[MacPorts] #22705: pthsem breaks some ports because of pthread.h

[MacPorts]

#22705: pthsem breaks some ports because of pthread.h
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 Reporter:  mail@…            |       Owner:  macports-tickets@…                   
     Type:  defect            |      Status:  new                                  
 Priority:  Normal            |   Milestone:                                       
Component:  ports             |     Version:                                       
 Keywords:                    |        Port:  pthsem                               
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 After installing pthsem, some Ports break, because an pthread.h is
 installed inside /usr/local/include.

 Fixes also #20531

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Ticket URL: <http://trac.macports.org/ticket/22705>
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