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