1 files changed, 6 insertions, 0 deletions
diff --git a/util.h b/util.h
index 8f4171bebc..12a1c470ee 100644
--- a/util.h
+++ b/util.h
@@ -8,6 +8,10 @@
  *
  */
 
+#ifndef PERL_UTIL_H_
+#define PERL_UTIL_H_
+
+
 #ifdef VMS
 #  define PERL_FILE_IS_ABSOLUTE(f) \
 	(*(f) == '/'							\
@@ -236,6 +240,8 @@ means arg not present, 1 is empty string/null byte */
             ((char *) memmem(big, bigend - big, little, lend - little))
 #endif
 
+#endif /* PERL_UTIL_H_ */
+
 /*
  * ex: set ts=8 sts=4 sw=4 et:
  */