From: "Joseph S. Myers" <joseph@codesourcery.com>
To: Roland McGrath <roland@hack.frob.com>
Cc: <libc-alpha@sourceware.org>, <libc-ports@sourceware.org>
Subject: Re: [PATCH roland/off64_t] clean up wordsize-64 off_t functions
Date: Thu, 02 Aug 2012 20:46:00 -0000 [thread overview]
Message-ID: <Pine.LNX.4.64.1208022043420.28917@digraph.polyomino.org.uk> (raw)
In-Reply-To: <20120802172110.E4A912C0DF@topped-with-meat.com>
On Thu, 2 Aug 2012, Roland McGrath wrote:
> ia64 and powerpc64 don't have their own bits/typesizes.h files. So some
> more work will be required there too and again I'm not entirely sure
> what's best to do. We can make the generic bits/typesizes.h test
> __LP64__, but I'm not positive that all compiler versions that we
> support for those targets defined that. (Note that here we have to be
> concerned with all compilers that we support for building applications
> with libc headers, not just the compilers we support for building libc
> itself.)
How is this definition *used* by installed headers? If installed headers
don't use it (only define it), it could be conditioned on _LIBC so it's
clear it's not a public interface. It appears __LP64__ has been defined
(if long and pointers are 64-bit and int is 32-bit) since at least GCC
3.4.
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2012-08-02 20:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 17:21 Roland McGrath
2012-08-02 18:14 ` Chris Metcalf
2012-08-02 20:23 ` Roland McGrath
2012-08-02 20:46 ` Joseph S. Myers [this message]
2012-08-02 20:54 ` Roland McGrath
2012-08-02 21:47 ` Roland McGrath
2012-08-02 21:55 ` [PATCH roland/dirent64] clean up wordsize-64 struct dirent functions Roland McGrath
2012-08-03 20:12 ` Richard Henderson
2012-08-04 8:30 ` David Miller
2012-08-04 9:23 ` Andreas Schwab
2012-08-04 9:26 ` David Miller
2012-08-04 10:37 ` David Miller
2012-08-04 16:14 ` Chris Metcalf
2012-08-03 19:58 ` [PATCH roland/off64_t] clean up wordsize-64 off_t functions Richard Henderson
2012-08-03 20:12 ` Roland McGrath
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