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Re: Bug with -Wall? (2.95.3)

To: "Tom Browder" <TBrowder at home dot com>
Subject: Re: Bug with -Wall? (2.95.3)
From: Alexandre Oliva <aoliva at redhat dot com>
Date: 27 May 2001 23:59:18 -0300
Cc: <gcc-bugs at gcc dot gnu dot org>
Organization: GCC Team, Red Hat
References: <3B1182FD.DDDAC1B1@homepage.ru><002501c0e705$7de27620$98520c18@CX376762B>

On May 27, 2001, "Tom Browder" <tbrowder@home.com> wrote:

>   printf("testing: %td\n", 3);
>   printf("testing %zd\n", 3);

> and gcc 2.95.3 complains about:

> warning: unknown conversion type character `t' in format

> (same for `z')

> but the output is OK.

These are new modifiers that GCC 2.95.3 didn't know about, but the C
library you're using already does.  Even if it did, there's no way it
could know for sure whether the C library you're going to use to run
the program will support them.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me

References:
- A bug with exceptions and threads
  - From: Iggy Veresov
- Bug with -Wall? (2.95.3)
  - From: Tom Browder

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