gcc-ar.c (main): Handle the returning of the sub-process error code correctly.

2012-09-27  Meador Inge  <meadori@codesourcery.com>

	* gcc-ar.c (main): Handle the returning of the sub-process error
	code correctly.

From-SVN: r191809

gcc/ChangeLog

+2012-09-27  Meador Inge  <meadori@codesourcery.com>
+
+	* gcc-ar.c (main): Handle the returning of the sub-process error
+	code correctly.
+
 2012-09-27  Ulrich Weigand  <ulrich.weigand@linaro.org>
 
 	* lower-subreg.c (enum classify_move_insn): Rename

gcc/gcc-ar.c

@@ -42,6 +42,7 @@ main(int ac, char **av)
   const char *err_msg;
   const char **nargv;
   bool is_ar = !strcmp (PERSONALITY, "ar");
+  int exit_code = FATAL_EXIT_CODE;
 
   exe_name = PERSONALITY;
 #ifdef CROSS_DIRECTORY_STRUCTURE
@@ -96,6 +97,20 @@ main(int ac, char **av)
 		     NULL,NULL,  &status, &err);
   if (err_msg) 
     fprintf(stderr, "Error running %s: %s\n", exe_name, err_msg);
+  else if (status)
+    {
+      if (WIFSIGNALED (status))
+	{
+	  int sig = WTERMSIG (status);
+	  fprintf (stderr, "%s terminated with signal %d [%s]%s\n",
+		   exe_name, sig, strsignal(sig),
+		   WCOREDUMP(status) ? ", core dumped" : "");
+	}
+      else if (WIFEXITED (status))
+	exit_code = WEXITSTATUS (status);
+    }
+  else
+    exit_code = SUCCESS_EXIT_CODE;
 
-  return err;
+  return exit_code;
 }