The commit of GoogleTest to be used in the CMake tests in this directory.
 # Keep this in sync with the commit in the WORKSPACE file.
-readonly ABSL_GOOGLETEST_COMMIT="934542165899c786cb5d8a710529c37184730183"
+readonly ABSL_GOOGLETEST_COMMIT="b796f7d44681514f58a683a3a71ff17c94edb0c1"  # v1.13.0
 
 # Avoid depending on GitHub by looking for a cached copy of the commit first.
 if [[ -r "${KOKORO_GFILE_DIR:-}/distdir/${ABSL_GOOGLETEST_COMMIT}.zip" ]]; then