Box2D  2.4.1
A 2D physics engine for games
b2_api.h
1 // MIT License
2 
3 // Copyright (c) 2019 Erin Catto
4 
5 // Permission is hereby granted, free of charge, to any person obtaining a copy
6 // of this software and associated documentation files (the "Software"), to deal
7 // in the Software without restriction, including without limitation the rights
8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the Software is
10 // furnished to do so, subject to the following conditions:
11 
12 // The above copyright notice and this permission notice shall be included in all
13 // copies or substantial portions of the Software.
14 
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 // SOFTWARE.
22 
23 #ifndef B2_API_H
24 #define B2_API_H
25 
26 #ifdef B2_SHARED
27  #if defined _WIN32 || defined __CYGWIN__
28  #ifdef box2d_EXPORTS
29  #ifdef __GNUC__
30  #define B2_API __attribute__ ((dllexport))
31  #else
32  #define B2_API __declspec(dllexport)
33  #endif
34  #else
35  #ifdef __GNUC__
36  #define B2_API __attribute__ ((dllimport))
37  #else
38  #define B2_API __declspec(dllimport)
39  #endif
40  #endif
41  #else
42  #if __GNUC__ >= 4
43  #define B2_API __attribute__ ((visibility ("default")))
44  #else
45  #define B2_API
46  #endif
47  #endif
48 #else
49  #define B2_API
50 #endif
51 
52 #endif