System.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
/*******************************************************************************
 *                      READ THIS!! (AND THEN READ IT AGAIN)
 *
 *
 * PLEASE DON'T EDIT THIS FILE UNLESS ADDING SOMETHING THAT ABSOLUTELY
 * MUST BE SEEN BY **EVERY** FILE IN MANTID
 *
 *
 *******************************************************************************/
 
/*  A system-wide file to contain, e.g., useful system-dependent macros
 
    @author Russell Taylor, Tessella Support Services plc
    @date 26/10/2007
*/
 
#ifdef _WIN32
// 'identifier' : class 'type' needs to have dll-interface to be used by clients
// of class 'type2'
// Things from the std library give these warnings and we can't do anything
// about them.
#pragma warning(disable : 4251)
// Given that we are compiling everything with msvc under Windows and
// linking all with the same runtime we can disable the warning about
// inheriting from a non-exported interface, e.g. std::runtime_error */
#pragma warning(disable : 4275)
// Warning C4373: previous versions of the compiler did not override when
// parameters only differed by const/volatile qualifiers
// This is basically saying that it now follows the C++ standard and doesn't
// seem useful
#pragma warning(disable : 4373)
 
// Export/Import declarations
#define DLLExport __declspec(dllexport)
#define DLLImport __declspec(dllimport)
#define EXTERN_IMPORT extern
#elif defined(__GNUC__) && !defined(__clang__)
#define DLLExport __attribute__((visibility("default")))
#define DLLImport
#define EXTERN_IMPORT extern
#else
#define DLLExport
#define DLLImport
#define EXTERN_IMPORT
#endif
 
#ifndef UNUSED_ARG
#define UNUSED_ARG(x) (void)x;
#endif
 
#if (defined(__GNUC__) || defined(__clang__))
#define DEPRECATED(func) func __attribute__((deprecated))
#elif defined(_MSC_VER)
#define DEPRECATED(func) __declspec(deprecated) func
#else
#pragma message("WARNING: You need to implement DEPRECATED for this compiler")
#define DEPRECATED(func) func
#endif
 
#include <cstddef>
#include <cstdint>