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From: Ralph Hempel <rhempel@bmts.com>
To: cygwin-apps@cygwin.com, cygwin-apps@cygwin.com
Subject: Re: New Setup for Cygwin 1.7 on cygwin.com
Date: Wed, 27 Aug 2008 19:08:00 -0000	[thread overview]
Message-ID: <48B5A608.5040108@bmts.com> (raw)
In-Reply-To: <20080827171432.GV29104@calimero.vinschen.de>

Corinna Vinschen wrote:

> I looked a while into the algorithm doing the dependency ordering.  What
> it does is to create an ordered list sorted by using the algorithm to
> find the strongly connected components in a directed graph.  The problem
> is that this algorithm works fine and creates a nice dependeny ordered
> list unless there are loops in the dependencies.  In this case you just
> get a list of strongly connected components in arbitrary order.

<SNIP>

> Anybody having another funny idea?

What about detecting a dependency loop by checking to see if the next 
package in the dependency list is already in the list. If there's a loop
then stop.

Or is it possible for there to be new nodes after the first duplicate
dependency?

Ralph

  parent reply	other threads:[~2008-08-27 19:08 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-12 15:35 Setup for 1.7 must still handle 9x? Corinna Vinschen
2008-08-12 18:02 ` Corinna Vinschen
2008-08-12 20:26   ` Christopher Faylor
2008-08-12 20:41     ` Corinna Vinschen
2008-08-12 23:11       ` Ralph Hempel
2008-08-13  8:34         ` Corinna Vinschen
2008-08-13 10:20     ` New Setup for Cygwin 1.7 on cygwin.com Corinna Vinschen
2008-08-15  8:54       ` Dr. Volker Zell
2008-08-15 10:28         ` Corinna Vinschen
2008-08-15 11:21           ` Corinna Vinschen
2008-08-15 13:13             ` Corinna Vinschen
2008-08-15 13:17               ` Eric Blake
2008-08-15 13:28                 ` Corinna Vinschen
2008-08-15 13:38                   ` Corinna Vinschen
2008-08-15 13:46                   ` Brian Dessent
2008-08-15 14:00                     ` Corinna Vinschen
2008-08-15 14:16                       ` Brian Dessent
2008-08-15 14:22                         ` Corinna Vinschen
2008-08-15 14:04                     ` Dave Korn
2008-08-15 14:11                       ` Corinna Vinschen
2008-08-15 14:18                         ` Dave Korn
2008-08-16 12:26                         ` Dave Korn
2008-08-19 16:39                           ` Corinna Vinschen
2008-08-20  1:49                             ` Brian Dessent
2008-08-20  2:46                               ` Christopher Faylor
2008-08-20  7:56                                 ` Corinna Vinschen
2008-08-20 14:40                                   ` Christopher Faylor
2008-08-20 14:45                                     ` Corinna Vinschen
2008-08-20 15:17                                       ` Christopher Faylor
2008-08-20 15:24                                         ` Corinna Vinschen
2008-08-20 16:00                                           ` Christopher Faylor
2008-08-20 16:18                                           ` Charles Wilson
2008-08-20 16:34                                             ` Brian Dessent
2008-08-20 16:49                                               ` Charles Wilson
2008-08-20 17:47                                                 ` Corinna Vinschen
2008-08-21 10:09                                                   ` Corinna Vinschen
2008-08-21 11:09                                                     ` Charles Wilson
2008-08-21 11:19                                                       ` Corinna Vinschen
2008-08-21 15:02                                                     ` Christopher Faylor
2008-08-21 15:04                                                       ` Christopher Faylor
2008-08-21 15:13                                                         ` Charles Wilson
2008-08-21 15:19                                                           ` Corinna Vinschen
2008-08-21 15:27                                                             ` Corinna Vinschen
2008-08-22  1:43                                                               ` Eric Blake
2008-08-22  2:07                                                                 ` Christopher Faylor
2008-08-21 15:38                                                             ` Christopher Faylor
2008-08-21 15:57                                                               ` Corinna Vinschen
2008-08-21 16:45                                                                 ` Christopher Faylor
2008-08-22  1:37                                                     ` Brian Dessent
2008-08-22  7:44                                                       ` Corinna Vinschen
2008-08-22  7:55                                                         ` Brian Dessent
2008-08-22  8:23                                                           ` Corinna Vinschen
2008-08-22  8:59                                                             ` Brian Dessent
2008-08-22  9:08                                                               ` Corinna Vinschen
2008-08-25 10:24                                                                 ` Corinna Vinschen
2008-08-25 14:33                                                                   ` Christopher Faylor
2008-08-25 15:28                                                                     ` Christopher Faylor
2008-08-25 15:36                                                                       ` Corinna Vinschen
2008-08-25 15:58                                                                         ` Christopher Faylor
2008-08-25 16:14                                                                           ` Corinna Vinschen
2008-08-25 17:22                                                                             ` Christopher Faylor
2008-08-27 17:15                                                                               ` Corinna Vinschen
2008-08-27 18:36                                                                                 ` Christopher Faylor
2008-08-28  7:37                                                                                   ` Corinna Vinschen
2008-08-28 14:18                                                                                     ` Christopher Faylor
2008-08-28 15:01                                                                                       ` Christopher Faylor
2008-08-28 19:05                                                                                         ` Christopher Faylor
2008-08-29  8:34                                                                                           ` Corinna Vinschen
2008-08-27 19:08                                                                                 ` Ralph Hempel [this message]
2008-08-28  7:42                                                                                   ` Corinna Vinschen
2008-08-28 12:30                                                                                     ` Ralph Hempel
2008-08-26  8:18                                                                           ` Corinna Vinschen
2008-08-26 12:05                                                                             ` Charles Wilson
2008-08-26 12:13                                                                               ` Corinna Vinschen
2008-08-22 13:21                                                               ` Christopher Faylor
2008-08-20 16:36                                             ` Corinna Vinschen
2008-08-20 15:28                                         ` Brian Dessent
2008-08-20 16:03                                           ` Christopher Faylor
2008-08-15 14:01                 ` Corinna Vinschen
2008-08-15 10:15       ` Dr. Volker Zell
2008-08-15 10:33         ` Corinna Vinschen
2008-08-15 11:47       ` Dr. Volker Zell
2008-08-15 11:56         ` Corinna Vinschen
2008-08-15 12:39           ` Corinna Vinschen
2008-08-15 13:58           ` Dr. Volker Zell
2008-08-15 14:05             ` Corinna Vinschen
2008-08-15 19:24       ` Eric Blake
2008-08-15 19:34         ` Yaakov (Cygwin Ports)
2008-08-15 19:37         ` Christopher Faylor
2008-08-16 13:38           ` Dave Korn
2008-08-14  9:54 Corinna Vinschen
2008-08-15  5:14 ` Yaakov (Cygwin Ports)
2008-08-15 11:41   ` Corinna Vinschen
2008-08-15 11:59     ` Eric Blake
2008-08-15 12:13       ` Corinna Vinschen
2008-08-15 21:01 ` Charles Wilson
2008-08-15 23:28   ` Charles Wilson

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