Introduct GTEST_HAS_STD_SHARED_PTR_
diff --git a/include/gtest/internal/gtest-port.h b/include/gtest/internal/gtest-port.h
index f17cf92..141d457 100644
--- a/include/gtest/internal/gtest-port.h
+++ b/include/gtest/internal/gtest-port.h
@@ -359,6 +359,7 @@
 # define GTEST_HAS_STD_INITIALIZER_LIST_ 1
 # define GTEST_HAS_STD_MOVE_ 1
 # define GTEST_HAS_STD_UNIQUE_PTR_ 1
+# define GTEST_HAS_STD_SHARED_PTR_ 1
 #endif
 
 // C++11 specifies that <tuple> provides std::tuple.