[Bug 1882494] Re: [UBUNTU 20.04] zlib not working on all s390x systems configurations

[Frank Heimes]

** Also affects: ubuntu-z-systems
   Importance: Undecided
       Status: New

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Title:
  [UBUNTU 20.04] zlib not working on all s390x systems configurations

Status in Ubuntu on IBM z Systems:
  New
Status in zlib package in Ubuntu:
  New

Bug description:
  Pull request (https://github.com/madler/zlib/pull/410) and tagged
  https://github.com/iii-i/zlib/tree/dfltcc-20200511.

  The new code contains the following improvements:
  * Added support for switching between software and hardware compression.
  * Added --dfltcc configure flag (the old way of building it still works).

  Switching between software and hardware compression is not simply a
  nice-to-have feature, but is actually required by Java - that's why we
  are requesting an update.

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