for (unsigned int i = 0; i < count; i++)
{
Input_entry_reader input_file = inputs.input_file(i);
+#if defined(__GNUC__) && __GNUC__ < 5
this->input_entry_readers_.push_back(Sized_input_reader(input_file));
+#else
+ this->input_entry_readers_.emplace_back(input_file);
+#endif
switch (input_file.type())
{
case INCREMENTAL_INPUT_OBJECT: