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From: ctron@dentrassi.de
To: gcc-gnats@gcc.gnu.org
Subject: preprocessor/8782: concatenating in macro produces strange warnings
Date: Mon, 02 Dec 2002 02:46:00 -0000	[thread overview]
Message-ID: <20021202104156.18057.qmail@sources.redhat.com> (raw)


>Number:         8782
>Category:       preprocessor
>Synopsis:       concatenating in macro produces strange warnings
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Dec 02 02:46:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     ctron@dentrassi.de
>Release:        3.2
>Organization:
>Environment:

>Description:
when using the code from "how-to-repeat" the following macro is emitted. The compilation works, but the warning is anoying.

warning: pasting "::" and "ostream" does not give a valid preprocessing token
>How-To-Repeat:
use the following statements:

#define MACRO(x) std:: ## x

or

#define MACRO(x) std::##x

the warning will be generated altough it works afterwards.
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:


             reply	other threads:[~2002-12-02 10:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-02  2:46 ctron [this message]
2002-12-02  3:04 neil
2002-12-02  5:36 Jens Reimann
2002-12-02 12:16 Neil Booth

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