From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id EF0073858C32 for ; Mon, 27 May 2024 19:18:48 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org EF0073858C32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org EF0073858C32 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1716837530; cv=none; b=XyjUucLdUdk6GVeuKyZxvddYyAk4E4I9Phh3WaSDlSu2TAY2vQ+4osXfNQQSqk2mDrx9iUKm6c6uGiL+0FAMXgKa5ZW4rGwtjxvbhQyGTYYbMzz82OXgLVcRj6FS9mHg81vY4C4l7bOGPGONPsynb3WFt+VoaNx6LDA/cXK9y64= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1716837530; c=relaxed/simple; bh=8f2PU2XHMlC+Vlt2mbdm/+wQHEfxrFZQQ16d1yJG36A=; h=DKIM-Signature:Date:From:To:Subject:Message-ID:MIME-Version; b=OhvQxMPOj0YJerFFVM/AI9UVUPGPgN3BDHkxN+hKB48njgXCey9+E766ISzfx2g0tym/r/9RsKchuQs7E6Yl4JxAnYrJcl8SAqRjiaBuspEbgJdM0A0Yz5zKsbSsjH03uha9FYJMXevPzkxqR8L4LcLU2/p6ZYPFWySWMkbzDH0= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716837528; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=2fJzPQjkd1siH2DLm960sYFnwguH73Bv0+dBbC2r+NE=; b=W+aZbY7nENCXzy21Br/yULgtRHQoSbqaQcgEb7jEhua3sRbAzY2qWb/991a9cSbwuBZqfw A/oP2PnumwzPkKkownbfyuBxR0i0agLQj8UxQwEPAzKg09kaGWIwd3viK8CxVmfRMSxEAC SrMbNGVNcrCDxbU8tbYvmliVe1Ghtbg= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-345-SuUn92LpOCyfMddetMB4kA-1; Mon, 27 May 2024 15:18:47 -0400 X-MC-Unique: SuUn92LpOCyfMddetMB4kA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B598A101A525; Mon, 27 May 2024 19:18:46 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.45.224.7]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 47D5440C6EB7; Mon, 27 May 2024 19:18:46 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.17.1/8.17.1) with ESMTPS id 44RJIilX3279051 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 27 May 2024 21:18:44 +0200 Received: (from jakub@localhost) by tucnak.zalov.cz (8.17.1/8.17.1/Submit) id 44RJIhRK3279050; Mon, 27 May 2024 21:18:43 +0200 Date: Mon, 27 May 2024 21:18:43 +0200 From: Jakub Jelinek To: Paul Eggert Cc: Florian Weimer , Peter Johansson , Zack Weinberg , Autoconf , gcc@gcc.gnu.org Subject: Re: configure adds -std=gnu++11 to CXX variable Message-ID: Reply-To: Jakub Jelinek 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> MIME-Version: 1.0 In-Reply-To: <3e852f76-9508-4c2e-bef3-7af8a10b626e@cs.ucla.edu> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Mon, May 27, 2024 at 12:04:40PM -0700, Paul Eggert wrote: > On 2024-05-27 03:35, Florian Weimer wrote: > > Does this turn on experimental language modes by default? That's > > probably not what we want. > > What do C++ developers want these days? Autoconf should have a reasonable > default, and C++11 is surely not a good default anymore. Maybe respect the carefully chosen compiler default (unless explicitly overridden in configure.ac)? Jakub