--- old/src/jdk.pack/share/native/common-unpack/defines.h	2018-06-09 00:02:01.000000000 -0700
+++ new/src/jdk.pack/share/native/common-unpack/defines.h	2018-06-09 00:02:00.000000000 -0700
@@ -118,6 +118,7 @@
 #define tempname        _tempname
 #define sleep           Sleep
 #define snprintf        _snprintf
+#define PATH_SEPARATOR '\\'
 #else
 typedef signed char byte;
 #ifdef _LP64
@@ -128,6 +129,7 @@
 typedef long long unsigned julong;
 #endif
 #define MKDIR(dir) mkdir(dir, 0777);
+#define PATH_SEPARATOR '/'
 #endif
 
 #ifdef OLDCC