diff --git a/src/google/protobuf/stubs/hash.h b/src/google/protobuf/stubs/hash.h index a997e04b1c4f..5924de989125 100644 --- a/src/google/protobuf/stubs/hash.h +++ b/src/google/protobuf/stubs/hash.h @@ -40,7 +40,6 @@ #define GOOGLE_PROTOBUF_HAVE_HASH_MAP 1 #define GOOGLE_PROTOBUF_HAVE_HASH_SET 1 -#define GOOGLE_PROTOBUF_HAVE_64BIT_HASH 1 // Use C++11 unordered_{map|set} if available. #if ((_LIBCPP_STD_VER >= 11) || \ @@ -93,8 +92,11 @@ # define GOOGLE_PROTOBUF_HASH_SET_CLASS hash_set # endif +// GCC <= 4.1 does not define std::tr1::hash for `long long int` or `long long unsigned int` # if __GNUC__ == 4 && __GNUC__MINOR__ <= 1 -# undef GOOGLE_PROTOBUF_HAVE_64BIT_HASH +# define GOOGLE_PROTOBUF_MISSING_HASH +# include +# include # endif // Version checks for MSC.