[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 jeremyhu@…):

 Replying to [comment:52 jeremyhu@…]:
 > Why not just omit win32 from libffi?  Do we actually need it for
 something?

 It looks like it wasn't there in 3.0 and was added for 3.1, so I suspect
 it should be "safe" to just remove it until upstream fixes their game:

 {{{
 commit afee53738a995e23bd2f89fd0f7b30b380566106
 Merge: 7d24785 b2d610e
 Author: Anthony Green <green at moxielogic.com>
 Date:   Tue Mar 25 16:12:35 2014 -0400

     Merge pull request #106 from joshtriplett/darwin-award

     [3.1 blocker] Update OS X build system to include win32.S on 32-bit
 }}}

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Ticket URL: <https://trac.macports.org/ticket/44170#comment:53>
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