--- old/src/cpu/x86/vm/jni_x86.h	2009-06-08 17:31:48.043736217 +0100
+++ new/src/cpu/x86/vm/jni_x86.h	2009-06-08 17:31:47.960383948 +0100
@@ -32,7 +32,13 @@
   #define JNICALL
 
   typedef int jint;
+
+#ifdef _LP64
+  typedef long jlong;
+#else
   typedef long long jlong;
+#endif
+
 #else
   #define JNIEXPORT __declspec(dllexport)
   #define JNIIMPORT __declspec(dllimport)