--- cmake/TrGTest.cmake.orig	2026-01-31 08:51:00 UTC
+++ cmake/TrGTest.cmake
@@ -0,0 +1,16 @@
+include(TrMacros)
+
+option(USE_SYSTEM_GTEST "Use system GTest library" OFF)
+
+tr_add_external_auto_library(GTEST GTest
+    SUBPROJECT
+    SOURCE_DIR googletest
+    CMAKE_ARGS
+        -DBUILD_GMOCK=OFF
+        -DINSTALL_GTEST=OFF
+        -DBUILD_SHARED_LIBS=ON)
+
+# The GTest::gtest_main target is new in CMake 3.20
+if(NOT TARGET GTest::gtest_main)
+    add_library(GTest::gtest_main ALIAS GTest::Main)
+endif()