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:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; q=dns; s=
	default; b=DN0q6lqYbYEuJG8Xfc+DINnyWM7qcQ6JSkQGvW1xW+2Y0FJPV4CIN
	Wnh+44k7F1UBbySoJ00nfHvW9THgpNhP3yh2b9RYaXmLkHr6EOVe/j+Xe0t8PBme
	469v16HzTKHeRxXEQsmf4H5rpdho2urbO/AjIp81tWmRBRz1FNLoYQ=
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:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; s=default;
	 bh=kwaDDQz0eItEwqZv/r+NAuijjmc=; b=euYhueq/3AA/AxKFX55U5Uvrp8mv
	unLiOr9JtouKuds3bj5T0Lt9Oyh25qa6lMQu71Rvtz9BIYaPcEXxqF+trNxOcq7N
	mEdVOhxqe10Q3VMViakufApOEUVZ9R7SM/6YdzNji/OjM5TY48P0lXCvkzqwQ91l
	mwEsTOhzRW8GMN0=
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
X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.3.1
Date: Tue, 9 Apr 2013 15:58:42 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Bug in ddk headers when used from cygwin
Message-ID: <20130409135842.GC15271@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <51625CAE DOT 2030703 AT cwilson DOT fastmail DOT fm> <20130408074801 DOT GA10199 AT calimero DOT vinschen DOT de> <51630442 DOT 4080805 AT cwilson DOT fastmail DOT fm> <20130409091609 DOT GI10126 AT calimero DOT vinschen DOT de> <51641548 DOT 2060700 AT cwilson DOT fastmail DOT fm>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <51641548.2060700@cwilson.fastmail.fm>
User-Agent: Mutt/1.5.21 (2010-09-15)

On Apr  9 09:19, Charles Wilson wrote:
> On 4/9/2013 5:16 AM, Corinna Vinschen wrote:
> >On Apr  8 13:54, Charles Wilson wrote:
> >>But doesn't this mean that the cygwin's w32api package should
> >>exclude all of the ddk headers; it's not simply a case that you
> >>"shouldn't" use ddk/*.h, but that you actually cannot, because
> >>compilation will fail.
> >
> >The absence of intrin.h was a bug, but otherwise you could still use
> >the ddk headers for what they are supposed to be:  Writing device
> >drives and other kernel stuff.  The difference is just that the ddk
> >headers from mingw-w64 cannot be used together with the user space
> >headers like windows.h, but that's not different from "upstream".
> 
> ...but is it reasonable to create a *cygwin* device driver or kernel
> mode item?  If you're using the cygwin compiler, then you're linking
> against the cygwin dll -- which makes a bunch of usermode w32 calls
> under the hood.  If it's bad juju to mix ddk/ kernel mode stuff with
> w32api/ user mode stuff, then any "cygwin" device driver is, by
> definition, bad juju.
> 
> If I'm correct, then the *cygwin* w32api-headers package (and
> cygwin64-w32api-headers) should exclude ddk/ from their deliverable
> footprint, even if intrin.h is added back to the toplevel w32api/
> include directory for other reasons.

Well, actually I don't really care one way or the other.  You may want
to discuss this with JonY.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

--
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