--- a/configure.ac
+++ b/configure.ac
@@ -2179,7 +2179,7 @@
 AC_CHECK_FUNCS([log1p log1pf pipe])
 AC_CHECK_FUNCS([realpath resolvepath roundl])
 AC_CHECK_FUNCS([select setgrent setpwent siglongjmp strsignal])
-AC_CHECK_FUNCS([tcgetattr tcsetattr tempnam tgammaf toascii])
+AC_CHECK_FUNCS([tcgetattr tcsetattr tgammaf toascii])
 AC_CHECK_FUNCS([umask waitpid])
 AC_CHECK_FUNCS([_kbhit])
 

--- a/liboctave/system/module.mk
+++ b/liboctave/system/module.mk
@@ -18,10 +18,6 @@
   system/sysdir.h \
   system/syswait.h
 
-SYSTEM_C_SRC = \
-  system/tempnam.c \
-  system/tempname.c
-
 SYSTEM_SRC = \
   system/dir-ops.cc \
   system/file-ops.cc \
@@ -33,8 +29,7 @@
   system/oct-passwd.cc \
   system/oct-syscalls.cc \
   system/oct-time.cc \
-  system/oct-uname.cc \
-  $(SYSTEM_C_SRC)
+  system/oct-uname.cc
 
 noinst_LTLIBRARIES += system/libsystem.la
 

deleted file mode 100644
--- a/liboctave/system/tempnam.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library 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.
-
-The GNU C Library 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 the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 51 Franklin Street,
-Fifth Floor, Boston, MA  02110-1301, USA.  */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifndef HAVE_TEMPNAM
-
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-extern char *__stdio_gen_tempname (const char *dir, const char *pfx,
-                                   int dir_search, size_t *lenptr,
-                                   FILE **streamptr);
-
-/* Generate a unique temporary filename using up to five characters of PFX
-   if it is not NULL.  The directory to put this file in is searched for
-   as follows: First the environment variable "TMPDIR" is checked.
-   If it contains the name of a writable directory, that directory is used.
-   If not and if DIR is not NULL, that value is checked.  If that fails,
-   P_tmpdir is tried and finally "/tmp".  The storage for the filename
-   is allocated by `malloc'.  */
-char *
-tempnam (const char *dir, const char *pfx)
-{
-  size_t len;
-  register char *s;
-  register char *t = __stdio_gen_tempname (dir, pfx, 1, &len, (FILE **) NULL);
-
-  if (t == NULL)
-    return NULL;
-
-  s = (char *) malloc (len);
-  if (s == NULL)
-    return NULL;
-
-  (void) memcpy (s, t, len);
-  return s;
-}
-
-#endif

deleted file mode 100644
--- a/liboctave/system/tempname.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library 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 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library 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 the GNU C Library; see the file COPYING.  If
-not, write to the Free Software Foundation, Inc., 51 Franklin Street,
-Fifth Floor, Boston, MA  02110-1301, USA.  */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#ifndef HAVE_TEMPNAM
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <fcntl.h>
-
-#include "statdefs.h"
-
-#ifndef FILENAME_MAX
-#ifdef MAXPATHLEN
-#define FILENAME_MAX MAXPATHLEN
-#else
-#define FILENAME_MAX 1024
-#endif
-#endif
-
-#ifndef P_tmpdir
-#define P_tmpdir "/usr/tmp/"
-#endif
-
-/* Return nonzero if DIR is an existent directory.  */
-static int
-diraccess (const char *dir)
-{
-  struct stat buf;
-  return stat (dir, &buf) == 0 && S_ISDIR (buf.st_mode);
-}
-
-/* Return nonzero if FILE exists.  */
-static int
-exists (const char *file)
-{
-  /* We can stat the file even if we can't read its data.  */
-  struct stat st;
-  int save = errno;
-  if (stat (file, &st) == 0)
-    return 1;
-  else
-    {
-      /* We report that the file exists if stat failed for a reason other
-         than nonexistence.  In this case, it may or may not exist, and we
-         don't know; but reporting that it does exist will never cause any
-         trouble, while reporting that it doesn't exist when it does would
-         violate the interface of __stdio_gen_tempname.  */
-      int exists = errno != ENOENT;
-      errno = save;
-      return exists;
-    }
-}
-
-
-/* These are the characters used in temporary filenames.  */
-static const char letters[] =
-  "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-
-/* Generate a temporary filename and return it (in a static buffer).  If
-   STREAMPTR is not NULL, open a stream "w+b" on the file and set
-   *STREAMPTR to it.  If DIR_SEARCH is nonzero, DIR and PFX are used as
-   described for tempnam.  If not, a temporary filename in P_tmpdir with no
-   special prefix is generated.  If LENPTR is not NULL, *LENPTR is set the
-   to length (including the terminating '\0') of the resultant filename,
-   which is returned.  This goes through a cyclic pattern of all possible
-   filenames consisting of five decimal digits of the current pid and three
-   of the characters in `letters'.  Data for tempnam and tmpnam is kept
-   separate, but when tempnam is using P_tmpdir and no prefix (i.e, it is
-   identical to tmpnam), the same data is used.  Each potential filename is
-   tested for an already-existing file of the same name, and no name of an
-   existing file will be returned.  When the cycle reaches its end
-   (12345ZZZ), NULL is returned.  */
-char *
-__stdio_gen_tempname (const char *dir, const char *pfx,
-                      int dir_search, size_t *lenptr,
-                      FILE **streamptr)
-{
-  int saverrno = errno;
-  static const char tmpdir[] = P_tmpdir;
-  static size_t indices[2];
-  size_t *idx;
-  static char buf[FILENAME_MAX];
-  static pid_t oldpid = (pid_t) 0;
-  pid_t pid = getpid ();
-  register size_t len, plen, dlen;
-
-  if (dir_search)
-    {
-      register const char *d = getenv ("TMPDIR");
-      if (d != NULL && !diraccess (d))
-        d = NULL;
-      if (d == NULL && dir != NULL && diraccess (dir))
-        d = dir;
-      if (d == NULL && diraccess (tmpdir))
-        d = tmpdir;
-      if (d == NULL && diraccess ("/tmp"))
-        d = "/tmp";
-      if (d == NULL)
-        {
-          errno = ENOENT;
-          return NULL;
-        }
-      dir = d;
-    }
-  else
-    dir = tmpdir;
-
-  dlen = strlen (dir);
-
-  /* Remove trailing slashes from the directory name.  */
-  while (dlen > 1 && dir[dlen - 1] == '/')
-    --dlen;
-
-  if (pfx != NULL && *pfx != '\0')
-    {
-      plen = strlen (pfx);
-      if (plen > 5)
-        plen = 5;
-    }
-  else
-    plen = 0;
-
-  if (dir != tmpdir && !strcmp (dir, tmpdir))
-    dir = tmpdir;
-  idx = &indices[(plen == 0 && dir == tmpdir) ? 1 : 0];
-
-  if (pid != oldpid)
-    {
-      oldpid = pid;
-      indices[0] = indices[1] = 0;
-    }
-
-  len = dlen + 1 + plen + 5 + 3;
-  for (; *idx < ((sizeof (letters) - 1) * (sizeof (letters) - 1) *
-                 (sizeof (letters) - 1));
-       ++*idx)
-    {
-      /* Construct a file name and see if it already exists.
-
-         We use a single counter in *IDX to cycle each of three
-         character positions through each of 62 possible letters.  */
-
-      if (sizeof (buf) < len)
-        return NULL;
-
-      sprintf (buf, "%.*s/%.*s%.5d%c%c%c",
-               (int) dlen, dir, (int) plen,
-               pfx, pid % 100000,
-               letters[*idx
-                       % (sizeof (letters) - 1)],
-               letters[(*idx / (sizeof (letters) - 1))
-                       % (sizeof (letters) - 1)],
-               letters[(*idx / ((sizeof (letters) - 1) *
-                                (sizeof (letters) - 1)))
-                       % (sizeof (letters) - 1)]
-              );
-
-      if (! buf || strlen (buf) != (int) len)
-        return NULL;
-
-      if (streamptr != NULL)
-        abort ();
-      else if (exists (buf))
-        continue;
-
-      /* If the file already existed we have continued the loop above,
-         so we only get here when we have a winning name to return.  */
-
-      errno = saverrno;
-
-      if (lenptr != NULL)
-        *lenptr = len + 1;
-      return buf;
-    }
-
-  /* We got out of the loop because we ran out of combinations to try.  */
-  errno = EEXIST;               /* ? */
-  return NULL;
-}
-
-#endif