+#ifndef LIBBUILDER_API_H_
+#define LIBBUILDER_API_H_
+
+#if defined(_WIN32)
+#if defined(LIBBUILDER_BUILD)
+#define LIBBUILDER_API __declspec(dllexport)
+#elif defined(LIBBUILDER_IMPORT)
+#define LIBBUILDER_API __declspec(dllimport)
+#else
+#define LIBBUILDER_API
+#endif
+#elif defined(__GNUC__)
+#define LIBBUILDER_API __attribute__((visibility("default")))
+#endif
+
+#endif