[MacPorts] #44541: hdf5 @1.6.9_4: retire this port

[MacPorts]

#44541: hdf5 @1.6.9_4: retire this port
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 Reporter:  petr@…  |      Owner:  macports-tickets@…
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  hdf5 hdf5-18
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 I am wondering if we cannot / should not retire the `hdf5` port, or
 updating to 1.8 and get rid of `hdf5-18`, directly.

 HDF5 1.6 is not fully API compatible with, however 1.8 provides API
 compatibility as well, and most software now should be 1.8 compatible. All
 depending ports seem to depend on hdf5-18, so from this point of view it
 is not need. HDF5 1.6.9 was released in May 2009, the last 1.6.x release
 is 1.6.10, but the port was never updated. So the port is already quite
 aged and not maintained.

 Maybe the port could be marked as `replaced_by hdf5-18` and `hdf5-18`
 would eventually be renamed to simply `hdf5`.

 Or we might want to do this directly, so hdf5 would be just an update and
 hdf5-18 would be replaced by hdf5, plus changing all dependencies?

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Ticket URL: <https://trac.macports.org/ticket/44541>
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