[MacPorts] #29763: *_select framework does not apply to Perl: fix provided

[MacPorts]

#29763: *_select framework does not apply to Perl: fix provided
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 Reporter:  mywolfson@…          |       Owner:  ricci@…                                        
     Type:  enhancement          |      Status:  new                                            
 Priority:  Normal               |   Milestone:                                                 
Component:  ports                |     Version:                                                 
 Keywords:                       |        Port:  perl5, perl5.12, perl5.8, perl5.10, perl_select
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Comment(by mywolfson@…):

 I use a program-output-prettifier called [https://github.com/myw/cope
 Cope], which installs wrapper scripts around standard binaries in its own
 location, and puts that location at the front of the path. Cope uses the
 default Perl binary, so when the MacPorts perl is selected, everything
 crashes, because it can't find the libraries. So I can't do {{{ls}}}, I
 have to specify {{{/bin/ls}}}, etc. This can be a pain.

 But in general, I think it's just best if MacPorts-based things are the
 only things that use the MacPorts Perl: everything outside the MacPorts
 world should use the true MacOS X Perl. And that's the larger problem I
 was trying to get at with the {{{perl_select}}} stuff.

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Ticket URL: <https://trac.macports.org/ticket/29763#comment:7>
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