[MacPorts] #44170: libffi @3.1 fails to build on 32-bit systems

[MacPorts]

#44170: libffi @3.1 fails to build on 32-bit systems
----------------------------+--------------------------
  Reporter:  opr_systems@…  |      Owner:  ryandesign@…
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.3.1
Resolution:                 |   Keywords:  LP32
      Port:  libffi         |
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Comment (by piet@…):

 I got it upgraded with

 {{{
 sudo port clean libffi
 sudo port upgrade libffi configure.compiler=macports-clang-3.3
 }}}

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Ticket URL: <https://trac.macports.org/ticket/44170#comment:12>
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