Index: generic/nsf.c
===================================================================
diff -u -r9d4daad15fb78a543a8b73b91818b44a21f0ea24 -rf3258689bad65fe8619e165ed96fc5190bb7e4b4
--- generic/nsf.c	(.../nsf.c)	(revision 9d4daad15fb78a543a8b73b91818b44a21f0ea24)
+++ generic/nsf.c	(.../nsf.c)	(revision f3258689bad65fe8619e165ed96fc5190bb7e4b4)
@@ -16667,7 +16667,9 @@
  * mid-term options)
  */
 //#define TCL_NO_TOMMATH_H 1
+# ifndef MP_INT_DECLARED
 typedef size_t mp_int[4];
+# endif
 #endif
 
 //#include <tclTomMath.h>