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Re: SUBTARGET_OPTIONS / SUBTARGET_SWITCHES with .opt
- From: Aldy Hernandez <aldyh at redhat dot com>
- To: Richard Sandiford <rsandifo at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 4 Apr 2005 07:02:54 -0400
- Subject: Re: SUBTARGET_OPTIONS / SUBTARGET_SWITCHES with .opt
- References: <20050331001554.GA25204@redhat.com> <87br8v372f.fsf@firetop.home>
> A back end for a target architecture in GCC has the following parts:
> [...]
> @item
> An optional @file{@var{machine}.opt} file in the @file{@var{machine}}
> directory, containing a list of target-specific options. You can also
> add other option files using the @code{extra_options} variable in
> @file{config.gcc}. @xref{Options}.
>
> ...but as so often with gcc documentation, you can probably only find
> it if you already know what it says.
Heh. Yes, thanks to Zack's answer I had already figured this out.
I was looking for the documentation in options.texi instead. :)
Thanks.
Aldy