Fix OpenVINO 2019R1 compilation

modules/dnn/src/dnn.cpp

@@ -1619,7 +1619,8 @@ struct Net::Impl
             Ptr<Layer> layer = ld.layerInstance;
             if (!fused && !layer->supportBackend(preferableBackend))
             {
-                bool customizable = ld.id != 0 && ld.outputBlobs.size() == 1;
+                bool customizable = ld.id != 0 && ld.outputBlobs.size() == 1 &&
+                                    INF_ENGINE_VER_MAJOR_GE(INF_ENGINE_RELEASE_2019R2);
                 // TODO: there is a bug in Myriad plugin with custom layers shape infer.
                 if (preferableTarget == DNN_TARGET_MYRIAD)
                 {

modules/dnn/src/op_inf_engine.cpp

@@ -582,7 +582,6 @@ void InfEngineBackendNet::initPlugin(InferenceEngine::CNNNetwork& net)
     try
     {
         AutoLock lock(getInitializationMutex());
-        InferenceEngine::Core& ie = getCore();
 #if INF_ENGINE_VER_MAJOR_LE(INF_ENGINE_RELEASE_2019R1)
         auto& sharedPlugins = getSharedPlugins();
         auto pluginIt = sharedPlugins.find(device_name);
@@ -591,6 +590,8 @@ void InfEngineBackendNet::initPlugin(InferenceEngine::CNNNetwork& net)
             enginePtr = pluginIt->second;
         }
         else
+#else
+        InferenceEngine::Core& ie = getCore();
 #endif
         {
 #if INF_ENGINE_VER_MAJOR_LE(INF_ENGINE_RELEASE_2019R1)

modules/dnn/test/test_darknet_importer.cpp

@@ -334,6 +334,8 @@ static const std::chrono::milliseconds async_timeout(500);
 typedef testing::TestWithParam<tuple<std::string, Target> > Test_Darknet_nets_async;
 TEST_P(Test_Darknet_nets_async, Accuracy)
 {
+    if (INF_ENGINE_VER_MAJOR_LT(2019020000))
+        applyTestTag(CV_TEST_TAG_DNN_SKIP_IE);
     applyTestTag(CV_TEST_TAG_MEMORY_512MB);
 
     std::string prefix = get<0>(GetParam());

modules/dnn/test/test_tf_importer.cpp

@@ -481,8 +481,11 @@ TEST_P(Test_TensorFlow_nets, Faster_RCNN)
                                   "faster_rcnn_resnet50_coco_2018_01_28"};
 
     checkBackend();
-    if (backend == DNN_BACKEND_INFERENCE_ENGINE && target != DNN_TARGET_CPU)
+#ifdef INF_ENGINE_RELEASE
+    if (backend == DNN_BACKEND_INFERENCE_ENGINE &&
+        (INF_ENGINE_VER_MAJOR_LT(2019020000) || target != DNN_TARGET_CPU))
         applyTestTag(CV_TEST_TAG_DNN_SKIP_IE);
+#endif
     if (backend == DNN_BACKEND_OPENCV && target == DNN_TARGET_OPENCL_FP16)
         applyTestTag(CV_TEST_TAG_DNN_SKIP_OPENCL_FP16);