WRG: opencv warnings

Modules/Learning/Supervised/include/otbNeuralNetworkMachineLearningModel.h

@@ -21,8 +21,25 @@
 #include "otbRequiresOpenCVCheck.h"
 
 #include <opencv2/core/core_c.h>
+
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-align"
+#include <opencv2/core/core.hpp>
+#pragma GCC diagnostic pop
+#else
 #include <opencv2/core/core.hpp>
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Woverloaded-virtual"
 #include <opencv2/ml/ml.hpp>
+#pragma GCC diagnostic pop
+#else
+#include <opencv2/ml/ml.hpp>
+#endif
+
 #include "itkLightObject.h"
 #include "itkFixedArray.h"
 #include "otbMachineLearningModel.h"

Modules/Learning/Supervised/include/otbOpenCVUtils.h

@@ -29,7 +29,17 @@
 #include <opencv2/core/core.hpp>
 #endif
 
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Woverloaded-virtual"
+#include <opencv2/ml/ml.hpp>
+#pragma GCC diagnostic pop
+#else
 #include <opencv2/ml/ml.hpp>
+#endif
+
+
+
 #include "itkListSample.h"
 
 namespace otb