X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2Fregex2.h;h=d81bfbc97d02d3e1fd158b3d3a9351636c006fdf;hb=6c0e1e0fa658f4e7466c6787aedce992ece2db55;hp=21659c34449a23089dbf600e38e33f1742d5cdbc;hpb=ce0c81e7dd321e9f94f628daa5528f56cab0ab88;p=oota-llvm.git

diff --git a/lib/Support/regex2.h b/lib/Support/regex2.h
index 21659c34449..d81bfbc97d0 100644
--- a/lib/Support/regex2.h
+++ b/lib/Support/regex2.h
@@ -35,6 +35,9 @@
  *	@(#)regex2.h	8.4 (Berkeley) 3/20/94
  */
 
+#ifndef LLVM_SUPPORT_REGEX2_H
+#define LLVM_SUPPORT_REGEX2_H
+
 /*
  * internals of regex_t
  */
@@ -155,3 +158,5 @@ struct re_guts {
 /* misc utilities */
 #define	OUT	(CHAR_MAX+1)	/* a non-character value */
 #define	ISWORD(c)	(isalnum(c&0xff) || (c) == '_')
+
+#endif