new file mode 100644
--- /dev/null
+++ b/lib/rename.c
@@ -0,0 +1,59 @@
+/* @IGNORE@ -*- c -*- */
+/* Work around the bug in some systems whereby rename fails when the
+   source path has a trailing slash.  The rename from SunOS 4.1.1_U1
+   has this bug.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+
+   This program 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, or (at your option)
+   any later version.
+
+   This program 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 this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* written by Volker Borchert */
+
+#include <config.h>
+#include <stdio.h>
+
+#ifndef HAVE_DECL_FREE
+"this configure-time declaration test was not run"
+#endif
+#if !HAVE_DECL_FREE
+void free ();
+#endif
+
+/* Rename the file SRC_PATH to the file DST_PATH, removing any trailing
+   slashes from SRC_PATH. Needed for SunOS 4.1.1_U1.  */
+
+int
+rpl_rename (const char *src_path, const char *dst_path)
+{
+  char *src_temp;
+  int i;
+  int t;
+
+  i = strlen (src_path) - 1;
+  if (src_path[i] == '/')
+    {
+      src_temp = xstrdup (src_path);
+      for ( ; i > 0 && src_path[i] == '/'; i--)
+	src_temp[i] = '\0';
+    }
+  else
+    src_temp = (char *) src_path;
+
+  t = rename (src_temp, dst_path);
+
+  if (src_temp != src_path)
+    free (src_temp);
+
+  return t;
+}