Hi Attila,
What is the procedure to get the external packages (specifically ROOT) that ATLAS uses to pull the versions that
is v4 versions of the xrootd client libraries.
Cheers,
Doug
On 02/18/2015 09:29 AM, Attila Krasznahorkay wrote:
> Hi Doug,
>
> Not sure exactly what you mean with "moving" to the v4 client.
>
> I remember that ROOT had to be updated to work correctly against the v4 build. If some changes had to be made to make
> ROOT source compatible between v3 and v4, then I'm fairly sure that releases from these two series are not binary
> compatible with each other.
>
> Since we don't do the ROOT builds ourselves, but take then either from the ROOT webpage, or from the LCG RPMs, we use
> whichever XRootD version they compiled ROOT against. For LCG (and maybe even the ROOT builds put on root.cern.ch) this
> is still v3.
>
> Cheers,
> Attila
>
> -----------------------------------------------------
> Attila Krasznahorkay [log in to unmask]
> CERN PH-ADP-OS Phone: +41-22-76 71180
> The ATLAS Collaboration Room: 40/3-D06
> -----------------------------------------------------
>
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