X-Recipient:	archive-cygwin AT delorie DOT com
X-Spam-Check-By:	sourceware.org
Date:	Thu, 17 Mar 2011 09:48:04 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Compiled program does nothing when executing it under Cygwin
Message-ID:	<20110317084804.GD10697@calimero.vinschen.de>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<31125708 DOT post AT talk DOT nabble DOT com> <4D7A3C4B DOT 3040100 AT sbcglobal DOT net> <20110311154820 DOT GL7064 AT calimero DOT vinschen DOT de>
MIME-Version:	1.0
In-Reply-To:	<20110311154820.GL7064@calimero.vinschen.de>
User-Agent:	Mutt/1.5.21 (2010-09-15)
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 Mar 11 16:48, Corinna Vinschen wrote:
> On Mar 11 15:14, Greg Chicares wrote:
> > On 2011-03-11 14:56Z, Mengsk wrote:
> > > 
> > [...previously-compiled program stopped working after partial Cygwin upgrade...]
> > >
> > > "Cannot find entry point _feinitialise in dynamic link library cygwin1.dll"
> > 
> > Try rebuilding your program from scratch. It sounds like the cygwin1.dll you
> > now have (after the upgrade) is a different version than the program expects.
> 
> Sounds like an executable built under 1.7.8 trying to be run under an
> earlier version.
> 
> Dave, is it really necessary to call _feinitialise in crt0.c?
> 
> We usally have new entry points in newer versions of Cygwin, and we
> don't guarantee that applications build under newer DLLs will not run
> under older DLLs.  However, that doesn'usually mean that these
> applications never work, only if they use one of the new entry points.
> 
> With _feinitialise called from crt0.c apps build under 1.7.8 can never
> work under earlier DLLs.  So my question is, isn't it sufficient to call
> _feinitialise from _dll_crt0?

I had a private talk with Dave and it's no problem to move the
_feinitialise call into the DLL itself.  I applied a patch to Cygwin.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          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

- Raw text -