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Re: [avr-gcc-list] clock skew detected

From: Jamie Morken
Subject: Re: [avr-gcc-list] clock skew detected
Date: Mon, 29 Sep 2003 22:32:16 -0700


> On Tue, 30 Sep 2003, Erik Christiansen wrote:
> :)On Tue, Sep 30, 2003 at 11:01:40AM +1000, Jack Valmadre wrote:
> :)> I've just switched from using AVRStudio with AVRGCC 2.3 to using
> :)> Programmers Notepad with WinAVR. When I compile the project,
> :)> everything works fine except at the end I get a line saying: make: ***
> :)> Warning: Clock skew detected.  Your build may be incomplete. Is this a
> :)> problem? How can I fix it?
> :)
> :)   Clock skew can be detected on networked development machines, if
> :)sharing build files between hosts, and the (time & date) clocks are not
> :)synchronised. When the compiling host lags the fileserver, the generated
> :)files are "older" than their inputs, which is a logical impossibility.
> :)This makes make's decision making problematical, hence the warning.
> :)
> :)   When this last happened here, a few years back, I synchronised date &
> :)time, effecting an immediate cure.
> :)
> :)   It is not easy to imagine a way for this to happen on a single host,
> :)without something being seriously broken. (Perhaps my lack of experience
> :)with anything but various unices limits my imagination, though. :-)
> I've seen this on a single system. Usually when you manually change the
> system clock pushing the time into the past. Simply touching all the files
> gets make working again.

I asked this same question here a couple months ago and was told that it is
probably because I am using win98 and their is a bit of lag in the file
system apparently.

Jamie Morken

> Ted Roth
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