220 19290 <1720943.XpK8Tt98Hf@tjmaciei-mobl4> article Path: news.gmane.org!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Testing for supported features: Per-feature macros? Sentinel compilation? Date: Sun, 26 Jul 2015 15:54:07 -0700 Lines: 29 Approved: news@gmane.org Message-ID: <1720943.XpK8Tt98Hf@tjmaciei-mobl4> References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1437951259 25955 80.91.229.3 (26 Jul 2015 22:54:19 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Jul 2015 22:54:19 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBEWK2WWQKGQE57C6IVI@isocpp.org Mon Jul 27 00:54:12 2015 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-lb0-f200.google.com ([209.85.217.200]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZJUo7-000344-Fs for gclcip-std-proposals@m.gmane.org; Mon, 27 Jul 2015 00:54:11 +0200 Original-Received: by lbcjf8 with SMTP id jf8sf21826502lbc.0 for ; Sun, 26 Jul 2015 15:54:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-type:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=2RtIxNPCF+K5zkKm+ncKxJppfnv+IFlTphHS6MEmbyE=; b=YuABLR4IuX1/8MynZLj+YRujrbkAMRRkkwczsmNLzgdEdhEBnLput3RzV4JYowykJz PUl1VKYPmRYX1aiCf265RvIN25D7iwBtVMD/DH8DNzX2iHAZiNJvhB4eSaPq3U+qXwhm gElj8xCuV1IQGKhnaqFecIJleEoWvA6UjSftMVZQPwfVHwLK6iJHgnRlXLAIJYILGRPC tHzQltrG48+yalUqNnEyIETRt12uotZn4mN9oBTAQnI06Es+mL3CvcyvirYbLIivPUwp VHivETUN+wE2A6YrBMKSHOIgrgqpNsnZrm5fTny/2DR8HWsD+raCLxO1E48aFX7qQRRu TbDA= X-Gm-Message-State: ALoCoQmQe/IWjxAHAJ4L305gS4v+4zlJwWhYtzoURHcv+Ur5odGGzNwwNHknK1LsfBxRyIhqThIh X-Received: by 10.180.216.12 with SMTP id om12mr4110700wic.1.1437951250910; Sun, 26 Jul 2015 15:54:10 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.180.88.161 with SMTP id bh1ls516938wib.46.canary; Sun, 26 Jul 2015 15:54:09 -0700 (PDT) X-Received: by 10.180.83.135 with SMTP id q7mr17985206wiy.17.1437951249805; Sun, 26 Jul 2015 15:54:09 -0700 (PDT) Original-Received: from gondolin.macieira.info (gondolin.macieira.info. [2a01:4f8:d13:f81:21c:14ff:fe01:12a3]) by mx.google.com with ESMTP id fj6si10816092wib.55.2015.07.26.15.54.09 for ; Sun, 26 Jul 2015 15:54:09 -0700 (PDT) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 2a01:4f8:d13:f81:21c:14ff:fe01:12a3 as permitted sender) client-ip=2a01:4f8:d13:f81:21c:14ff:fe01:12a3; Original-Received: from tjmaciei-mobl4.localnet (unknown [IPv6:2601:1c0:5803:81c9:a88d:786e:676b:dda3]) by gondolin.macieira.info (Postfix) with ESMTPSA id 1D56B11B4F8 for ; Sun, 26 Jul 2015 15:54:09 -0700 (PDT) User-Agent: KMail/4.14.9 (Linux/4.0.5-3-desktop; KDE/4.14.9; x86_64; ; ) In-Reply-To: X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 2a01:4f8:d13:f81:21c:14ff:fe01:12a3 as permitted sender) smtp.mail=thiago@macieira.org Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org 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:19290 Archived-At: On Sunday 26 July 2015 13:35:01 denis bider wrote: > This is nice and all, but it's a *lot* of bureaucracy for a non-general > solution that needs maintenance with every new language version; and leaves > out niche situations that sentinel compilation would solve (e.g. > implementation differences between compilers that *claim* to implement the > same feature). What bureaucracy are you talking about? The up-to-date list is http://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations Sentinel compilation would imply a major feature to the language. You can already do that with a configure script, if you want, though. -- Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org Software Architect - Intel Open Source Technology Center PGP/GPG: 0x6EF45358; fingerprint: E067 918B B660 DBD1 105C 966C 33F5 F005 6EF4 5358 -- --- 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 email 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-proposals/. .