From 6bad847991e663f2e2cc0fac1e72765763ab616b Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Tue, 18 Oct 2022 21:39:44 -0700
Subject: CMake: Add GTEST_HAS_ABSL build option for using Absl

PiperOrigin-RevId: 482101793
Change-Id: I1bd140fd6a325f573c8a0c464e4dccd4acd0d0a3
---
 CMakeLists.txt            |  1 +
 googletest/CMakeLists.txt | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 725d670..4210622 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,7 @@ include(GNUInstallDirs)
 #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(BUILD_GMOCK)
   add_subdirectory( googlemock )
diff --git a/googletest/CMakeLists.txt b/googletest/CMakeLists.txt
index aa00a5f..95bfa44 100644
--- a/googletest/CMakeLists.txt
+++ b/googletest/CMakeLists.txt
@@ -125,6 +125,22 @@ include_directories(${gtest_build_include_dirs})
 # aggressive about warnings.
 cxx_library(gtest "${cxx_strict}" src/gtest-all.cc)
 set_target_properties(gtest PROPERTIES VERSION ${GOOGLETEST_VERSION})
+if(GTEST_HAS_ABSL)
+  target_compile_definitions(gtest PUBLIC GTEST_HAS_ABSL=1)
+  target_link_libraries(gtest PUBLIC
+    absl::failure_signal_handler
+    absl::stacktrace
+    absl::symbolize
+    absl::flags_parse
+    absl::flags_reflection
+    absl::flags_usage
+    absl::strings
+    absl::any
+    absl::optional
+    absl::variant
+    re2::re2
+  )
+endif()
 cxx_library(gtest_main "${cxx_strict}" src/gtest_main.cc)
 set_target_properties(gtest_main PROPERTIES VERSION ${GOOGLETEST_VERSION})
 # If the CMake version supports it, attach header directory information
-- 
cgit v0.12