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 /**
35  @file dllexport.hpp
36 
37  @author Jean-Christophe FABRE <jean-christophe.fabre@supagro.inra.fr>
38  */
39 
40 
41 #ifndef __OPENFLUID_DLLEXPORT_HPP__
42 #define __OPENFLUID_DLLEXPORT_HPP__
43 
44 
45 #include <openfluid/global.hpp>
46 
47 
48 // Adapted from https://gcc.gnu.org/wiki/Visibility
49 
50 
51 // Generic helper definitions for shared library support
52 #if defined OPENFLUID_OS_WINDOWS
53  #define OPENFLUID_HELPER_DLL_IMPORT __declspec(dllimport)
54  #define OPENFLUID_HELPER_DLL_EXPORT __declspec(dllexport)
55  #define OPENFLUID_HELPER_DLL_LOCAL
56 #else
57  #if __GNUC__ >= 4
58  #define OPENFLUID_HELPER_DLL_IMPORT __attribute__ ((visibility ("default")))
59  #define OPENFLUID_HELPER_DLL_EXPORT __attribute__ ((visibility ("default")))
60  #define OPENFLUID_HELPER_DLL_LOCAL __attribute__ ((visibility ("hidden")))
61  #else
62  #define OPENFLUID_HELPER_DLL_IMPORT
63  #define OPENFLUID_HELPER_DLL_EXPORT
64  #define OPENFLUID_HELPER_DLL_LOCAL
65  #endif
66 #endif
67 
68 
69 // =====================================================================
70 // =====================================================================
71 
72 
73 // Now we use the generic helper definitions above to define OPENFLUID_API, OPENFLUID_LOCAL and OPENFLUID_PLUGIN
74 // OPENFLUID_API is used for the public API symbols.
75 // OPENFLUID_LOCAL is used for non-api symbols.
76 // OPENFLUID_PLUGIN is used for plugins symbols (in simulators, observers, ...).
77 
78 #ifdef OPENFLUID_DLL // lib is a DLL
79  #ifdef OPENFLUID_DLL_EXPORTS // defined if we are building the DLL (instead of using it)
80  #define OPENFLUID_API OPENFLUID_HELPER_DLL_EXPORT
81  #else
82  #define OPENFLUID_API OPENFLUID_HELPER_DLL_IMPORT
83  #endif
84  #define OPENFLUID_LOCAL OPENFLUID_HELPER_DLL_LOCAL
85  #define OPENFLUID_PLUGIN OPENFLUID_HELPER_DLL_EXPORT
86 #else // lib is static
87  #define OPENFLUID_API
88  #define OPENFLUID_LOCAL
89  #define OPENFLUID_PLUGIN OPENFLUID_HELPER_DLL_EXPORT
90 #endif
91 
92 
93 #endif /* __OPENFLUID_DLLEXPORT_HPP__ */
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