From 48b373f6e0019cc766b4e088201fc90fe1373fe2 Mon Sep 17 00:00:00 2001
From: Tamas Kenez <tamas.kenez@gmail.com>
Date: Fri, 1 Dec 2023 23:09:45 +0100
Subject: [PATCH] Allow using external absl and re2.

---
 CMakeLists.txt                   | 9 +++++++++
 googletest/cmake/Config.cmake.in | 4 ++++
 2 files changed, 13 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24d41c29c0..9e6d6440da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,15 @@ 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 )
 else()
diff --git a/googletest/cmake/Config.cmake.in b/googletest/cmake/Config.cmake.in
index 12be4498b1..3f706612b2 100644
--- a/googletest/cmake/Config.cmake.in
+++ b/googletest/cmake/Config.cmake.in
@@ -4,6 +4,10 @@ if (@GTEST_HAS_PTHREAD@)
   set(THREADS_PREFER_PTHREAD_FLAG @THREADS_PREFER_PTHREAD_FLAG@)
   find_dependency(Threads)
 endif()
+if (@GTEST_HAS_ABSL@)
+  find_dependency(absl)
+  find_dependency(re2)
+endif()
 
 include("${CMAKE_CURRENT_LIST_DIR}/@targets_export_name@.cmake")
 check_required_components("@project_name@")