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:mime-version:content-type
	:content-transfer-encoding:date:from:to:subject:in-reply-to
	:references:message-id; q=dns; s=default; b=u7lTO3XI7Bh+M1wpRzIL
	MtoaJJlauBMzByeHkdLQXVBKR8qcri0XGyLisMFLL2bNSeiBnPJQIceL09hcArFd
	MWkhbSCKo/DwkbrI6AhUGHuAGlJkn18F8L5qSwURzKtDsYWZLNbzgqBUGn/9+Jal
	fPzNeuMpW5p+qVGqFHc6Ano=
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:mime-version:content-type
	:content-transfer-encoding:date:from:to:subject:in-reply-to
	:references:message-id; s=default; bh=jSP66HOSEecRXC5fsbt2HuDfI7
	0=; b=uRh7dOXVja7m7bVPm+30wSBLlmV14mAIoLQ5LL2zBwDbOx5blN5DR7ieN+
	jjPf1U+b6NsIv0NmA2jYUghZ2//MfKB7yOOTaCovD7snkMptol5sOoV7iM3c43Sr
	w7DAFMkK7aQK6U6qBhdWkJdSM9AlQamnjDZkAI7en2aNmJN1o=
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=-1.5 required=5.0 tests=AWL,BAYES_00,KAM_NUMSUBJECT,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=no version=3.3.2 spammy=H*r:sk:webmail, Hx-spam-relays-external:sk:webmail, H*RU:sk:webmail, H*UA:Webmail
X-HELO: lb1-smtp-cloud9.xs4all.net
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII; format=flowed
Content-Transfer-Encoding: 7bit
Date: Mon, 13 Aug 2018 10:03:11 +0200
From: Houder <houder AT xs4all DOT nl>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.11.0-0.1
In-Reply-To: <57b3092a9b5027be5f14e59c305200bc@smtp-cloud8.xs4all.net>
References: <announce DOT 20180809202604 DOT GN4180 AT calimero DOT vinschen DOT de> <cc1d684fabcfe5e581ec82aae1617471 AT smtp-cloud8 DOT xs4all DOT net> <20180810114254 DOT GA25560 AT calimero DOT vinschen DOT de> <57b3092a9b5027be5f14e59c305200bc AT smtp-cloud8 DOT xs4all DOT net>
Message-ID: <bc84dddb0c5933a964ac695d3bb6fee3@xs4all.nl>
X-Sender: houder AT xs4all DOT nl
User-Agent: XS4ALL Webmail
X-IsSubscribed: yes
Note-from-DJ: This may be spam

On 2018-08-10 14:43, Houder wrote:
> On Fri, 10 Aug 2018 13:42:54, Corinna Vinschen wrote:
> [snip]
> 
>> > Note: the following line must be changed in STC-FENV.c (the STC that was
>> > attached to the bug report -- the last one above).
>> >
>> > from:
>> > const int xxx =3D 0x3d; // FE_ALL_EXCEPT on Linux, i.e. the denormal-...
>> >                         // exception is excluded on Linux
>> >
>> > to:
>> > const int xxx =3D 0x3f; // Cygwin allows the denormal-operand exception;
>> >                         // Linux (Andreas Jaeger) does not.
>> >                         // This exception is not defined by the IEEE 754
>> >                         // standard (Floating-Point Arithmetic)
>> 
>> Shall we change that?  A patch would be nice. ;)
> 
> That is possible ...
> 
> As on Linux, the denormal-operand exception will always be masked after 
> this
> change ... (both in the default env. and in the "nomask" env.)
> 
> Meaning that, after this change, this exception can * no longer * be 
> enabled
> through the API of fenv.h
> 
> Objections? Anyone?
> 
> The modication would require changing:
> 
> winsup/cygwin/fenv.cc (_feinitialise() )
> winsup/cygwin/include/fenv.h (FE_ALL_EXCEPT)
> 
> /usr/include/fenv.h (which is a copy of the above, I am guessing ?????)

Stupid question:

Does the modification of winsup/cygwin/include/fenv.h "automatically" 
propogate
to /usr/include/fenv.h

Said differently, does "your" machinery (build) take care of that?

Regards,
Henri

--
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