Re: Discussion about why GNU/Linux system upgrades cause old programs to break

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  > An upgrade can most certainly do that: if A version 1 requires B and C,
  > and A version 2 requires merely B, the upgrade and and subsequent
  > cleanup will remove C.

  > This is only avoided if C was also marked as wanted (or "manually"
  > installed, or added to @world, ... depending on package manager).

I understand what an upgrade is -- but what exactly is a "subsequent
cleanup"?

Does it mean sysadmins, after the upgrade, think about which old
libraries to delete?

Or is it something automatic that happens as part of an upgrade?

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)