wip ∫ ✨ Refactor googletest inclusion for improved build configuration

Author: jathu

CMakeLists.txt

@@ -472,11 +472,6 @@ install(
 )
 install(FILES tools/cmake/executorch-config.cmake DESTINATION lib/cmake/ExecuTorch)
 
-# Add googletest if any test targets should be built
-if(BUILD_TESTING)
-  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/third-party/googletest)
-endif()
-
 if(EXECUTORCH_BUILD_ARM_BAREMETAL)
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/backends/arm)
 endif()

third-party/CMakeLists.txt

@@ -10,6 +10,10 @@ if(EXECUTORCH_BUILD_PYBIND)
   add_subdirectory(pybind11)
 endif()
 
+if(BUILD_TESTING)
+  add_subdirectory(googletest)
+endif()
+
 # MARK: - flatbuffers
 
 if(WIN32)