[MacPorts] #64978: boost176 fails on 10.6.8 Rosetta: makecontext/swapcontext do not work

[MacPorts]

#64978: boost176 fails on 10.6.8 Rosetta: makecontext/swapcontext do not work
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  Reporter:  barracuda156  |      Owner:  michaelld
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.2
Resolution:                |   Keywords:  powerpc, snowleopard, rosetta
      Port:  boost176      |
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Comment (by barracuda156):

 Replying to [comment:7 evanmiller]:
 > The PPC assembler code included with the Boost {{{context}}} module has
 a few problems:

 I have found some version of `context` which looks okay:
 https://github.com/twlostow/libcontext
 Trying to build now on Rosetta.

 I am not sure though if broken assembler is the only problem and otherwise
 these libs can be built on 10.5 and 10.6 for ppc/ppc64.

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Ticket URL: <https://trac.macports.org/ticket/64978#comment:9>
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