From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <joseph_myers@mentor.com>
Received: from esa2.mentor.iphmx.com (esa2.mentor.iphmx.com [68.232.141.98])
	by sourceware.org (Postfix) with ESMTPS id D59F0384F02F
	for <gcc@gcc.gnu.org>; Sat, 12 Nov 2022 03:45:41 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org D59F0384F02F
Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=codesourcery.com
Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mentor.com
X-IronPort-AV: E=Sophos;i="5.96,158,1665475200"; 
   d="scan'208";a="86933347"
Received: from orw-gwy-02-in.mentorg.com ([192.94.38.167])
  by esa2.mentor.iphmx.com with ESMTP; 11 Nov 2022 19:45:40 -0800
IronPort-SDR: rDmRybeSLM7Grt2OhWmAyMC5ifZSVtZMpj4aJF73No+3bEbOZi1nM+UpxEA9q3lIs1A/nuogXT
 /bonqGRCT9YoRAq+LRUbw8rl5ZLe4Ikj++yDWzXLe9C+JzCzGOMDk15WUSUHP/zDfqGmBeJN3/
 1KCG01fRuXYJrUPIWVAe9kcuZowSpZJMbmvsRVmQBWv81eFkmxfPYZR6s3zeXsHCw2/BTGaWxf
 J1sDhjpavRQPjT0PAPuk7+vlvSiLhvOw+dCrl7zU77u0QnnQG4HKXcG2z9u8KinteITcmS03pj
 R+8=
Date: Sat, 12 Nov 2022 03:45:35 +0000
From: Joseph Myers <joseph@codesourcery.com>
To: Zack Weinberg <zack@owlfolio.org>
CC: Florian Weimer <fweimer@redhat.com>, Zack Weinberg via Gcc
	<gcc@gcc.gnu.org>, <c-std-porting@lists.linux.dev>, <autoconf@gnu.org>,
	<cfe-commits@lists.llvm.org>, Frederic Berat <fberat@redhat.com>
Subject: Re: How can Autoconf help with the transition to stricter compilation
 defaults?
In-Reply-To: <ypikzgcw96xm.fsf@owlfolio.org>
Message-ID: <164af28-8e4e-29f3-dc6-871fc05b2a57@codesourcery.com>
References: <24ed5604-305a-4343-a1b6-a789e4723849@app.fastmail.com> <87v8nmsmwt.fsf@oldenburg.str.redhat.com> <ypikzgcw96xm.fsf@owlfolio.org>
MIME-Version: 1.0
Content-Type: multipart/mixed;
	boundary="-1152306461-1538882196-1668224735=:699128"
X-Originating-IP: [137.202.0.90]
X-ClientProxiedBy: svr-ies-mbx-10.mgc.mentorg.com (139.181.222.10) To
 svr-ies-mbx-10.mgc.mentorg.com (139.181.222.10)
X-Spam-Status: No, score=-3110.0 required=5.0 tests=BAYES_00,HEADER_FROM_DIFFERENT_DOMAINS,KAM_DMARC_STATUS,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org
List-Id: <gcc.gcc.gnu.org>

---1152306461-1538882196-1668224735=:699128
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8BIT

On Fri, 11 Nov 2022, Zack Weinberg via Gcc wrote:

> These are also a trip hazard for novices, and the only way to turn them
> off is with -std=cXX, which also turns another trip hazard (trigraphs)
> *on*… so yeah, anything you can do to help speed up their removal, I
> think it’d be worthwhile.

As of GCC 13, -std=c2x will disable trigraphs, since they've been removed 
from C2x.

-- 
Joseph S. Myers
joseph@codesourcery.com
---1152306461-1538882196-1668224735=:699128--