merge from gcc

include/ChangeLog

@@ -1,3 +1,9 @@
+2011-09-28  Doug Evans  <dje@google.com>
+
+	* timeval-utils.h: New file.
+
+	* libiberty.h (countargv): Declare.
+
 2011-09-26  Cary Coutant  <ccoutant@google.com>
 
 	gcc PR lto/47247

include/libiberty.h

@@ -91,6 +91,10 @@ extern void expandargv PARAMS ((int *, char ***));
 
 extern int writeargv PARAMS ((char **, FILE *));
 
+/* Return the number of elements in argv.  */
+
+extern int countargv (char**);
+
 /* Return the last component of a path name.  Note that we can't use a
    prototype here because the parameter is declared inconsistently
    across different systems, sometimes as "char *" and sometimes as

include/timeval-utils.h

@@ -0,0 +1,40 @@
+/* Basic struct timeval utilities.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+This file is part of the libiberty library.
+Libiberty is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libiberty is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libiberty; see the file COPYING.LIB.  If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+#ifndef TIMEVAL_UTILS_H
+#define TIMEVAL_UTILS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* forward decl */
+struct timeval;
+
+extern void timeval_add (struct timeval *result,
+			 const struct timeval *a, const struct timeval *b);
+
+extern void timeval_sub (struct timeval *result,
+			 const struct timeval *a, const struct timeval *b);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* TIMEVAL_UTILS_H */