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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
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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

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