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Re: Failure in building GFortran on Cygwin

On Sat, Dec 01, 2007 at 11:31:55AM +0100, Corinna Vinschen wrote:
>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?

Why do you say that?  It should just be a simple aliasing.


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