getruntime.c (RUSAGE_SELF): Define if not already defined.

	* getruntime.c (RUSAGE_SELF): Define if not already defined.
	(get_runtime): Use RUSAGE_SELF as argument 1 of getrusage call.

From-SVN: r225614

libiberty/ChangeLog

-2015-07-08  Uros Bizjak  <ubizjak@gmail.com>
+2015-07-09  Uros Bizjak  <ubizjak@gmail.com>
 
-	* getruntime.c (get_run_time) [__USE_GNU]: Use RUSAGE_SELF as
-	argument 1 of getrusage call.
+	* getruntime.c (RUSAGE_SELF): Define if not already defined.
+	(get_runtime): Use RUSAGE_SELF as argument 1 of getrusage call.
 
 2015-06-01  Jason Merrill  <jason@redhat.com>
 

libiberty/getruntime.c

@@ -65,6 +65,10 @@ Boston, MA 02110-1301, USA.  */
 #define CLOCKS_PER_SEC 1
 #endif
 
+#ifndef RUSAGE_SELF
+#define RUSAGE_SELF 0
+#endif
+
 #ifdef _SC_CLK_TCK
 #define GNU_HZ  sysconf(_SC_CLK_TCK)
 #else
@@ -95,11 +99,7 @@ get_run_time (void)
 #if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H)
   struct rusage rusage;
 
-#if defined __USE_GNU && !defined __cplusplus
   getrusage (RUSAGE_SELF, &rusage);
-#else
-  getrusage (0, &rusage);
-#endif
   return (rusage.ru_utime.tv_sec * 1000000 + rusage.ru_utime.tv_usec
 	  + rusage.ru_stime.tv_sec * 1000000 + rusage.ru_stime.tv_usec);
 #else /* ! HAVE_GETRUSAGE */