[MacPorts] #35140: enblend: build error with boost 1.50

[MacPorts]

#35140: enblend: build error with boost 1.50
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  Reporter:  icaines77@…          |       Owner:  hvdwolf@…        
      Type:  defect               |      Status:  reopened         
  Priority:  Normal               |   Milestone:                   
 Component:  ports                |     Version:                   
Resolution:                       |    Keywords:  haspatch         
      Port:  enblend              |  
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Comment(by hvdwolf@…):

 Replying to [comment:20 raphael@…]:
 > Replying to [comment:18 ryandesign@…]:

 > I found out that {{{configure}}} does not check for pthread support and
 therefore does not try to link with the multi-threaded boost libraries.
 The attached patch for {{{configure.in}}} fixes it for me. Maintainer, may
 I commit it?

 Yes, please do apply the patch. If you want to become the maintainer of
 macports enblend please say so. I fully agree with that and I would love
 it if someone would take over

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Ticket URL: <https://trac.macports.org/ticket/35140#comment:21>
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