visibility_control.hpp
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34 
35 /* This header must be included by all urdf headers which declare symbols
36  * which are defined in the urdf library. When not building the urdf
37  * library, i.e. when using the headers in other package's code, the contents
38  * of this header change the visibility of certain symbols which the urdf
39  * library cannot have, but the consuming code must have inorder to link.
40  */
41 
42 #ifndef URDF__VISIBILITY_CONTROL_HPP_
43 #define URDF__VISIBILITY_CONTROL_HPP_
44 
45 // This logic was borrowed (then namespaced) from the examples on the gcc wiki:
46 // https://gcc.gnu.org/wiki/Visibility
47 
48 #if defined _WIN32 || defined __CYGWIN__
49  #ifdef __GNUC__
50  #define URDF_EXPORT __attribute__ ((dllexport))
51  #define URDF_IMPORT __attribute__ ((dllimport))
52  #else
53  #define URDF_EXPORT __declspec(dllexport)
54  #define URDF_IMPORT __declspec(dllimport)
55  #endif
56  #ifdef URDF_BUILDING_LIBRARY
57  #define URDF_PUBLIC URDF_EXPORT
58  #else
59  #define URDF_PUBLIC URDF_IMPORT
60  #endif
61  #define URDF_PUBLIC_TYPE URDF_PUBLIC
62  #define URDF_LOCAL
63 #else
64  #define URDF_EXPORT __attribute__ ((visibility("default")))
65  #define URDF_IMPORT
66  #if __GNUC__ >= 4
67  #define URDF_PUBLIC __attribute__ ((visibility("default")))
68  #define URDF_LOCAL __attribute__ ((visibility("hidden")))
69  #else
70  #define URDF_PUBLIC
71  #define URDF_LOCAL
72  #endif
73  #define URDF_PUBLIC_TYPE
74 #endif
75 
76 #endif // URDF__VISIBILITY_CONTROL_HPP_


urdf
Author(s): Ioan Sucan , Jackie Kay
autogenerated on Thu Jun 6 2019 19:54:07