From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E34E9C433DF for ; Wed, 17 Jun 2020 12:26:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9DC4320CC7 for ; Wed, 17 Jun 2020 12:26:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=jguk.org header.i=@jguk.org header.b="mbT7wH2E" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725901AbgFQM0Z (ORCPT ); Wed, 17 Jun 2020 08:26:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725860AbgFQM0Z (ORCPT ); Wed, 17 Jun 2020 08:26:25 -0400 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77BB7C061573 for ; Wed, 17 Jun 2020 05:26:23 -0700 (PDT) Received: by mail-wr1-x42e.google.com with SMTP id r7so2150952wro.1 for ; Wed, 17 Jun 2020 05:26:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jguk.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=xqyfOwzU2G5TV7uvCFjzCV2McV62EnLpX6tN9Uc33HI=; b=mbT7wH2EdMxQt6qoTukvKFeXt7fAX3CwXjI5YcKmaJiXvhsjz53U+q/6UdzBwg96Z9 ttYJYxGRYsXGdC5grffgV6eCwFjW2a2tyM5rjaQlfeBCFqNDuKEAZ31W6Fb7hnKiNgpn 23gDesvgXG9zKzm45K45171I8gh1/ZfhTBdwrJCxm3x91Wqk61c/fyqTeSJP2CQysvf8 b5qMh+SwV+v5FQoEBGltVZ18Cr/BdVWtJDUyde2s+0myqkMQbECpc6DOYSx4+RjdkHl/ fIL4wHgcaaA3x70GgK/vuWmzkD/sgZvQsLRvsbGK9ayUGUBnaREtUsWHonblh30rIh1f kC2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=xqyfOwzU2G5TV7uvCFjzCV2McV62EnLpX6tN9Uc33HI=; b=BNIV0p0uTERAzq3MYO+buTSvvDWe48be//OpvtoheSJr/iPv94djbFAX97KtHt3Q/z MlXLQux0E3/uNUKYkpBDq4QYWmYEpZ9en1kqS73JBI/X/8/dkxQJ2D/9ZzoZoCcAC5hQ 71cUFkWARxtBxYXCPkR0mm8XaxSw6gcORheSyIZHQ7DBYBN3BhVAKrATkgI1z5+TfHrC /DroVsii7RUssFo/RH4t/L10EohVIdrDn/EebfU9ASq0lugp3HWwgQrwpI/17YtGLK3U EcDd5CUS9C3YOqdZrpKSN/C+FNy1vqkoZXCVPrO1y9NZdBGw7Ss1WugDxpeSiBcH243U FmqQ== X-Gm-Message-State: AOAM533jWAkOAh/fSR3GvfYtZAOz2x7tnXemoCOuoZkGGljt/ziW9Vls RwkpOcsOfV410Ju7F91ao/sExWeJrXA= X-Google-Smtp-Source: ABdhPJyhkJ846eT2KXAFv3By/4gr3dNLuopJ1YjEMQ5B/amLOE/ny8AKZUtNnqt1rwTUmw2RYLIo6Q== X-Received: by 2002:adf:fc0c:: with SMTP id i12mr8176014wrr.365.1592396781981; Wed, 17 Jun 2020 05:26:21 -0700 (PDT) Received: from [192.168.0.12] (cpc87281-slou4-2-0-cust47.17-4.cable.virginm.net. [92.236.12.48]) by smtp.gmail.com with ESMTPSA id j18sm35138619wrn.59.2020.06.17.05.26.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Jun 2020 05:26:21 -0700 (PDT) Subject: Re: gettid To: Ponnuvel Palaniyappan Cc: Jakub Wilk , Michael Kerrisk , linux-man@vger.kernel.org References: <23ca3363-5a24-9862-4872-811678527b50@jguk.org> <20200617102232.7zzi2klj3onh2nur@jwilk.net> From: Jonny Grant Message-ID: <880daed8-229b-1637-7b6d-a7126433b26e@jguk.org> Date: Wed, 17 Jun 2020 13:26:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org On 17/06/2020 13:10, Ponnuvel Palaniyappan wrote: > The default C++ mode, when no -std= is specified, for g++ 9.3.0 is > gnu++14 (it's the same for g++ 10.1.0, too). > >> Looks like it is set by default, even when specifying the C++ standard version for g++ > Why this happens is explained in libstd++'s faq: > https://gcc.gnu.org/onlinedocs/libstdc++/faq.html#faq.predefined Fair enough