From: Armin Roehrl <armin@...>
Date: 2002-01-08T08:10:01+09:00
Subject: Re: Ambiguous result making the latest snapshot.

On Monday 07 January 2002 23:59, you wrote:
> In article <B85F6AEC.4402%gehlker@fastq.com>,
>
> Chris Gehlker  <gehlker@fastq.com> wrote:
> >Making the latest snapshot on MOSX 10.1.2 I get:
>
> What is MOSX?  I don't see it in the RAA.
>
> >"make: warning:  Clock skew detected.  Your build may be incomplete."
> >But "make test" says: says it succeeded
Most likely: maybe a file timestamp is newer than the actual date. 
Either your system date is wrong or from where you got it from
or NFS date ...
> >
> >Do I need to worry about the warning.
> >
> >BTW what is "clock skew" anyway?
>
> 'clock skew' is a term related to digital hardware design.  In a design
> with a single clock routed to potentially hundreds or thousands of
> flip-flops it is
> possible (probable) for the clock to arrive at some flip-flops earlier
> than it does for others due to the differences in routing delay for the
> clock net.  The clock skew is defined as the delta between the earliest
> flip-flop and the latest flip-flop - if the clock skew exceeds the setup
> time for your flip-flops then you have a problem (potentially
> metastability, erroneous data ).
>
> But you're getting some kind of 'clock skew' error from a makefile?!
>
> Phil

-- 
Armin.

-----------------------------------------------
Armin Roehrl, http://www.approximity.com