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Re: -std's (was Re: v3 link failures analyzed)
- To: "Joseph S. Myers" <jsm28 at cam dot ac dot uk>
- Subject: Re: -std's (was Re: v3 link failures analyzed)
- From: Gabriel Dos Reis <gdr at codesourcery dot com>
- Date: 10 Jan 2001 13:02:43 +0100
- Cc: Gabriel Dos Reis <dr at codesourcery dot com>, Richard Henderson <rth at redhat dot com>, Gabriel Dos Reis <gdr at codesourcery dot com>, Phil Edwards <pedwards at disaster dot jaj dot com>, Robert Lipe <robertl at sco dot com>, <libstdc++ at gcc dot gnu dot org>, <gcc at gcc dot gnu dot org>
- Organization: CodeSourcery, LLC
- References: <Pine.LNX.4.30.0101101140360.21368-100000@kern.srcf.societies.cam.ac.uk>
"Joseph S. Myers" <jsm28@cam.ac.uk> writes:
| On 10 Jan 2001, Gabriel Dos Reis wrote:
|
| > Hmm, I'm having some trouble to understand why the short for the
| > defaulted ISO standard should read '-ansi'. Could you elaborate
| > please?
|
| -ansi is (for C) an obsolete option that exists only for backwards
| compatibility. Standards should be selected with -std only in new code.
| For completeness, there should be -std=traditional or similar (equivalent
| to -traditional) and the C++ compiler should also start to use -std (even
| in the absence of supported old standard versions).
Thanks. Now I understand the motivation. But I still think that
there should be an alias for the most recent standard in effect
(and understood by the compiler).
| Note: there are *many* places in specs in the config directory that check
| for -ansi, not for other -std options. These really ought to be fixed
| before -std can be recommended as an all-purpose substitute for -ansi.
Completely agreed.
-- Gaby
CodeSourcery, LLC http://www.codesourcery.com