update shit

LibCmo/VTUtils.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+// https://stackoverflow.com/questions/2164827/explicitly-exporting-shared-library-functions-in-linux
+// generate import export macro
+#if defined(_MSC_VER)
+//  Microsoft 
+#define LIBCMO_RAW_EXPORT __declspec(dllexport)
+#define LIBCMO_RAW_IMPORT __declspec(dllimport)
+#elif defined(__GNUC__)
+//  GCC
+#define LIBCMO_RAW_EXPORT __attribute__((visibility("default")))
+#define LIBCMO_RAW_IMPORT
+#elif defined(__clang__)
+//  GCC
+#define LIBCMO_RAW_EXPORT __attribute__((visibility("default")))
+#define LIBCMO_RAW_IMPORT
+#else
+//  do nothing and hope for the best?
+#define LIBCMO_RAW_EXPORT
+#define LIBCMO_RAW_IMPORT
+#pragma warning Unknown dynamic link import/export semantics.
+#endif
+
+// choosee proper style
+#if defined(LIBCMO_EXPORTING)
+#define LIBCMO_NAKED_EXPORT LIBCMO_RAW_EXPORT
+#else
+#define LIBCMO_NAKED_EXPORT LIBCMO_RAW_IMPORT
+#endif
+
+// some work for cpp
+#if defined(__cplusplus)
+#define LIBCMO_EXPORT extern "C" LIBCMO_NAKED_EXPORT
+#else
+#define LIBCMO_EXPORT LIBCMO_NAKED_EXPORT
+#endif