[MacPorts] #20559: Ports won't install / self update doesn't work

[MacPorts]

#20559: Ports won't install / self update doesn't work
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 Reporter:  vash_the__typhoon@…            |       Owner:  macports-tickets@…                   
     Type:  defect                         |      Status:  new                                  
 Priority:  Normal                         |   Milestone:                                       
Component:  base                           |     Version:  1.6.0                                
 Keywords:                                 |        Port:                                       
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Comment(by blb@…):

 {{{
 configure:2362: found /usr/bin/gcc
 configure:2373: result: gcc
 configure:2605: checking for C compiler version
 configure:2613: gcc --version >&5
 gcc (GCC) 4.2.3
 }}}
 gcc 4.2.3 is not what /usr/bin/gcc should be (and for that matter,
 /usr/bin/gcc-4.2 is only 4.2.1) so you've modified things in /usr/bin
 which will definitely cause issues.

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Ticket URL: <http://trac.macports.org/ticket/20559#comment:8>
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