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Mail Archives: cygwin/2010/05/05/21:19:26

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Date: Thu, 06 May 2010 02:38:35 +0100
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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Subject: Re: Cygwin make target is never determined up to date
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On 06/05/2010 02:15, MichaelKim wrote:
> Well, it's confusing because I have 3 machines.
> 
> 1. WinXP (cygwin 1.5.19) - once built, the timestamps are equal and no
> problem( happy with that, but I got the point that this is wrong makefile
> design)
> 
> 2. Win7 (cygwin 1.7.5) - once built, the timestamps are equal, and no
> further build required if files are intact. However, sometimes the
> timestamps are not equal and it doesn't consider targets up to date.
> 
> 3. Another Win7 (cygwin 1.7.5, I can check exactly later) - timestamps are
> always different, hence it's NEVER up to date. This is the original case I
> was talking about.
> 
> Hope it's clear now.

  Yes, I see; so the thing we need to understand (from posix compatibility
point of view) is why on the first win7 machine, the timestamps are not
/always/ unequal!

> Sorry for misleading and confusing you ^^

  No need to apologise, I spend most of my life confused, it's only when I get
too certain that I really know something that I may make a mistake :)

    cheers,
      DaveK

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