1 #pragma once 2 3 /* Both funcs here for simplicity. */ 4 5 #if defined _WIN32 || defined __CYGWIN__ 6 #if defined BUILDING_DLL 7 #define DLL_PUBLIC __declspec(dllexport) 8 #else 9 #define DLL_PUBLIC __declspec(dllimport) 10 #endif 11 #else 12 #if defined __GNUC__ 13 #define DLL_PUBLIC __attribute__ ((visibility("default"))) 14 #else 15 #pragma message ("Compiler does not support symbol visibility.") 16 #define DLL_PUBLIC 17 #endif 18 #endif 19 20 void DLL_PUBLIC alexandria_visit(); 21