[MacPorts] #25794: m4: uses libsigsegv though no dependency declared (was: php5: autoconf213 requires GNU m4 1.1 or later)

[MacPorts]

#25794: m4: uses libsigsegv though no dependency declared
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 Reporter:  jorge.monforte@…          |       Owner:  ryandesign@…           
     Type:  defect                    |      Status:  assigned               
 Priority:  Normal                    |   Milestone:                         
Component:  ports                     |     Version:  1.9.1                  
 Keywords:                            |        Port:  m4                     
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Changes (by ryandesign@…):

  * status:  new => assigned
 * cc: jwa@… (removed)
 * cc: blair@… (added)
  * port:  php5 => m4


Comment:

 Aha! m4 is opportunistically using libsigsegv. You probably happened to
 have libsigsegv library version 0 installed at the time you first built
 m4, and by now libsigsegv has been updated to library version 2 so m4 now
 fails to run. We must fix the m4 portfile so it does not attempt to use
 libsigsegv anymore. Looks like we already fixed this problem once before
 (see r42166) but the method used there apparently doesn't work anymore, so
 we must fix it again.

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Ticket URL: <http://trac.macports.org/ticket/25794#comment:11>
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