Macro.h

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// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// The MIT License (MIT)
//
// Copyright (c) 2018 www.open3d.org
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#pragma once

#define OPEN3D_CONCATENATE_IMPL(s1, s2) s1##s2
#define OPEN3D_CONCATENATE(s1, s2) OPEN3D_CONCATENATE_IMPL(s1, s2)

#if defined(_WIN32) || defined(__CYGWIN__)
#define OPEN3D_DLL_IMPORT __declspec(dllimport)
#define OPEN3D_DLL_EXPORT __declspec(dllexport)
#else
#define OPEN3D_DLL_IMPORT
#define OPEN3D_DLL_EXPORT
#endif

#ifdef OPEN3D_STATIC
#define OPEN3D_API
#elif defined(OPEN3D_ENABLE_DLL_EXPORTS)
#define OPEN3D_API OPEN3D_DLL_EXPORT
#else
#define OPEN3D_API OPEN3D_DLL_IMPORT
#endif