[MacPorts] #62332: Cannot build gcc7 with +universal on Intel Tiger

[MacPorts]

#62332: Cannot build gcc7 with +universal on Intel Tiger
--------------------------+--------------------
  Reporter:  Wowfunhappy  |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  gcc7         |
--------------------------+--------------------

Comment (by kencu):

 The **specific** reason you are seeing the universal_archs being changed
 on you (which was done due to the above) is this block in the Portfile:
 {{{
 platform powerpc {
     configure.universal_archs ppc ppc64
 }
 platform i386 {
     configure.universal_archs i386 x86_64
 }
 }}}

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Ticket URL: <https://trac.macports.org/ticket/62332#comment:3>
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