[MacPorts] #25321: configure.env variables truncated between pre-configure and configure stages

[MacPorts]

#25321: configure.env variables truncated between pre-configure and configure
stages
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 Reporter:  michaelld@…             |       Owner:  macports-tickets@…                   
     Type:  defect                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  base                    |     Version:  1.9.0                                
 Keywords:                          |        Port:                                       
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 See ticket #25320 comment 3 and 4.  This truncation might also occur
 between other pre- and regular stages; I haven't checked for those.

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Ticket URL: <http://trac.macports.org/ticket/25321>
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