This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: PR preprocessor/33305: Warn for empty macro arguments

From: "Joseph S. Myers" <joseph at codesourcery dot com>
To: Andrew Haley <aph at redhat dot com>
Cc: "Kaveh R. GHAZI" <ghazi at caip dot rutgers dot edu>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 13 Jun 2008 16:34:20 +0000 (UTC)
Subject: Re: PR preprocessor/33305: Warn for empty macro arguments
References: <484FE466.5080006@redhat.com> <Pine.GSO.4.58.0806120258430.12558@caipclassic.rutgers.edu> <485117FA.4070106@redhat.com> <48529FB6.4020301@redhat.com>

On Fri, 13 Jun 2008, Andrew Haley wrote:

> +		     "in macro %s arg %d: "
> +		     "empty macro arguments are undefined in C89",

Such diagnostics in GCC conventionally say "ISO C90".  If compiling C++, 
it should say "ISO C++" instead.  (I have not checked whether the C++0x 
draft allows empty macro arguments; if so, "ISO C++98" would be the right 
thing to say for C++.)

-- 
Joseph S. Myers
joseph@codesourcery.com

Follow-Ups:
- Re: PR preprocessor/33305: Warn for empty macro arguments
  - From: Joseph S. Myers

References:
- c-common.c requires C99
  - From: Andrew Haley
- Re: c-common.c requires C99
  - From: Kaveh R. GHAZI
- Re: c-common.c requires C99
  - From: Andrew Haley
- PR preprocessor/33305: Warn for empty macro arguments
  - From: Andrew Haley

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]