[MacPorts] #33640: py27-readline fails on snow leopard with xcode 4.2

[MacPorts]

#33640: py27-readline fails on snow leopard with xcode 4.2
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 Reporter:  miguel.barao@…          |       Owner:  macports-tickets@…                   
     Type:  defect                  |      Status:  new                                  
 Priority:  Normal                  |   Milestone:                                       
Component:  ports                   |     Version:  2.0.4                                
 Keywords:                          |        Port:  py27-readline                        
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Comment(by ryandesign@…):

 You should definitely remove the symlink you created. llvm-gcc-4.2 is not
 gcc-4.2.

 I imagine the problem is that some of the ports you installed were pulled
 from our pre-built binaries, which are built with Xcode 3, and that some
 of those ports hardcoded the path to the compiler that they used into
 themselves, which is now being used on your system when trying to build
 other ports like py27-readline for which no pre-built binaries are
 available.

 This problem is touched on in wiki:ProblemHotlist#xcode43 though it
 clearly also applies to Xcode 4.2 users on Snow Leopard.

 Rebuilding python27 on your system (ignoring our pre-built binaries)
 should help:

 {{{
 sudo port -ns upgrade --force python27
 }}}

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Ticket URL: <https://trac.macports.org/ticket/33640#comment:1>
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