[MacPorts] #32890: port fails to parse Portfile (and completely loses that port) if xcrun not available

[MacPorts]

#32890: port fails to parse Portfile (and completely loses that port) if xcrun not
available
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 Reporter:  stephen@…           |       Owner:  jberry@…           
     Type:  defect              |      Status:  new                
 Priority:  Normal              |   Milestone:                     
Component:  base                |     Version:  2.0.99             
 Keywords:                      |        Port:                     
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Comment(by pixilla@…):

 MacPorts trunk r89102, Mac OS X 10.5.8 PPC, Xcode 3.1.2.

 {{{
 $ sudo port configure mmencode
 --->  Configuring mmencode
 Error: Target org.macports.configure returned: can't read
 "configure.compiler": Failed to locate 'xcrun' in path:
 '/opt/local/bin:/opt/local/sbin:/bin:/sbin:/usr/bin:/usr/sbin' or at its
 MacPorts configuration time location, did you move it?

 }}}

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Ticket URL: <https://trac.macports.org/ticket/32890#comment:3>
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