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Re: preprocessor/2219
- To: nobody at gcc dot gnu dot org
- Subject: Re: preprocessor/2219
- From: Jeremy Elson <jelson at circlemud dot org>
- Date: 8 Mar 2001 07:46:01 -0000
- Cc: gcc-prs at gcc dot gnu dot org,
- Reply-To: Jeremy Elson <jelson at circlemud dot org>
The following reply was made to PR preprocessor/2219; it has been noted by GNATS.
From: Jeremy Elson <jelson@circlemud.org>
To: neil@gcc.gnu.org
Cc: gcc-gnats@gcc.gnu.org, nobody@gcc.gnu.org
Subject: Re: preprocessor/2219
Date: Wed, 07 Mar 2001 23:41:18 -0800
Oops - I guess the attachment didn't go through. Do you want me to
email it or post a new bug report?
I wanted to use the ##, as described in the documentation, so that the
trailing "," would be removed in case there is no argument given.
-Jer
neil@gcc.gnu.org writes:
>Synopsis: Using "##" with macro varargs generates spurious warning
>
>State-Changed-From-To: open->closed
>State-Changed-By: neil
>State-Changed-When: Wed Mar 7 23:35:35 2001
>State-Changed-Why:
> The message is correct. You cannot paste the two tokens
> and get a valid preprocessing token. The only token
> beginning with a '(' is the '(' token itself. The only
> thing that can be pre-pasted with a string literal is the
> letter 'L' to make it wide.
>
> Try removing the ##, you probably don't need it.
> I can't be sure how to fix your problem, because there is
> no attachment.
>
>http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2219&database=gcc