[MacPorts] #56068: proj @5.0.0 has many problems: reinsert the previous version 4.9.3

[MacPorts]

#56068: proj @5.0.0 has many problems: reinsert the previous version 4.9.3
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  Reporter:  news24lor  |      Owner:
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.2
Resolution:             |   Keywords:
      Port:  proj       |
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Comment (by news24lor):

 Hi[[BR]]

 It has a bug in version 5.0. It is written on different mailing-
 lists:[[BR]]

 https://lists.osgeo.org/pipermail/qgis-developer/2018-March/052501.htm
 [[BR]]

 The problem is that in QGIS, compiled with PROJ 5.0.0, it is not possible
 to re-project two maps with different coordinates: one is shifted. Of
 course it makes QGIS unusable.
 If the same QGIS is compiled with PROJ 4.9.3, the very stable and reliable
 old version, everything works perfectly. I managed to do this in MacPorts
 by keeping the old 4.9.3 and recompile and everything works well.[[BR]]
 The developer talks about a fix in April with version 5.0.1 but PROJ 5 is
 really very new and has changed deeply. For some time to be able to use
 QGIS and QGIS3, but GRASS too is preferable to use version 4.9.3, then in
 a while, when these very limiting bugs are fixed, everything will move to
 version 5.x.[[BR]]
 Or as you say you offer proj49 activated instead of proj50 to compile QGIS
 and other software.

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Ticket URL: <https://trac.macports.org/ticket/56068#comment:2>
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