From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8971 invoked by alias); 13 Jan 2012 17:27:01 -0000 Received: (qmail 8914 invoked by uid 22791); 13 Jan 2012 17:27:00 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 13 Jan 2012 17:26:48 +0000 From: "bkoz at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/51849] New: -Wc99-compat would be considered useful Date: Fri, 13 Jan 2012 17:51:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: bkoz at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-01/txt/msg01536.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51849 Bug #: 51849 Summary: -Wc99-compat would be considered useful Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: bkoz@gcc.gnu.org The default "C" language dialect for GCC is gnu89. To ease the transition to the eventual switch to gnu99, a warning flag is desired that can flag potentially changed language features between C89 and C99, much like -Wc++11-compat helps programmers transition from C++03 to C++11. See some of the commentary from Joseph here: http://gcc.gnu.org/ml/gcc/2012-01/msg00126.html