[MacPorts] #17856: gwenhywfar-3.5.1 build failure

[MacPorts]

#17856: gwenhywfar-3.5.1 build failure
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 Reporter:  pali@…        |       Owner:  macports-tickets@…                   
     Type:  defect        |      Status:  new                                  
 Priority:  Normal        |   Milestone:  Port Bugs                            
Component:  ports         |     Version:  1.7.0                                
 Keywords:                |        Port:  gwenhywfar                           
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Comment(by jmr@…):

 Those missing symbols come from zlib, which is definitely pulled in by
 gwenhywfar's dependencies. It seems to be omitting -lz from the link
 command. I don't know why, though that `-L/sw/lib` looks rather suspicious
 to me.

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Ticket URL: <http://trac.macports.org/ticket/17856#comment:1>
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