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Re: Failure in building GFortran on Cygwin

On Nov 30 16:36, Christopher Faylor wrote:
> On Fri, Nov 30, 2007 at 03:58:42PM +0100, Corinna Vinschen wrote:
> >On Nov 30 07:26, Eric Blake wrote:
> >> Hash: SHA1
> >> 
> >> According to Corinna Vinschen on 11/30/2007 7:20 AM:
> >> > 
> >> > However, this *is* a problem in the newlib/cygwin headers.  Cygwin
> >> > exports a timezone function and a _timezone variable.  The timezone
> >> > function was an ill-advised invention in Cygwin way back in the last
> >> > century.  Unfortunately it has to be kept for backward compatibility.
> >> 
> >> For 1.5.x, yes.  But can we delete timezone() for 1.7.x, on the grounds
> >> that any binary that still uses the timezone function is old enough that
> >> it would benefit from re-porting to the latest cygwin sources anyway?
> >
> >I'm thinking along the same lines.  While that breaks backward
> >compatibility, I'm not overly concerned in case of applications which
> >have never been ported to a newer Cygwin version the last 10 or so
> >years.
> But we do have a fairly transparent way of dealing with this problem which
> will allow any ancient apps to continue to work.  We used it for the transition
> from 32 -> 64 bit file I/O.

Unfortunately it doesn't work for variables.  We can hide the timezone
function, but how do we alias timezone to _timezone in libcygwin.a?


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

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