[MacPorts] #17516: netpbm: parallel build fails

[MacPorts]

#17516: netpbm: parallel build fails
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 Reporter:  ryandesign@…             |       Owner:  mas@…           
     Type:  defect                   |      Status:  new             
 Priority:  Normal                   |   Milestone:  Port Bugs       
Component:  ports                    |     Version:  1.8.0           
 Keywords:                           |        Port:  netpbm          
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Comment(by blb@…):

 This brings up the question, how do people try to verify parallel is
 valid?  The few times I've done so I usually try building the port several
 times, since race conditions are a bitch.  Even then, you may not catch
 the issue, or it could be platform or OS version dependent...

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Ticket URL: <http://trac.macports.org/ticket/17516#comment:2>
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