http://sourceware.org/ml/gdb-cvs/2012-05/msg00079.html

### src/gdb/ChangeLog	2012/05/10 20:17:46	1.14235
### src/gdb/ChangeLog	2012/05/11 18:06:26	1.14236
## -1,3 +1,10 @@
+2012-05-11  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	Make auto-load handle multiple components of DEBUG_FILE_DIRECTORY.
+	* auto-load.c (auto_load_objfile_script): Remove check for NULL
+	DEBUG_FILE_DIRECTORY.  Handle multiple components of
+	DEBUG_FILE_DIRECTORY.
+
 2012-05-10  Tom Tromey  <tromey@redhat.com>
 
 	* dwarf2read.c (recursively_write_psymbols): New function.
--- src/gdb/auto-load.c	2012/05/06 15:31:02	1.6
+++ src/gdb/auto-load.c	2012/05/11 18:06:28	1.7
@@ -587,17 +587,29 @@
   input = fopen (filename, "r");
   debugfile = filename;
 
-  if (!input && debug_file_directory)
+  if (!input)
     {
-      /* Also try the same file in the separate debug info directory.  */
-      debugfile = xmalloc (strlen (filename)
-			   + strlen (debug_file_directory) + 1);
-      strcpy (debugfile, debug_file_directory);
-      /* FILENAME is absolute, so we don't need a "/" here.  */
-      strcat (debugfile, filename);
-
-      make_cleanup (xfree, debugfile);
-      input = fopen (debugfile, "r");
+      char *debugdir;
+      VEC (char_ptr) *debugdir_vec;
+      int ix;
+
+      debugdir_vec = dirnames_to_char_ptr_vec (debug_file_directory);
+      make_cleanup_free_char_ptr_vec (debugdir_vec);
+
+      for (ix = 0; VEC_iterate (char_ptr, debugdir_vec, ix, debugdir); ++ix)
+	{
+	  /* Also try the same file in the separate debug info directory.  */
+	  debugfile = xmalloc (strlen (debugdir) + strlen (filename) + 1);
+	  strcpy (debugfile, debugdir);
+
+	  /* FILENAME is absolute, so we don't need a "/" here.  */
+	  strcat (debugfile, filename);
+
+	  make_cleanup (xfree, debugfile);
+	  input = fopen (debugfile, "r");
+	  if (input != NULL)
+	    break;
+	}
     }
 
   if (!input && gdb_datadir)