From da075336b3fd49a84e350cab2c098b389f8124bb Mon Sep 17 00:00:00 2001
From: topazus <topazus@outlook.com>
Date: Thu, 28 Dec 2023 21:06:09 +0800
Subject: [PATCH] CMake: add SIMPLEINI_USE_SYSTEM_GTEST option

---
 tests/CMakeLists.txt | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 45caa17..48205f4 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,10 +1,14 @@
-include(FetchContent)
-FetchContent_Declare(
-	googletest
-	URL https://github.com/google/googletest/archive/refs/tags/v1.14.0.zip
-	URL_HASH SHA1=0ac421f2ec11af38b0fff0f1992184032731a8bc
-	DOWNLOAD_EXTRACT_TIMESTAMP ON)
-FetchContent_MakeAvailable(googletest)
+if(SIMPLEINI_USE_SYSTEM_GTEST)
+	find_package(GTest REQUIRED)
+else()
+	include(FetchContent)
+	FetchContent_Declare(
+		googletest
+		URL https://github.com/google/googletest/archive/refs/tags/v1.14.0.zip
+		URL_HASH SHA1=0ac421f2ec11af38b0fff0f1992184032731a8bc
+		DOWNLOAD_EXTRACT_TIMESTAMP ON)
+	FetchContent_MakeAvailable(googletest)
+endif()
 
 add_executable(tests
 	ts-bugfix.cpp
@@ -15,7 +19,7 @@ add_executable(tests
 	ts-utf8.cpp)
 
 add_test(NAME tests COMMAND tests)
-target_link_libraries(tests PRIVATE ${PROJECT_NAME} gtest_main)
+target_link_libraries(tests PRIVATE ${PROJECT_NAME} GTest::gtest_main)
 
 add_custom_command(
 	TARGET tests POST_BUILD