[MacPorts] #27747: readline-5: let to install libreadline.dylib (allow linking from GPLv2 programs)

[MacPorts]

#27747: readline-5: let to install libreadline.dylib (allow linking from GPLv2
programs)
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  Reporter:  kimuraw@…             |       Owner:  macports-tickets@…                   
      Type:  enhancement           |      Status:  closed                               
  Priority:  Normal                |   Milestone:                                       
 Component:  ports                 |     Version:  1.9.2                                
Resolution:  fixed                 |    Keywords:                                       
      Port:  readline-5            |  
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Comment(by ryandesign@…):

 Shall we delete readline-4, then? It was added in r8080, over 6 years ago,
 "for ports requiring it"; if none do, it has outlived its purpose. It also
 claims "It provides [...] the
 dynamic libraries"; since it does not in fact provide the dynamic
 libraries, that's not useful either. We should either fix readline-4 or
 delete it.

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Ticket URL: <https://trac.macports.org/ticket/27747#comment:7>
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