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/*=========================================================================
Program: Visualization Toolkit
Module: vtkABI.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkABI
* @brief manage macros for exporting symbols in the binary interface.
*
* This header defines the macros for importing and exporting symbols in shared
* objects (DLLs, etc). All VTK headers should use these macros to define the
* kit specific import/export macros. So for the vtkCommon kit this might be,
*
* \code
* #include "vtkABI.h"
*
* #if defined(VTK_BUILD_SHARED_LIBS)
* # if defined(vtkCommon_EXPORTS)
* # define VTK_COMMON_EXPORT VTK_ABI_EXPORT
* # else
* # define VTK_COMMON_EXPORT VTK_ABI_IMPORT
* # endif
* #else
* # define VTK_COMMON_EXPORT
* #endif
* \endcode
*
* See http://gcc.gnu.org/wiki/Visibility for a discussion of the symbol
* visibility support in GCC. The project must pass extra CFLAGS/CXXFLAGS in
* order to change the default symbol visibility when using GCC.
* Currently hidden is not used, but it can be used to explicitly hide
* symbols from external linkage.
*/
#ifndef vtkABI_h
#define vtkABI_h
#if defined(_WIN32)
#define VTK_ABI_IMPORT __declspec(dllimport)
#define VTK_ABI_EXPORT __declspec(dllexport)
#define VTK_ABI_HIDDEN
#elif __GNUC__ >= 4
#define VTK_ABI_IMPORT __attribute__((visibility("default")))
#define VTK_ABI_EXPORT __attribute__((visibility("default")))
#define VTK_ABI_HIDDEN __attribute__((visibility("hidden")))
#else
#define VTK_ABI_IMPORT
#define VTK_ABI_EXPORT
#define VTK_ABI_HIDDEN
#endif
#include "vtkABINamespace.h"
/*--------------------------------------------------------------------------*/
/* If not already defined, define vtkTypeBool. When VTK was started, some */
/* compilers did not yet support the bool type, and so VTK often used int, */
/* or more rarely unsigned int, where it should have used bool. */
/* Eventually vtkTypeBool will switch to real bool. */
#ifndef VTK_TYPE_BOOL_TYPEDEFED
#define VTK_TYPE_BOOL_TYPEDEFED
#if 1
typedef int vtkTypeBool;
typedef unsigned int vtkTypeUBool;
#else
typedef bool vtkTypeBool;
typedef bool vtkTypeUBool;
#endif
#endif
#endif // vtkABI_h
// VTK-HeaderTest-Exclude: vtkABI.h
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