Update Import/Export Macros

Native/Source/Library.h

@@ -1,7 +1,19 @@
 // Copyright (c) TribuFu. All Rights Reserved
 
+#pragma once
+
 #include "TribuFu.h"
 
-#define EXPORT __declspec(dllexport)
+#if defined(_MSC_VER)
+    #define EXPORT __declspec(dllexport)
+    #define IMPORT __declspec(dllimport)
+#elif defined(__GNUC__)
+    #define EXPORT __attribute__((visibility("default")))
+    #define IMPORT
+#else
+    #define EXPORT
+    #define IMPORT
+    #pragma warning Unknown dynamic link import/export semantics.
+#endif
 
 EXPORT char *Java_Hello(char *input);