[MacPorts] #53144: libmacho @895 fails to build because GCC is not universal variant

[MacPorts]

#53144: libmacho @895 fails to build because GCC is not universal variant
------------------------+------------------------------
  Reporter:  ballapete  |      Owner:  jeremyhu
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:  fixed      |   Keywords:  tiger, universal
      Port:  libmacho   |
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Comment (by ryandesign):

 Replying to [comment:5 jeremyhu]:
 > No, that's a limitation that won't be fixed.
 >
 > You want to set `universal_archs` to `i386 x86_64` when installing
 apple-gcc42.

 This change prevents all ports using apple-gcc42 (which includes most
 ports on Tiger, since it is the default compiler there) from working with
 the default MacPorts configuration of `universal_archs` on Tiger and
 Leopard (i.e. "i386 ppc").

 For example, here is such a failure on the buildbot:
 https://build.macports.org/builders/ports-10.5_ppc_legacy-
 builder/builds/14391

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Ticket URL: <https://trac.macports.org/ticket/53144#comment:8>
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