update. fix compile error. test=develop

lite/api/cxx_api.h

@@ -61,9 +61,8 @@ class LITE_API Predictor {
             const std::vector<std::string>& var_names = {})
       : program_desc_(desc), scope_(root) {
     Program program(*desc.get(), scope_, valid_places, var_names);
-    std::vector<std::string> passes{};
     // TODO(wilber): rethink a new way to associate config and passes.
-    optimizer_ = Optimizer(std::move(program), valid_places, passes);
+    optimizer_ = Optimizer(std::move(program), valid_places);
     exec_scope_ = optimizer_.exec_scope();
     valid_places_ = valid_places;
   }

lite/api/cxx_api_impl.cc

@@ -157,13 +157,21 @@ void CxxPaddleApiImpl::OutputSync() {
 
 std::unique_ptr<lite_api::Tensor> CxxPaddleApiImpl::GetInput(int i) {
   auto *x = raw_predictor_->GetInput(i);
+#ifdef LITE_WITH_CUDA
   return std::unique_ptr<lite_api::Tensor>(new lite_api::Tensor(x, io_stream_));
+#else
+  return std::unique_ptr<lite_api::Tensor>(new lite_api::Tensor(x));
+#endif
 }
 
 std::unique_ptr<const lite_api::Tensor> CxxPaddleApiImpl::GetOutput(
     int i) const {
   const auto *x = raw_predictor_->GetOutput(i);
+#ifdef LITE_WITH_CUDA
   return std::unique_ptr<lite_api::Tensor>(new lite_api::Tensor(x, io_stream_));
+#else
+  return std::unique_ptr<lite_api::Tensor>(new lite_api::Tensor(x));
+#endif
 }
 
 std::vector<std::string> CxxPaddleApiImpl::GetInputNames() {