From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=RJNF=3Z=gmail.com=jwakely.gcc@sourceware.org>
Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629])
	by sourceware.org (Postfix) with ESMTPS id 0F5AA384F898
	for <gcc-help@gcc.gnu.org>; Fri, 25 Nov 2022 11:39:56 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0F5AA384F898
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-x629.google.com with SMTP id bj12so9659797ejb.13
        for <gcc-help@gcc.gnu.org>; Fri, 25 Nov 2022 03:39:56 -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:in-reply-to:references
         :mime-version:from:to:cc:subject:date:message-id:reply-to;
        bh=/A30F9Zyj+J6IX8JJWPeAkAMDx1EOPx5UdcO3rIEdmA=;
        b=R+pyzwaerCk3Y2ZWIp4T0GYckWWqOnj21d7igQvGc/XdsaOd6P3D/rw75+YTB5OZyR
         YGoV7MrSiVsE3iLuGVrmmYiJjfzS4TPENbohokJ0ePxGO8Roz7OAoGu30t1TW6Kewjog
         wHtoOCsYZd4n2n0PlRUXRSYn4n8JYvkZxPY4vXobSEu8DzHXqLyuQjxcOw7O2dG2MQMu
         v4CkM3e0nq1Ioymz8KPo44Cw++oEjfI/PHfAqLq0Eu8p6TP0pNBDwgtuSbXXtsZ2x6G3
         tJ18MG1DF5ig4IPUZc8PQjuNePmyi0of+fDLZw9NLVOfhGstVUw/9uf22i9W+/Tr9Utn
         o2Ag==
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:in-reply-to:references
         :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id
         :reply-to;
        bh=/A30F9Zyj+J6IX8JJWPeAkAMDx1EOPx5UdcO3rIEdmA=;
        b=NCz0ZBEdD/We7XfJNmO+hUshhMBLVDikyf6rfzHbkBD6gEsNnZIhZtxtwCBCCmrFf1
         5l0N3u3HOsYaQEY/gDO3US/JgVz5LJyPdZnwxJRi179wa5+GQ3TDzNcgGlChCry9ZuT/
         xo1GdPhx6GoRlVFOYSWEGLpnWIbD4mA5VrOcmuaHVzinFLJfcX8A5vVsleeDcQbAquON
         52LmkLG4mtLue3Egy+HsIUwOCzrJBIRVvulmRuV6pOMbddtEIu6IaK2v0GsbPRTLMzFo
         4pGRtcApzW/C5dsFmn+IKFXzlLfKAC9vAMumnR2j1ezYFP0eaCmopViOA9vpiE/SHTig
         gD7g==
X-Gm-Message-State: ANoB5pmTJzHdaM+/TNR3A8iQGsU4vhMkoLwsea78BNu6woyQKoa9OZ2R
	dhVoS3T4Y5UJe2ttfjRQ8yhbCDfaCs0OjVeMI8E=
X-Google-Smtp-Source: AA0mqf7RQaOKi8uaN3wYLaCX6wSw9L+XMG0X0uDJKQyQdSeWukJVM6OCijjs4mmpVV0UMoAWeyQ3VDzoqxtBrYJS/Q4=
X-Received: by 2002:a17:907:cf84:b0:78d:4795:ff1f with SMTP id
 ux4-20020a170907cf8400b0078d4795ff1fmr32622003ejc.331.1669376394899; Fri, 25
 Nov 2022 03:39:54 -0800 (PST)
MIME-Version: 1.0
References: <F5B66C64-1021-4953-84AF-77E74CBDEDB9@Web.DE> <CAH6eHdSic5Z6cfhRyL5jmO2OJy8_HTGEch7h2whSFUHPkjZW8w@mail.gmail.com>
 <CAH6eHdRfJ3agcMPn+_67vgcpMZ198mB-b3V0rLsTZoCWffzvYA@mail.gmail.com>
In-Reply-To: <CAH6eHdRfJ3agcMPn+_67vgcpMZ198mB-b3V0rLsTZoCWffzvYA@mail.gmail.com>
From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Fri, 25 Nov 2022 11:39:43 +0000
Message-ID: <CAH6eHdT_=B5+zWWuj5VT6=cy0w-FsLPQ6LsTTRW0wWpf2CosQA@mail.gmail.com>
Subject: Re: Configuring GCC 10.3 on PPC Mac OS X 10.4.11/Tiger for build
 reveals flaws in configure scripts
To: Peter Dyballa <Peter_Dyballa@web.de>
Cc: gcc-help@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,KAM_SHORT,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: <gcc-help.gcc.gnu.org>

On Fri, 25 Nov 2022 at 11:29, Jonathan Wakely wrote:
>
> On Fri, 25 Nov 2022 at 11:22, Jonathan Wakely wrote:
> >
> > On Fri, 25 Nov 2022 at 10:20, Peter Dyballa via Gcc-help
> > <gcc-help@gcc.gnu.org> wrote:
> > > Configuring stage 2 in ./gcc
> > >
> > > checking linker --sysroot support... no
> > > checking __stack_chk_fail in target C library... checking for __stack_chk_fail... no
> > > no __stack_chk_fail on this target
> > > no
> > > checking sys/sdt.h in the target C library... no
> >
> >
> > I'll see if I can find this one too. Also harmless though.
>
> gcc/configure.ac has:
>
> # Test for stack protector support in target C library.
> AC_CACHE_CHECK(__stack_chk_fail in target C library,
> ...
>        *-*-darwin* | *-*-freebsd* | *-*-netbsd*)
>      AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
>            [echo "no __stack_chk_fail on this target"])
>         ;;
>
> That AC_CHECK_FUNC comes after the earlier message which hasn't
> printed its result yet, so the output of the two gets muddled. Then
> the echo makes it even worse, by adding a third message inside the
> other two.


I've opened https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107869 for this.