(BIG_ENDIAN): Don't define if already defined.

diff --git a/src/m/ibmrs6000.h b/src/m/ibmrs6000.h
index 4988ca7f681cc3a007470e888bdd725973c1a93d..805e63872c084399f206a0a680821fcb72606fff 100644 (file)
--- a/src/m/ibmrs6000.h
+++ b/src/m/ibmrs6000.h
@@ -34,7 +34,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
    is the most significant byte.  */
 
+#ifndef BIG_ENDIAN
 #define BIG_ENDIAN
+#endif
 
 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  * group of arguments and treat it as an array of the arguments.  */