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 8C368384AB58 for ; Fri, 3 May 2024 15:06:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8C368384AB58 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 8C368384AB58 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=1714748794; cv=none; b=t4USx6z5Rxbr8mom0CJuKEsB/Eey8dqslJOL5bHMAO3IjEPLY66rwRdvjRPOR6MTYN3WCPBGVbk+ACMMrbLCMsd95+vlmkKiffSGzkBhGVZ7nMiyRKvHIj7Mssd1FlJ54pDvrpXO/wveJpBXYC9b+VUIfEzyOtrNzRbnkAE+5WU= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714748794; c=relaxed/simple; bh=hRqdLojzBDlIjhS//l4oEsHrlG+P3U6X27xiQdfUOlk=; h=DKIM-Signature:Date:From:To:Subject:Message-ID:MIME-Version; b=QEr3lvvoVCQqLn/q/8HdQxuD9a1KwwiWI87TOF8OcGRWks2+7tw4cwufqrtm1T73+Z8EzjFPqLQaCJIaY+E4H8qYE2dXeBs6JzBD37+CnHy+gJTcUJJYM0SV+wg32qgt5D+NE0K3V54NLHrD33Im65pzkUX7E0JnnGiSlMF1ycM= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1714748792; h=from:from: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=cDW/83OFu2t6P5pot4qHgH9mv/VDPHHjxGpzD2qDC9U=; b=go6c+znMHo4loJIpOZw4iLngTAb4nm/fgajPsl2gFTz8ROkVaDJ6XS5nOOmvcHm+7itwJ2 fsW7D48dWq3o1/AI7EVfsjS8ByE4plKnIUCtrs0R8aWoUA5d6DIh2rhNZjyizD02afDx0m Ylglj1w7CxYnibwsX7yYLV41niWzj4U= 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-375-kuhnudNANWCiMc4PztHoMw-1; Fri, 03 May 2024 11:06:30 -0400 X-MC-Unique: kuhnudNANWCiMc4PztHoMw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (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 1D8D3803E4B; Fri, 3 May 2024 15:06:29 +0000 (UTC) Received: from localhost (unknown [10.42.28.238]) by smtp.corp.redhat.com (Postfix) with ESMTP id E13341121306; Fri, 3 May 2024 15:06:28 +0000 (UTC) Date: Fri, 3 May 2024 16:06:28 +0100 From: Jonathan Wakely To: Sebastian Huber Cc: GCC Patches , fweimer@redhat.com Subject: Re: [PATCH v2] gcc-14: Mention that some warnings are now errors Message-ID: References: <20240415060539.97988-1-sebastian.huber@embedded-brains.de> <1931504601.15974.1713961718420.JavaMail.zimbra@embedded-brains.de> <8d69a68a-1f2c-4018-aa3b-dcf18a9b9296@embedded-brains.de> MIME-Version: 1.0 In-Reply-To: <8d69a68a-1f2c-4018-aa3b-dcf18a9b9296@embedded-brains.de> X-Clacks-Overhead: GNU Terry Pratchett X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,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 02/05/24 16:29 +0200, Sebastian Huber wrote: >On 24.04.24 14:28, Sebastian Huber wrote: >>----- Am 15. Apr 2024 um 8:05 schrieb Sebastian Huber sebastian.huber@embedded-brains.de: >> >>>--- >>>v2: Remove listing of options. >>> >>>htdocs/gcc-14/changes.html | 2 ++ >>>1 file changed, 2 insertions(+) >>> >>>diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html >>>index 8ac08e9a..665d050a 100644 >>>--- a/htdocs/gcc-14/changes.html >>>+++ b/htdocs/gcc-14/changes.html >>>@@ -231,6 +231,8 @@ a work-in-progress.

>>> previous options -std=c2x, -std=gnu2x >>> and -Wc11-c2x-compat, which are deprecated but remain >>> supported. >>>+
  • Some warnings are now errors by default (see also >>>+ Porting to GCC 14).
    • >>> >>> >>>

    C++

    >>>-- >>>2.35.3 >> >>Ping. > >I think it would be helpful to reference this change in the C section. >This warning to error change causes some issues with legacy software. I agree it should be mentioned, but I would put it in the caveats section at the top, not as the last item of the C section. How about this? OK for wwwdocs? -- >8 -- commit fe5fd75ea5a7a08eee0831cadbdd05689e9408db Author: Jonathan Wakely Date: Fri May 3 16:04:49 2024 +0100 Add caveat to GCC 14 release notes about C warnings-as-errors change diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html index 46a0266d..82906de1 100644 --- a/htdocs/gcc-14/changes.html +++ b/htdocs/gcc-14/changes.html @@ -40,6 +40,11 @@ a work-in-progress.

    -Wflex-array-member-not-at-end to identify all such cases in the source code and modify them. +
  • C: + Certain warnings about are now errors, see + Porting to GCC 14 + for details. +
  • -fcf-protection=[full|branch|return|none|check] is refactored, to override -fcf-protection, -fcf-protection=none needs to be added and then