61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
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*
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* Copyright (C) 2012-2014, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: ofstd
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*
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* Author: Uli Schlachter
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*
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* Purpose: common defines for import and exporting symbols
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*
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*/
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#ifndef OFEXPORT_H
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#define OFEXPORT_H
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#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
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#ifdef DCMTK_SHARED
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#ifdef _WIN32
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/* Defines needed for building DLLs on windows */
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#define DCMTK_DECL_EXPORT __declspec(dllexport)
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/* Only use dllimport when DCMTK gets linked into multiple shared libraries. */
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#if !(defined(DCMTK_BUILD_SINGLE_SHARED_LIBRARY) && defined(DCMTK_BUILD_IN_PROGRESS))
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#define DCMTK_DECL_IMPORT __declspec(dllimport)
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#else
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/* We are building a single shared library and are currently inside the DCMTK.
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* Mark imported symbols as exported to avoid compiler warnings.
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*/
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#define DCMTK_DECL_IMPORT __declspec(dllexport)
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#endif
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#else
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#ifdef HAVE_HIDDEN_VISIBILITY
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/* GCC hides everything when given -fvisibility=hidden. The symbols which
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* should be visible have to get a default visibility again.
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*/
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#define DCMTK_DECL_EXPORT __attribute__ ((visibility("default")))
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#endif
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#endif
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#endif
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#ifndef DCMTK_DECL_EXPORT
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#define DCMTK_DECL_EXPORT
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#endif
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#ifndef DCMTK_DECL_IMPORT
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#define DCMTK_DECL_IMPORT
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#endif
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#endif
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