From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by sourceware.org (Postfix) with ESMTPS id 6D22D395C056 for ; Wed, 16 Nov 2022 18:41:07 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6D22D395C056 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pf1-x42b.google.com with SMTP id 140so16848801pfz.6 for ; Wed, 16 Nov 2022 10:41:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:reply-to:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=AAFZHLnlVqgesMa+b09QNzjWm+syNhmIMc0ExK9Hdq0=; b=pzBQ68mdL8BUU9CjeqH7bSMjrEAaRXHiJ7tha8Adl+ohNg2g3Q6y4U78lptLzcHXqg e4ueL5lAF+C8Uo6+ijr5DujCZoqbH72m66De0X9nCLRTaQSL5qw8n7qhu9jBc0IHVZeZ XjchaSpLt5MBEUg1eRNglPYjsJyVU07XDpasrTzZuUki5E6GGI1Sw/ngqzmd2MkrDXU9 L+DwayyQ+DSjh+wA9Mi7f8YePPLusXHDLPtAeyT2wyunD0W2EPCz6qyP+J4ys5VlZmrm nfV9VY+B3U6iUASpMwT7AlDN+tbO3QohI1U/WZJ9k9CvkoV77ceEHdZqd1ghBfHQxjXQ s8rA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:reply-to:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AAFZHLnlVqgesMa+b09QNzjWm+syNhmIMc0ExK9Hdq0=; b=Z+1m6TN1jByeYEnqsLhUY7vZLg7zcoB/0taHkWowKotlF+YVEAKJk8Qi5XZEcuHTDC 5+mxXO+gyTvCd7wNptnQWjZH+VcjKK4SOFsG+2LUzMLpJh+7ewX4UeCm5vrwLbAEkFEE rcG/lJlkNFhL6BdZ70ZjFjE3P6iZfuNM8dFXGkvf607bLs8rNPWl7XT+z1y5hhM9qoPM L5Z2a1mKHBJFlZOOxIpa7ABRJCyN6pE98YN6iDfsYDbBZn5pS9MchLEHc6Far1a88uat dtQHo/w3U+DYKdUoxs2R65P7uUnx4w+yIGdapWNVRxIxf7qHRDDiaB8rViRzyvb9t9Oo FSSw== X-Gm-Message-State: ANoB5pn7ZB5lWP0HFYBXujOA1d9GEfkDVGhDsOuJX9cneIaN+KsUZiHN 9RD0KZ+sOtpDPaTec3AhPkyDD8cn+u5UH8AdS7A= X-Google-Smtp-Source: AA0mqf5HQdkVOkWTgzPQru/+xiz7oXHasA6mzphRCNEr4P+30ubjjgz4lWQ/z0JjZ86XRnsLojmOg0cbWMoSQ7urYHc= X-Received: by 2002:a63:5164:0:b0:46f:ec9f:dcb0 with SMTP id r36-20020a635164000000b0046fec9fdcb0mr21619588pgl.202.1668624066164; Wed, 16 Nov 2022 10:41:06 -0800 (PST) MIME-Version: 1.0 References: <24ed5604-305a-4343-a1b6-a789e4723849@app.fastmail.com> <251923e7-57be-1611-be10-49c3067adf0d@cs.ucla.edu> <7ef0ce03-d908-649a-a6ee-89fea374d2b1@cs.ucla.edu> <9cb106e9-16ff-65ec-6a44-6567c77521dc@cs.ucla.edu> <06a5d2cd-44eb-7404-17f3-ff64dd505427@cs.ucla.edu> <4cfa16b3-e9e0-0ec0-659c-e4aef6090995@cs.ucla.edu> In-Reply-To: <4cfa16b3-e9e0-0ec0-659c-e4aef6090995@cs.ucla.edu> Reply-To: noloader@gmail.com From: Jeffrey Walton Date: Wed, 16 Nov 2022 13:40:27 -0500 Message-ID: Subject: Re: How can Autoconf help with the transition to stricter compilation defaults? To: Paul Eggert Cc: c-std-porting@lists.linux.dev, autoconf@gnu.org, gcc@gcc.gnu.org, cfe-commits@lists.llvm.org, Gnulib bugs Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP 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 Wed, Nov 16, 2022 at 1:18 PM Paul Eggert wrote: > ... > If Clang's threatened pickiness were of some real use elsewhere, it > might be justifiable for default Clang to break Autoconf. But so far we > haven't seen real-world uses that would justify this pickiness for > Autoconf's use of 'char memset_explicit(void);'. This line of arguments is not persuasive. It is full of logical fallacies. Maybe the Autoconf folks should argue something along the lines of, "this is the _only_ way to do it because <...>." Jeff