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Mon, 15 Dec 2025 02:55:47 -0800 (PST)
Message-ID: <795ec0af-afae-4ace-b050-d186f509d1c4@gmail.com>
Date: Mon, 15 Dec 2025 11:55:45 +0100
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Subject: Re: Cyclic dependency prevents installation of python39 (also python3)
To: cygwin AT cygwin DOT com
References: <GV0P278MB0388BE1DB1EBDB347A98C66599ADA AT GV0P278MB0388 DOT CHEP278 DOT PROD DOT OUTLOOK DOT COM>
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From: Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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On 15/12/2025 09:55, Ronan Le Gallic via Cygwin wrote:
> Greetings to the Cygwin Team,
> 
> Description
> 
>    *
> The setup.ini file introduces a circular dependency between python39, python39-pip, and python39-setuptools.
>    *
> This cycle blocks the installation of python39 and any packages that depend on it.
> 
> Configuration Snippet (from setup.ini)
> ```INI
> @ python39
> depends2: ..., python39-pip, python39-setuptools, ...
> 
> @ python39-pip
> depends2: ..., python39, ...
> 
> @ python39-setuptools
> depends2: ..., python39, ...
> ```
> 
> Consequences
> 
>    *
> Prevents installation of python39, and so python3

Hi Roman,

I do not understand why this should prevent the installation.

What is the error message ?
How are you running Cygwin Setup ?

Regards
Marco


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