[MacPorts] #42899: llvm-gcc42 fails to install after installing Xcode 5.1

[MacPorts]

#42899: llvm-gcc42 fails to install after installing Xcode 5.1
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  Reporter:  tcollett+macports@…  |      Owner:  jeremyhu@…
      Type:  defect               |     Status:  new
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.2.1
Resolution:                       |   Keywords:
      Port:  llvm-gcc42           |
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Comment (by ryandesign@…):

 Replying to [comment:7 thorbenj-macports@…]:
 > OR, maybe port invocation is to blame:
 >
 > {{{
 > # port install llvm-gcc42 configure.cflags-append "-Wno-unused-command-
 line-argument-hard-error-in-future"
 > }}}
 >
 > Which is what I understood from:
 https://guide.macports.org/chunked/reference.phases.html#reference.phases.installation

 If that's the command you ran, certainly you should not do that. Just run
 "sudo port install llvm-gcc42". Overriding portfile variables at the
 command line is not supported.

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Ticket URL: <https://trac.macports.org/ticket/42899#comment:9>
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