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=JGFidPr/wWoRnqJv
	/2VBDEQVXWUrgMT2ErSfxna+5ckmJkPzxgtQEF07WNob5miqLHw91V93nJyLlvY5
	Efc7OjZXUTgeCtbjwnRnZAcUMSHUMrJLkueIs2Lyo/08nRgJeh9F5AcW2zoW01fI
	Rl9iBPlhjbdMBAt2OApxtKdgPfY=
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=ZGiEmq0WVqVVvAxfczoKvs
	ZWZqY=; b=gGU6lMZA2UxiU/VsjL4r+sdqyC3ihSbJPyM2MbHZgnF2IpjdX5Ui8i
	7nEvwl75zJ0kHtx47d2VMfagShCftEJjgfQThSOrAVoUB43fr3ao+pokKlNUEeSM
	V5wtvOl8AGT3j5PJfZTTISWGt2NwbT0ka9iRp/XTEKscgdkcZc0C8=
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-Virus-Found: No
X-Spam-SWARE-Status: =?ISO-8859-1?Q?No, score=-2.4 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=ren, ren=e9, Ren=e9, berber?=
X-HELO: mail-wm0-f50.google.com
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;        d=1e100.net; s=20130820;        h=x-gm-message-state:subject:to:references:from:message-id:date         :user-agent:mime-version:in-reply-to:content-transfer-encoding;        bh=OWMJf/C1ZnrWCBI6YGbRq+36jl8oYChC+fkdPk67Jyg=;        b=frNPmbgu9qip2xyv39wZEAgOUJr4V8dAxh6jLIYjQ46jqfpJkIMM48XvpTgM9eYLtB         Ib7BTqWDJ4PPihvWecV8Klr54DmrB3j+RC5BKWxvy0BhKdbGmEHI7fxcyDFsjz+RPNSM         RsOdamcMZTMabv8uH1+KHQweJ3RfFDJZYDlt79sK0vJq7NdFfAE7Tbg0y/yjoYmLyVMr         CxjItxhSE9nzzfYohX/P0mpKh2YZW0qddBpXqO1lIXQYNJAeWq6Zr7YcLaPBWM9lZJfJ         wBn67zGLuOiGnDe+NhD5iXP+/PoeN2z919/LNYPe9Af9CSu+yS0vrMKSuuONAJ3eszny         CrJA==
X-Gm-Message-State: AOPr4FU0AXlAnLm2OZgOjzoaD3jtyAauxvDssKKGRrwwQYdHJphnJjY14EqZQgCPTANY5A==
X-Received: by 10.194.48.33 with SMTP id i1mr12366356wjn.53.1460568383620;        Wed, 13 Apr 2016 10:26:23 -0700 (PDT)
Subject: Re: multiple definition of `atan2l' on the current Cygwin
To: cygwin AT cygwin DOT com
References: <888012 DOT 8502 DOT qm AT web101106 DOT mail DOT kks DOT yahoo DOT co DOT jp> <20160412133924 DOT GO9870 AT calimero DOT vinschen DOT de> <58477 DOT 93886 DOT qm AT web101112 DOT mail DOT kks DOT yahoo DOT co DOT jp> <neltp4$c89$1 AT ger DOT gmane DOT org>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <570E813C.6060307@gmail.com>
Date: Wed, 13 Apr 2016 19:26:20 +0200
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2
MIME-Version: 1.0
In-Reply-To: <neltp4$c89$1@ger.gmane.org>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 8bit
X-IsSubscribed: yes

On 13/04/2016 18:55, René Berber wrote:
> On 4/12/2016 7:08 PM, Tatsuro MATSUOKA wrote:
>
> [snip]
>> /usr/lib/gcc/x86_64-pc-cygwin/5.3.0/libstdc++.dll.a(d005836.o):(.text+0x0):
>> multiple definition of `atan2l'
>> ******************************************
>> /usr/lib/../lib/libm.a(t-d000195.o):fake:(.text+0x0): first defined
>> here
>
> Those lines point to the double definition very clearly.
>
> In Linux, libstdc++ doesn't include atan2l, only libm has it.  The
> question then is: why is libstdc++ different?
>

likely because it was built before that libm had it.
Only latest cygwin 2.5.0 has it.

--
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