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comparison Core/Exports.h @ 3988:bdd8f952dd47

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playing with visibility
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 29 May 2020 19:02:32 +0200
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children 226ab94a33cd
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3987:e12c8ac6dc82 3988:bdd8f952dd47
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #pragma once
35
36
37 // https://gcc.gnu.org/wiki/Visibility
38 #if defined(_WIN32) || defined (__CYGWIN__)
39 # if !defined(BUILDING_ORTHANC_FRAMEWORK)
40 # error Macro BUILDING_ORTHANC_FRAMEWORK must be defined
41 # elif BUILDING_ORTHANC_FRAMEWORK == 1
42 # define ORTHANC_PUBLIC __declspec(dllexport)
43 # else
44 # define ORTHANC_PUBLIC __declspec(dllimport)
45 # endif
46 # define ORTHANC_LOCAL
47 #else
48 # if __GNUC__ >= 4
49 # define ORTHANC_PUBLIC __attribute__ ((visibility ("default")))
50 # define ORTHANC_LOCAL __attribute__ ((visibility ("hidden")))
51 # else
52 # define ORTHANC_PUBLIC
53 # define ORTHANC_LOCAL
54 # pragma warning Unknown dynamic link import/export semantics
55 # endif
56 #endif