220 14153 <311385fb-551f-49c1-bb31-9d93af348b30@isocpp.org> article Path: news.gmane.org!not-for-mail From: Germinolegrand Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: #pragma once Date: Thu, 23 Oct 2014 05:41:53 -0700 (PDT) Lines: 104 Approved: news@gmane.org Message-ID: <311385fb-551f-49c1-bb31-9d93af348b30@isocpp.org> References: <3d0ab5b0-73d9-434a-9ae4-cd47d8275590@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_695_1647771071.1414068113895" X-Trace: ger.gmane.org 1414068121 22575 80.91.229.3 (23 Oct 2014 12:42:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 23 Oct 2014 12:42:01 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCD6BLGH7YNBBEXPUORAKGQE7W7ENUQ@isocpp.org Thu Oct 23 14:41:57 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f72.google.com ([209.85.220.72]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XhHiG-0006Am-FU for gclcip-std-proposals@m.gmane.org; Thu, 23 Oct 2014 14:41:56 +0200 Original-Received: by mail-pa0-f72.google.com with SMTP id kx10sf4876743pab.3 for ; Thu, 23 Oct 2014 05:41:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe :content-type; bh=BZht499ViISvMI64JxHho7l3TZ5YS6JcmJxRbvL7Cxw=; b=mxQ7yl3is8bVOSEArK8xjlv406OjOyb/hTkPyrYAZmaYXbGNy6Nkha3ufjQQWRC0Sl HbTBc6wHHHkkANtBAuvRSTYO/pd/pMRoPuSzDIij2Z+FWR4WVOHstEjVgUjxVy5UUqQK meOK+sTqgOUvXnDs3eXniH573krct0+Fs65hLikKJFdOLEX0WBbetdjLYyb/3MAlzfuB 835LXmHR3Yby+N6FBiFsV1kGvmS4lHOuGncte9DlqT0Onopa+lqo+jMvpruzMY1YIoB4 nygDxgAgLseMqREwO+3yJ27uzEVTtMOlMYa2Lhyh7WPIctwZo56iPftr+VPcnEHeqfNu LChQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version:x-original-sender:reply-to:precedence :mailing-list:list-id:list-post:list-help:list-archive :list-subscribe:list-unsubscribe:content-type; bh=BZht499ViISvMI64JxHho7l3TZ5YS6JcmJxRbvL7Cxw=; b=PxkxuLM6rratKq7xin9TEHN3qU084oGHN+d7sheLICR8TnZjNhmyCVAe5QYCU7Q0NF YGwJteS5wO2zcaQJ157cBXCYrjboiMQrPV4S0TKWCTuWkZx10cx7vUBQSa8RMTRmuRnZ Brn2XDLMpYXiLm6WDhZJpjSTWjL16FsoAetVaQDoFDnmjlVHGTZqCc8ALHJQbHWrXLaH 2cpINTwa2ZgtW8skM0SwvvsDAvwk6BdLx5mBJtZu9DasDTuHSsR1n9gDVkC0SQeJDUrD WxFaP/l3aAUdCFn1Iyjgsc9FnIliL48IeLx0s4RZc7eh9viBT0wk/c5BdGFhb0pc2CMG kRzA== X-Gm-Message-State: ALoCoQl3mkQkNRMgejy/FJkvciNIxn68fgT8CAPUIOncsIyTtAdvO62tDRGKd66LwMK1EX/Rt22G X-Received: by 10.70.54.37 with SMTP id g5mr3098236pdp.3.1414068115243; Thu, 23 Oct 2014 05:41:55 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.35.104 with SMTP id m95ls1154597qgm.22.gmail; Thu, 23 Oct 2014 05:41:54 -0700 (PDT) X-Received: by 10.140.22.239 with SMTP id 102mr62586qgn.1.1414068114124; Thu, 23 Oct 2014 05:41:54 -0700 (PDT) In-Reply-To: X-Original-Sender: germinolegrand@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:14153 Archived-At: ------=_Part_695_1647771071.1414068113895 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I wish so much I could use clang... such a great compiler :-). But when a compiler has to analyse code patterns, I believe those should at= =20 least be turned into a "language" feature, #once . Anyway, this leaves us with the other half, still unsolved even on clang. Le jeudi 23 octobre 2014 14:20:59 UTC+2, Agust=C3=ADn K-ballo Berg=C3=A9 a = =C3=A9crit : > > Clang 3.4 says:=20 > > prog.cc:1:9: warning: 'CSCWRITER_H_' is used as a header guard here,=20 > followed by #define of a different macro [-Wheader-guard] #ifndef=20 > CSCWRITER_H_ ^~~~~~~~~~~~=20 > > prog.cc:2:10: note: 'CSVWRITER_H_' is defined here; did you mean=20 > 'CSCWRITER_H_'? # define CSVWRITER_H_ ^~~~~~~~~~~~ CSCWRITER_H_ 1=20 > warning generated.=20 > > Live demo here: http://melpon.org/wandbox/permlink/4ZNSw5ijsqIoTrOp=20 > > Regards,=20 > --=20 > Agust=C3=ADn K-ballo Berg=C3=A9.-=20 > http://talesofcpp.fusionfenix.com=20 > --=20 ---=20 You received this message because you are subscribed to the Google Groups "= ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposa= ls/. ------=_Part_695_1647771071.1414068113895 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I wish so much I could use clang... such a great compiler = :-).
But when a compiler has to analyse code patterns, I believe those should at least be turned into a "language" feature, #once <tag>.
Anyway, this leaves us with the other half, still unsolved even on clang.
Le jeudi 23 octobre 2014 14:20:59 UTC+2, Agust=C3=ADn K-ballo Berg=C3= =A9 a =C3=A9crit :

Clang 3.4 says:

prog.cc:1:9: warning: 'CSCWRITER_H_' is used as a header guard here,=20
followed by #define of a different macro [-Wheader-guard] #ifndef=20
CSCWRITER_H_ ^~~~~~~~~~~~

prog.cc:2:10: note: 'CSVWRITER_H_' is defined here; did you mean=20
'CSCWRITER_H_'? # define CSVWRITER_H_ ^~~~~~~~~~~~ CSCWRITER_H_ 1=20
warning generated.

Live demo here: http://melpon.org/wandbox= /permlink/4ZNSw5ijsqIoTrOp

Regards,
--=20
Agust=C3=ADn K-ballo Berg=C3=A9.-
http://talesofcpp.fusionfenix.com

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