Added explicit dependencies between buildable target and external project (#3962)

cmake/external_gtest.cmake

@@ -35,6 +35,12 @@ if(WIN32)
     )
 endif()
 
+if(CMAKE_BUILD_TYPE)
+    list(APPEND GTEST_CMAKE_ARGS
+        -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+    )
+endif()
+
 if(UNIX)
     # workaround for compile error
     # related: https://github.com/intel/mkl-dnn/issues/55

test/util/CMakeLists.txt

@@ -31,6 +31,7 @@ if(NGRAPH_LIB_VERSIONING_ENABLE)
 endif()
 target_include_directories(ngraph_test_util PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/..)
 target_link_libraries(ngraph_test_util PRIVATE ngraph libgtest)
+add_dependencies(ngraph_test_util ext_gtest)
 
 if (NGRAPH_UNIT_TEST_OPENVINO_ENABLE)
     add_definitions(-DNGRAPH_UNIT_TEST_OPENVINO_ENABLE)