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Date: Tue, 4 Oct 2016 12:38:58 -0700 (PDT)
From: "Peter A. Castro" <doctor AT fruitbat DOT org>
To: Sophoklis Goumas <olspookishmagus AT gmail DOT com>
cc: cygwin AT cygwin DOT com
Subject: Re: Latest "setup-x86(_64)?\.exe" version supporting WinXP
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On Tue, 4 Oct 2016, Sophoklis Goumas wrote:

> Date: Tue, 4 Oct 2016 14:02:44 +0300
> From: Sophoklis Goumas <olspookishmagus AT gmail DOT com>
> To: cygwin AT cygwin DOT com
> Subject: Latest "setup-x86(_64)?\.exe" version supporting WinXP
> 
> Hello.

Greetings, Sophoklis,

> I'm seeing some contradicting clues from cygwin.com and
> fruitbat.org's Cygwin Time Machine [1] as to which
> is the latest version of "setup-x86(_64)?\.exe" with WinXP "support".

Are you asking about the ability to run Setup on XP or a version of Setup 
that can install the last release of Cygwin to support XP?

Strictly speeking, the gating factor is Cygwin itself.  V2.5.2-1 was the
last release with formal support for XP, I believe (someone, likely 
Corinna, will correct me if I'm wrong :-).

The version of Setup used with that release, is 2.874.  But, that version 
spans Cygwin 2.5.1-1 through 2.6.0-1.  Presumable that means it runs on XP 
just fine, even if Cygwin 2.6.0 doesn't.

The latest version of Setup is 2.876 (as of this writing).  I have no idea 
if it can be run on XP or not though I suspect it can.  It seems unlikely 
that Setup would take advantage of a Windows native service that's 
unavailable in XP (though I could be wrong).  Perhaps the owners 
of Setup can comment?

> Something like:
>
>> The previous Cygwin version 2.5.2 was the last version supporting Windows XP and Server 2003.
> < The last version of Setup to support XP is 2.874.
>
> The SHA1SUMs of the files that come from fruitbat.org are:
>
> 4a01cccf0d6036b1bbca3bbaf13a97a97ca73918 setup-x86_64-2.874.exe
> e8778fbd16f6d95b7abb0c93d31e8abb4d24d943 setup-x86-2.874.exe

I'm sure someone who has a separate copy of these will chime in.  Since I 
speak for the Time Machine... well... those are correct checksums to me! 
:-D

> So, would, please, confirm that the version offered from fruitbat.org
> is the last that includes WinXP "support"?
>
> Would you also, please, confirm the validity of those files?

I can only speak for the Time Machine, but I can verify that I pulled 
those (really all) versions of Setup at the time they were available and 
are "valid" as presented on the Time Machine.  I pull directly from 
cygwin.com each day and check to see if it's a new version or not.

Corinna?  Does cygwin.com keep copies of the older setup versions?  Or am 
I the only one?

> Thanks in advance,
> Sophoklis
>
> [1] http://www.fruitbat.org/Cygwin/timemachine.html
>
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-- 
--=> Peter A. Castro
Email: doctor at fruitbat dot org / Peter dot Castro at oracle dot com
 	"Cats are just autistic Dogs" -- Dr. Tony Attwood

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