Source release 19.5.0

third_party/googletest/CMakeLists.txt

@@ -1,14 +1,10 @@
 # Note: CMake support is community-based. The maintainers do not use CMake
 # internally.
 
-cmake_minimum_required(VERSION 3.5)
-
-if (POLICY CMP0048)
-  cmake_policy(SET CMP0048 NEW)
-endif (POLICY CMP0048)
+cmake_minimum_required(VERSION 3.16)
 
 project(googletest-distribution)
-set(GOOGLETEST_VERSION 1.11.0)
+set(GOOGLETEST_VERSION 1.16.0)
 
 if(NOT CYGWIN AND NOT MSYS AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL QNX)
   set(CMAKE_CXX_EXTENSIONS OFF)
@@ -19,9 +15,19 @@ enable_testing()
 include(CMakeDependentOption)
 include(GNUInstallDirs)
 
-#Note that googlemock target already builds googletest
+# Note that googlemock target already builds googletest.
 option(BUILD_GMOCK "Builds the googlemock subproject" ON)
 option(INSTALL_GTEST "Enable installation of googletest. (Projects embedding googletest may want to turn this OFF.)" ON)
+option(GTEST_HAS_ABSL "Use Abseil and RE2. Requires Abseil and RE2 to be separately added to the build." OFF)
+
+if(GTEST_HAS_ABSL)
+  if(NOT TARGET absl::base)
+    find_package(absl REQUIRED)
+  endif()
+  if(NOT TARGET re2::re2)
+    find_package(re2 REQUIRED)
+  endif()
+endif()
 
 if(BUILD_GMOCK)
   add_subdirectory( googlemock )