[ntp:questions] New Version of NTP Installer for Windows from Meinberg

Danny Mayer mayer at ntp.org
Wed Jun 3 11:37:51 UTC 2009


David J Taylor wrote:
> Dave Hart wrote:
>> David J Taylor:
>>> Does this new release include the improved interpolation developed
>>> by Dave Hart, and the Windows Vista/7 optimisations?
>> No, those are only in 4.2.5p162 and later.  See
>> http://bugs.ntp.org/216 Very soon a release candidate cycle for 4.2.6
>> should start, so it shouldn't be terribly long before a -stable NTP
>> release includes the new Windows interpolation code.  4.2.4p7 does
>> have substantial improvements vs 4.2.4p6 in the Windows serial code
>> used by, for example, the NMEA reference clock driver.  However,
>> lacking the 216 fix, it's not really a good choice for any upstream
>> server duty, though it's great as a client assuming better than 1
>> millisecond accuracy is unimportant.
> 
> Thanks, Dave.  Looking forward to 4.2.6!
> 
>>> You may know that I discovered a problem with Windows 2000 afer bug
>>> fix 1149. Is the Windows 2000 fix 1191 included?
>> Yes it is.  Heiko also identified and fixed in the Meinberg release a
>> problem building current NTP (-stable and -dev) using the now-ancient
>> Visual C++ 6 compiler.  Anyone attempting to build from source using
>> VC6 should see http://bugs.ntp.org/1196 for the solution.  I would
>> appreciate contact from anyone building NTP using VC6, as I believe
>> only Meinberg and possibly Danny Mayer are still using it with NTP.  I
>> hope to see support for VC6 dropped before too much longer, as it
>> requires some ugliness in the code to work around half-implemented 64-
>> bit scalar support.
>>
>> Cheers,
>> Dave Hart
> 
> That's good to hear.
> 
> If it were possible to keep Visual Studio 2005 support that would be 
> "nice", as it might allow me to try building NTP here once again.  Not 
> eseential, though.

I use VS 2005 for most of the work but I make sure that we can still
support VC 6.0. I'm not sure what Dave means by half-implemented 64-bit
scalar support, so maybe he can elaborate.

Danny


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