From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <hbusch@bnv-bamberg.de>
Received: from chlothar.bnv-bamberg.de (chlothar.bnv-bamberg.de
 [188.64.62.104])
 by sourceware.org (Postfix) with ESMTPS id B4CF63851C13
 for <gcc-help@gcc.gnu.org>; Mon,  8 Jun 2020 04:42:45 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org B4CF63851C13
Authentication-Results: sourceware.org; dmarc=none (p=none dis=none)
 header.from=bnv-bamberg.de
Authentication-Results: sourceware.org;
 spf=none smtp.mailfrom=hbusch@bnv-bamberg.de
Received: from localhost ([::1]:51952 helo=chlothar.bnv-bamberg.de)
 by chlothar.bnv-bamberg.de with esmtp id 1ji9cS-0000dF-Ob 
 for gcc-help@gcc.gnu.org
 BNV-Stage out; Mon, 08 Jun 2020 06:42:44 +0200
Received: from fredegunde.bnvvpn.bnv-bamberg.de ([192.168.1.11]:49850
 helo=webmail.bnv-bamberg.de)
 by chlothar.bnv-bamberg.de with esmtps (TLS1:ECDHE-RSA-AES256-SHA:256)
 (Exim 42.0.0) (envelope-from <hbusch@bnv-bamberg.de>)
 id 1ji9cS-0000d0-MQ for gcc-help@gcc.gnu.org
 BNV-Stage in; Mon, 08 Jun 2020 06:42:44 +0200
Received: from fttx-pool-80.208.209.185.bambit.de
 (fttx-pool-80.208.209.185.bambit.de [80.208.209.185]) by
 webmail.bnv-bamberg.de (Horde Framework) with HTTPS; Mon, 08 Jun 2020
 06:42:44 +0200
Date: Mon, 08 Jun 2020 06:42:44 +0200
Message-ID: <20200608064244.Horde.oyKLkkNT3lFysQLTt_gU5hh@webmail.bnv-bamberg.de>
From: hbusch@bnv-bamberg.de
To: gcc-help@gcc.gnu.org
Subject: Re: g++ version 7.5.0 and library <memory_resource>
References: <20200607211018.Horde.adcpNdzA9nyGq1LTPXZrKaW@webmail.bnv-bamberg.de>
 <alpine.DEB.2.22.394.2006072117500.31072@stedding.saclay.inria.fr>
In-Reply-To: <alpine.DEB.2.22.394.2006072117500.31072@stedding.saclay.inria.fr>
User-Agent: Horde Application Framework 5
Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes
MIME-Version: 1.0
Content-Disposition: inline
X-Spam-Status: No, score=1.8 required=5.0 tests=BAYES_50, KAM_DMARC_STATUS,
 KAM_LAZY_DOMAIN_SECURITY, KAM_SHORT, SPF_HELO_NONE,
 SPF_NONE autolearn=no autolearn_force=no version=3.4.2
X-Spam-Level: *
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on
 server2.sourceware.org
X-BeenThere: gcc-help@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-help mailing list <gcc-help.gcc.gnu.org>
List-Unsubscribe: <http://gcc.gnu.org/mailman/options/gcc-help>,
 <mailto:gcc-help-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-help/>
List-Post: <mailto:gcc-help@gcc.gnu.org>
List-Help: <mailto:gcc-help-request@gcc.gnu.org?subject=help>
List-Subscribe: <http://gcc.gnu.org/mailman/listinfo/gcc-help>,
 <mailto:gcc-help-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Mon, 08 Jun 2020 04:42:46 -0000

Thanks a lot Marc for your quick help.
Even <experimental/memory_resource> did not help.

Here ...

https://gcc.gnu.org/onlinedocs/gcc-7.5.0/libstdc++/manual/manual/status.html#status.iso.2017

... I see that 7.5.0 does not include memory_resource.

Best regards
Harald

Quoting Marc Glisse <marc.glisse@inria.fr>:

> On Sun, 7 Jun 2020, hbusch@bnv-bamberg.de wrote:
>
>> Hi,
>> I am using g++ version 7.5.0 on Linux Mint 19 Tara:
>>
>> g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>>
>> When I try to compile a source file which uses the Standard library  
>> header <memory_resource> I get the following error:
>>
>> main.cpp:7:10: fatal error: memory_resource: No such file or directory
>>
>> As to my knowledge g++ version 7.5.0 supports C++17 and library  
>> <memory_resource> is included since C++17. At least, this page  
>> tells me that it has to be there:
>>
>> https://gcc.gnu.org/onlinedocs/gcc-7.5.0/libstdc++/api/a01004_source.html
>>
>> Even adding -std=gnu++17 throws the same error.
>>
>> Can anybody please shed some light on this ?
>
> Try <experimental/memory_resource>
>
> -- 
> Marc Glisse