From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by sourceware.org (Postfix) with ESMTPS id DE4D43858C30; Mon, 4 Sep 2023 16:49:03 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DE4D43858C30 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-ej1-x630.google.com with SMTP id a640c23a62f3a-99c93638322so353343766b.1; Mon, 04 Sep 2023 09:49:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693846142; x=1694450942; darn=gcc.gnu.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=xbwQrARi3EofdZDbKlk/f4+cEOr7jvbgmarl+ljafdc=; b=kqWq0VH5LiJ7ixvc12iNdNSeln4xqD2ZzVnsGhi8IGtXPn5HVybuccxXTVlDh24np8 Fvten/CmaaMj+03vbFStsj5xJsWT+40Lb12So1zA08cBAtmOJgtNTe2oPlD5STmZORuY bcm54CHFOcOmUT53ByCVFE0AK3QMdJUJK9wbPar/taDkflo7BugfpVee6uu18owRYxh2 qEzqT1pIq/ZXVWM6Gw8FlqFf82uqtdlusWNHS4X/af0NEq2XnzJF9CUalDpiz9S6/9QJ B+drZWKSNxHOtG/OEINjBN3t5IJyU4xmUqBqC5mDaAw5BwLlShvnpTX2X0CH3gQKn9KN zVhQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693846142; x=1694450942; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=xbwQrARi3EofdZDbKlk/f4+cEOr7jvbgmarl+ljafdc=; b=bcvsV0CIEhS88HzANEb0GWeE4EKDHiyO/gG9hEg22r8SXBqh8cNT+YRjrRRJB8Xr9E 3ERxNFWXHXDsEGJAp6tv33brqAJOkBhCK/pxjz0pqtEtFmLhVJUpLCLJkgno0WH1MFpl EgM7pCvrzD3tew65NJolS5CsQEJVbLNSFFkjM+7URV/Epy6CQGynKTaqLUFUi8fPva+/ XCYKsA3pVL8yVGb7r0Wyz1xH8oGiC5Ki+hmt+vWDsDQWenqqUXMFgmR+2Fu8A48xeHVJ j28GkRZPKJwFSldFv63FEu7a9pTCSKvlqpliM0/9I0u5Toeps9W9+oxHw8Y9NC/f/HvP Yytg== X-Gm-Message-State: AOJu0YxLZPmjh+Zyje7o5L/g6lI1RHvHZ8QDXWZiXw7mwWtdFlHFKPG5 KnqW3G8sPjTnzNU0qZDsys+imuQTxCBiAz05U50= X-Google-Smtp-Source: AGHT+IFfIxqC8Uw0GRHPgoTuQ0AOak4SPommOE+bRiUT2l7QCn6xFleA1tq3wjWLbVeAvePbcy9n8O1VnUOvJKPd7es= X-Received: by 2002:a17:907:7202:b0:9a2:25da:d71e with SMTP id dr2-20020a170907720200b009a225dad71emr14323702ejc.0.1693846142378; Mon, 04 Sep 2023 09:49:02 -0700 (PDT) MIME-Version: 1.0 References: <20230823160322.237140-1-jwakely@redhat.com> <20230904164617.F1DFA20427@pchp3.se.axis.com> In-Reply-To: <20230904164617.F1DFA20427@pchp3.se.axis.com> From: Jonathan Wakely Date: Mon, 4 Sep 2023 17:48:50 +0100 Message-ID: Subject: Re: [RFC] libstdc++: Make --enable-libstdcxx-backtrace=auto default to yes To: Hans-Peter Nilsson Cc: Jonathan Wakely , libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.6 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 Mon, 4 Sept 2023 at 17:47, Hans-Peter Nilsson via Libstdc++ wrote: > > > Date: Fri, 1 Sep 2023 12:16:40 +0100 > > Reply-To: Jonathan Wakely > > > > On Wed, 23 Aug 2023 at 17:03, Jonathan Wakely via Libstdc++ > > wrote: > > > > > > Any objections to this? It's a C++23 feture, so should be enabled by > > > default. > > > > I've pushed this to trunk, so let's see what breaks! > > > > > > > > > > -- >8 -- > > > > > > This causes libstdc++_libbacktrace.a to be built by default. This might > > > fail on some targets, in which case we can make the 'auto' choice expand > > > to either 'yes' or 'no' depending on the target. > > > > > > libstdc++-v3/ChangeLog: > > > > > > * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes. > > > * configure: Regenerate. > > Incidentally, should check_effective_target_stacktrace in > libstdc++.exp also be adjusted to match; removing the > _GLIBCXX_HOSTED condition? No, it should still depend on is_hosted. The acinclude.m4 macro should check that.