Re: source code reference points

From: Matthew D. Langston (langston@SLAC.stanford.edu)
Date: Wed Jul 21 1999 - 23:23:37 MEST


Hi Masaharu,

Masaharu Goto wrote:
> 
> Would you explain specifically about the incompatiblity problems?
> I know this is not the revision management problem, but I'd like to
> know.

The ROOT maintainer for the group at SLAC which is having the
incompatibility problems (which is keeping them at an older version of
ROOT) told me that there are two reasons why they cannot upgrade to a
newer version of ROOT:

  1) Incompatible changes with the Vector classes.
  2) Incompatible changes in the I/O subsystem.

Although only a small part of their code (the Calorimetry subsystem)
depends on the Vector classes, the rest of the collaboration is unable
to upgrade to newer versions of ROOT because of the IO incompatibility.

--
Matthew D. Langston
SLD, Stanford Linear Accelerator Center
langston@SLAC.Stanford.EDU



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