X-Spam-Check-By:	sourceware.org
Date:	Mon, 5 Feb 2007 12:41:12 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Eliminating -mno-cygwin from gcc.
Message-ID:	<20070205114111.GE27843@calimero.vinschen.de>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<020d01c748b4$62d8b170$2e08a8c0 AT CAM DOT ARTIMI DOT COM> <20070205030939 DOT GB24653 AT trixie DOT casa DOT cgf DOT cx> <20070205105838 DOT GA9455 AT calimero DOT vinschen DOT de>
Mime-Version:	1.0
In-Reply-To:	<20070205105838.GA9455@calimero.vinschen.de>
User-Agent:	Mutt/1.4.2.2i
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Unsubscribe:	<mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT 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

On Feb  5 11:58, Corinna Vinschen wrote:
> I'm somewhat concerned about this step, though.  How is the configure in
> winsup supposed to work, if you suddenly need two compilers to build
> Cygwin?  The top-level configury only takes one target, not two.  If you
> only have a linux-x-cygwin cross compiler, your build suddenly fails if
> you don't have a linux-x-mingw compiler as well.
> 
> So, to build Cygwin from scratch, you first have to build two
> compilers and two binutils.  This sounds not feasible to me.

Oh and, not to forget the non-obvious: How do you do a canadian cross,
say, linux-x-cygwin-mips-elf within one build tree?  Whatever gets
changed, this should still work.

> Or, the configury in winsup must be changed so that you can build
> everything with the i686-pc-cygwin compiler.  This should be possible,
> shouldn't it?  It's just a question of using the right start files and
> import libs, isn't it?
> 
> I would like to have this cleared before we do this crucial step.


Corinna

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

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

- Raw text -