Index: work/core/common/sys.h
===================================================================
--- work.orig/core/common/sys.h
+++ work/core/common/sys.h
@@ -322,7 +322,7 @@ public:
 #define _BIG_ENDIAN 1
 #endif
 
-typedef long long int64_t;
+#include <stdint.h>
 
 typedef int (*THREAD_FUNC)(ThreadInfo *);
 #define THREAD_PROC int