From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from omta036.useast.a.cloudfilter.net (omta036.useast.a.cloudfilter.net [44.202.169.35]) by sourceware.org (Postfix) with ESMTPS id 180DF3858D20 for ; Wed, 29 May 2024 17:34:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 180DF3858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 180DF3858D20 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=44.202.169.35 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1717004044; cv=none; b=nn1g46+nPN7Eea0kujQ0ewmCPRTsvssd3e40O4XN6CKapGfx2BXSzkbDo4UujpJkf4fF4UYmQbYPO+/7beoisoV9n1/jpSsu05AVoj6EL7GYKkEmJ+RlsSIqER906gp7tavdhDrftCRvT9fMFviQb7X10RZEvnOTUrzz+2R26t8= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1717004044; c=relaxed/simple; bh=KQLZi9TKZ7xCpqlMpdnAcpZP3RBo4W8JDrvTf+1u26w=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=VkXh/MbWq6HkygE6lkH353HFW83v8wSjU+Yhf09KZSkI83hiMXQw5kf0uc1cNX8eeQnjbUhiRuLctJznmg5WwYERNUYArCj5ZtJ/Zwv5fd4e44BIFCBGDjAEy8wE42RKSmBqHvQrc1MYJiAKRhB1/hLd/oe5LvpsS4BU2jeG+Lw= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from eig-obgw-5001a.ext.cloudfilter.net ([10.0.29.139]) by cmsmtp with ESMTPS id CIDGsNSz4AidICNBYsF9Ab; Wed, 29 May 2024 17:34:00 +0000 Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTPS id CNBXsa72LCaXoCNBXsEtw2; Wed, 29 May 2024 17:34:00 +0000 X-Authority-Analysis: v=2.4 cv=deBL3mXe c=1 sm=1 tr=0 ts=66576708 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=TpHVaj0NuXgA:10 a=Qbun_eYptAEA:10 a=20KFwNOVAAAA:8 a=DgVCbayz7MNrIehZ-7wA:9 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:Date:References:In-Reply-To :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=75MPSf5vLpDNGTBi/Vzp7TRzvGnvKSavMZ+7iWN6dd4=; b=wzNoKZeJDFW6GtpXj49HciE8Dz /fLquITc4irJ9IoQkAnr9kTgsaPP53QAb1oGKjqNzt/QhwEP3feJlSs8NkXspVkCNucodhc9pJqNl bMu4Es8Ofkq13jdnAtTH3yJIB; Received: from 75-166-134-4.hlrn.qwest.net ([75.166.134.4]:48424 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1sCNBW-0036Lg-2O; Wed, 29 May 2024 11:33:58 -0600 From: Tom Tromey To: Jason Merrill Cc: Paul Eggert , Jakub Jelinek , Jonathan Wakely , Florian Weimer , Peter Johansson , Zack Weinberg , Autoconf , "gcc@gcc.gnu.org" Subject: Re: configure adds -std=gnu++11 to CXX variable In-Reply-To: (Jason Merrill's message of "Tue, 28 May 2024 14:27:28 -0400") References: <00dc6e30-2e12-4b29-951b-d600097b38d0@gmail.com> <80bf1a5a-63a3-4da4-8721-88c760243add@cs.ucla.edu> <878qzv1r13.fsf@oldenburg.str.redhat.com> <3e852f76-9508-4c2e-bef3-7af8a10b626e@cs.ucla.edu> <25aee7da-bdd5-4a2a-b6ac-fa1a4aa11cc7@cs.ucla.edu> <6c8175d0-a1ba-438f-9f45-57a73790a1d6@cs.ucla.edu> X-Attribution: Tom Date: Wed, 29 May 2024 11:33:57 -0600 Message-ID: <878qzsset6.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - gcc.gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 75.166.134.4 X-Source-L: No X-Exim-ID: 1sCNBW-0036Lg-2O X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-134-4.hlrn.qwest.net (murgatroyd) [75.166.134.4]:48424 X-Source-Auth: tom+tromey.com X-Email-Count: 10 X-Org: HG=bhshared;ORG=bluehost; X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfAJ1baRD4/tiqs1tATgz3RSXvY4bJywat/In3fM81IvUXz6nqmiusc3aIFcRy8JFk1bKf+D6Qxqp65eRHop+5l0ps5AS3iy4ezkWiLV/Ri3kr7uAv7rR M+Oegv3+MiCbyqDSQSlXCIOp15iSUuYm+RZnxgHK0VWRnzRUDyzjqQv0JJ6XrMAHpds0dGT6i2q7sw== X-Spam-Status: No, score=-3014.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,JMQ_SPF_NEUTRAL,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE 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: >>>>> "Jason" == Jason Merrill writes: Jason> Thanks, though I don't think all that code needs to go; Jason> AC_PROG_CXX_STDCXX_EDITION_TRY still looks useful for a project that Jason> relies on features from a particular standard. We just don't want Jason> AC_PROG_CXX to invoke it. I didn't read the macro but there's also config/ax_cxx_compile_stdcxx.m4. gdb uses this to make sure C++17 is available. Tom