X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f
X-Recipient: djgpp AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20210112;
        h=content-transfer-encoding:in-reply-to:from:references:to
         :content-language:subject:user-agent:mime-version:date:message-id
         :from:to:cc:subject:date:message-id:reply-to;
        bh=T2+66cPHH2aTqm/0tiV6G7e1t6HfI9M0h0d0YxeJxMg=;
        b=mbCa/VSE9+4j35w2k9H9PHfotqPVaoEa2Dr8bhyUXaZKGjudU0nKO/VQESZH3lN980
         /Ct4KjoaCFm/CDtWuB/5/mDwYPjAeou1I8mQNREUMT3fNTS7f0WaDL1KVO1cukbt5Wkr
         zoWWxdD05iqv213FGNJbT4jeWA+Zcj36D6J0Gpn36lOH7+EwgxnvqPo+CLbeVML4BwdA
         FyXK4mUOko+l8ec5/Ij8JWd2hidCzhfJ+9iwj4UpBOOGVJJtjjOTKg3BZ6PvfNt68HxK
         G9//I+umzwP9eGRmP5u3Oj9TVphVjtzA05L0brnHfoOTxnh1P4DtqCCrjVdgH85h1YjY
         G4OA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20210112;
        h=content-transfer-encoding:in-reply-to:from:references:to
         :content-language:subject:user-agent:mime-version:date:message-id
         :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to;
        bh=T2+66cPHH2aTqm/0tiV6G7e1t6HfI9M0h0d0YxeJxMg=;
        b=q4yDK+fLy3jthZneq+eDtut+mJrSG31nPGOUbNCcLDJZBVjebTG6aSVU2HRCHPJTNo
         i4k+vQ5jSMZH3O1Ta07k9ZC0wPYC3ceKXqrwHX1TY2YfpJkdCZtBpYNzHSYsEWKlo3kh
         UVjg8BsL966Hw+BclRagEQZogvQtDfmCPYf+v3L/WSMUDl8o1vuJNik4Xe5SmqABGWZD
         jxDSIGDh4/iGIwxQfH6l32l1svnEuFre8EQqFrAJfHzU4fEbxEbtbbZSyciensEkLzAE
         B5lghtnZ1O65dzgXdF4Xus6ZjdTAxV09EyJiC3q225mAJiNPagIAJmIujoHxwVgm6qbF
         kx8Q==
X-Gm-Message-State: AFqh2kphN6Atw5tOojlksvQdaWGt+y/Ea7BFIGHJTOoOX8g8fErAxoCR
	0bPfnDqIKtAAzKp4mWevkRaSh+1uLIHZsg==
X-Google-Smtp-Source: AMrXdXsaV9ncjb6MOZC/c0cYEQ8r6gSynNoRWgi+DfP3mym6TlNn/OwJVP0z0ZEe5AQKKS/bCc1xBg==
X-Received: by 2002:a17:907:a585:b0:872:ec40:65e9 with SMTP id vs5-20020a170907a58500b00872ec4065e9mr45593651ejc.18.1674976517795;
        Sat, 28 Jan 2023 23:15:17 -0800 (PST)
Message-ID: <a0f5a3b8-3aa0-ee51-f9f2-8e599b0081dc@gmail.com>
Date: Sun, 29 Jan 2023 08:15:17 +0100
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:102.0) Gecko/20100101
 Thunderbird/102.6.1
Subject: Re: [PATCH v3] dxe3gen: invoke ld/as via gcc
Content-Language: en-US
To: djgpp AT delorie DOT com
References: <d67303fd-c302-82cc-bb0d-d1a21640d66f AT gmail DOT com>
 <83sfft981m DOT fsf AT gnu DOT org>
From: "J.W. Jagersma (jwjagersma AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
In-Reply-To: <83sfft981m.fsf@gnu.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Reply-To: djgpp AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

On 2023-01-29 07:19, Eli Zaretskii (eliz AT gnu DOT org) [via djgpp AT delorie DOT com] wrote:
>> Date: Sat, 28 Jan 2023 23:09:30 +0100
>> From: "J.W. Jagersma (jwjagersma AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
>>
>> Posting this in a new thread since the other became way too long.
>>
>> This applies to current cvs, and should address all raised concerns.  I
>> additionally noticed and fixed a small inconsistency in the -h text, as
>> linker options are now wrapped via -Wl.
> 
> Thanks.  I have only one question:
> 
>> +  new_argv[0] = dxe_cc;
>> +  new_argv[1] = "-nostdlib";
>> +  new_argv[2] = "-Wl,-X,-S,-r";
>> +  new_argv[3] = "-o";
>> +  new_argv[4] = TEMP_O_FILE;
>> +  new_argv[5] = "-T";
>> +  new_argv[6] = dxe_sc;
> 
> Why do we need -nostdlib?  It wasn't used before, AFAICT.

This prevents gcc from implicitly linking in any libraries (libc, libgcc and
crt0.o), as it wants to do by default.  It wasn't there before, since it's a
gcc-specific option.