---
 source/libraries/decnumber/decNumber.h |    2 ++
 1 file changed, 2 insertions(+)

--- source/libraries/decnumber/decNumber.h
+++ source/libraries/decnumber/decNumber.h	2023-03-28 09:48:50.820268040 +0000
@@ -40,8 +40,10 @@
   /* constant.  This must not be changed without recompiling the      */
   /* decNumber library modules. */
 
+  #ifndef DECDPUN
   #define DECDPUN 3           /* DECimal Digits Per UNit [must be >0  */
                               /* and <10; 3 or powers of 2 are best]. */
+  #endif
 
   /* DECNUMDIGITS is the default number of digits that can be held in */
   /* the structure.  If undefined, 1 is assumed and it is assumed     */