--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/vms/vms-ar.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,348 @@
+/* VMS archive wrapper.
+   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Contributed by AdaCore.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "libiberty.h"
+
+#define FATAL_EXIT_CODE (44 | 0x10000000)
+
+/* Librarian arguments.  */
+static int lib_arg_max = 0;
+static const char **lib_args;
+static int lib_arg_index = -1;
+
+/* Set for r/c/x/v command.  */
+static int replace_mode = 0;
+static int create_mode = 0;
+static int extract_mode = 0;
+static int verbose_mode = 0;
+
+static char modecmd[32];
+static char libname[256];
+
+#define TEMP_FILE "arXXXXXX"
+#define TEMP_FILE_LEN (sizeof(TEMP_FILE) - 1)
+#define SUFFIX ".com"
+#define SUFFIX_LEN (sizeof(SUFFIX) - 1)
+
+static char *to_host_file_spec (char *filespec);
+static int is_regular_file (char *name);
+
+#ifdef VMS
+static char new_host_filespec [255];
+static char filename_buff [256];
+
+static int
+translate_unix (char *name, int type)
+{
+  strcpy (filename_buff, name);
+  return 0;
+}
+#endif
+
+static char *
+to_host_file_spec (char *filespec)
+{
+#ifdef VMS
+  if (strchr (filespec, ']') || strchr (filespec, ':'))
+    return filespec;
+  else
+    {
+      strcpy (filename_buff, filespec);
+      decc$to_vms (filespec, translate_unix, 1, 1);
+      strcpy (new_host_filespec, filename_buff);
+      return new_host_filespec;
+    }
+#else
+  return filespec;
+#endif
+}
+
+/* Check to see if the file named in NAME is a regular file, i.e. not a
+   directory.  */
+
+static int
+is_regular_file (char *name)
+{
+  int ret;
+  struct stat statbuf;
+
+  ret = stat (name, &statbuf);
+  return !ret && S_ISREG (statbuf.st_mode);
+}
+
+/* Add the argument contained in STR to the list of arguments to pass to the
+   archiver.  */
+
+static void
+addarg (const char *str)
+{
+  if (++lib_arg_index >= lib_arg_max)
+    {
+      lib_arg_max += 1000;
+      lib_args = XRESIZEVEC (const char *, lib_args, lib_arg_max);
+    }
+
+  lib_args[lib_arg_index] = str;
+}
+
+static void
+usage (void)
+{
+  printf ("usage: ar -r [-cv] archive file...\n");
+  printf ("       ar -c [-rv] archive file...\n");
+  printf ("       ar -x [-v] archive [module...]\n");
+}
+
+int
+main (int argc, char *argv[])
+{
+  int i, nexti, iarg;
+  FILE *comfile;
+  int comfd;
+  int outlen, maxoutlen = 4000;
+  char temp_filename[] = TEMP_FILE SUFFIX;
+  char command[256];
+  int status;
+
+  if (argc < 2)
+    {
+      fprintf (stderr, "ar: no command or archive\n");
+      exit (FATAL_EXIT_CODE);
+    }
+
+  if (argv[1][0] != '-')
+    {
+      int arglen = strlen (argv[1]);
+
+      /* Compatibility mode.  */
+      for (i = 0; i < arglen; i++)
+	{
+	  if (argv[1][i] == 'r')
+	    {
+	      replace_mode = 1;
+	    }
+	  else if (argv[1][i] == 'c')
+	    {
+	      create_mode = 1;
+	    }
+	  else if (argv[1][i] == 'x')
+	    {
+	      extract_mode = 1;
+	    }
+	  else if (argv[1][i] == 'v')
+	    {
+	      verbose_mode = 1;
+	    }
+          else
+            {
+              fprintf (stderr, "ar: unknown command '%c'\n", argv[1][i]);
+              exit (FATAL_EXIT_CODE);
+            }
+	}
+      nexti = 2;
+    }
+  else
+    {
+      /* Option mode.  */
+      nexti = 1;
+      for (i = 1; i < argc; i++)
+	{
+	  if (argv[i][0] != '-')
+	    {
+	      nexti = i;
+	      break;
+	    }
+	  else if (strcmp (argv[i], "-r") == 0)
+	    {
+	      replace_mode = 1;
+	    }
+	  else if (strcmp (argv[i], "-c") == 0)
+	    {
+	      create_mode = 1;
+	    }
+	  else if (strcmp (argv[i], "-x") == 0)
+	    {
+	      extract_mode = 1;
+	    }
+	  else if (strcmp (argv[i], "-v") == 0)
+	    {
+	      verbose_mode = 1;
+	    }
+	  else if (strcmp (argv[i], "--help") == 0)
+	    {
+              usage ();
+              exit (EXIT_SUCCESS);
+	    }
+          else
+            {
+              fprintf (stderr, "ar: unknown option %s\n", argv[i]);
+              exit (FATAL_EXIT_CODE);
+            }
+	}
+    }
+
+  if (extract_mode)
+    {
+      do
+        {
+          char *lname = argv[nexti];
+          int lnamelen;
+
+          /* Next argument is the archive name.  */
+          if (is_regular_file (lname))
+            {
+              addarg (xstrdup (to_host_file_spec (lname)));
+              break;
+            }
+
+          /* If not found, try with .olb instead of .a.  */
+          lnamelen = strlen (lname);
+
+	  if (lnamelen > 2
+              && strcmp (&lname [lnamelen - 2], ".a") == 0)
+	    {
+	      char *nlibname;
+
+	      nlibname = (char *)alloca (lnamelen + 3);
+	      strcpy (nlibname, lname);
+	      strcpy (&nlibname [lnamelen - 2], ".olb");
+	      if (is_regular_file (nlibname))
+                {
+                  addarg (xstrdup (to_host_file_spec (nlibname)));
+                  break;
+                }
+            }
+
+          fprintf (stderr, "ar: file '%s' doesn't exist\n", lname);
+          exit (FATAL_EXIT_CODE);
+	} while (0);
+    }
+  else
+    strcpy (libname, to_host_file_spec (argv[nexti]));
+
+  nexti++;
+
+  /* Build command mode.  */
+  if (replace_mode)
+    {
+      strcat (modecmd, "/replace");
+
+      if (!is_regular_file (libname) || !replace_mode)
+        {
+          /* Really create if the archive doesn't exist.  */
+          strcat (modecmd, "/create");
+        }
+    }
+  else if (extract_mode)
+    {
+      if (nexti == argc)
+        {
+          /* Extract all.  */
+          strcat (modecmd, "/extract=(*");
+        }
+      else
+        strcat (modecmd, "/extract=(");
+    }
+
+  /* Add files.  */
+  for (i = nexti; i < argc; i++)
+    {
+      if (extract_mode)
+        {
+          /* Convert to module name (remove extension) and quote it.  */
+          char *module = argv[i];
+          int module_len = strlen (module);
+          char *newarg = (char *)xmalloc (module_len + 3);
+          int l;
+
+          newarg[0] = '"';
+          memcpy (newarg + 1, module, module_len);
+
+          l = 1 + module_len;
+          if (module_len > 4
+              && strcmp (&module[module_len - 4], ".obj") == 0)
+            l -= 4;
+
+          newarg[l] = '"';
+          newarg[l + 1] = 0;
+
+          addarg (newarg);
+        }
+      else
+        {
+          /* Add the filename.  */
+          addarg (xstrdup (to_host_file_spec (argv[i])));
+        }
+    }
+
+  if (extract_mode)
+    addarg (")");
+
+  /* Create the command file name.  */
+  strcpy (temp_filename, TEMP_FILE SUFFIX);
+  comfd = mkstemps (temp_filename, SUFFIX_LEN);
+  comfile = fdopen (comfd, "w");
+
+  /* Write the command file.
+     We need to split to command into severals ones if it is too long.  */
+  outlen = 0;
+  for (iarg = 0; iarg <= lib_arg_index; iarg++)
+    {
+      if (outlen == 0)
+        {
+          fprintf (comfile, "$ library %s %s -\n", modecmd, libname);
+          if (create_mode && iarg == 0)
+            strcpy (modecmd, "/replace");
+        }
+
+      fprintf (comfile, "%s", lib_args [iarg]);
+      outlen += strlen (lib_args [iarg]) + 2;
+
+      if (outlen > maxoutlen || iarg == lib_arg_index)
+        {
+          /* Will write a new command.  */
+          fprintf (comfile, "\n");
+          outlen = 0;
+        }
+      else
+        {
+          /* Continuation line.  */
+          fprintf (comfile, ",-\n");
+        }
+    }
+
+  fclose (comfile);
+
+  sprintf (command, "@%s", temp_filename);
+
+  status = system (command);
+
+  remove (temp_filename);
+
+  exit (status);
+}