[RFC] Improve testsuite for poor expect behavior

[Doug Evans]

On Fri, Jun 12, 2009 at 5:00 PM, Pierre Muller<muller@ics.u-strasbg.fr> wrote:
>  I am trying to run the testsuite in a cygwin environment,
> but for mingw32 or djgpp targets, using native builds of GDB.
>
> [...]
>
> 2009-06-12  Pierre Muller  <muller@ics.u-strasbg.fr>
>
>        * lib/gdb.exp (fuzzy_newline): New global.
>        (input_not_from_terminal): New global.
>        (gdb_input_not_from_terminal): New procedure.
>        (gdb_proc_unload): Add pattern corresponding to automated answer
>        if not from terminal.
>        (delete_breakpoints): Likewise.
>        (gdb_run_mcd): Likewise.
>        (gdb_start_cmd): Likewise.
>        (gdb_internal_error_resync): Likewise.
>        (gdb_reinitialize_dir): Likewise.
>        (default_gdb_exit): Likewise.
>        (gdb_file_cmd): Likewise.
>        (rerun_to_main):  Likewise.
>        (gdb_compile): Also compile set_unbuffered_output
>        for djgpp target.
>        (gdb_expect): If fuzzy_newline is set, replace all "\r\n"
>        by "\r+\n" in expcode.

Hi.  I went through the patch.
It's fine with me, fwiw of course.
[I didn't spend _too_ much time vetting the regsub's, but in principle
it seems fine.]