https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31357
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |documentation
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-09-17
CC| |egallager at gcc dot gnu.org
Summary|--help and --help=<value> |document that --help and
|options cannot be combined. |--help=<value> options
| |cannot be combined.
Ever confirmed|0 |1
Severity|normal |minor
--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Nick Clifton from comment #1)
> Hi Brooks,
>
> I do not think that this is a bug, although it is possibly a documentation
> issue. The --help=<> option restricts the output to a specified subset of
> the full output obtained with just the --help option. Thus it makes sense
> that if both --help and --help=<> are specified on the same command line and
> that it is documentated that --help=<> options combine, then the output
> should be the entire --help output.
>
> So, how do you feel about this patch ?
>
> Cheers
> Nick
>
> gcc/ChangeLog
> 2007-03-28 Nick Clifton <ni...@redhat.com>
>
> PR driver/31357
> * doc/invoke.texi (--help=): Document that --help overrides --help=.
>
> Index: gcc/doc/invoke.texi
> ===================================================================
> --- gcc/doc/invoke.texi (revision 123290)
> +++ gcc/doc/invoke.texi (working copy)
> @@ -1169,7 +1177,9 @@ optimization options the following can b
>
> The @option{--help=} option can be repeated on the command line. Each
> successive use will display its requested class of options, skipping
> -those that have already been displayed.
> +those that have already been displayed. If @option{--help} is also
> +specified anywhere on the command line then this will take precedence
> +over any @option{--help=} option.
>
> If the @option{-Q} option appears on the command line before the
> @option{--help=} option, then the descriptive text displayed by
Confirming as a documentation issue; please send your patch to the gcc-patches
mailing list for review.
