Re: [CMake] question about clock skew detected. Your build may be incomplete

2007-12-10 Thread Jesper Eskilson
WangPing wrote:
 The date /time on my local workstation is correct, probably due to NFS 
 system,

Do you mean NTP? NFS does not keep your local computer time correct.

 the work directory is a NFS folder on other server, maybe the 
 date/time on this server is incorrect? I can check it later.

NFS is probably the *primary* cause of clock skew, and GNU make can be
pretty picky about how close the clocks need to be. (Note that a local
clock which is out-of-date won't cause clock skew in itself, since
everything will be out-of-date by the same amount.)

Also note that if the build succeeds, you probably have nothing to worry
about. (Unless you're hacking in the code yourself, then make may have
failed to rebuild any out-of-date files.)

--
/Jesper


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RE: [CMake] question about clock skew detected. Your build may be incomplete

2007-12-07 Thread Alan W. Irwin

On 2007-12-08 10:14+0800 WangPing wrote:


The date /time on my local workstation is correct, probably due to NFS

system, the work directory is a NFS folder on other server, maybe the
date/time on this server is incorrect? I can check it later.

Inconsistent dates/times between NFS server and local machine
is another likely cause.

Alan
__
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
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Re: [CMake] question about clock skew detected. Your build may be incomplete

2007-12-07 Thread Alan W. Irwin

On 2007-12-08 06:16+0800 WangPing wrote:


Dear cmake experts: I am a new user for ITK and cmake.  Today I downloaded

ITK and cmake and followed the instruction to build ITK, when I finannly run
'make', it always gave many warning message as below: clock skew detected.
Your build may be incomplete I do not know if my ITK will have problem.
After the ITK is done, I tried to build the HelloWorld.cxx from the ITK
instruction, it still gave the clock skew detected.  Your build may be
incomplete message, but finally the HelloWorld application was produced.
When I typied ./HelloWorld, it showed: ITK Hello World!  no anything else.
Is there anybody could tell me if my itk has problem? How to get rid of the
warning message clock skew detected.  Your build may be incomplete?

That warning message usually means your date/time is grossly incorrect.  For
example, one guy's message I found with google got the message when the date
on his computer was 3 years (!) wrong.

Does the date command give you a reasonable date/time?

Alan
__
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state implementation
for stellar interiors (freeeos.sf.net); PLplot scientific plotting software
package (plplot.org); the libLASi project (unifont.org/lasi); the Loads of
Linux Links project (loll.sf.net); and the Linux Brochure Project
(lbproject.sf.net).
__

Linux-powered Science
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RE: [CMake] question about clock skew detected. Your build may be incomplete

2007-12-07 Thread WangPing

The date /time on my local workstation is correct, probably due to NFS system, 
the work directory is a NFS folder on other server, maybe the date/time on this 
server is incorrect? I can check it later.
 Date: Fri, 7 Dec 2007 18:11:38 -0800 From: [EMAIL PROTECTED] Subject: Re: 
 [CMake] question about clock skew detected. Your build may be incomplete 
 To: [EMAIL PROTECTED] CC: cmake@cmake.org  On 2007-12-08 06:16+0800 
 WangPing wrote:   Dear cmake experts: I am a new user for ITK and cmake. 
 Today I downloaded ITK and cmake and followed the instruction to build ITK, 
 when I finannly run 'make', it always gave many warning message as below: 
 clock skew detected. Your build may be incomplete I do not know if my ITK 
 will have problem. After the ITK is done, I tried to build the 
 HelloWorld.cxx from the ITK instruction, it still gave the clock skew 
 detected. Your build may be incomplete message, but finally the HelloWorld 
 application was produced. When I typied ./HelloWorld, it showed: ITK Hello 
 World! no anything else. Is there anybody could tell me if my itk has 
 problem? How to get rid of the warning message clock skew detected. Your 
 build may be incomplete?  That warning message usually means your 
 date/time is grossly incorrect. For example, one guy's message I found with 
 google got the message when the date on his computer was 3 years (!) wrong. 
  Does the date command give you a reasonable date/time?  Alan 
 __ Alan W. Irwin  Astronomical research 
 affiliation with Department of Physics and Astronomy, University of Victoria 
 (astrowww.phys.uvic.ca).  Programming affiliations with the FreeEOS 
 equation-of-state implementation for stellar interiors (freeeos.sf.net); 
 PLplot scientific plotting software package (plplot.org); the libLASi 
 project (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); 
 and the Linux Brochure Project (lbproject.sf.net). 
 __  Linux-powered Science 
 __
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