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Date:	Sat, 13 Jul 2002 13:30:20 -0400
To:	Christopher Faylor <cgf AT redhat DOT com>
Cc:	gcc AT gcc DOT gnu DOT org, cygwin AT cygwin DOT com
Subject:	Re: cygwin not respecting --without-newlib?
Message-ID:	<20020713173020.GA4338@doctormoo.dyndns.org>
References:	<20020709175531 DOT GA17920 AT doctormoo DOT dyndns DOT org> <200207091806 DOT g69I6Vu04666 AT envy DOT delorie DOT com> <20020709181544 DOT GA18076 AT doctormoo DOT dyndns DOT org> <20020713040909 DOT GA14590 AT redhat DOT com>
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In-Reply-To:	<20020713040909.GA14590@redhat.com>
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From:	Nathanael Nerode <neroden AT doctormoo DOT dyndns DOT org>

On Sat, Jul 13, 2002 at 12:09:09AM -0400, Christopher Faylor wrote:
> On Tue, Jul 09, 2002 at 02:15:44PM -0400, Nathanael Nerode wrote:
> >On Tue, Jul 09, 2002 at 02:06:31PM -0400, DJ Delorie wrote:
> >> 
> >> Cygwin *is* newlib.  When you build the cygwin DLL (cygwin1.dll) it
> >> directly incorporates the newlib objects into it.  So, you must always
> >> build newlib when you're building cygwin, and anything built for
> >> cygwin is being built for newlib.
> >
> >OK; I'm not sure this helps me. :-)
> >
> >Suppose you're building a combined tree targeting Cygwin.  What should
> >it mean to specify --without-newlib?  
> >
> >Should it mean "Don't build or use the newlib in the tree: use the
> >preinstalled Cygwin libraries, or the ones I specified with --with-libs
> >and --with-headers"?
> >
> >Should it simply be illegal, and result in an error message?
> 
> If there is a newlib in the tree, cygwin will attempt to use it.  Hence,
> --without-newlib should be illegal for a cygwin target.
> 
> cgf
What if you're not building winsup, but are building gcc (or gdb, or
libstdc++-v3, etc.) for a cygwin target?  Is this even possible?

--Nathanael


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