[MacPorts] #43678: ECW support in gdal

[MacPorts]

#43678: ECW support in gdal
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  Reporter:  jsm@…        |      Owner:  vince@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  gdal         |
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Comment (by vince@…):

 There is no way to fetch the necessary ECW library automatically, because
 it is furnished under a .dmg and not a .tgz or other UNIX archive format.
 Therefore, interaction with the user is mandatory. By default, the library
 is installed at the root under the Intergraph directory, which seems a
 very bad idea (/Intergraph/…). Any other option needs the user to manually
 alter the path during the installation process. If you consider that
 installing under /opt/local is a bad idea, I can easily manage with
 whatever other location.

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Ticket URL: <https://trac.macports.org/ticket/43678#comment:11>
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