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HelbingConfig.h
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1 /*
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3 License
4 
5 Menge
6 Copyright © and trademark ™ 2012-14 University of North Carolina at Chapel Hill.
7 All rights reserved.
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9 Permission to use, copy, modify, and distribute this software and its documentation
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11 written agreement is hereby granted, provided that the above copyright notice,
12 this paragraph, and the following four paragraphs appear in all copies.
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14 This software program and documentation are copyrighted by the University of North
15 Carolina at Chapel Hill. The software program and documentation are supplied "as is,"
16 without any accompanying services from the University of North Carolina at Chapel
17 Hill or the authors. The University of North Carolina at Chapel Hill and the
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22 IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE AUTHORS
23 BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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30 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY STATUTORY WARRANTY
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35 Any questions or comments should be sent to the authors {menge,geom}@cs.unc.edu
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37 */
38 
44 #ifndef __HELBING_CONFIG_H__
45 #define __HELBING_CONFIG_H__
46 
47 
48 // Now set up compiler-dependent export/import symbols
49 
50 #if defined(_MSC_VER)
51 
52  #if defined( HELBING_STATICLIB )
53  #define HELBING_API
54  #else
55  #if defined( HELBING_EXPORT )
56  // We are building the DLL, export the symbols tagged like this
57  #define HELBING_API __declspec(dllexport)
58  #else
59  // If we are consuming the DLL, import the symbols tagged like this
60  #define HELBING_API __declspec(dllimport)
61  #endif
62  #endif
63 
64 #elif defined(__GNUC__)
65 
66  #if defined( HELBING_STATICLIB )
67  #define HELBING_API
68  #else
69  #if defined( HELBING_EXPORT )
70  #define HELBING_API __attribute__ ((visibility ("default")))
71  #else
72  // If you use -fvisibility=hidden in GCC, exception handling and RTTI
73  // would break if visibility wasn't set during export _and_ import
74  // because GCC would immediately forget all type infos encountered.
75  // See http://gcc.gnu.org/wiki/Visibility
76  #define HELBING_API __attribute__ ((visibility ("default")))
77  #endif
78  #endif
79 
80 #else
81 
82  #error Unknown compiler, please implement shared library macros
83 
84 #endif // Compiler-detection
85 
86 #endif // __HELBING_CONFIG_H__