X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=dYU1/ulTVpOmZtS0
	u+iGUessHRhelrdrAFR7BRFlBOv3lclH3Yaf7MpLviVutjVRL0pmObI/JrT0guaN
	CrOc+j0bDy2O9RL09ROIYRiiR82cWwsI3fCh3fnHx4b2ZBC9x+jiwWl18Vl1GIcS
	7rd4mHe1aVTWUoLWTgL0WvSaybM=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; s=default; bh=jp0u/5YVvHImF9wxuTkRW8
	x7bcA=; b=jKRPmyliP/yRwK0CKczQV+Ya1FUW4VxLMFx6oTdQWIJ/Glk/a8i7Dy
	Heg1BuuOHwzbktmoG7F9+5+UguHNr4angphBS9RcqWiE8sy6MJh1XhUwltVeBtD2
	SIMEWLNZEpj9v7szf8SErYzyd0o7mtfxT4mGj3QKHmLMeUol68rF8=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Spam-SWARE-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00,FORGED_SPF_HELO,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS autolearn=no version=3.3.1 spammy=Steven, penny, Penny, H*Ad:D*uk
X-HELO: sa-prd-fep-047.btinternet.com
Authentication-Results: btinternet.com;    auth=pass (PLAIN) smtp.auth=jonturney AT btinternet DOT com
X-OWM-Source-IP: 31.51.205.214 (GB)
X-OWM-Env-Sender: jonturney AT btinternet DOT com
X-VadeSecure-score: verdict=clean score=0/300, class=clean
Subject: Re: Fwd: Errors in cURL dependency chain
To: Steven Penny <svnpenn AT gmail DOT com>,
        The Cygwin Mailing List <cygwin AT cygwin DOT com>
References: <5de321b2 DOT 1c69fb81 DOT 3f589 DOT a809 AT mx DOT google DOT com> <CAAXzdLUh5+ORFhXgpSthoz+XZODAy_5zMsn9YKqHrjmkMdRCMg AT mail DOT gmail DOT com>
From: Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Message-ID: <e310ee56-8844-edb6-b1a7-0553fa199416@dronecode.org.uk>
Date: Sun, 1 Dec 2019 14:15:47 +0000
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1
MIME-Version: 1.0
In-Reply-To: <CAAXzdLUh5+ORFhXgpSthoz+XZODAy_5zMsn9YKqHrjmkMdRCMg@mail.gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit

On 01/12/2019 02:15, Steven Penny wrote:
> Here is a dependency chain:
> 
> 1. curl
> 2. libcurl4
> 3. libopenldap2_4_2
> 4. libsasl2_3
> 5. libopenssl100
> 
> I have two issues with this. First, "libopenssl100" is obsolete:
> 
>      @ libopenssl100
>      sdesc: "Obsoleted by libssl1.0"
> 
> David, can this be resolved? Second, while looking at "libopenssl100" I noticed
> another issue:
> 
>      @ libopenssl100
>      requires: libssl1.0
>      depends2:
> 
> My understanding is that "depends2" is the proper dependency endpoint, and that
> "requires" is only kept for legacy parsers. Yaakov, can you advise?
This understanding is correct, but incomplete.

If you look at libssl1.0, you will see it has:

> @ libssl1.0
> obsoletes: libopenssl100

We don't depends2: on something which obsoletes:, as that can lead to a 
solver conflict (See [1]).

[1] 
https://cygwin.com/git/gitweb.cgi?p=cygwin-apps/calm.git;a=commitdiff;h=d75abceedb46749982669236c5c102796a1fbfb1;hp=f92ad1d5c292ed54e7a62f5c52280efab8267f37



--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple