From: Ian Lance Taylor <ian@wasabisystems.com>
To: Eric Botcazou <ebotcazou@act-europe.fr>
Cc: gcc@gcc.gnu.org
Subject: Re: -fzero-initialized-in-bss again
Date: Fri, 30 Apr 2004 21:39:00 -0000 [thread overview]
Message-ID: <m3zn8t2qt0.fsf@gossamer.airs.com> (raw)
In-Reply-To: <200404302109.55902.ebotcazou@act-europe.fr>
Eric Botcazou <ebotcazou@act-europe.fr> writes:
> We recently (after the 3.4.0 release, unfortunately) discovered that the
> default option -fzero-initialized-in-bss has an annoying side-effect for the
> Ada compiler: it may prevent the user from overriding an object in a library
> (e.g. the runtime) by a local, slightly modified copy of the object.
Whether something like -fzero-initialized-in-bss is correct really
depends on language rules. It sounds like the Ada compiler should
turn it off by default. Or else the Ada compiler should default to
-fno-common; that is also a language rules issue.
Ian
next prev parent reply other threads:[~2004-04-30 19:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-30 21:31 Eric Botcazou
2004-04-30 21:39 ` Ian Lance Taylor [this message]
[not found] ` <jmad0txhey.fsf@desire.geoffk.org>
2004-05-01 7:33 ` Eric Botcazou
2004-04-30 21:46 Richard Kenner
2004-04-30 21:52 ` Ian Lance Taylor
2004-04-30 23:06 ` Richard Henderson
2004-05-01 14:54 ` Eric Botcazou
2004-05-01 17:46 ` Richard Henderson
2004-05-01 8:03 ` Eric Botcazou
2004-04-30 22:22 Richard Kenner
[not found] <10404302228.AA06573@vlsi1.ultra.nyu.edu>
2004-05-01 8:20 ` Eric Botcazou
2004-05-01 12:13 Richard Kenner
2004-05-01 13:11 ` Eric Botcazou
2004-05-01 15:29 Richard Kenner
2004-05-01 16:18 ` Eric Botcazou
2004-05-01 18:13 ` Richard Henderson
2004-05-03 2:40 ` Ian Lance Taylor
2004-05-03 17:56 ` Geoff Keating
2004-05-03 18:00 Richard Kenner
2004-05-03 21:29 ` Gabriel Dos Reis
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