dllexport.hpp
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1 /*
2 
3  This file is part of OpenFLUID software
4  Copyright(c) 2007, INRA - Montpellier SupAgro
5 
6 
7  == GNU General Public License Usage ==
8 
9  OpenFLUID is free software: you can redistribute it and/or modify
10  it under the terms of the GNU General Public License as published by
11  the Free Software Foundation, either version 3 of the License, or
12  (at your option) any later version.
13 
14  OpenFLUID is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  GNU General Public License for more details.
18 
19  You should have received a copy of the GNU General Public License
20  along with OpenFLUID. If not, see <http://www.gnu.org/licenses/>.
21 
22 
23  == Other Usage ==
24 
25  Other Usage means a use of OpenFLUID that is inconsistent with the GPL
26  license, and requires a written agreement between You and INRA.
27  Licensees for Other Usage of OpenFLUID may use this file in accordance
28  with the terms contained in the written agreement between You and INRA.
29 
30 */
31 
32 
33 /**
34  @file dllexport.hpp
35 
36  @author Jean-Christophe FABRE <jean-christophe.fabre@inra.fr>
37 */
38 
39 
40 #ifndef __OPENFLUID_DLLEXPORT_HPP__
41 #define __OPENFLUID_DLLEXPORT_HPP__
42 
43 
44 #include <openfluid/global.hpp>
45 
46 
47 // Adapted from https://gcc.gnu.org/wiki/Visibility
48 
49 
50 // Generic helper definitions for shared library support
51 #if defined OPENFLUID_OS_WINDOWS
52  #define OPENFLUID_HELPER_DLL_IMPORT __declspec(dllimport)
53  #define OPENFLUID_HELPER_DLL_EXPORT __declspec(dllexport)
54  #define OPENFLUID_HELPER_DLL_LOCAL
55 #else
56  #if __GNUC__ >= 4
57  #define OPENFLUID_HELPER_DLL_IMPORT __attribute__ ((visibility ("default")))
58  #define OPENFLUID_HELPER_DLL_EXPORT __attribute__ ((visibility ("default")))
59  #define OPENFLUID_HELPER_DLL_LOCAL __attribute__ ((visibility ("hidden")))
60  #else
61  #define OPENFLUID_HELPER_DLL_IMPORT
62  #define OPENFLUID_HELPER_DLL_EXPORT
63  #define OPENFLUID_HELPER_DLL_LOCAL
64  #endif
65 #endif
66 
67 
68 // =====================================================================
69 // =====================================================================
70 
71 
72 // Now we use the generic helper definitions above to define OPENFLUID_API, OPENFLUID_LOCAL and OPENFLUID_PLUGIN
73 // OPENFLUID_API is used for the public API symbols.
74 // OPENFLUID_LOCAL is used for non-api symbols.
75 // OPENFLUID_PLUGIN is used for plugins symbols (in simulators, observers, ...).
76 
77 #ifdef OPENFLUID_DLL // lib is a DLL
78  #ifdef OPENFLUID_DLL_EXPORTS // defined if we are building the DLL (instead of using it)
79  #define OPENFLUID_API OPENFLUID_HELPER_DLL_EXPORT
80  #else
81  #define OPENFLUID_API OPENFLUID_HELPER_DLL_IMPORT
82  #endif
83  #define OPENFLUID_LOCAL OPENFLUID_HELPER_DLL_LOCAL
84  #define OPENFLUID_PLUGIN OPENFLUID_HELPER_DLL_EXPORT
85 #else // lib is static
86  #define OPENFLUID_API
87  #define OPENFLUID_LOCAL
88  #define OPENFLUID_PLUGIN OPENFLUID_HELPER_DLL_EXPORT
89 #endif
90 
91 
92 #endif /* __OPENFLUID_DLLEXPORT_HPP__ */
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