[MacPorts] #33938: MacPorts needs conf file option to disable binary downloads

[MacPorts]

#33938: MacPorts needs conf file option to disable binary downloads
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 Reporter:  howarth@…                 |       Owner:  macports-tickets@…                   
     Type:  defect                    |      Status:  new                                  
 Priority:  Normal                    |   Milestone:                                       
Component:  ports                     |     Version:  2.0.4                                
 Keywords:  compiler                  |        Port:  MacPorts                             
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Comment(by ecronin@…):

 r88725 and r88730 just need to be merged to the release branch.

 Binary packages include the OS version in them, so port would never
 install a package built on SL on Lion.  The brand new Lion buildbot does
 have an outdated XCode though which might be why clang isn't getting used
 by default...

 I'll repeat whoever it is on the mailing list from months ago: so are we
 actually going to document this buildbot thing now that we're silently
 forcing it on pretty much all our users unsuspectingly with the Lion
 buildbot (and evidently you have to be running trunk to disable it)?
 packages.macports.org appears zero times in the wiki and 320 times in trac
 tickets.

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Ticket URL: <https://trac.macports.org/ticket/33938#comment:2>
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