#1292 Add an IncludeWithoutWarning file for Xtensor.

Sources/ThirdParty/IncludeWithoutWarning/Xtensor/Xtensor.hpp

+//
+//  xtensor.hpp
+//  MoReFEM
+//
+//  Created by sebastien on 12/10/2019.
+//  Copyright © 2019 Inria. All rights reserved.
+//
+
+#ifndef MOREFEM_x_THIRD_PARTY_x_INCLUDE_WITHOUT_WARNING_x_XTENSOR_x_XTENSOR_HPP_
+# define MOREFEM_x_THIRD_PARTY_x_INCLUDE_WITHOUT_WARNING_x_XTENSOR_x_XTENSOR_HPP_
+
+# include "Utilities/Pragma/Pragma.hpp"
+
+PRAGMA_DIAGNOSTIC(push)
+PRAGMA_DIAGNOSTIC(ignored "-Wshadow-field-in-constructor")
+PRAGMA_DIAGNOSTIC(ignored "-Wshadow")
+PRAGMA_DIAGNOSTIC(ignored "-Wundef")
+PRAGMA_DIAGNOSTIC(ignored "-Wcomma")
+PRAGMA_DIAGNOSTIC(ignored "-Wswitch-enum")
+PRAGMA_DIAGNOSTIC(ignored "-Wweak-vtables")
+PRAGMA_DIAGNOSTIC(ignored "-Wunused-template")
+
+# include "xtensor/xtensor.hpp"
+# include "xtensor/xio.hpp"
+
+PRAGMA_DIAGNOSTIC(pop)
+
+
+#endif // MOREFEM_x_THIRD_PARTY_x_INCLUDE_WITHOUT_WARNING_x_XTENSOR_x_XTENSOR_HPP_