[MacPorts] #52797: generate a relocatable xz executable

[MacPorts]

#52797: generate a relocatable xz executable
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  Reporter:  RJVB         |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:  haspatch
      Port:  xz           |
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Changes (by RJVB):

 * Attachment "patch-add-relocatable_xz.diff" added.

 add an xz_r build target (requires running the included autogen.sh)

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Ticket URL: <https://trac.macports.org/ticket/52797>
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