[MacPorts] #67428: icu @73.1 does not build on PPC Tiger, Mac OS X 10.4.11, because ld: -rpath can only be used when targeting Mac OS X 10.5 or later

[MacPorts]

#67428: icu @73.1 does not build on PPC Tiger, Mac OS X 10.4.11, because ld: -rpath
can only be used when targeting Mac OS X 10.5 or later
------------------------+-----------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.8.1
Resolution:             |   Keywords:  tiger ppc
      Port:  icu        |
------------------------+-----------------------

Comment (by catap):

 Evan, may you also open a PR to ICU upstream to with fix which fixes
 enable/disable rpath?

 From my point of view it should be enabled by default and works without
 patches, and `--disable-rpath` should fix build on 10.4

 Ken?

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Ticket URL: <https://trac.macports.org/ticket/67428#comment:14>
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