Index: cstdint.hpp
===================================================================
--- cstdint.hpp	(revision 53635)
+++ cstdint.hpp	(working copy)
@@ -226,6 +226,15 @@
      typedef short           int_fast16_t;
      typedef unsigned short  uint_least16_t;
      typedef unsigned short  uint_fast16_t;
+# elif (USHRT_MAX == 0xffffffff) && defined(__MTA__)
+     // On MTA / XMT short is 32 bits unless the -short16 compiler flag is specified
+     // MTA / XMT does support the following non-standard integer types
+     typedef __short16           int16_t;
+     typedef __short16           int_least16_t;
+     typedef __short16           int_fast16_t;
+     typedef unsigned __short16  uint16_t;
+     typedef unsigned __short16  uint_least16_t;
+     typedef unsigned __short16  uint_fast16_t;
 # else
 #    error defaults not correct; you must hand modify boost/cstdint.hpp
 # endif
@@ -246,6 +255,14 @@
      typedef unsigned int    uint32_t;
      typedef unsigned int    uint_least32_t;
      typedef unsigned int    uint_fast32_t;
+# elif (UINT_MAX == 0xffffffffffffffff) && defined(__MTA__)
+     // Integers are 64 bits on the MTA / XMT
+     typedef __int32           int32_t;
+     typedef __int32           int_least32_t;
+     typedef __int32           int_fast32_t;
+     typedef unsigned __int32  uint32_t;
+     typedef unsigned __int32  uint_least32_t;
+     typedef unsigned __int32  uint_fast32_t;
 # else
 #    error defaults not correct; you must hand modify boost/cstdint.hpp
 # endif