[MacPorts] #34789: p5.12-module-build @0.400.0 fails to upgrade because modules provided by perl5.12 are too old

[MacPorts]

#34789: p5.12-module-build @0.400.0 fails to upgrade because modules provided by
perl5.12 are too old
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 Reporter:  allbery.b@…          |       Owner:  macports-tickets@…                   
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  2.1.1                                
 Keywords:                       |        Port:  p5.12-module-build                   
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Comment(by allbery.b@…):

 *sigh* I appear to have p5.12-version @0.970.0_0 installed already; wonder
 if it's from a package (hence installed a non-threaded one against a
 +threads perl5.12); although I thought I forced all perl modules to be
 reinstalled after I switched to doing only source builds, that being the
 only way I am aware of to stop packages from installing useless perl
 modules against a non-default perl variant.  If this threads nonsense
 isn't going to be fixed, can it at least be warned about somehow?

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Ticket URL: <https://trac.macports.org/ticket/34789#comment:2>
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