[MacPorts] #33540: pstree: ld: can't write output file: pstree for architecture x86_64

[MacPorts]

#33540: pstree: ld: can't write output file: pstree for architecture x86_64
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 Reporter:  macports@…                |       Owner:  mww@…           
     Type:  defect                    |      Status:  new             
 Priority:  Normal                    |   Milestone:                  
Component:  ports                     |     Version:  2.0.4           
 Keywords:                            |        Port:  pstree          
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Comment(by ryandesign@…):

 You did not mention what version of Xcode you have, but assuming it's 4.3
 or later, ensure you also install the command line tools.

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Ticket URL: <https://trac.macports.org/ticket/33540#comment:4>
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