Update OpenCVDetectInferenceEngine.cmake

modules/core/CMakeLists.txt

@@ -59,7 +59,7 @@ ocv_create_module(${extra_libs})
 
 ocv_target_link_libraries(${the_module} LINK_PRIVATE
     "${ZLIB_LIBRARIES}" "${OPENCL_LIBRARIES}" "${VA_LIBRARIES}"
-    "${LAPACK_LIBRARIES}" "${CPUFEATURES_LIBRARIES}" "${HALIDE_LIBRARIES}" "${INF_ENGINE_LIBRARIES}"
+    "${LAPACK_LIBRARIES}" "${CPUFEATURES_LIBRARIES}" "${HALIDE_LIBRARIES}"
     "${ITT_LIBRARIES}"
     "${OPENCV_HAL_LINKER_LIBS}"
 )

modules/dnn/CMakeLists.txt

@@ -73,14 +73,22 @@ endif()
 
 set(include_dirs ${fw_inc})
 set(sources_options "")
+set(libs libprotobuf ${LAPACK_LIBRARIES})
 if(OPENCV_DNN_OPENCL AND HAVE_OPENCL)
   list(APPEND include_dirs ${OPENCL_INCLUDE_DIRS})
 else()
   set(sources_options EXCLUDE_OPENCL)
 endif()
+
+if(WITH_INF_ENGINE AND HAVE_INF_ENGINE)
+  add_definitions(-DHAVE_INF_ENGINE=1)
+  list(APPEND include_dirs ${INF_ENGINE_INCLUDE_DIRS})
+  list(APPEND libs ${INF_ENGINE_LIBRARIES})
+endif()
+
 ocv_module_include_directories(${include_dirs})
 ocv_glob_module_sources(${sources_options} SOURCES ${fw_srcs})
-ocv_create_module(libprotobuf ${LAPACK_LIBRARIES})
+ocv_create_module(${libs})
 ocv_add_samples()
 ocv_add_accuracy_tests()
 ocv_add_perf_tests()

modules/dnn/src/dnn.cpp

@@ -1915,9 +1915,8 @@ Net::Net() : impl(new Net::Impl)
 
 Net Net::readFromModelOptimizer(const String& xml, const String& bin)
 {
-    Net cvNet;
 #ifndef HAVE_INF_ENGINE
-    CV_Error(Error::StsError, "Build OpenCV with Inference Engine to enable loading models from Model Optimizer.");
+    CV_ErrorNoReturn(Error::StsError, "Build OpenCV with Inference Engine to enable loading models from Model Optimizer.");
 #else
     InferenceEngine::CNNNetReader reader;
     reader.ReadNetwork(xml);
@@ -1931,6 +1930,7 @@ Net Net::readFromModelOptimizer(const String& xml, const String& bin)
         inputsNames.push_back(it.first);
     }
 
+    Net cvNet;
     cvNet.setInputsNames(inputsNames);
 
     Ptr<InfEngineBackendNode> backendNode(new InfEngineBackendNode(0));
@@ -1949,8 +1949,8 @@ Net Net::readFromModelOptimizer(const String& xml, const String& bin)
     cvNet.setPreferableBackend(DNN_BACKEND_INFERENCE_ENGINE);
 
     cvNet.impl->skipInfEngineInit = true;
-#endif  // HAVE_INF_ENGINE
     return cvNet;
+#endif  // HAVE_INF_ENGINE
 }
 
 Net::~Net()
@@ -2894,9 +2894,8 @@ Net readNet(const String& _model, const String& _config, const String& _framewor
             std::swap(model, config);
         return readNetFromModelOptimizer(config, model);
     }
-    CV_Error(Error::StsError, "Cannot determine an origin framework of files: " +
-                              model + (config.empty() ? "" : ", " + config));
-    return Net();
+    CV_ErrorNoReturn(Error::StsError, "Cannot determine an origin framework of files: " +
+                                      model + (config.empty() ? "" : ", " + config));
 }
 
 Net readNetFromModelOptimizer(const String &xml, const String &bin)