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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.
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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

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