[MacPorts] #61170: libffi @3.3_1 fails to build on 10.5 i386

[MacPorts]

#61170: libffi @3.3_1 fails to build on 10.5 i386
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  Reporter:  fhgwright  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.3
Resolution:             |   Keywords:
      Port:  libffi     |
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Comment (by fhgwright):

 Since that's just trading one problem for another, maybe it's the wrong
 rabbit hole to be going down.

 I'm attaching logfiles from three "neighboring" success cases - 10.4 i386,
 10.5 ppc, 10.5 x86_64.  I think you already have 10.6.

 On the whole PIC/PIE thing:

 AIUI, fully position-independent code, as needed in shared libraries or
 code to be statically linked into shared libraries, needs -fPIC, which is
 stronger than -fPIE.  For code only intended for executables, including
 statically linking into executables, -fPIE is sufficient, and serves
 entirely just to support ASLR.  I think it tracks this to determine
 whether ASLR is usable on a given executable.  OSX added ASLR support in
 10.5, so -fPIE is pointless for 10.4.  It's not clear in all this mess
 whether -fPIC is present, which would be needed for shared libraries.

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Ticket URL: <https://trac.macports.org/ticket/61170#comment:13>
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