--- a/Import/Vlpp.h
+++ b/Import/Vlpp.h
@@ -50,13 +50,12 @@
 #define abstract
 #endif
-
+#include <stdlib.h>
 #if defined VCZH_MSVC
 #include <intrin.h>
 #elif defined VCZH_GCC
-#include <x86intrin.h>
 #include <stdint.h>
 #include <stddef.h>
 #include <wchar.h>
 #define abstract
 #define __thiscall
 #define __forceinline inline
@@ -160,14 +159,14 @@
 #define UI64TOA_S	_ui64toa_s
 #define UI64TOW_S	_ui64tow_s
 #if defined VCZH_MSVC
 #define INCRC(x)	(_InterlockedIncrement((volatile long*)(x)))
 #define DECRC(x)	(_InterlockedDecrement((volatile long*)(x)))
 #elif defined VCZH_GCC
-#define INCRC(x)	(__sync_add_and_fetch(x, 1))
-#define DECRC(x)	(__sync_sub_and_fetch(x, 1))
+#define INCRC(x)	(__atomic_add_fetch(x, 1, __ATOMIC_SEQ_CST))
+#define DECRC(x)	(__atomic_sub_fetch(x, 1, __ATOMIC_SEQ_CST))
 #endif
 #endif
 
 	/***********************************************************************
 	Basic Types
 	***********************************************************************/