* gdb/source.c (source_info): Mention whether the symtab has

information about preprocessor macros.

* gdb/testsuite/lib/gdb.exp (get_debug_format): Tolerate message
saying whether preprocessor macro information is present.

* gdb/doc/gdb.texinfo (Symbols): Update documentation for `info
source' command.

gdb/source.c

@@ -500,6 +500,8 @@ source_info (char *ignore, int from_tty)
 
   printf_filtered ("Source language is %s.\n", language_str (s->language));
   printf_filtered ("Compiled with %s debugging format.\n", s->debugformat);
+  printf_filtered ("%s preprocessor macro info.\n",
+                   s->macro_table ? "Includes" : "Does not include");
 }