| #pragma once | |
| #if defined _WIN32 || defined __CYGWIN__ | |
| #define DLL_PUBLIC __declspec(dllexport) | |
| #else | |
| #if defined __GNUC__ | |
| #define DLL_PUBLIC __attribute__ ((visibility("default"))) | |
| #else | |
| #pragma message ("Compiler does not support symbol visibility.") | |
| #define DLL_PUBLIC | |
| #endif | |
| #endif |