Add extra protection in case strrchr already defined

From-SVN: r19343

Add extra protection in case strrchr already defined
From-SVN: r19343
2b6ede1d · Michael Meissner · 763d7ce8 · 2b6ede1d
Commit 2b6ede1d authored Apr 20, 1998 by Michael Meissner
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gcc/protoize.c
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--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -78,11 +78,13 @@ Boston, MA 02111-1307, USA.  */
   but it normally does declare it.  This means that configure thinks we don't
   need to declare it.  Favor using strrchr if it is available.  */

+#ifndef strrchr
 #ifndef HAVE_STRRCHR
 #ifdef  HAVE_RINDEX
 #define strrchr rindex
 #endif
 #endif
+#endif

 /* Include getopt.h for the sake of getopt_long.
   We don't need the declaration of getopt, and it could conflict